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2017-06-01Switch CScriptCheck to use Coin instead of CCoinsPieter Wuille
2017-06-01Only pass things committed to by tx's witness hash to CScriptCheckMatt Corallo
This clarifies a bit more the ways in which the new script execution cache could break consensus in the future if additional data from the CCoins object were to be used as a part of script execution. After this change, any such consensus breaks should be very visible to reviewers, hopefully ensuring no such changes can be made.
2017-06-01Switch from per-tx to per-txout CCoinsViewCache methods in some placesPieter Wuille
2017-06-01Optimization: Coin&& to ApplyTxInUndoPieter Wuille
This avoids a prevector copy in ApplyTxInUndo.
2017-06-01Replace CTxInUndo with CoinPieter Wuille
The earlier CTxInUndo class now holds the same information as the Coin class. Instead of duplicating functionality, replace CTxInUndo with a serialization adapter for Coin.
2017-05-26Remove/ignore tx version in utxo and undoPieter Wuille
This makes the following changes: * In undo data and the chainstate database, the transaction nVersion field is removed from the data structures, always written as 0, and ignored when reading. * The definition of hash_serialized in gettxoutsetinfo is changed to no longer incude the nVersion field. It is renamed to hash_serialized_2 to avoid confusion. The new definition also includes transaction height and coinbase information, as this information was missing before. This depends on having a CHashVerifier-based undo data checksum verifier. Apart from changing the definition of serialized_hash, downgrading after using this patch is supported, as no release ever used the value of nVersion field in UTXO entries.
2017-05-26Add specialization of SipHash for 256 + 32 bit dataPieter Wuille
We'll need a version of SipHash for tuples of 256 bits and 32 bits data, when CCoinsViewCache switches from using txids to COutPoints as keys.
2017-05-26error() in disconnect for disk corruption, not inconsistencyPieter Wuille
The error() function unconditionally reports an error. It should only be used for actually exception situations, and not for the type of inconsistencies that ApplyTxInUndo/DisconnectBlock can graciously deal with. This also makes a subtle semantics change: in ApplyTxInUndo, when a record with metadata is encountered (indicating it is the last spend from a tx), don't wipe the CCoins record if it wasn't empty at that point. This makes sure that UTXO operations never affect any other UTXOs (including those from the same tx).
2017-05-22Merge #10415: [tests] Speed up fuzzing by ~200x when using afl-fuzzWladimir J. van der Laan
693247b [test] Speed up fuzzing by ~200x when using afl-fuzz (practicalswift) Tree-SHA512: 95922fc2616b8cb00dd531ed1140a52bbda4e04292dd8c1c60a8f49dbf6ccb797a18b61180b3fb68d695456b478a1f5ae7fda47e8ecee41dd65555487aef40a3
2017-05-19Merge #10429: tests: fix spurious addrman test failureWladimir J. van der Laan
6b51b0a tests: fix spurious addrman test failure (Cory Fields) Tree-SHA512: 3d41723b1a31ff459d950331ffea7f383e4ef6187990be6a634978bead0c29d7c096f68e7edb6d4dc56069c1fe8a6f12a6daf573cb1e542b15d000eaa54ad288
2017-05-19[test] Speed up fuzzing by ~200x when using afl-fuzzpracticalswift
Enable the `afl-clang-fast++` features deferred forkserver (`__AFL_INIT`) and persistent mode (`__AFL_LOOP(1000)`). Before this patch: ``` $ afl-fuzz -i input -o output -m512 -- src/test/test_bitcoin_fuzzy [*] Validating target binary... [!] WARNING: The target binary is pretty slow! See /usr/local/share/doc/afl/perf_tips.txt. [+] Here are some useful stats: Test case count : 1 favored, 0 variable, 1 total Bitmap range : 1072 to 1072 bits (average: 1072.00 bits) Exec timing : 20.4k to 20.4k us (average: 20.4k us) … exec speed : 57.58/sec (slow!) exec speed : 48.35/sec (slow!) exec speed : 53.78/sec (slow!) ``` After this patch: ``` $ afl-fuzz -i input -o output -m512 -- src/test/test_bitcoin_fuzzy [*] Validating target binary... [+] Persistent mode binary detected. [+] Deferred forkserver binary detected. [+] Here are some useful stats: Test case count : 1 favored, 0 variable, 1 total Bitmap range : 24 to 24 bits (average: 24.00 bits) Exec timing : 114 to 114 us (average: 114 us) … exec speed : 15.9k/sec exec speed : 13.1k/sec exec speed : 15.1k/sec ```
2017-05-19tests: fix spurious addrman test failureCory Fields
When inserting two addresses of the same class, from the same source, they have a 1/64 chance of colliding.
