diff --git a/bridge-monitor/.env.example b/bridge-monitor/.env.example
new file mode 100644
index 00000000..5645f127
--- /dev/null
+++ b/bridge-monitor/.env.example
@@ -0,0 +1,10 @@
+HOME_RPC_URL=https://sokol.poa.network
+FOREIGN_RPC_URL=https://kovan.infura.io/mew
+HOME_BRIDGE_ADDRESS=0xABb4C1399DcC28FBa3Beb76CAE2b50Be3e087353
+FOREIGN_BRIDGE_ADDRESS=0xE405F6872cE38a7a4Ff63DcF946236D458c2ca3a
+HOME_DEPLOYMENT_BLOCK=0
+FOREIGN_DEPLOYMENT_BLOCK=0
+GAS_PRICE_SPEED_TYPE=standard
+GAS_LIMIT=300000
+GAS_PRICE_FALLBACK=21
+LEFT_TX_THRESHOLD=100
diff --git a/bridge-monitor/.eslintrc b/bridge-monitor/.eslintrc
new file mode 100644
index 00000000..9cde6f18
--- /dev/null
+++ b/bridge-monitor/.eslintrc
@@ -0,0 +1,21 @@
+{
+  "plugins": ["node", "prettier"],
+  "extends": [
+    "plugin:node/recommended",
+    "airbnb-base",
+    "plugin:prettier/recommended"
+  ],
+  "rules": {
+    "prettier/prettier": "error",
+    "arrow-body-style": "off",
+    "no-await-in-loop": "off",
+    "no-console": "off",
+    "no-else-return": "off",
+    "no-plusplus": "off",
+    "no-restricted-syntax": "off",
+    "no-shadow": "off",
+    "prefer-template": "off",
+    "no-use-before-define": "off",
+    "no-underscore-dangle": "off"
+  }
+}
diff --git a/bridge-monitor/.gitignore b/bridge-monitor/.gitignore
new file mode 100644
index 00000000..9214e871
--- /dev/null
+++ b/bridge-monitor/.gitignore
@@ -0,0 +1,7 @@
+.env
+node_modules
+responses/*
+!responses/.gitkeep
+*.err
+*.out
+.idea
diff --git a/bridge-monitor/.prettierrc b/bridge-monitor/.prettierrc
new file mode 100644
index 00000000..75a894a2
--- /dev/null
+++ b/bridge-monitor/.prettierrc
@@ -0,0 +1,5 @@
+{
+  "semi": false,
+  "singleQuote": true,
+  "printWidth": 100
+}
diff --git a/bridge-monitor/LICENSE b/bridge-monitor/LICENSE
new file mode 100644
index 00000000..20d40b6b
--- /dev/null
+++ b/bridge-monitor/LICENSE
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
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+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
\ No newline at end of file
diff --git a/bridge-monitor/README.md b/bridge-monitor/README.md
new file mode 100644
index 00000000..a05ac3f5
--- /dev/null
+++ b/bridge-monitor/README.md
@@ -0,0 +1,155 @@
+# Bridge Monitor
+Deployed version:
+https://bridge-monitoring.poa.net/
+
+This tools allows you to spin up node.js server to monitor for 2 contracts on
+Home and Foreign Eth networks to check for balance difference.
+On Home network it checks for `HOME_BRIDGE_ADDRESS` balance.
+On Foreign network it checks for the `ERC20 token` total supply for the `FOREIGN_BRIDGE_ADDRESS`.
+
+Example of an API 
+
+* `GET /` - check contract balances & tx numbers
+
+```json
+
+{
+    "home": {
+        "balance": "3710077.6896438415780044",
+        "deposits": 481,
+        "withdrawals": 221
+    },
+    "foreign": {
+        "totalSupply": "3710077.6896438415780044",
+        "deposits": 481,
+        "withdrawals": 221
+    },
+    "balanceDiff": 0,
+    "lastChecked": 1529511982,
+    "depositsDiff": 0,
+    "withdrawalDiff": 0
+}
+```
+
+* `GET /validators` - check validators balances
+```json
+{
+    "home": {
+        "validators": {
+            "0x35DC13c72A9C09C8AEEBD0490C7228C43Ccc38Cd": {
+                "balance": "19.994900374",
+                "leftTx": 66649667913333,
+                "gasPrice": 1
+            },
+            "0x5D44BC8642947685F45004c936245B969F9709a6": {
+                "balance": "19.993736069",
+                "leftTx": 66645786896666,
+                "gasPrice": 1
+            },
+            "0x284877074B986A78F01D7Eb1f34B6043b1719002": {
+                "balance": "19.995139875",
+                "leftTx": 66650466250000,
+                "gasPrice": 1
+            }
+        },
+        "requiredSignatures": 2
+    },
+    "foreign": {
+        "validators": {
+            "0x35DC13c72A9C09C8AEEBD0490C7228C43Ccc38Cd": {
+                "balance": "19.084023268196",
+                "leftTx": 28915,
+                "gasPrice": 2.2
+            },
+            "0x5D44BC8642947685F45004c936245B969F9709a6": {
+                "balance": "19.086724777075",
+                "leftTx": 28919,
+                "gasPrice": 2.2
+            },
+            "0x284877074B986A78F01D7Eb1f34B6043b1719002": {
+                "balance": "19.050074813935",
+                "leftTx": 28863,
+                "gasPrice": 2.2
+            }
+        },
+        "requiredSignatures": 2
+    },
+    "requiredSignaturesMatch": true,
+    "validatorsMatch": true,
+    "lastChecked": 1529512164
+}
+```
+
+* `GET /eventsStats` - check unprocessed events
+```json
+{
+    "onlyInHomeDeposits": [],
+    "onlyInForeignDeposits": [],
+    "onlyInHomeWithdrawals": [],
+    "onlyInForeignWithdrawals": [],
+    "lastChecked": 1529512436
+}
+```
+
+* `GET /stuckTransfers` - check stucked transfers that wasnot called by transferAndCall
+```json
+{
+    
+    "stuckTransfers": [
+        {
+            "address": "0x6758B7d441a9739b98552B373703d8d3d14f9e62",
+            "blockNumber": 5964312,
+            "transactionHash": "0x74413ba79509a292d5d0d6edd364b3617c83a57b13d603de9deb6c8e6b6c6daf",
+            ...
+            "returnValues": {
+                "0": "0x8D4bbc1B533aB9e3a743210870b6e3c4c0f7E935",
+                "1": "0xd819E948b14cA6AAD2b7Ffd333cCDf732b129EeD",
+                "2": "10000000000000000000000",
+                "from": "0x8D4bbc1B533aB9e3a743210870b6e3c4c0f7E935",
+                "to": "0xd819E948b14cA6AAD2b7Ffd333cCDf732b129EeD",
+                "value": "10000000000000000000000"
+            },
+            ...
+        }
+    ],
+    "total": 2,
+    "lastChecked": 1535058662
+}
+```
+
+# How to run
+Create .env file (see `.env.example` for parameters reference)
+```bash
+HOME_RPC_URL=https://sokol.poa.network
+FOREIGN_RPC_URL=https://kovan.infura.io/mew
+HOME_BRIDGE_ADDRESS=0xABb4C1399DcC28FBa3Beb76CAE2b50Be3e087353
+FOREIGN_BRIDGE_ADDRESS=0xE405F6872cE38a7a4Ff63DcF946236D458c2ca3a
+GAS_PRICE_SPEED_TYPE=standard
+GAS_LIMIT=300000
+GAS_PRICE_FALLBACK=21
+LEFT_TX_THRESHOLD=100
+```
+
+```bash
+npm i
+# check balances of contracts and validators
+node checkWorker.js
+# check unprocessed events
+node checkWorker2.js
+# check stuck transfers called by transfer, not transferAndCall
+# only applicable for bridge-rust-v1-native-to-erc
+node checkWorker3.js
+# run web interface
+node index.js
+```
+
+To enabled debug logging, set `DEBUG=1` env variable.
+
+You can create cron job to run workers (see `crontab.example` for reference):
+```bash
+#crontab -e
+*/4 * * * * cd $HOME/bridge-monitor; node checkWorker.js >>cronWorker.out 2>>cronWorker.err
+*/5 * * * * cd $HOME/bridge-monitor; node checkWorker2.js >>cronWorker2.out 2>>cronWorker2.err
+```
+
+You can run web interface via [pm2](https://www.npmjs.com/package/pm2) or similar supervisor program.
diff --git a/bridge-monitor/abis/BridgeValidators.abi.json b/bridge-monitor/abis/BridgeValidators.abi.json
new file mode 100644
index 00000000..a37bd3e9
--- /dev/null
+++ b/bridge-monitor/abis/BridgeValidators.abi.json
@@ -0,0 +1,296 @@
+[
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "validatorCount",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeValidatorsInterfacesVersion",
+    "outputs": [
+      {
+        "name": "major",
+        "type": "uint64"
+      },
+      {
+        "name": "minor",
+        "type": "uint64"
+      },
+      {
+        "name": "patch",
+        "type": "uint64"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "isInitialized",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "validatorList",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address[]"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_requiredSignatures",
+        "type": "uint256"
+      }
+    ],
+    "name": "setRequiredSignatures",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredSignatures",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_address",
+        "type": "address"
+      }
+    ],
+    "name": "getNextValidator",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "owner",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "deployedAtBlock",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "F_ADDR",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "newOwner",
+        "type": "address"
+      }
+    ],
+    "name": "transferOwnership",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_validator",
+        "type": "address"
+      }
+    ],
+    "name": "isValidator",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "ValidatorAdded",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "ValidatorRemoved",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "requiredSignatures",
+        "type": "uint256"
+      }
+    ],
+    "name": "RequiredSignaturesChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "previousOwner",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "newOwner",
+        "type": "address"
+      }
+    ],
+    "name": "OwnershipTransferred",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_requiredSignatures",
+        "type": "uint256"
+      },
+      {
+        "name": "_initialValidators",
+        "type": "address[]"
+      },
+      {
+        "name": "_owner",
+        "type": "address"
+      }
+    ],
+    "name": "initialize",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_validator",
+        "type": "address"
+      }
+    ],
+    "name": "addValidator",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_validator",
+        "type": "address"
+      }
+    ],
+    "name": "removeValidator",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/ERC20.abi.json b/bridge-monitor/abis/ERC20.abi.json
new file mode 100644
index 00000000..49cac883
--- /dev/null
+++ b/bridge-monitor/abis/ERC20.abi.json
@@ -0,0 +1,175 @@
+[
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "totalSupply",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "who",
+        "type": "address"
+      }
+    ],
+    "name": "balanceOf",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "transfer",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "owner",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "name": "spender",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "Approval",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "from",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "Transfer",
+    "type": "event"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "owner",
+        "type": "address"
+      },
+      {
+        "name": "spender",
+        "type": "address"
+      }
+    ],
+    "name": "allowance",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "from",
+        "type": "address"
+      },
+      {
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "transferFrom",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "spender",
+        "type": "address"
+      },
+      {
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "approve",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/ERC677.abi.json b/bridge-monitor/abis/ERC677.abi.json
new file mode 100644
index 00000000..df7161d9
--- /dev/null
+++ b/bridge-monitor/abis/ERC677.abi.json
@@ -0,0 +1,229 @@
+[
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "spender",
+        "type": "address"
+      },
+      {
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "approve",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "totalSupply",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "from",
+        "type": "address"
+      },
+      {
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "transferFrom",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "who",
+        "type": "address"
+      }
+    ],
+    "name": "balanceOf",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "transfer",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "owner",
+        "type": "address"
+      },
+      {
+        "name": "spender",
+        "type": "address"
+      }
+    ],
+    "name": "allowance",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "from",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "data",
+        "type": "bytes"
+      }
+    ],
+    "name": "Transfer",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "owner",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "name": "spender",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "Approval",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "from",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "Transfer",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "",
+        "type": "address"
+      },
+      {
+        "name": "",
+        "type": "uint256"
+      },
+      {
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "name": "transferAndCall",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/ERC677BridgeToken.abi.json b/bridge-monitor/abis/ERC677BridgeToken.abi.json
new file mode 100644
index 00000000..8ba51f9e
--- /dev/null
+++ b/bridge-monitor/abis/ERC677BridgeToken.abi.json
@@ -0,0 +1,597 @@
+[
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "mintingFinished",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "name",
+    "outputs": [
+      {
+        "name": "",
+        "type": "string"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_spender",
+        "type": "address"
+      },
+      {
+        "name": "_value",
+        "type": "uint256"
+      }
+    ],
+    "name": "approve",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "totalSupply",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_from",
+        "type": "address"
+      },
+      {
+        "name": "_to",
+        "type": "address"
+      },
+      {
+        "name": "_value",
+        "type": "uint256"
+      }
+    ],
+    "name": "transferFrom",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "decimals",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_to",
+        "type": "address"
+      },
+      {
+        "name": "_amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "mint",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_value",
+        "type": "uint256"
+      }
+    ],
+    "name": "burn",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_spender",
+        "type": "address"
+      },
+      {
+        "name": "_subtractedValue",
+        "type": "uint256"
+      }
+    ],
+    "name": "decreaseApproval",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_owner",
+        "type": "address"
+      }
+    ],
+    "name": "balanceOf",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "owner",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "symbol",
+    "outputs": [
+      {
+        "name": "",
+        "type": "string"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "bridgeContract",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_spender",
+        "type": "address"
+      },
+      {
+        "name": "_addedValue",
+        "type": "uint256"
