tokenbridge/monitor/getShortEventStats.js
Przemyslaw Rzad 5efc9a6688
Update bridge monitor (#38)
* Removed duplicate licence, updated links do Contributing and Licence in sub-readme.

* Renamed bridge-monitor to monitor.

* Removed package-lock.json.

* Added monitor workspace with linting.

* Consistent eslint version.

* Added readme for merging.
2019-05-14 09:17:03 +02:00

98 lines
3.6 KiB
JavaScript

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