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Author SHA1 Message Date
Felix Lange
de7af720d6 p2p/discover: implement node bonding 
This a fix for an attack vector where the discovery protocol could be
used to amplify traffic in a DDOS attack. A malicious actor would send a
findnode request with the IP address and UDP port of the target as the
source address. The recipient of the findnode packet would then send a
neighbors packet (which is 16x the size of findnode) to the victim.

Our solution is to require a 'bond' with the sender of findnode. If no
bond exists, the findnode packet is not processed. A bond between nodes
α and β is created when α replies to a ping from β.

This (initial) version of the bonding implementation might still be
vulnerable against replay attacks during the expiration time window.
We will add stricter source address validation later.
 2015-04-01 17:00:12 +02:00
Felix Lange
92928309b2 p2p/discover: add version number to ping packet 
The primary motivation for doing this right now is that old PoC 8
nodes and newer PoC 9 nodes keep discovering each other, causing
handshake failures.
 2015-04-01 15:53:04 +02:00
Taylor Gerring
101ea1a1e8 Make inner size before assinging. Closes #615 2015-04-01 14:15:20 +02:00
Jeffrey Wilcke
c8e5d53a39 Merge pull request #618 from tgerring/issue613 
Issue #613
 2015-04-01 13:57:35 +02:00
Jeffrey Wilcke
4a4da9a24e Merge pull request #588 from ethersphere/frontier/SEC-29 
Frontier/sec 29
 2015-04-01 13:55:42 +02:00
zelig
f56fc9cd9d change StatusMsgData.TD back to pointer type *big.Int 2015-04-01 12:36:49 +01:00
zelig
6ffea34d8b check TxMsg 
- add validation on TxMsg checking for nil
- add test for nil transaction
- add test for zero value transaction (no extra validation needed)
 2015-04-01 12:32:42 +01:00
zelig
82da6bf4d2 test for invalid rlp encoding of block in BlocksMsg 
- rename Validate -> ValidateFields not to confure consensus block validation
- add nil transaction and nil uncle header validation
- remove bigint field checks: rlp already decodes *big.Int to big.NewInt(0)
- add test for nil header, nil transaction
 2015-04-01 12:32:42 +01:00
zelig
d677190f39 add tests for valid blocks msg handling 2015-04-01 12:32:42 +01:00
zelig
e1be34bce1 eth: SEC-29 eth wire protocol decoding invalid message data crashes client 
- add validate method to types.Block
- validate after Decode -> error
- add tests for NewBlockMsg
 2015-04-01 12:32:42 +01:00
Jeffrey Wilcke
936ddf2ad1 Merge pull request #616 from bas-vk/develop 
Frontier/513
 2015-04-01 13:25:15 +02:00
Taylor Gerring
dbf17105f6 Build transaction context in BlockRes 2015-04-01 13:18:51 +02:00
Taylor Gerring
88f2a96ca3 Set fullTx option in constructor 2015-04-01 13:18:30 +02:00
Bas van Kervel
1559bd9e1b changed big.Int instantiation 2015-04-01 13:15:21 +02:00
obscuren
dba9b83aa0 Merge branch 'tgerring-hexify' into develop 2015-04-01 12:51:44 +02:00
obscuren
b0e09ec827 merge conflict 2015-04-01 12:51:39 +02:00
obscuren
6afc5e762a Merge branch 'hexify' of https://github.com/tgerring/go-ethereum into tgerring-hexify 2015-04-01 12:49:10 +02:00
Jeffrey Wilcke
720d978e35 Merge pull request #589 from tgerring/corssetting 
Configurable CORS domain
 2015-04-01 12:38:29 +02:00
Bas van Kervel
6605d00d92 Frontier/513 2015-04-01 12:33:12 +02:00
Taylor Gerring
02fb83782e #612 rename eth_protocol method 2015-04-01 12:28:48 +02:00
Taylor Gerring
86ba7432a9 txMeta storage as struct 2015-04-01 12:14:35 +02:00
obscuren
4e8f8cfab7 ethereum.js update 2015-04-01 11:51:05 +02:00
obscuren
f2c6a937f3 Protocol bump 2015-04-01 11:50:19 +02:00
Taylor Gerring
b860b67693 Remove extra type assetion 2015-04-01 11:45:29 +02:00
obscuren
f468364e4d fixed tests 2015-04-01 11:42:02 +02:00
Taylor Gerring
7b7392826d Improved response tests 
Actually verifies output as by regex
 2015-04-01 11:38:06 +02:00
obscuren
0a554a1f27 Blocktest fixed, Execution fixed 
* Added new CreateAccount method which properly overwrites previous
  accounts (excluding balance)
* Fixed block tests (100% success)
 2015-04-01 10:53:32 +02:00
obscuren
d3e86f9208 Added gas generator defaults 2015-04-01 10:51:46 +02:00
Taylor Gerring
25998cfc45 Re-enabled response tests (needs improvement) 2015-04-01 09:11:23 +02:00
Taylor Gerring
bbca6250ff Merge branch 'rpccall' into hexify 2015-03-31 22:40:52 +02:00
Taylor Gerring
40ea466200 Store and retrieve tx context metadata #608 
Improving this in the future will allow for cleaning up a bit of legacy
code.
 2015-03-31 22:40:12 +02:00
Taylor Gerring
7e3875b527 Remove custom MarshalJSON methods 
Now formats based on underlying hexdata or hexnum type. Fields directly
with respective constructors that cover from native types
 2015-03-31 19:04:02 +02:00
Taylor Gerring
a2501ecfcd Make new types Stringers 2015-03-31 19:02:46 +02:00
Taylor Gerring
8f0e095f4c Index is zero-based #607 2015-03-31 17:56:06 +02:00
Taylor Gerring
81aeb78976 Update output types to use hexnum or hexdata 
Benefits from automatic output formatting differences between
quantities and data
 2015-03-31 17:40:35 +02:00
Taylor Gerring
3a948b2dba Add hexdata and hexnum types 2015-03-31 17:39:58 +02:00
obscuren
2ef0bc03ec Merge commit 'ec181b308addc30c04973e9058960d579c84eef5' into develop 2015-03-31 16:25:22 +02:00
obscuren
ec181b308a Squashed 'tests/files/' changes from c6d9629..29da5ea 
29da5ea add JS block test example as state test
04108e0 Merge remote-tracking branch 'origin' into develop
6da7f35 JS failures
22b5dfc stQuadraticComplexity Refill with latest develop
c97bf26 Memory / Solidity Test Update