+      }
+    ],
+    "name": "increaseApproval",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_owner",
+        "type": "address"
+      },
+      {
+        "name": "_spender",
+        "type": "address"
+      }
+    ],
+    "name": "allowance",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_newOwner",
+        "type": "address"
+      }
+    ],
+    "name": "transferOwnership",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "name": "_name",
+        "type": "string"
+      },
+      {
+        "name": "_symbol",
+        "type": "string"
+      },
+      {
+        "name": "_decimals",
+        "type": "uint8"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "constructor"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "from",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "ContractFallbackCallFailed",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "Mint",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [],
+    "name": "MintFinished",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "previousOwner",
+        "type": "address"
+      }
+    ],
+    "name": "OwnershipRenounced",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "previousOwner",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "name": "newOwner",
+        "type": "address"
+      }
+    ],
+    "name": "OwnershipTransferred",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "burner",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "Burn",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "from",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "data",
+        "type": "bytes"
+      }
+    ],
+    "name": "Transfer",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "owner",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "name": "spender",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "Approval",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "from",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "Transfer",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_bridgeContract",
+        "type": "address"
+      }
+    ],
+    "name": "setBridgeContract",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_to",
+        "type": "address"
+      },
+      {
+        "name": "_value",
+        "type": "uint256"
+      },
+      {
+        "name": "_data",
+        "type": "bytes"
+      }
+    ],
+    "name": "transferAndCall",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getTokenInterfacesVersion",
+    "outputs": [
+      {
+        "name": "major",
+        "type": "uint64"
+      },
+      {
+        "name": "minor",
+        "type": "uint64"
+      },
+      {
+        "name": "patch",
+        "type": "uint64"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_to",
+        "type": "address"
+      },
+      {
+        "name": "_value",
+        "type": "uint256"
+      }
+    ],
+    "name": "transfer",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [],
+    "name": "finishMinting",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [],
+    "name": "renounceOwnership",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_token",
+        "type": "address"
+      },
+      {
+        "name": "_to",
+        "type": "address"
+      }
+    ],
+    "name": "claimTokens",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/ForeignBridgeErc677ToErc677.abi.json b/bridge-monitor/abis/ForeignBridgeErc677ToErc677.abi.json
new file mode 100644
index 00000000..43735aec
--- /dev/null
+++ b/bridge-monitor/abis/ForeignBridgeErc677ToErc677.abi.json
@@ -0,0 +1,699 @@
+[
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "erc677token",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_txHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "relayedMessages",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "vs",
+        "type": "uint8[]"
+      },
+      {
+        "name": "rs",
+        "type": "bytes32[]"
+      },
+      {
+        "name": "ss",
+        "type": "bytes32[]"
+      },
+      {
+        "name": "message",
+        "type": "bytes"
+      }
+    ],
+    "name": "executeSignatures",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_day",
+        "type": "uint256"
+      }
+    ],
+    "name": "totalSpentPerDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "isInitialized",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "setExecutionDailyLimit",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getCurrentDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredBlockConfirmations",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeMode",
+    "outputs": [
+      {
+        "name": "_data",
+        "type": "bytes4"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "executionDailyLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_day",
+        "type": "uint256"
+      }
+    ],
+    "name": "totalExecutedPerDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "dailyLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_token",
+        "type": "address"
+      },
+      {
+        "name": "_to",
+        "type": "address"
+      }
+    ],
+    "name": "claimTokens",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "withinExecutionLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "executionMaxPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredSignatures",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "owner",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "validatorContract",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "deployedAtBlock",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeInterfacesVersion",
+    "outputs": [
+      {
+        "name": "major",
+        "type": "uint64"
+      },
+      {
+        "name": "minor",
+        "type": "uint64"
+      },
+      {
+        "name": "patch",
+        "type": "uint64"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMinPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_from",
+        "type": "address"
+      },
+      {
+        "name": "_value",
+        "type": "uint256"
+      },
+      {
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "name": "onTokenTransfer",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_blockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "setRequiredBlockConfirmations",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "setDailyLimit",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "setGasPrice",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMaxPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "upgradeabilityAdmin",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "minPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "withinLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setExecutionMaxPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "newOwner",
+        "type": "address"
+      }
+    ],
+    "name": "transferOwnership",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "maxPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "gasPrice",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "UserRequestForAffirmation",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "RelayedMessage",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "GasPriceChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "requiredBlockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "RequiredBlockConfirmationChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "newLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "DailyLimitChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "newLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "ExecutionDailyLimitChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "previousOwner",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "newOwner",
+        "type": "address"
+      }
+    ],
+    "name": "OwnershipTransferred",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_validatorContract",
+        "type": "address"
+      },
+      {
+        "name": "_erc20token",
+        "type": "address"
+      },
+      {
+        "name": "_requiredBlockConfirmations",
+        "type": "uint256"
+      },
+      {
+        "name": "_gasPrice",
+        "type": "uint256"
+      },
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      },
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      },
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      },
+      {
+        "name": "_homeDailyLimit",
+        "type": "uint256"
+      },
+      {
+        "name": "_homeMaxPerTx",
+        "type": "uint256"
+      },
+      {
+        "name": "_owner",
+        "type": "address"
+      }
+    ],
+    "name": "initialize",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "erc20token",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/ForeignBridgeErcToErc.abi.json b/bridge-monitor/abis/ForeignBridgeErcToErc.abi.json
new file mode 100644
index 00000000..d0679046
--- /dev/null
+++ b/bridge-monitor/abis/ForeignBridgeErcToErc.abi.json
@@ -0,0 +1,448 @@
+[
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_txHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "relayedMessages",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "vs",
+        "type": "uint8[]"
+      },
+      {
+        "name": "rs",
+        "type": "bytes32[]"
+      },
+      {
+        "name": "ss",
+        "type": "bytes32[]"
+      },
+      {
+        "name": "message",
+        "type": "bytes"
+      }
+    ],
+    "name": "executeSignatures",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_day",
+        "type": "uint256"
+      }
+    ],
+    "name": "totalSpentPerDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "isInitialized",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getCurrentDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredBlockConfirmations",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "dailyLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredSignatures",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "validatorContract",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "deployedAtBlock",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeInterfacesVersion",
+    "outputs": [
+      {
+        "name": "major",
+        "type": "uint64"
+      },
+      {
+        "name": "minor",
+        "type": "uint64"
+      },
+      {
+        "name": "patch",
+        "type": "uint64"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMinPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_blockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "setRequiredBlockConfirmations",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "setDailyLimit",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "setGasPrice",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMaxPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "minPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "withinLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "maxPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "gasPrice",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "RelayedMessage",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "GasPriceChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "requiredBlockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "RequiredBlockConfirmationChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "newLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "DailyLimitChanged",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_validatorContract",
+        "type": "address"
+      },
+      {
+        "name": "_erc20token",
+        "type": "address"
+      },
+      {
+        "name": "_requiredBlockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "initialize",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeMode",
+    "outputs": [
+      {
+        "name": "_data",
+        "type": "bytes4"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_token",
+        "type": "address"
+      },
+      {
+        "name": "_to",
+        "type": "address"
+      }
+    ],
+    "name": "claimTokens",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "erc20token",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/ForeignBridgeErcToNative.abi.json b/bridge-monitor/abis/ForeignBridgeErcToNative.abi.json
new file mode 100644
index 00000000..45fc322c
--- /dev/null
+++ b/bridge-monitor/abis/ForeignBridgeErcToNative.abi.json
@@ -0,0 +1,452 @@
+[
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_txHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "relayedMessages",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "vs",
+        "type": "uint8[]"
+      },
+      {
+        "name": "rs",
+        "type": "bytes32[]"
+      },
+      {
+        "name": "ss",
+        "type": "bytes32[]"
+      },
+      {
+        "name": "message",
+        "type": "bytes"
+      }
+    ],
+    "name": "executeSignatures",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_day",
+        "type": "uint256"
+      }
+    ],
+    "name": "totalSpentPerDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "isInitialized",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getCurrentDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredBlockConfirmations",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "dailyLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredSignatures",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "validatorContract",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "deployedAtBlock",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeInterfacesVersion",
+    "outputs": [
+      {
+        "name": "major",
+        "type": "uint64"
+      },
+      {
+        "name": "minor",
+        "type": "uint64"
+      },
+      {
+        "name": "patch",
+        "type": "uint64"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMinPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_blockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "setRequiredBlockConfirmations",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "setDailyLimit",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "setGasPrice",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMaxPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "minPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "withinLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "maxPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "gasPrice",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "RelayedMessage",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "GasPriceChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "requiredBlockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "RequiredBlockConfirmationChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "newLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "DailyLimitChanged",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_validatorContract",
+        "type": "address"
+      },
+      {