2017-05-18Merge #8329: Consensus: MOVEONLY: Move functions for tx verificationWladimir J. van der Laan
618d07f MOVEONLY: tx functions to consensus/tx_verify.o (Jorge Timón) Tree-SHA512: 63fa2777c070a344dbfe61974526a770d962e049881c6f371b0034b1682c1e6e24f47454f01ee35ded20ade34488e023d4467a05369662906b99a73bb5de8497
2017-05-18Merge #10408: Net: Improvements to Tor control port parserWladimir J. van der Laan
49a199b torcontrol: Handle escapes in Tor QuotedStrings (Jack Grigg) 0182a11 torcontrol: Log invalid parameters in Tor reply strings where meaningful (Jack Grigg) 0b6f40d torcontrol: Check for reading errors in ReadBinaryFile (Jack Grigg) d63677b torcontrol: Fix ParseTorReplyMapping (Jack Grigg) 29f3c20 torcontrol: Add unit tests for Tor reply parsers (Jack Grigg) d8e03c0 torcontrol: Improve comments (Jack Grigg) Tree-SHA512: aa3ce8072d20299b38c4ba9471af7fab1f5df096c237bf40a96ee9274a357f7366f95ced0cc80f8da1f22f6455a1a8e68bad9a5ff71817eef3397b6aefcbc7ae
2017-05-17Merge #10199: Better fee estimatesPieter Wuille
38bc1ec Make more json-like output from estimaterawfee (Alex Morcos) 2d2e170 Comments and improved documentation (Alex Morcos) ef589f8 minor cleanup: remove unnecessary variable (Alex Morcos) 3ee76d6 Introduce a scale factor (Alex Morcos) 5f1f0c6 Historical block span (Alex Morcos) aa19b8e Clean up fee estimate debug printing (Alex Morcos) 10f7cbd Track first recorded height (Alex Morcos) 3810e97 Rewrite estimateSmartFee (Alex Morcos) c7447ec Track failures in fee estimation. (Alex Morcos) 4186d3f Expose estimaterawfee (Alex Morcos) 2681153 minor refactor: explicitly track start of new bucket range and don't update curNearBucket on final loop. (Alex Morcos) 1ba43cc Make EstimateMedianVal smarter about small failures. (Alex Morcos) d3e30bc Refactor to update moving average on fly (Alex Morcos) e5007ba Change parameters for fee estimation and estimates on all 3 time horizons. (Alex Morcos) c0a273f Change file format for fee estimates. (Alex Morcos) Tree-SHA512: 186e7508d86a1f351bb656edcd84ee9091f5f2706331eda9ee29da9c8eb5bf67b8c1f2abf6662835560e7f613b1377099054f20767f41ddcdbc89c4f9e78946d
2017-05-16torcontrol: Handle escapes in Tor QuotedStringsJack Grigg
https://trac.torproject.org/projects/tor/ticket/14999 is tracking an encoding bug with the Tor control protocol, where many of the QuotedString instances that Tor outputs are in fact CStrings, but it is not documented which ones are which. https://spec.torproject.org/control-spec section 2.1.1 provides a future-proofed rule for handing QuotedStrings, which this commit implements. This commit merges all six commits from https://github.com/zcash/zcash/pull/2251
2017-05-16torcontrol: Add unit tests for Tor reply parsersJack Grigg
2017-05-15tests: Correct testcase in script_tests.json for large number OP_EQUALWladimir J. van der Laan
Fix a test case that was passing correctly by accident, but not testing the right thing. Reported by helo on IRC.