git-subtree-dir: tests/files
git-subtree-split: 29da5ea53ab36d74bd3c0712337168086cabfb8d
 2015-03-31 16:25:22 +02:00
obscuren
8b51582b53 Merge branch 'develop' of github.com-obscure:ethereum/go-ethereum into develop 2015-03-31 15:31:32 +02:00
obscuren
3453f8c5d2 Added Code field 2015-03-31 15:30:55 +02:00
Felix Lange
653c3deaa5 Merge pull request #606 from tgerring/bootnode 
Update Go bootnode address
 2015-03-31 14:41:17 +02:00
Taylor Gerring
6daa455243 Update Go bootnode address 2015-03-31 14:14:29 +02:00
Jeffrey Wilcke
485dcf90cd Merge pull request #594 from Gustav-Simonsson/fix_block_header_gas_limit_validation 
Correct gas limit validation according to new algorithm
 2015-03-31 12:41:05 +02:00
Taylor Gerring
2f3a968136 New CallArgs 
Requirements for calls differ from transactions
 2015-03-30 16:20:30 +02:00
Gustav Simonsson
9feed3f61e Correct gas limit validation according to new algorithm 
* Use absolute value of (block's gas limit) - (parent's gas limit)
  in comparison with diff limit.
* Ensure the diff is strictly smaller than the allowed size.
 2015-03-30 16:07:24 +02:00
Taylor Gerring
f23529c5cd General repo cleanup 2015-03-30 09:18:22 +02:00
Taylor Gerring
35d00e00c5 Update Godeps 2015-03-29 22:19:38 +02:00
Taylor Gerring
b6fde73ef1 Add settable domain to CORS handler #331 2015-03-29 21:56:04 +02:00
Taylor Gerring
04a7c4ae1e Abstract http into rpc package 
New RpcConfig object to pass growing config
 2015-03-29 21:26:47 +02:00
Taylor Gerring
24fc1f073d Add flag to control CORS header #394 
* Disabled on CLI
* http://localhost on Mist
 2015-03-29 21:21:14 +02:00