+        "name": "_erc20token",
+        "type": "address"
+      },
+      {
+        "name": "_requiredBlockConfirmations",
+        "type": "uint256"
+      },
+      {
+        "name": "_gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "initialize",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeMode",
+    "outputs": [
+      {
+        "name": "_data",
+        "type": "bytes4"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_token",
+        "type": "address"
+      },
+      {
+        "name": "_to",
+        "type": "address"
+      }
+    ],
+    "name": "claimTokens",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "erc20token",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/ForeignBridgeNativeToErc.abi.json b/bridge-monitor/abis/ForeignBridgeNativeToErc.abi.json
new file mode 100644
index 00000000..67e720a1
--- /dev/null
+++ b/bridge-monitor/abis/ForeignBridgeNativeToErc.abi.json
@@ -0,0 +1,526 @@
+[
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "erc677token",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_txHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "relayedMessages",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "vs",
+        "type": "uint8[]"
+      },
+      {
+        "name": "rs",
+        "type": "bytes32[]"
+      },
+      {
+        "name": "ss",
+        "type": "bytes32[]"
+      },
+      {
+        "name": "message",
+        "type": "bytes"
+      }
+    ],
+    "name": "executeSignatures",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_day",
+        "type": "uint256"
+      }
+    ],
+    "name": "totalSpentPerDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "isInitialized",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getCurrentDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredBlockConfirmations",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "dailyLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_token",
+        "type": "address"
+      },
+      {
+        "name": "_to",
+        "type": "address"
+      }
+    ],
+    "name": "claimTokens",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredSignatures",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "validatorContract",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "deployedAtBlock",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeInterfacesVersion",
+    "outputs": [
+      {
+        "name": "major",
+        "type": "uint64"
+      },
+      {
+        "name": "minor",
+        "type": "uint64"
+      },
+      {
+        "name": "patch",
+        "type": "uint64"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMinPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_from",
+        "type": "address"
+      },
+      {
+        "name": "_value",
+        "type": "uint256"
+      },
+      {
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "name": "onTokenTransfer",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_blockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "setRequiredBlockConfirmations",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "setDailyLimit",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "setGasPrice",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMaxPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "minPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "withinLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "maxPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "gasPrice",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "UserRequestForAffirmation",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "RelayedMessage",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "GasPriceChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "requiredBlockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "RequiredBlockConfirmationChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "newLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "DailyLimitChanged",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_validatorContract",
+        "type": "address"
+      },
+      {
+        "name": "_erc677token",
+        "type": "address"
+      },
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      },
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      },
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      },
+      {
+        "name": "_foreignGasPrice",
+        "type": "uint256"
+      },
+      {
+        "name": "_requiredBlockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "initialize",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeMode",
+    "outputs": [
+      {
+        "name": "_data",
+        "type": "bytes4"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_token",
+        "type": "address"
+      },
+      {
+        "name": "_to",
+        "type": "address"
+      }
+    ],
+    "name": "claimTokensFromErc677",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/HomeBridgeErcToErc.abi.json b/bridge-monitor/abis/HomeBridgeErcToErc.abi.json
new file mode 100644
index 00000000..6f39d5be
--- /dev/null
+++ b/bridge-monitor/abis/HomeBridgeErcToErc.abi.json
@@ -0,0 +1,715 @@
+[
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_message",
+        "type": "bytes32"
+      }
+    ],
+    "name": "numMessagesSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_hash",
+        "type": "bytes32"
+      },
+      {
+        "name": "_index",
+        "type": "uint256"
+      }
+    ],
+    "name": "signature",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "erc677token",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_day",
+        "type": "uint256"
+      }
+    ],
+    "name": "totalSpentPerDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "isInitialized",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getCurrentDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredBlockConfirmations",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredMessageLength",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_hash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "message",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "signature",
+        "type": "bytes"
+      },
+      {
+        "name": "message",
+        "type": "bytes"
+      }
+    ],
+    "name": "submitSignature",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "dailyLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_token",
+        "type": "address"
+      },
+      {
+        "name": "_to",
+        "type": "address"
+      }
+    ],
+    "name": "claimTokens",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_withdrawal",
+        "type": "bytes32"
+      }
+    ],
+    "name": "numAffirmationsSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_withdrawal",
+        "type": "bytes32"
+      }
+    ],
+    "name": "affirmationsSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredSignatures",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_message",
+        "type": "bytes32"
+      }
+    ],
+    "name": "messagesSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "validatorContract",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "executeAffirmation",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "deployedAtBlock",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeInterfacesVersion",
+    "outputs": [
+      {
+        "name": "major",
+        "type": "uint64"
+      },
+      {
+        "name": "minor",
+        "type": "uint64"
+      },
+      {
+        "name": "patch",
+        "type": "uint64"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMinPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_from",
+        "type": "address"
+      },
+      {
+        "name": "_value",
+        "type": "uint256"
+      },
+      {
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "name": "onTokenTransfer",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_blockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "setRequiredBlockConfirmations",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "setDailyLimit",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "setGasPrice",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMaxPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "minPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "withinLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "maxPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "gasPrice",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_number",
+        "type": "uint256"
+      }
+    ],
+    "name": "isAlreadyProcessed",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "fallback"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "UserRequestForSignature",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "AffirmationCompleted",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "signer",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "messageHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "SignedForUserRequest",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "signer",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "SignedForAffirmation",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "authorityResponsibleForRelay",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "messageHash",
+        "type": "bytes32"
+      },
+      {
+        "indexed": false,
+        "name": "NumberOfCollectedSignatures",
+        "type": "uint256"
+      }
+    ],
+    "name": "CollectedSignatures",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "GasPriceChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "requiredBlockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "RequiredBlockConfirmationChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "newLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "DailyLimitChanged",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_validatorContract",
+        "type": "address"
+      },
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      },
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      },
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      },
+      {
+        "name": "_homeGasPrice",
+        "type": "uint256"
+      },
+      {
+        "name": "_requiredBlockConfirmations",
+        "type": "uint256"
+      },
+      {
+        "name": "_erc677token",
+        "type": "address"
+      }
+    ],
+    "name": "initialize",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeMode",
+    "outputs": [
+      {
+        "name": "_data",
+        "type": "bytes4"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/HomeBridgeErcToNative.abi.json b/bridge-monitor/abis/HomeBridgeErcToNative.abi.json
new file mode 100644
index 00000000..53eefd44
--- /dev/null
+++ b/bridge-monitor/abis/HomeBridgeErcToNative.abi.json
@@ -0,0 +1,716 @@
+[
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_message",
+        "type": "bytes32"
+      }
+    ],
+    "name": "numMessagesSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_hash",
+        "type": "bytes32"
+      },
+      {
+        "name": "_index",
+        "type": "uint256"
+      }
+    ],
+    "name": "signature",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_day",
+        "type": "uint256"
+      }
+    ],
+    "name": "totalSpentPerDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "isInitialized",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getCurrentDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredBlockConfirmations",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredMessageLength",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_hash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "message",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "signature",
+        "type": "bytes"
+      },
+      {
+        "name": "message",
+        "type": "bytes"
+      }
+    ],
+    "name": "submitSignature",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "dailyLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_token",
+        "type": "address"
+      },
+      {
+        "name": "_to",
+        "type": "address"
+      }
+    ],
+    "name": "claimTokens",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_withdrawal",
+        "type": "bytes32"
+      }
+    ],
+    "name": "numAffirmationsSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_withdrawal",
+        "type": "bytes32"
+      }
+    ],
+    "name": "affirmationsSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredSignatures",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_message",
+        "type": "bytes32"
+      }
+    ],
+    "name": "messagesSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "validatorContract",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "executeAffirmation",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "deployedAtBlock",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeInterfacesVersion",
+    "outputs": [
+      {
+        "name": "major",
+        "type": "uint64"
+      },
+      {
+        "name": "minor",
+        "type": "uint64"
+      },
+      {
+        "name": "patch",
+        "type": "uint64"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMinPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_blockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "setRequiredBlockConfirmations",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "setDailyLimit",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "setGasPrice",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMaxPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "minPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "withinLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "maxPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "gasPrice",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_number",
+        "type": "uint256"
+      }
+    ],
+    "name": "isAlreadyProcessed",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "payable": true,
+    "stateMutability": "payable",
+    "type": "fallback"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "UserRequestForSignature",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "AffirmationCompleted",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "signer",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "messageHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "SignedForUserRequest",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "signer",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "SignedForAffirmation",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "authorityResponsibleForRelay",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "messageHash",
+        "type": "bytes32"
+      },
+      {
+        "indexed": false,
+        "name": "NumberOfCollectedSignatures",
+        "type": "uint256"
+      }
+    ],
