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25 Commits

Author SHA1 Message Date
Felix Lange 1b7b2ba216 tests: update test files from github.com/ethereum/tests @ 45bc1d21d3c1 
Two new tests are skipped because they're buggy. Making some newer
random state tests work required implementing the 'compressed return
value encoding'.
 2016-10-06 15:36:21 +02:00
Felix Lange ca18202eb9 eth: enable bad block reports 
We used to have reporting of bad blocks, but it was disabled
before the Frontier release. We need it back because users
are usually unable to provide the full RLP data of a bad
block when it occurs.

A shortcoming of this particular implementation is that the
origin peer is not tracked for blocks received during eth/63
sync. No origin peer info is still better than no report at
all though.
 2016-05-25 02:02:51 +02:00
Felix Lange 6fdd0893c3 all: fix go vet warnings 2016-04-15 11:17:27 +02:00
Felix Lange d04a2e7557 all: update license information 2016-04-15 09:48:05 +02:00
Jeffrey Wilcke 5b283663b4 core: Added new TD strategy which mitigate the risk for selfish mining 
Assuming the following scenario where a miner has 15% of all hashing
power and the ability to exert a moderate control over the network to
the point where if the attacker sees a message A, it can't stop A from
propagating, but what it **can** do is send a message B and ensure that
most nodes see B before A. The attacker can then selfish mine and
augment selfish mining strategy by giving his own blocks an advantage.

This change makes the time at which a block is received less relevant
and so the level of control an attacker has over the network no longer
makes a difference.

This change changes the current td algorithm `B_td > C_td` to the new
algorithm `B_td > C_td || B_td == C_td && rnd < 0.5`.
 2016-02-18 10:12:13 +01:00
Péter Szilágyi 9dc5de51a2 tests: fix data race in bad-block-report disabling during tests 2015-11-05 13:29:50 +02:00
Felix Lange bfbcfbe4a9 all: fix license headers one more time 
I forgot to update one instance of "go-ethereum" in commit 3f047be5a.
 2015-07-23 18:35:11 +02:00
Felix Lange 3f047be5aa all: update license headers to distiguish GPL/LGPL 
All code outside of cmd/ is licensed as LGPL. The headers
now reflect this by calling the whole work "the go-ethereum library".
 2015-07-22 18:51:45 +02:00
Felix Lange 5da82077d1 cmd/ethtest, tests: add support for RLP JSON tests 2015-07-17 15:13:24 +02:00
Gustav Simonsson b08abe64e4 Unskip SimpleTx3, check err in pre/post state validations 2015-07-08 13:09:22 +02:00
Felix Lange bdae4fd573 all: add some godoc synopsis comments 2015-07-07 14:12:45 +02:00
Felix Lange ea54283b30 all: update license information 2015-07-07 14:12:44 +02:00
Gustav Simonsson b7e8d954ef Add TestBcGasPricer, comments and unskip tests 2015-07-06 13:56:56 +02:00
Jeffrey Wilcke aa4502060b Merge pull request #1400 from obscuren/badblock-reporting 
core, miner, tests: added test, implemented bad block reporting
 2015-07-06 02:03:50 -07:00
Jeffrey Wilcke bcc1660abc core, miner, tests: added test, implemented bad block reporting 2015-07-05 15:14:31 +02:00
Gustav Simonsson 0f04af5916 Fix core error forwarding, unify OOG VM err 2015-07-04 09:27:42 +02:00
Gustav Simonsson ff97059a99 Update Ethereum JSON tests, skip failing 2015-07-03 09:40:07 +02:00
Taylor Gerring baea8e87e5 Rebase cleanup 2015-06-18 22:27:44 +02:00
Taylor Gerring 01ec4dbb12 Add stdin option 2015-06-18 22:24:07 +02:00
Taylor Gerring c941a39b75 Cleanup logging 2015-06-18 22:20:45 +02:00
Taylor Gerring 6ff956394a DRY file loading 2015-06-18 22:20:45 +02:00
Taylor Gerring ac0637c413 More consistent test interfaces + test skipping 2015-06-18 22:20:44 +02:00
Taylor Gerring b6d40a9312 Cleanup/reorg 2015-06-18 22:20:44 +02:00
Taylor Gerring c5d6fcbaba Return error up stack instead of passing testing var down 2015-06-18 22:20:44 +02:00
Taylor Gerring 1b26d4f220 Flatten helper directory 2015-06-18 22:15:07 +02:00