+    "name": "CollectedSignatures",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "GasPriceChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "requiredBlockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "RequiredBlockConfirmationChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "newLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "DailyLimitChanged",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_validatorContract",
+        "type": "address"
+      },
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      },
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      },
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      },
+      {
+        "name": "_homeGasPrice",
+        "type": "uint256"
+      },
+      {
+        "name": "_requiredBlockConfirmations",
+        "type": "uint256"
+      },
+      {
+        "name": "_blockReward",
+        "type": "address"
+      }
+    ],
+    "name": "initialize",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeMode",
+    "outputs": [
+      {
+        "name": "_data",
+        "type": "bytes4"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "blockRewardContract",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "totalBurntCoins",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_blockReward",
+        "type": "address"
+      }
+    ],
+    "name": "setBlockRewardContract",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/HomeBridgeNativeToErc.abi.json b/bridge-monitor/abis/HomeBridgeNativeToErc.abi.json
new file mode 100644
index 00000000..0e7006b2
--- /dev/null
+++ b/bridge-monitor/abis/HomeBridgeNativeToErc.abi.json
@@ -0,0 +1,670 @@
+[
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_message",
+        "type": "bytes32"
+      }
+    ],
+    "name": "numMessagesSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_hash",
+        "type": "bytes32"
+      },
+      {
+        "name": "_index",
+        "type": "uint256"
+      }
+    ],
+    "name": "signature",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_day",
+        "type": "uint256"
+      }
+    ],
+    "name": "totalSpentPerDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "isInitialized",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getCurrentDay",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredBlockConfirmations",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredMessageLength",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_hash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "message",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "signature",
+        "type": "bytes"
+      },
+      {
+        "name": "message",
+        "type": "bytes"
+      }
+    ],
+    "name": "submitSignature",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "dailyLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_token",
+        "type": "address"
+      },
+      {
+        "name": "_to",
+        "type": "address"
+      }
+    ],
+    "name": "claimTokens",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_withdrawal",
+        "type": "bytes32"
+      }
+    ],
+    "name": "numAffirmationsSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_withdrawal",
+        "type": "bytes32"
+      }
+    ],
+    "name": "affirmationsSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredSignatures",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_message",
+        "type": "bytes32"
+      }
+    ],
+    "name": "messagesSigned",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "validatorContract",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "executeAffirmation",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "deployedAtBlock",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeInterfacesVersion",
+    "outputs": [
+      {
+        "name": "major",
+        "type": "uint64"
+      },
+      {
+        "name": "minor",
+        "type": "uint64"
+      },
+      {
+        "name": "patch",
+        "type": "uint64"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMinPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_blockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "setRequiredBlockConfirmations",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "setDailyLimit",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "setGasPrice",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      }
+    ],
+    "name": "setMaxPerTx",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "minPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "withinLimit",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "maxPerTx",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "gasPrice",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_number",
+        "type": "uint256"
+      }
+    ],
+    "name": "isAlreadyProcessed",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "payable": true,
+    "stateMutability": "payable",
+    "type": "fallback"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "UserRequestForSignature",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "value",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "AffirmationCompleted",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "signer",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "messageHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "SignedForUserRequest",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "signer",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "transactionHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "SignedForAffirmation",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "authorityResponsibleForRelay",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "messageHash",
+        "type": "bytes32"
+      },
+      {
+        "indexed": false,
+        "name": "NumberOfCollectedSignatures",
+        "type": "uint256"
+      }
+    ],
+    "name": "CollectedSignatures",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "gasPrice",
+        "type": "uint256"
+      }
+    ],
+    "name": "GasPriceChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "requiredBlockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "RequiredBlockConfirmationChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "newLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "DailyLimitChanged",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_validatorContract",
+        "type": "address"
+      },
+      {
+        "name": "_dailyLimit",
+        "type": "uint256"
+      },
+      {
+        "name": "_maxPerTx",
+        "type": "uint256"
+      },
+      {
+        "name": "_minPerTx",
+        "type": "uint256"
+      },
+      {
+        "name": "_homeGasPrice",
+        "type": "uint256"
+      },
+      {
+        "name": "_requiredBlockConfirmations",
+        "type": "uint256"
+      }
+    ],
+    "name": "initialize",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeMode",
+    "outputs": [
+      {
+        "name": "_data",
+        "type": "bytes4"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/IBlockReward.abi.json b/bridge-monitor/abis/IBlockReward.abi.json
new file mode 100644
index 00000000..aecd62ee
--- /dev/null
+++ b/bridge-monitor/abis/IBlockReward.abi.json
@@ -0,0 +1,34 @@
+[
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_amount",
+        "type": "uint256"
+      },
+      {
+        "name": "_receiver",
+        "type": "address"
+      }
+    ],
+    "name": "addExtraReceiver",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "mintedTotally",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/abis/RewardableValidators.abi.json b/bridge-monitor/abis/RewardableValidators.abi.json
new file mode 100644
index 00000000..f437c17e
--- /dev/null
+++ b/bridge-monitor/abis/RewardableValidators.abi.json
@@ -0,0 +1,328 @@
+[
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "validatorCount",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBridgeValidatorsInterfacesVersion",
+    "outputs": [
+      {
+        "name": "major",
+        "type": "uint64"
+      },
+      {
+        "name": "minor",
+        "type": "uint64"
+      },
+      {
+        "name": "patch",
+        "type": "uint64"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "isInitialized",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_requiredSignatures",
+        "type": "uint256"
+      }
+    ],
+    "name": "setRequiredSignatures",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "requiredSignatures",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_address",
+        "type": "address"
+      }
+    ],
+    "name": "getNextValidator",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "owner",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "deployedAtBlock",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "F_ADDR",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "newOwner",
+        "type": "address"
+      }
+    ],
+    "name": "transferOwnership",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_validator",
+        "type": "address"
+      }
+    ],
+    "name": "isValidator",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "validator",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "reward",
+        "type": "address"
+      }
+    ],
+    "name": "ValidatorAdded",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "ValidatorRemoved",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "requiredSignatures",
+        "type": "uint256"
+      }
+    ],
+    "name": "RequiredSignaturesChanged",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "previousOwner",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "newOwner",
+        "type": "address"
+      }
+    ],
+    "name": "OwnershipTransferred",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_requiredSignatures",
+        "type": "uint256"
+      },
+      {
+        "name": "_initialValidators",
+        "type": "address[]"
+      },
+      {
+        "name": "_initialRewards",
+        "type": "address[]"
+      },
+      {
+        "name": "_owner",
+        "type": "address"
+      }
+    ],
+    "name": "initialize",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_validator",
+        "type": "address"
+      },
+      {
+        "name": "_reward",
+        "type": "address"
+      }
+    ],
+    "name": "addValidator",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_validator",
+        "type": "address"
+      }
+    ],
+    "name": "removeValidator",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "validatorList",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address[]"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_validator",
+        "type": "address"
+      }
+    ],
+    "name": "getValidatorRewardAddress",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  }
+]
diff --git a/bridge-monitor/alerts.js b/bridge-monitor/alerts.js
new file mode 100644
index 00000000..013a317a
--- /dev/null
+++ b/bridge-monitor/alerts.js
@@ -0,0 +1,204 @@
+require('dotenv').config()
+const Web3 = require('web3')
+const logger = require('./logger')('alerts')
+const eventsInfo = require('./utils/events')
+const { getBlockNumber } = require('./utils/contract')
+
+const { HOME_RPC_URL, FOREIGN_RPC_URL } = process.env
+
+const homeProvider = new Web3.providers.HttpProvider(HOME_RPC_URL)
+const web3Home = new Web3(homeProvider)
+
+const foreignProvider = new Web3.providers.HttpProvider(FOREIGN_RPC_URL)
+const web3Foreign = new Web3(foreignProvider)
+
+async function main() {
+  try {
+    const {
+      foreignDeposits,
+      homeDeposits,
+      homeWithdrawals,
+      foreignWithdrawals
+    } = await eventsInfo()
+
+    const xSignatures = foreignDeposits.filter(findDifferences(homeDeposits))
+    const xAffirmations = homeWithdrawals.filter(findDifferences(foreignWithdrawals))
+
+    logger.debug('building misbehavior blocks')
+    const [homeBlockNumber, foreignBlockNumber] = await getBlockNumber(web3Home, web3Foreign)
+
+    const baseRange = [false, false, false, false, false]
+    const xSignaturesMisbehavior = buildRangesObject(
+      xSignatures.map(findMisbehaviorRange(foreignBlockNumber)).reduce(mergeRanges, baseRange)
+    )
+    const xAffirmationsMisbehavior = buildRangesObject(
+      xAffirmations.map(findMisbehaviorRange(homeBlockNumber)).reduce(mergeRanges, baseRange)
+    )
+
+    logger.debug('extracting most recent transactionHash')
+    const { transactionHash: xSignaturesMostRecentTxHash = '' } =
+      xSignatures.sort(sortEvents).reverse()[0] || {}
+    const { transactionHash: xAffirmationsMostRecentTxHash = '' } =
+      xAffirmations.sort(sortEvents).reverse()[0] || {}
+
+    logger.debug('building transaction objects')
+    const foreignValidators = await Promise.all(
+      xSignatures.map(event => findTxSender(web3Foreign)(event))
+    )
+    const homeValidators = await Promise.all(
+      xAffirmations.map(event => findTxSender(web3Home)(event))
+    )
+
+    const xSignaturesTxs = xSignatures
+      .map(normalizeEventInformation)
+      .reduce(buildTxList(foreignValidators), {})
+    const xAffirmationsTxs = xAffirmations
+      .map(normalizeEventInformation)
+      .reduce(buildTxList(homeValidators), {})
+
+    logger.debug('Done')
+
+    return {
+      executeSignatures: {
+        misbehavior: xSignaturesMisbehavior,
+        mostRecentTxHash: xSignaturesMostRecentTxHash,
+        transactions: xSignaturesTxs
+      },
+      executeAffirmations: {
+        misbehavior: xAffirmationsMisbehavior,
+        mostRecentTxHash: xAffirmationsMostRecentTxHash,
+        transactions: xAffirmationsTxs
+      },
+      lastChecked: Math.floor(Date.now() / 1000)
+    }
+  } catch (e) {
+    logger.error(e)
+    throw e
+  }
+}
+
+/**
+ * Finds the location for the blockNumber in a specific range starting from currentBlockNumber
+ * @param {BN} currentBlockNumber
+ * @returns {function({blockNumber?: *}): boolean[]}
+ */
+const findMisbehaviorRange = currentBlockNumber => ({ blockNumber }) => {
+  const minus60 = currentBlockNumber.sub(Web3.utils.toBN(60))
+  const minus180 = currentBlockNumber.sub(Web3.utils.toBN(180))
+  const minus720 = currentBlockNumber.sub(Web3.utils.toBN(720))
+  const minus17280 = currentBlockNumber.sub(Web3.utils.toBN(17280))
+
+  return [
+    minus60.lte(blockNumber),
+    minus180.lte(blockNumber) && minus60.gt(blockNumber),
+    minus720.lte(blockNumber) && minus180.gt(blockNumber),
+    minus17280.lte(blockNumber) && minus720.gt(blockNumber),
+    minus17280.gt(blockNumber)
+  ]
+}
+
+/**
+ * Merges range arrays into one single array
+ * @param {Array} acc
+ * @param {Array} range
+ * @returns {Array}
+ */
+const mergeRanges = (acc, range) => acc.map((item, index) => item || range[index])
+
+/**
+ * Converts an array of boolean into the object representation of the ranges
+ * @param {Array} range
+ * @returns {{
+ *  last60blocks: *,
+ *  last60to180blocks: *,
+ *  last180to720blocks: *,
+ *  last720to17280blocks: *,
+ *  last17280blocks: *
+ * }}
+ */
+const buildRangesObject = range => ({
+  last60blocks: range[0],
+  last60to180blocks: range[1],
+  last180to720blocks: range[2],
+  last720to17280blocks: range[3],
+  before17280blocks: range[4]
+})
+
+/**
+ * Sorts events by blockNumber from oldest to newest
+ * @param {Object} prev
+ * @param {Object} next
+ * @returns {number}
+ */
+const sortEvents = ({ blockNumber: prev }, { blockNumber: next }) => prev - next
+
+/**
+ * Retrieves the transaction object and returns the 'from' key from it using the provided web3 instance
+ * @param {Object} web3
+ * @returns {function({transactionHash?: *}): Transaction.from}
+ */
+const findTxSender = web3 => async ({ transactionHash }) => {
+  const { from } = await web3.eth.getTransaction(transactionHash)
+  return from
+}
+
+/**
+ * Builds a list of transactions information using the txHash as key
+ * _validatorsList_ is a correlative list of validators addresses for each event processed
+ * @param {Array} validatorsList
+ * @returns {{acc[event.txHash]: {
+ *  value: string,
+ *  block: number,
+ *  referenceTx: string,
+ *  recipient: string,
+ *  validator: string
+ * }}}
+ */
+const buildTxList = validatorsList => (acc, event, index) => {
+  acc[event.txHash] = {
+    value: event.value,
+    block: event.blockNumber,
+    referenceTx: event.referenceTx,
+    recipient: event.recipient,
+    validator: validatorsList[index]
+  }
+  return acc
+}
+
+/**
+ * Finds a missing destDeposit in src list if there's any
+ * @param {Array} src
+ * @returns {function(*=): boolean}
+ */
+const findDifferences = src => dest => {
+  const b = normalizeEventInformation(dest)
+
+  return (
+    src
+      .map(normalizeEventInformation)
+      .filter(
+        a => a.referenceTx === b.referenceTx && a.recipient === b.recipient && a.value === b.value
+      ).length === 0
+  )
+}
+
+/**
+ * Normalizes the different event objects to facilitate data processing
+ * @param {Object} event
+ * @returns {{
+ *  txHash: string,
+ *  blockNumber: number,
+ *  referenceTx: string,
+ *  recipient: string | *,
+ *  value: *
+ * }}
+ */
+const normalizeEventInformation = event => ({
+  txHash: event.transactionHash,
+  blockNumber: event.blockNumber,
+  referenceTx: event.returnValues.transactionHash || event.transactionHash,
+  recipient: event.returnValues.recipient || event.returnValues.from,
+  value: event.returnValues.value
+})
+
+module.exports = main
diff --git a/bridge-monitor/checkWorker.js b/bridge-monitor/checkWorker.js
new file mode 100644
index 00000000..4a71b6b1
--- /dev/null
+++ b/bridge-monitor/checkWorker.js
@@ -0,0 +1,49 @@
+const fs = require('fs')
+const path = require('path')
+const Web3 = require('web3')
+const logger = require('./logger')('checkWorker')
+const { decodeBridgeMode } = require('./utils/bridgeMode')
+const getBalances = require('./getBalances')
+const getShortEventStats = require('./getShortEventStats')
+const validators = require('./validators')
+
+const { HOME_BRIDGE_ADDRESS, HOME_RPC_URL } = process.env
+const homeProvider = new Web3.providers.HttpProvider(HOME_RPC_URL)
+const web3Home = new Web3(homeProvider)
+
+const HOME_ERC_TO_ERC_ABI = require('./abis/HomeBridgeErcToErc.abi')
+
+async function checkWorker() {
+  try {
+    const homeBridge = new web3Home.eth.Contract(HOME_ERC_TO_ERC_ABI, HOME_BRIDGE_ADDRESS)
+    const bridgeModeHash = await homeBridge.methods.getBridgeMode().call()
+    const bridgeMode = decodeBridgeMode(bridgeModeHash)
+    logger.debug('Bridge mode:', bridgeMode)
+    logger.debug('calling getBalances()')
+    const balances = await getBalances(bridgeMode)
+    logger.debug('calling getShortEventStats()')
+    const events = await getShortEventStats(bridgeMode)
+    const home = Object.assign({}, balances.home, events.home)
+    const foreign = Object.assign({}, balances.foreign, events.foreign)
+    const status = Object.assign({}, balances, events, { home }, { foreign })
+    if (!status) throw new Error('status is empty: ' + JSON.stringify(status))
+    fs.writeFileSync(
+      path.join(__dirname, '/responses/getBalances.json'),
+      JSON.stringify(status, null, 4)
+    )
+
+    logger.debug('calling validators()')
+    const vBalances = await validators(bridgeMode)
+    if (!vBalances) throw new Error('vBalances is empty: ' + JSON.stringify(vBalances))
+    fs.writeFileSync(
+      path.join(__dirname, '/responses/validators.json'),
+      JSON.stringify(vBalances, null, 4)
+    )
+    logger.debug('Done')
+    return status
+  } catch (e) {
+    logger.error(e)
+    throw e
+  }
+}
+checkWorker()
diff --git a/bridge-monitor/checkWorker2.js b/bridge-monitor/checkWorker2.js
new file mode 100644
index 00000000..eaf16a35
--- /dev/null
+++ b/bridge-monitor/checkWorker2.js
@@ -0,0 +1,30 @@
+const fs = require('fs')
+const path = require('path')
+const logger = require('./logger')('checkWorker2')
+const eventsStats = require('./eventsStats')
+const alerts = require('./alerts')
+
+async function checkWorker2() {
+  try {
+    logger.debug('calling eventsStats()')
+    const evStats = await eventsStats()
+    if (!evStats) throw new Error('evStats is empty: ' + JSON.stringify(evStats))
+    fs.writeFileSync(
+      path.join(__dirname, '/responses/eventsStats.json'),
+      JSON.stringify(evStats, null, 4)
+    )
+    logger.debug('calling alerts()')
+    const _alerts = await alerts()
+    if (!_alerts) throw new Error('alerts is empty: ' + JSON.stringify(_alerts))
+    fs.writeFileSync(
+      path.join(__dirname, '/responses/alerts.json'),
+      JSON.stringify(_alerts, null, 4)
+    )
+    logger.debug('Done x2')
+    return evStats
+  } catch (e) {
+    logger.error('checkWorker2.js', e)
+    throw e
+  }
+}
+checkWorker2()
diff --git a/bridge-monitor/checkWorker3.js b/bridge-monitor/checkWorker3.js
new file mode 100644
index 00000000..4b003351
--- /dev/null
+++ b/bridge-monitor/checkWorker3.js
@@ -0,0 +1,23 @@
+const fs = require('fs')
+const path = require('path')
+const logger = require('./logger')('checkWorker3')
+const stuckTransfers = require('./stuckTransfers')
+
+async function checkWorker3() {
+  try {
+    logger.debug('calling stuckTransfers()')
+    const transfers = await stuckTransfers()
+    // console.log(transfers)
+    if (!transfers) throw new Error('transfers is empty: ' + JSON.stringify(transfers))
+    fs.writeFileSync(
+      path.join(__dirname, '/responses/stuckTransfers.json'),
+      JSON.stringify(transfers, null, 4)
+    )
+    logger.debug('Done')
+    return transfers
+  } catch (e) {
+    logger.error('checkWorker3.js', e)
+    throw e
+  }
+}
+checkWorker3()
diff --git a/bridge-monitor/crontab.example b/bridge-monitor/crontab.example
new file mode 100644
index 00000000..0fa1787d
--- /dev/null
+++ b/bridge-monitor/crontab.example
@@ -0,0 +1,2 @@
+*/4 * * * * cd $HOME/bridge-monitor; node checkWorker.js >>cronWorker.out 2>>cronWorker.err
+*/5 * * * * cd $HOME/bridge-monitor; node checkWorker2.js >>cronWorker2.out 2>>cronWorker2.err
diff --git a/bridge-monitor/eventsStats.js b/bridge-monitor/eventsStats.js
new file mode 100644
index 00000000..4b936830
--- /dev/null
+++ b/bridge-monitor/eventsStats.js
@@ -0,0 +1,95 @@
+require('dotenv').config()
+const logger = require('./logger')('eventsStats')
+const eventsInfo = require('./utils/events')
+
+function compareDepositsHome(foreign) {
+  return homeDeposit => {
+    return (
+      foreign.filter(foreignDeposit => {
+        return (
+          foreignDeposit.returnValues.transactionHash === homeDeposit.transactionHash &&
+          foreignDeposit.returnValues.recipient === homeDeposit.returnValues.recipient &&
+          foreignDeposit.returnValues.value === homeDeposit.returnValues.value
+        )
+      }).length === 0
+    )
+  }
+}
+function compareDepositsForeign(home) {
+  return foreignDeposit => {
+    return (
+      home.filter(homeDeposit => {
+        return (
+          homeDeposit.transactionHash === foreignDeposit.returnValues.transactionHash &&
+          homeDeposit.returnValues.recipient === foreignDeposit.returnValues.recipient &&
+          homeDeposit.returnValues.value === foreignDeposit.returnValues.value
+        )
+      }).length === 0
+    )
+  }
+}
+
+function compareTransferHome(foreign) {
+  return homeDeposit => {
+    return (
+      foreign.filter(foreignDeposit => {
+        return (
+          homeDeposit.returnValues.transactionHash === foreignDeposit.transactionHash &&
+          homeDeposit.returnValues.recipient === foreignDeposit.returnValues.from &&
+          homeDeposit.returnValues.value === foreignDeposit.returnValues.value
+        )
+      }).length === 0
+    )
+  }
+}
+function compareTransferForeign(home) {
+  return foreignDeposit => {
+    return (
+      home.filter(homeDeposit => {
+        return (
+          foreignDeposit.transactionHash === homeDeposit.returnValues.transactionHash &&
+          foreignDeposit.returnValues.from === homeDeposit.returnValues.recipient &&
+          foreignDeposit.returnValues.value === homeDeposit.returnValues.value
+        )
+      }).length === 0
+    )
+  }
+}
+
+async function main() {
+  try {
+    const {
+      foreignDeposits,
+      homeDeposits,
+      homeWithdrawals,
+      foreignWithdrawals,
+      isExternalErc20
+    } = await eventsInfo()
+
+    const onlyInHomeDeposits = homeDeposits.filter(compareDepositsHome(foreignDeposits))
+    const onlyInForeignDeposits = foreignDeposits
+      .concat([])
+      .filter(compareDepositsForeign(homeDeposits))
+
+    const onlyInHomeWithdrawals = isExternalErc20
+      ? homeWithdrawals.filter(compareTransferHome(foreignWithdrawals))
+      : homeWithdrawals.filter(compareDepositsForeign(foreignWithdrawals))
+    const onlyInForeignWithdrawals = isExternalErc20
+      ? foreignWithdrawals.filter(compareTransferForeign(homeWithdrawals))
+      : foreignWithdrawals.filter(compareDepositsHome(homeWithdrawals))
+
+    logger.debug('Done')
+    return {
+      onlyInHomeDeposits,
+      onlyInForeignDeposits,
+      onlyInHomeWithdrawals,
+      onlyInForeignWithdrawals,
+      lastChecked: Math.floor(Date.now() / 1000)
+    }
+  } catch (e) {
+    logger.error(e)
+    throw e
+  }
+}
+
+module.exports = main
diff --git a/bridge-monitor/getBalances.js b/bridge-monitor/getBalances.js
new file mode 100644
index 00000000..32241ba3
--- /dev/null
+++ b/bridge-monitor/getBalances.js
@@ -0,0 +1,131 @@
+require('dotenv').config()
+const BN = require('bignumber.js')
+const Web3 = require('web3')
+const logger = require('./logger')('getBalances')
+const { BRIDGE_MODES } = require('./utils/bridgeMode')
+
+const Web3Utils = Web3.utils
+
+const { HOME_RPC_URL, FOREIGN_RPC_URL, HOME_BRIDGE_ADDRESS, FOREIGN_BRIDGE_ADDRESS } = process.env
+
+const homeProvider = new Web3.providers.HttpProvider(HOME_RPC_URL)
+const web3Home = new Web3(homeProvider)
+
+const foreignProvider = new Web3.providers.HttpProvider(FOREIGN_RPC_URL)
+const web3Foreign = new Web3(foreignProvider)
+
+const ERC20_ABI = require('./abis/ERC20.abi')
+const ERC677_ABI = require('./abis/ERC677.abi')
+const HOME_ERC_TO_ERC_ABI = require('./abis/HomeBridgeErcToErc.abi')
+const HOME_ERC_TO_NATIVE_ABI = require('./abis/HomeBridgeErcToNative.abi')
+const BLOCK_REWARD_ABI = require('./abis/IBlockReward.abi')
+const FOREIGN_ERC_TO_ERC_ABI = require('./abis/ForeignBridgeErcToErc.abi')
+const FOREIGN_ERC_TO_NATIVE_ABI = require('./abis/ForeignBridgeErcToNative.abi')
+const FOREIGN_NATIVE_TO_ERC_ABI = require('./abis/ForeignBridgeNativeToErc.abi')
+
+async function main(bridgeMode) {
+  try {
+    if (bridgeMode === BRIDGE_MODES.ERC_TO_ERC) {
+      const foreignBridge = new web3Foreign.eth.Contract(
+        FOREIGN_ERC_TO_ERC_ABI,
+        FOREIGN_BRIDGE_ADDRESS
+      )
+      const erc20Address = await foreignBridge.methods.erc20token().call()
+      const erc20Contract = new web3Foreign.eth.Contract(ERC20_ABI, erc20Address)
+      logger.debug('calling erc20Contract.methods.balanceOf')
+      const foreignErc20Balance = await erc20Contract.methods
+        .balanceOf(FOREIGN_BRIDGE_ADDRESS)
+        .call()
+      const homeBridge = new web3Home.eth.Contract(HOME_ERC_TO_ERC_ABI, HOME_BRIDGE_ADDRESS)
+      logger.debug('calling homeBridge.methods.erc677token')
+      const tokenAddress = await homeBridge.methods.erc677token().call()
+      const tokenContract = new web3Home.eth.Contract(ERC677_ABI, tokenAddress)
+      logger.debug('calling tokenContract.methods.totalSupply()')
+      const totalSupply = await tokenContract.methods.totalSupply().call()
+      const foreignBalanceBN = new BN(foreignErc20Balance)
+      const foreignTotalSupplyBN = new BN(totalSupply)
+      const diff = foreignBalanceBN.minus(foreignTotalSupplyBN).toString(10)
+      logger.debug('Done')
+      return {
+        home: {
+          totalSupply: Web3Utils.fromWei(totalSupply)
+        },
+        foreign: {
+          erc20Balance: Web3Utils.fromWei(foreignErc20Balance)
+        },
+        balanceDiff: Number(Web3Utils.fromWei(diff)),
+        lastChecked: Math.floor(Date.now() / 1000)
+      }
+    } else if (bridgeMode === BRIDGE_MODES.NATIVE_TO_ERC) {
+      logger.debug('calling web3Home.eth.getBalance')
+      const foreignBridge = new web3Foreign.eth.Contract(
+        FOREIGN_NATIVE_TO_ERC_ABI,
+        FOREIGN_BRIDGE_ADDRESS
+      )
+      const erc20Address = await foreignBridge.methods.erc677token().call()
+      const homeBalance = await web3Home.eth.getBalance(HOME_BRIDGE_ADDRESS)
+      const tokenContract = new web3Foreign.eth.Contract(ERC20_ABI, erc20Address)
+      logger.debug('calling tokenContract.methods.totalSupply()')
+      const totalSupply = await tokenContract.methods.totalSupply().call()
+      const homeBalanceBN = new BN(homeBalance)
+      const foreignTotalSupplyBN = new BN(totalSupply)
+      const diff = homeBalanceBN.minus(foreignTotalSupplyBN).toString(10)
+      logger.debug('Done')
+      return {
+        home: {
+          balance: Web3Utils.fromWei(homeBalance)
+        },
+        foreign: {
+          totalSupply: Web3Utils.fromWei(totalSupply)
+        },
+        balanceDiff: Number(Web3Utils.fromWei(diff)),
+        lastChecked: Math.floor(Date.now() / 1000)
+      }
+    } else if (bridgeMode === BRIDGE_MODES.ERC_TO_NATIVE) {
+      const foreignBridge = new web3Foreign.eth.Contract(
+        FOREIGN_ERC_TO_NATIVE_ABI,
+        FOREIGN_BRIDGE_ADDRESS
+      )
+      const erc20Address = await foreignBridge.methods.erc20token().call()
+      const erc20Contract = new web3Foreign.eth.Contract(ERC20_ABI, erc20Address)
+      logger.debug('calling erc20Contract.methods.balanceOf')
+      const foreignErc20Balance = await erc20Contract.methods
+        .balanceOf(FOREIGN_BRIDGE_ADDRESS)
+        .call()
+
+      const homeBridge = new web3Home.eth.Contract(HOME_ERC_TO_NATIVE_ABI, HOME_BRIDGE_ADDRESS)
+      logger.debug('calling homeBridge.methods.blockRewardContract')
+      const blockRewardAddress = await homeBridge.methods.blockRewardContract().call()
+      const blockRewardContract = new web3Home.eth.Contract(BLOCK_REWARD_ABI, blockRewardAddress)
+      logger.debug('calling blockReward.methods.mintedTotally')
+      const mintedCoins = await blockRewardContract.methods.mintedTotally().call()
+      logger.debug('calling homeBridge.methods.totalBurntCoins')
+      const burntCoins = await homeBridge.methods.totalBurntCoins().call()
+
+      const mintedCoinsBN = new BN(mintedCoins)
+      const burntCoinsBN = new BN(burntCoins)
+      const totalSupplyBN = mintedCoinsBN.minus(burntCoinsBN)
+      const foreignErc20BalanceBN = new BN(foreignErc20Balance)
+
+      const diff = foreignErc20BalanceBN.minus(totalSupplyBN).toFixed()
+      logger.debug('Done')
+      return {
+        home: {
+          totalSupply: Web3Utils.fromWei(totalSupplyBN.toFixed())
+        },
+        foreign: {
+          erc20Balance: Web3Utils.fromWei(foreignErc20Balance)
+        },
+        balanceDiff: Number(Web3Utils.fromWei(diff)),
+        lastChecked: Math.floor(Date.now() / 1000)
+      }
+    } else {
+      throw new Error(`Unrecognized bridge mode: '${bridgeMode}'`)
+    }
+  } catch (e) {
+    logger.error(e)
+    throw e
+  }
+}
+
+module.exports = main
diff --git a/bridge-monitor/getShortEventStats.js b/bridge-monitor/getShortEventStats.js
new file mode 100644
index 00000000..fac0edf1
--- /dev/null
+++ b/bridge-monitor/getShortEventStats.js
@@ -0,0 +1,97 @@
+require('dotenv').config()
+const Web3 = require('web3')
+const { toBN } = require('web3').utils
+const logger = require('./logger')('getShortEventStats.js')
+const { getBridgeABIs, BRIDGE_MODES, ERC_TYPES } = require('./utils/bridgeMode')
+
+const { HOME_RPC_URL, FOREIGN_RPC_URL, HOME_BRIDGE_ADDRESS, FOREIGN_BRIDGE_ADDRESS } = process.env
+const HOME_DEPLOYMENT_BLOCK = toBN(Number(process.env.HOME_DEPLOYMENT_BLOCK) || 0)
+const FOREIGN_DEPLOYMENT_BLOCK = toBN(Number(process.env.FOREIGN_DEPLOYMENT_BLOCK) || 0)
+
+const homeProvider = new Web3.providers.HttpProvider(HOME_RPC_URL)
+const web3Home = new Web3(homeProvider)
+
+const foreignProvider = new Web3.providers.HttpProvider(FOREIGN_RPC_URL)
+const web3Foreign = new Web3(foreignProvider)
+
+const ERC20_ABI = require('./abis/ERC20.abi')
+const { getTokenType } = require('./utils/ercUtils')
+const { getPastEvents, getBlockNumber } = require('./utils/contract')
+
+async function main(bridgeMode) {
+  try {
+    const { HOME_ABI, FOREIGN_ABI } = getBridgeABIs(bridgeMode)
+    const homeBridge = new web3Home.eth.Contract(HOME_ABI, HOME_BRIDGE_ADDRESS)
+    const foreignBridge = new web3Foreign.eth.Contract(FOREIGN_ABI, FOREIGN_BRIDGE_ADDRESS)
+    const erc20MethodName = bridgeMode === BRIDGE_MODES.NATIVE_TO_ERC ? 'erc677token' : 'erc20token'
+    const erc20Address = await foreignBridge.methods[erc20MethodName]().call()
+    const erc20Contract = new web3Foreign.eth.Contract(ERC20_ABI, erc20Address)
+    const tokenType = await getTokenType(foreignBridge, FOREIGN_BRIDGE_ADDRESS)
+
+    logger.debug('getting last block numbers')
+    const [homeBlockNumber, foreignBlockNumber] = await getBlockNumber(web3Home, web3Foreign)
+    logger.debug("calling homeBridge.getPastEvents('UserRequestForSignature')")
+    const homeDeposits = await getPastEvents({
+      contract: homeBridge,
+      event: 'UserRequestForSignature',
+      fromBlock: HOME_DEPLOYMENT_BLOCK,
+      toBlock: homeBlockNumber,
+      options: {}
+    })
+
+    logger.debug("calling foreignBridge.getPastEvents('RelayedMessage')")
+    const foreignDeposits = await getPastEvents({
+      contract: foreignBridge,
+      event: 'RelayedMessage',
+      fromBlock: FOREIGN_DEPLOYMENT_BLOCK,
+      toBlock: foreignBlockNumber,
+      options: {}
+    })
+
+    logger.debug("calling homeBridge.getPastEvents('AffirmationCompleted')")
+    const homeWithdrawals = await getPastEvents({
+      contract: homeBridge,
+      event: 'AffirmationCompleted',
+      fromBlock: HOME_DEPLOYMENT_BLOCK,
+      toBlock: homeBlockNumber,
+      options: {}
+    })
+
+    logger.debug("calling foreignBridge.getPastEvents('UserRequestForAffirmation')")
+    const foreignWithdrawals =
+      tokenType === ERC_TYPES.ERC20
+        ? await getPastEvents({
+            contract: erc20Contract,
+            event: 'Transfer',
+            fromBlock: FOREIGN_DEPLOYMENT_BLOCK,
+            toBlock: foreignBlockNumber,
+            options: {
+              filter: { to: FOREIGN_BRIDGE_ADDRESS }
+            }
+          })
+        : await getPastEvents({
+            contract: foreignBridge,
+            event: 'UserRequestForAffirmation',
+            fromBlock: FOREIGN_DEPLOYMENT_BLOCK,
+            toBlock: foreignBlockNumber,
+            options: {}
+          })
+    logger.debug('Done')
+    return {
+      depositsDiff: homeDeposits.length - foreignDeposits.length,
+      withdrawalDiff: homeWithdrawals.length - foreignWithdrawals.length,
+      home: {
+        deposits: homeDeposits.length,
+        withdrawals: homeWithdrawals.length
+      },
+      foreign: {
+        deposits: foreignDeposits.length,
+        withdrawals: foreignWithdrawals.length
+      }
+    }
+  } catch (e) {
+    logger.error(e)
+    throw e
+  }
+}
+module.exports = main
diff --git a/bridge-monitor/index.js b/bridge-monitor/index.js
new file mode 100644
index 00000000..45db3c60
--- /dev/null
+++ b/bridge-monitor/index.js
@@ -0,0 +1,103 @@
+require('dotenv').config()
+const express = require('express')
+const fs = require('fs')
+
+const app = express()
+
+const LEFT_TX_THRESHOLD = Number(process.env.LEFT_TX_THRESHOLD) || 100
+console.log('LEFT_TX_THRESHOLD = ' + LEFT_TX_THRESHOLD)
+
+async function readFile(path) {
+  try {
+    const content = await fs.readFileSync(path)
+    const json = JSON.parse(content)
+    const timeDiff = Math.floor(Date.now() / 1000) - json.lastChecked
+    return Object.assign({}, json, { timeDiff })
+  } catch (e) {
+    console.error(e)
+    return {
+      error: 'please check your worker'
+    }
+  }
+}
+
+app.get('/', async (req, res, next) => {
+  try {
+    const results = await readFile('./responses/getBalances.json')
+    res.json(results)
+  } catch (e) {
+    // this will eventually be handled by your error handling middleware
+    next(e)
+  }
+})
+
+app.get('/validators', async (req, res, next) => {
+  try {
+    const results = await readFile('./responses/validators.json')
+    results.homeOk = true
+    results.foreignOk = true
+    for (const hv in results.home.validators) {
+      if (results.home.validators[hv].leftTx < LEFT_TX_THRESHOLD) {
+        results.homeOk = false
+        break
+      }
+    }
+    for (const hv in results.foreign.validators) {
+      if (results.foreign.validators[hv].leftTx < LEFT_TX_THRESHOLD) {
+        results.foreignOk = false
+        break
+      }
+    }
+    results.ok = results.homeOk && results.foreignOk
+    res.json(results)
+  } catch (e) {
+    // this will eventually be handled by your error handling middleware
+    next(e)
+  }
+})
+
+// responses/eventsStats.json
+app.get('/eventsStats', async (req, res, next) => {
+  try {
+    const results = await readFile('./responses/eventsStats.json')
+    results.ok =
+      results.onlyInHomeDeposits.length === 0 &&
+      results.onlyInForeignDeposits.length === 0 &&
+      results.onlyInHomeWithdrawals.length === 0 &&
+      results.onlyInForeignWithdrawals.length === 0
+    res.json(results)
+  } catch (e) {
+    // this will eventually be handled by your error handling middleware
+    next(e)
+  }
+})
+
+app.get('/alerts', async (req, res, next) => {
+  try {
+    const results = await readFile('./responses/alerts.json')
+    results.ok =
+      !results.executeAffirmations.mostRecentTxHash && !results.executeSignatures.mostRecentTxHash
+    res.json(results)
+  } catch (e) {
+    next(e)
+  }
+})
+
+// responses/stuckTransfers.json
+// Only applicable for bridge-rust-v1-native-to-erc
+/*
+app.get('/stuckTransfers', async (req, res, next) => {
+  try {
+    const results = await readFile('./responses/stuckTransfers.json')
+    results.ok = results.total.length === 0
+    res.json(results)
+  } catch (e) {
+    // this will eventually be handled by your error handling middleware
+    next(e)
+  }
+})
+*/
+
+const port = process.env.PORT || 3000
+app.set('port', port)
+app.listen(port, () => console.log('Monitoring app listening on port 3000!'))
diff --git a/bridge-monitor/logger.js b/bridge-monitor/logger.js
new file mode 100644
index 00000000..0b74a979
--- /dev/null
+++ b/bridge-monitor/logger.js
@@ -0,0 +1,34 @@
+module.exports = function logger(name) {
+  let lastlog = 0
+
+  function log(...args) {
+    const now = new Date()
+    console.log(
+      now.toISOString(),
+      `(+${lastlog ? now.getTime() - lastlog : 0}ms)`,
+      `[${name}]`,
+      ...args
+    )
+    lastlog = now.getTime()
+  }
+
+  function error(...args) {
+    const now = new Date()
+    console.error(now.toISOString(), `[${name}]`, ...args)
+  }
+
+  let dbg
+  if (process.env.DEBUG) {
+    dbg = (...args) => {
+      log(...args)
+    }
+  } else {
+    dbg = () => {}
+  }
+
+  return {
+    log,
+    error,
+    debug: dbg
+  }
+}
diff --git a/bridge-monitor/package-lock.json b/bridge-monitor/package-lock.json
new file mode 100644
index 00000000..cbc5727c
--- /dev/null
+++ b/bridge-monitor/package-lock.json
@@ -0,0 +1,3809 @@
+{
+  "name": "bridge-monitoring",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.0.0",
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+      "dev": true,
+      "requires": {
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+      }
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+        "websocket": "git://github.com/frozeman/WebSocket-Node.git#7004c39c42ac98875ab61126e5b4a925430f592c"
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+    },
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+        "web3-core-subscriptions": "1.0.0-beta.34",
+        "web3-net": "1.0.0-beta.34"
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+        "randomhex": "0.1.5",
+        "underscore": "1.8.3",
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+          "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
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+      "from": "websocket@git://github.com/frozeman/WebSocket-Node.git#7004c39c42ac98875ab61126e5b4a925430f592c",
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+        "debug": "^2.2.0",
+        "nan": "^2.3.3",
+        "typedarray-to-buffer": "^3.1.2",
+        "yaeti": "^0.0.6"
+      }
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+        "safe-buffer": "~5.1.0",
+        "ultron": "~1.1.0"
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+        "global": "~4.3.0",
+        "is-function": "^1.0.1",
+        "parse-headers": "^2.0.0",
+        "xtend": "^4.0.0"
+      }
+    },
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+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/xhr-request/-/xhr-request-1.1.0.tgz",
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+      "requires": {
+        "buffer-to-arraybuffer": "^0.0.5",
+        "object-assign": "^4.1.1",
+        "query-string": "^5.0.1",
+        "simple-get": "^2.7.0",
+        "timed-out": "^4.0.1",
+        "url-set-query": "^1.0.0",
+        "xhr": "^2.0.4"
+      }
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+    "xhr-request-promise": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
+      "integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
+      "requires": {
+        "xhr-request": "^1.0.1"
+      }
+    },
+    "xhr2": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/xhr2/-/xhr2-0.1.4.tgz",
+      "integrity": "sha1-f4dliEdxbbUCYyOBL4GMras4el8="
+    },
+    "xtend": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+    },
+    "yaeti": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+      "integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
+    },
+    "yauzl": {
+      "version": "2.9.1",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.9.1.tgz",
+      "integrity": "sha1-qBmB6nCleUYTOIPwKcWCGok1mn8=",
+      "requires": {
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.0.1"
+      }
+    }
+  }
+}
diff --git a/bridge-monitor/package.json b/bridge-monitor/package.json
new file mode 100644
index 00000000..f822d5b3
--- /dev/null
+++ b/bridge-monitor/package.json
@@ -0,0 +1,32 @@
+{
+  "name": "bridge-monitoring",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js",
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "bignumber.js": "^6.0.0",
+    "dotenv": "^5.0.1",
+    "express": "^4.16.3",
+    "node-fetch": "^2.1.2",
+    "web3": "1.0.0-beta.34"
+  },
+  "engines": {
+    "node": ">=8.9"
+  },
+  "devDependencies": {
+    "eslint": "^5.6.0",
+    "eslint-config-airbnb": "^17.1.0",
+    "eslint-config-prettier": "^3.1.0",
+    "eslint-plugin-import": "^2.14.0",
+    "eslint-plugin-node": "^7.0.1",
+    "eslint-plugin-prettier": "^2.6.2",
+    "prettier": "^1.14.3"
+  }
+}
diff --git a/bridge-monitor/responses/.gitkeep b/bridge-monitor/responses/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/bridge-monitor/stuckTransfers.js b/bridge-monitor/stuckTransfers.js
new file mode 100644
index 00000000..15033fe9
--- /dev/null
+++ b/bridge-monitor/stuckTransfers.js
@@ -0,0 +1,109 @@
+require('dotenv').config()
+const Web3 = require('web3')
+const logger = require('./logger')('stuckTransfers.js')
+
+const { FOREIGN_RPC_URL, FOREIGN_BRIDGE_ADDRESS, ERC20_ADDRESS } = process.env
+const FOREIGN_DEPLOYMENT_BLOCK = Number(process.env.FOREIGN_DEPLOYMENT_BLOCK) || 0
+
+const foreignProvider = new Web3.providers.HttpProvider(FOREIGN_RPC_URL)
+const web3Foreign = new Web3(foreignProvider)
+
+const ABITransferWithoutData = [
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        name: 'from',
+        type: 'address'
+      },
+      {
+        indexed: true,
+        name: 'to',
+        type: 'address'
+      },
+      {
+        indexed: false,
+        name: 'value',
+        type: 'uint256'
+      }
+    ],
+    name: 'Transfer',
+    type: 'event'
+  }
+]
+
+const ABIWithData = [
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        name: 'from',
+        type: 'address'
+      },
+      {
+        indexed: true,
+        name: 'to',
+        type: 'address'
+      },
+      {
+        indexed: false,
+        name: 'value',
+        type: 'uint256'
+      },
+      {
+        indexed: false,
+        name: 'data',
+        type: 'bytes'
+      }
+    ],
+    name: 'Transfer',
+    type: 'event'
+  }
+]
+
+function compareTransfers(transfersNormal) {
+  return withData => {
+    return (
+      transfersNormal.filter(normal => {
+        return normal.transactionHash === withData.transactionHash
+      }).length === 0
+    )
+  }
+}
+
+async function main() {
+  try {
+    // TODO: ERC20_ADDRESS is no longer an env constant. It has to be extracted from the ForeignBridge Contract.
+    const tokenContract = new web3Foreign.eth.Contract(ABITransferWithoutData, ERC20_ADDRESS)
+    const tokenContractWithData = new web3Foreign.eth.Contract(ABIWithData, ERC20_ADDRESS)
+    logger.debug('calling tokenContract.getPastEvents Transfer')
+    const transfersNormal = await tokenContract.getPastEvents('Transfer', {
+      filter: {
+        to: FOREIGN_BRIDGE_ADDRESS
+      },
+      fromBlock: FOREIGN_DEPLOYMENT_BLOCK,
+      toBlock: 'latest'
+    })
+    logger.debug('calling tokenContractWithData.getPastEvents Transfer')
+    const transfersWithData = await tokenContractWithData.getPastEvents('Transfer', {
+      filter: {
+        to: FOREIGN_BRIDGE_ADDRESS
+      },
+      fromBlock: FOREIGN_DEPLOYMENT_BLOCK,
+      toBlock: 'latest'
+    })
+    const stuckTransfers = transfersNormal.filter(compareTransfers(transfersWithData))
+    logger.debug('Done')
+    return {
+      stuckTransfers,
+      total: stuckTransfers.length,
+      lastChecked: Math.floor(Date.now() / 1000)
+    }
+  } catch (e) {
+    logger.error(e)
+    throw e
+  }
+}
+module.exports = main
diff --git a/bridge-monitor/test-srv.js b/bridge-monitor/test-srv.js
new file mode 100644
index 00000000..5d543792
--- /dev/null
+++ b/bridge-monitor/test-srv.js
@@ -0,0 +1,13 @@
+const express = require('express')
+
+const app = express()
+
+app.all('/', (req, res) => {
+  setTimeout(() => {
+    res.status(504)
+    res.end()
+  }, 2000)
+})
+
+const PORT = process.env.PORT || 4000
+app.listen(PORT, () => console.log('Listening on port ' + PORT))
diff --git a/bridge-monitor/utils/bridgeMode.js b/bridge-monitor/utils/bridgeMode.js
new file mode 100644
index 00000000..02536d23
--- /dev/null
+++ b/bridge-monitor/utils/bridgeMode.js
@@ -0,0 +1,56 @@
+const HOME_NATIVE_TO_ERC_ABI = require('../abis/HomeBridgeNativeToErc.abi')
+const FOREIGN_NATIVE_TO_ERC_ABI = require('../abis/ForeignBridgeNativeToErc.abi')
+const HOME_ERC_TO_ERC_ABI = require('../abis/HomeBridgeErcToErc.abi')
+const FOREIGN_ERC_TO_ERC_ABI = require('../abis/ForeignBridgeErc677ToErc677.abi')
+const HOME_ERC_TO_NATIVE_ABI = require('../abis/HomeBridgeErcToNative.abi')
+const FOREIGN_ERC_TO_NATIVE_ABI = require('../abis/ForeignBridgeErcToNative.abi')
+
+const BRIDGE_MODES = {
+  NATIVE_TO_ERC: 'NATIVE_TO_ERC',
+  ERC_TO_ERC: 'ERC_TO_ERC',
+  ERC_TO_NATIVE: 'ERC_TO_NATIVE'
+}
+
+const ERC_TYPES = {
+  ERC20: 'ERC20',
+  ERC677: 'ERC677'
+}
+
+function getBridgeABIs(bridgeMode) {
+  let HOME_ABI = null
+  let FOREIGN_ABI = null
+  if (bridgeMode === BRIDGE_MODES.NATIVE_TO_ERC) {
+    HOME_ABI = HOME_NATIVE_TO_ERC_ABI
+    FOREIGN_ABI = FOREIGN_NATIVE_TO_ERC_ABI
+  } else if (bridgeMode === BRIDGE_MODES.ERC_TO_ERC) {
+    HOME_ABI = HOME_ERC_TO_ERC_ABI
+    FOREIGN_ABI = FOREIGN_ERC_TO_ERC_ABI
+  } else if (bridgeMode === BRIDGE_MODES.ERC_TO_NATIVE) {
+    HOME_ABI = HOME_ERC_TO_NATIVE_ABI
+    FOREIGN_ABI = FOREIGN_ERC_TO_NATIVE_ABI
+  } else {
+    throw new Error(`Unrecognized bridge mode: ${bridgeMode}`)
+  }
+
+  return { HOME_ABI, FOREIGN_ABI }
+}
+
+function decodeBridgeMode(bridgeModeHash) {
+  switch (bridgeModeHash) {
+    case '0x92a8d7fe':
+      return BRIDGE_MODES.NATIVE_TO_ERC
+    case '0xba4690f5':
+      return BRIDGE_MODES.ERC_TO_ERC
+    case '0x18762d46':
+      return BRIDGE_MODES.ERC_TO_NATIVE
+    default:
+      throw new Error(`Unrecognized bridge mode hash: '${bridgeModeHash}'`)
+  }
+}
+
+module.exports = {
+  decodeBridgeMode,
+  getBridgeABIs,
+  BRIDGE_MODES,
+  ERC_TYPES
+}
diff --git a/bridge-monitor/utils/contract.js b/bridge-monitor/utils/contract.js
new file mode 100644
index 00000000..c682f179
--- /dev/null
+++ b/bridge-monitor/utils/contract.js
@@ -0,0 +1,50 @@
+const { toBN } = require('web3').utils
+
+const ONE = toBN(1)
+const TWO = toBN(2)
+
+async function getPastEvents({ contract, event, fromBlock, toBlock, options }) {
+  let events
+  try {
+    events = await contract.getPastEvents(event, {
+      ...options,
+      fromBlock,
+      toBlock
+    })
+  } catch (e) {
+    if (e.message.includes('query returned more than 1000 results')) {
+      const middle = fromBlock.add(toBlock).divRound(TWO)
+      const middlePlusOne = middle.add(ONE)
+
+      const firstHalfEvents = await getPastEvents({
+        contract,
+        event,
+        fromBlock,
+        toBlock: middle,
+        options
+      })
+      const secondHalfEvents = await getPastEvents({
+        contract,
+        event,
+        fromBlock: middlePlusOne,
+        toBlock,
+        options
+      })
+      events = [...firstHalfEvents, ...secondHalfEvents]
+    } else {
+      throw new Error(e)
+    }
+  }
+  return events
+}
+
+const getBlockNumberCall = web3 => web3.eth.getBlockNumber()
+
+async function getBlockNumber(web3Home, web3Foreign) {
+  return (await Promise.all([web3Home, web3Foreign].map(getBlockNumberCall))).map(toBN)
+}
+
+module.exports = {
+  getPastEvents,
+  getBlockNumber
+}
diff --git a/bridge-monitor/utils/ercUtils.js b/bridge-monitor/utils/ercUtils.js
new file mode 100644
index 00000000..f6a2d695
--- /dev/null
+++ b/bridge-monitor/utils/ercUtils.js
@@ -0,0 +1,18 @@
+const { ERC_TYPES } = require('./bridgeMode')
+
+const getTokenType = async (contract, bridgeAddress) => {
+  try {
+    const bridgeContract = await contract.methods.bridgeContract().call()
+    if (bridgeContract === bridgeAddress) {
+      return ERC_TYPES.ERC677
+    } else {
+      return ERC_TYPES.ERC20
+    }
+  } catch (e) {
+    return ERC_TYPES.ERC20
+  }
+}
+
+module.exports = {
+  getTokenType
+}
diff --git a/bridge-monitor/utils/events.js b/bridge-monitor/utils/events.js
new file mode 100644
index 00000000..238ea8ac
--- /dev/null
+++ b/bridge-monitor/utils/events.js
@@ -0,0 +1,98 @@
+require('dotenv').config()
+const Web3 = require('web3')
+const { toBN } = require('web3').utils
+const logger = require('../logger')('eventsUtils')
+const { BRIDGE_MODES, decodeBridgeMode, getBridgeABIs, ERC_TYPES } = require('./bridgeMode')
+const { getTokenType } = require('./ercUtils')
+
+const { HOME_RPC_URL, FOREIGN_RPC_URL, HOME_BRIDGE_ADDRESS, FOREIGN_BRIDGE_ADDRESS } = process.env
+const HOME_DEPLOYMENT_BLOCK = toBN(Number(process.env.HOME_DEPLOYMENT_BLOCK) || 0)
+const FOREIGN_DEPLOYMENT_BLOCK = toBN(Number(process.env.FOREIGN_DEPLOYMENT_BLOCK) || 0)
+
+const homeProvider = new Web3.providers.HttpProvider(HOME_RPC_URL)
+const web3Home = new Web3(homeProvider)
+
+const foreignProvider = new Web3.providers.HttpProvider(FOREIGN_RPC_URL)
+const web3Foreign = new Web3(foreignProvider)
+
+const HOME_ERC_TO_ERC_ABI = require('../abis/HomeBridgeErcToErc.abi')
+const ERC20_ABI = require('../abis/ERC20.abi')
+const { getPastEvents, getBlockNumber } = require('./contract')
+
+async function main() {
+  try {
+    const homeErcBridge = new web3Home.eth.Contract(HOME_ERC_TO_ERC_ABI, HOME_BRIDGE_ADDRESS)
+    const bridgeModeHash = await homeErcBridge.methods.getBridgeMode().call()
+    const bridgeMode = decodeBridgeMode(bridgeModeHash)
+    const { HOME_ABI, FOREIGN_ABI } = getBridgeABIs(bridgeMode)
+    const homeBridge = new web3Home.eth.Contract(HOME_ABI, HOME_BRIDGE_ADDRESS)
+    const foreignBridge = new web3Foreign.eth.Contract(FOREIGN_ABI, FOREIGN_BRIDGE_ADDRESS)
+    const tokenType = await getTokenType(foreignBridge, FOREIGN_BRIDGE_ADDRESS)
+    const isExternalErc20 = tokenType === ERC_TYPES.ERC20
+    const erc20MethodName = bridgeMode === BRIDGE_MODES.NATIVE_TO_ERC ? 'erc677token' : 'erc20token'
+    const erc20Address = await foreignBridge.methods[erc20MethodName]().call()
+    const erc20Contract = new web3Foreign.eth.Contract(ERC20_ABI, erc20Address)
+
+    logger.debug('getting last block numbers')
+    const [homeBlockNumber, foreignBlockNumber] = await getBlockNumber(web3Home, web3Foreign)
+
+    logger.debug("calling homeBridge.getPastEvents('UserRequestForSignature')")
+    const homeDeposits = await getPastEvents({
+      contract: homeBridge,
+      event: 'UserRequestForSignature',
+      fromBlock: HOME_DEPLOYMENT_BLOCK,
+      toBlock: homeBlockNumber,
+      options: {}
+    })
+
+    logger.debug("calling foreignBridge.getPastEvents('RelayedMessage')")
+    const foreignDeposits = await getPastEvents({
+      contract: foreignBridge,
+      event: 'RelayedMessage',
+      fromBlock: FOREIGN_DEPLOYMENT_BLOCK,
+      toBlock: foreignBlockNumber,
+      options: {}
+    })
+
+    logger.debug("calling homeBridge.getPastEvents('AffirmationCompleted')")
+    const homeWithdrawals = await getPastEvents({
+      contract: homeBridge,
+      event: 'AffirmationCompleted',
+      fromBlock: HOME_DEPLOYMENT_BLOCK,
+      toBlock: homeBlockNumber,
+      options: {}
+    })
+
+    logger.debug("calling foreignBridge.getPastEvents('UserRequestForAffirmation')")
+    const foreignWithdrawals = isExternalErc20
+      ? await getPastEvents({
+          contract: erc20Contract,
+          event: 'Transfer',
+          fromBlock: FOREIGN_DEPLOYMENT_BLOCK,
+          toBlock: foreignBlockNumber,
+          options: {
+            filter: { to: FOREIGN_BRIDGE_ADDRESS }
+          }
+        })
+      : await getPastEvents({
+          contract: foreignBridge,
+          event: 'UserRequestForAffirmation',
+          fromBlock: FOREIGN_DEPLOYMENT_BLOCK,
+          toBlock: foreignBlockNumber,
+          options: {}
+        })
+    logger.debug('Done')
+    return {
+      homeDeposits,
+      foreignDeposits,
+      homeWithdrawals,
+      foreignWithdrawals,
+      isExternalErc20
+    }
+  } catch (e) {
+    logger.error(e)
+    throw e
+  }
+}
+
+module.exports = main
diff --git a/bridge-monitor/utils/validatorUtils.js b/bridge-monitor/utils/validatorUtils.js
new file mode 100644
index 00000000..facb36e1
--- /dev/null
+++ b/bridge-monitor/utils/validatorUtils.js
@@ -0,0 +1,79 @@
+/* eslint no-param-reassign: ["error", { "props": false }] */
+
+const bridgeValidatorsAbi = require('../abis/BridgeValidators.abi')
+const logger = require('../logger')('validatorsUtils')
+const { getPastEvents } = require('./contract')
+
+const parseValidatorEvent = event => {
+  if (
+    event.event === undefined &&
+    event.raw &&
+    event.raw.topics &&
+    (event.raw.topics[0] === '0xe366c1c0452ed8eec96861e9e54141ebff23c9ec89fe27b996b45f5ec3884987' ||
+      event.raw.topics[0] === '0x8064a302796c89446a96d63470b5b036212da26bd2debe5bec73e0170a9a5e83')
+  ) {
+    const rawAddress = event.raw.topics.length > 1 ? event.raw.topics[1] : event.raw.data
+    const address = '0x' + rawAddress.slice(26)
+    event.event = 'ValidatorAdded'
+    event.returnValues.validator = address
+  } else if (
+    event.event === undefined &&
+    event.raw &&
+    event.raw.topics &&
+    event.raw.topics[0] === '0xe1434e25d6611e0db941968fdc97811c982ac1602e951637d206f5fdda9dd8f1'
+  ) {
+    const rawAddress = event.raw.data === '0x' ? event.raw.topics[1] : event.raw.data
+    const address = '0x' + rawAddress.slice(26)
+    event.event = 'ValidatorRemoved'
+    event.returnValues.validator = address
+  }
+}
+
+const processValidatorsEvents = events => {
+  const validatorList = new Set()
+  events.forEach(event => {
+    parseValidatorEvent(event)
+
+    if (event.event === 'ValidatorAdded') {
+      validatorList.add(event.returnValues.validator)
+    } else if (event.event === 'ValidatorRemoved') {
+      validatorList.delete(event.returnValues.validator)
+    }
+  })
+
+  return Array.from(validatorList)
+}
+
+const validatorList = async contract => {
+  try {
+    return await contract.methods.validatorList().call()
+  } catch (e) {
+    return []
+  }
+}
+
+const getValidatorList = async (address, eth, fromBlock, toBlock) => {
+  logger.debug('getting validatorList')
+  const validatorsContract = new eth.Contract(bridgeValidatorsAbi, address)
+  const validators = await validatorList(validatorsContract)
+
+  if (validators.length) {
+    return validators
+  }
+
+  logger.debug('getting validatorsEvents')
+  const contract = new eth.Contract([], address)
+  const validatorsEvents = await getPastEvents({
+    contract,
+    event: 'allEvents',
+    fromBlock,
+    toBlock,
+    options: {}
+  })
+
+  return processValidatorsEvents(validatorsEvents)
+}
+
+module.exports = {
+  getValidatorList
+}
diff --git a/bridge-monitor/validators.js b/bridge-monitor/validators.js
new file mode 100644
index 00000000..2e6229c0
--- /dev/null
+++ b/bridge-monitor/validators.js
@@ -0,0 +1,156 @@
+require('dotenv').config()
+const Web3 = require('web3')
+const fetch = require('node-fetch')
+const logger = require('./logger')('validators')
+const { getBridgeABIs } = require('./utils/bridgeMode')
+const { getValidatorList } = require('./utils/validatorUtils')
+const { getBlockNumber } = require('./utils/contract')
+
+const {
+  HOME_RPC_URL,
+  FOREIGN_RPC_URL,
+  HOME_BRIDGE_ADDRESS,
+  FOREIGN_BRIDGE_ADDRESS,
+  GAS_PRICE_SPEED_TYPE,
+  GAS_LIMIT,
+  GAS_PRICE_FALLBACK
+} = process.env
+const HOME_DEPLOYMENT_BLOCK = Number(process.env.HOME_DEPLOYMENT_BLOCK) || 0
+const FOREIGN_DEPLOYMENT_BLOCK = Number(process.env.FOREIGN_DEPLOYMENT_BLOCK) || 0
+
+const Web3Utils = Web3.utils
+
+const homeProvider = new Web3.providers.HttpProvider(HOME_RPC_URL)
+const web3Home = new Web3(homeProvider)
+
+const foreignProvider = new Web3.providers.HttpProvider(FOREIGN_RPC_URL)
+const web3Foreign = new Web3(foreignProvider)
+
+const BRIDGE_VALIDATORS_ABI = require('./abis/BridgeValidators.abi')
+
+const asyncForEach = async (array, callback) => {
+  for (let index = 0; index < array.length; index++) {
+    await callback(array[index], index, array)
+  }
+}
+
+async function getGasPrices(type) {
+  try {
+    const response = await fetch('https://gasprice.poa.network/')
+    const json = await response.json()
+    logger.log('Fetched gasprice: ' + json[type])
+    return json[type]
+  } catch (e) {
+    logger.error('Gas Price API is not available', e)
+    return GAS_PRICE_FALLBACK
+  }
+}
+
+async function main(bridgeMode) {
+  try {
+    const { HOME_ABI, FOREIGN_ABI } = getBridgeABIs(bridgeMode)
+    const homeBridge = new web3Home.eth.Contract(HOME_ABI, HOME_BRIDGE_ADDRESS)
+    const foreignBridge = new web3Foreign.eth.Contract(FOREIGN_ABI, FOREIGN_BRIDGE_ADDRESS)
+    const homeValidatorsAddress = await homeBridge.methods.validatorContract().call()
+    const homeBridgeValidators = new web3Home.eth.Contract(
+      BRIDGE_VALIDATORS_ABI,
+      homeValidatorsAddress
+    )
+
+    logger.debug('getting last block numbers')
+    const [homeBlockNumber, foreignBlockNumber] = await getBlockNumber(web3Home, web3Foreign)
+
+    logger.debug('calling foreignBridge.methods.validatorContract().call()')
+    const foreignValidatorsAddress = await foreignBridge.methods.validatorContract().call()
+    const foreignBridgeValidators = new web3Foreign.eth.Contract(
+      BRIDGE_VALIDATORS_ABI,
+      foreignValidatorsAddress
+    )
+
+    logger.debug('calling foreignBridgeValidators getValidatorList()')
+    const foreignValidators = await getValidatorList(
+      foreignValidatorsAddress,
+      web3Foreign.eth,
+      FOREIGN_DEPLOYMENT_BLOCK,
+      foreignBlockNumber
+    )
+
+    logger.debug('calling homeBridgeValidators getValidatorList()')
+    const homeValidators = await getValidatorList(
+      homeValidatorsAddress,
+      web3Home.eth,
+      HOME_DEPLOYMENT_BLOCK,
+      homeBlockNumber
+    )
+
+    const homeBalances = {}
+    logger.debug('calling asyncForEach homeValidators homeBalances')
+    await asyncForEach(homeValidators, async v => {
+      homeBalances[v] = Web3Utils.fromWei(await web3Home.eth.getBalance(v))
+    })
+    const foreignVBalances = {}
+    const homeVBalances = {}
+    logger.debug('calling getGasPrices')
+    const gasPriceInGwei = await getGasPrices(GAS_PRICE_SPEED_TYPE)
+    const gasPrice = new Web3Utils.BN(Web3Utils.toWei(gasPriceInGwei.toString(10), 'gwei'))
+    const txCost = gasPrice.mul(new Web3Utils.BN(GAS_LIMIT))
+    let validatorsMatch = true
+    logger.debug('calling asyncForEach foreignValidators foreignVBalances')
+    await asyncForEach(foreignValidators, async v => {
+      const balance = await web3Foreign.eth.getBalance(v)
+      const leftTx = new Web3Utils.BN(balance).div(txCost).toString(10)
+      foreignVBalances[v] = {
+        balance: Web3Utils.fromWei(balance),
+        leftTx: Number(leftTx),
+        gasPrice: gasPriceInGwei
+      }
+      if (!homeValidators.includes(v)) {
+        validatorsMatch = false
+        foreignVBalances[v].onlyOnForeign = true
+      }
+    })
+    logger.debug('calling asyncForEach homeValidators homeVBalances')
+    await asyncForEach(homeValidators, async v => {
+      const gasPrice = new Web3Utils.BN(1)
+      const txCost = gasPrice.mul(new Web3Utils.BN(GAS_LIMIT))
+      const balance = await web3Home.eth.getBalance(v)
+      const leftTx = new Web3Utils.BN(balance).div(txCost).toString(10)
+      homeVBalances[v] = {
+        balance: Web3Utils.fromWei(balance),
+        leftTx: Number(leftTx),
+        gasPrice: Number(gasPrice.toString(10))
+      }
+      if (!foreignValidators.includes(v)) {
+        validatorsMatch = false
+        homeVBalances[v].onlyOnHome = true
+      }
+    })
+    logger.debug('calling homeBridgeValidators.methods.requiredSignatures().call()')
+    const reqSigHome = await homeBridgeValidators.methods.requiredSignatures().call()
+    logger.debug('calling foreignBridgeValidators.methods.requiredSignatures().call()')
+    const reqSigForeign = await foreignBridgeValidators.methods.requiredSignatures().call()
+    logger.debug('Done')
+    return {
+      home: {
+        validators: {
+          ...homeVBalances
+        },
+        requiredSignatures: Number(reqSigHome)
+      },
+      foreign: {
+        validators: {
+          ...foreignVBalances
+        },
+        requiredSignatures: Number(reqSigForeign)
+      },
+      requiredSignaturesMatch: reqSigHome === reqSigForeign,
+      validatorsMatch,
+      lastChecked: Math.floor(Date.now() / 1000)
+    }
+  } catch (e) {
+    logger.error(e)
+    throw e
+  }
+}
+
+module.exports = main