2017-05-15Merge #9494: Introduce an ArgsManager class encapsulating cs_args, mapArgs ↵Wladimir J. van der Laan
and mapMultiArgs 78da882 Util: Small improvements in gArgs usage (Jorge Timón) 5292245 Util: Put mapMultiArgs inside ArgsManager (Jorge Timón) b3cbd55 scripted-diff: Util: Encapsulate mapMultiArgs behind gArgs (Jorge Timón) f2957ce Util: Create ArgsManager class... (Jorge Timón) Tree-SHA512: 7d58250da440ad0f41745f46ab6021d6ecbb292035cab3d86fb08ce6bd822df604ac31b3ded6fd6914f7cfd12ba531cbc06a76eb500f629627f47ae6ac8350a7
2017-05-10Introduce a scale factorAlex Morcos
For the per confirmation number tracking of data, introduce a scale factor so that in the longer horizones confirmations are bucketed together at a resolution of the scale. (instead of 1008 individual data points for each fee bucket, have 42 data points each covering 24 different confirmation values.. (1-24), (25-48), etc.. )
2017-05-10Rewrite estimateSmartFeeAlex Morcos
Change the logic of estimateSmartFee to check a 60% threshold at half the target, a 85% threshold at the target and a 95% threshold at double the target. Always check the shortest time horizon possible and ensure that estimates are monotonically decreasing. Add a conservative mode, which makes sure that the 95% threshold is also met at longer time horizons as well.
2017-05-10Track failures in fee estimation.Alex Morcos
Start tracking transactions which fail to confirm within the target and are then evicted or otherwise leave mempool. Fix slight error in unit test.
2017-05-10Change parameters for fee estimation and estimates on all 3 time horizons.Alex Morcos
Make feerate buckets smaller (5% instead of 10%) and make the 3 different horizons have half lifes of 3 hours, 1 day and 1 week respectively.
2017-05-09[tests] Clean up addrman_tests.cppJimmy Song
Cleanup request from #10287. Change "Test #:" comments to "Test:" Change BOOST_CHECK(... = ...) to BOOST_CHECK_EQUAL(..., ...) Remove three unnecessary if statements
2017-05-09Util: Create ArgsManager class...Jorge Timón
- Introduce ArgsManager::GetArgs() - Adapt util_tests.cpp to ArgsManager
2017-05-09Merge #10287: [tests] Update Unit Test for addrman.h/addrman.cppMarcoFalke
ed36de5 [tests] Update Unit Test for addrman.h/addrman.cpp (Jimmy Song) Tree-SHA512: e7c08c19e227c34c230900e14a176b2290022b78b0ece387452e673662491c11f26249cbf1711235276c07a964c339e27b4cda9a2730ded5c0e23a650e0d72db
2017-05-09Merge #8855: Use a proper factory for creating chainparamsWladimir J. van der Laan
c1082a7 Chainparams: Use the factory for pow tests (Jorge Timón) 2351a06 Chainparams: Get rid of CChainParams& Params(std::string) (Jorge Timón) f87f362 Chainparams: Use a regular factory for creating chainparams (Jorge Timón) Tree-SHA512: 359c8a2a1bc9d02db7856d02810240ada28048ac088f878b575597a7255cdb0ffdd1a647085ee67a34c6a7e7ed9e6cfdb61240cf6e75139619b640dbb096072c
2017-05-03Chainparams: Use the factory for pow testsJorge Timón
2017-05-03Chainparams: Get rid of CChainParams& Params(std::string)Jorge Timón
2017-05-03Consensus: Policy: MOVEONLY: Move CFeeRate out of the consensus moduleJorge Timón
...from amount.o to policy/feerate.o Policy, because it moves policy code to the policy directory (common module)
2017-05-02[tests] Update Unit Test for addrman.h/addrman.cppJimmy Song
Add test for adding multiple addresses to address manager Clean up unnecessary modulo operations Add test for GetNewBucket's alternate method signature
2017-04-26Merge #10280: [test] Unit test amount.h/amount.cppMarcoFalke
dcb69fd [test] Unit test amount.h/amount.cpp (Jimmy Song) Tree-SHA512: dc50e6158322a282a8b8b60c8eab7ce327a33c48113a1455b8a1784f07e6277ad499e85ec978199468a2dc34e9e288287c8803c215f810fa2d841cdda9a414f5
2017-04-26[test] Unit test amount.h/amount.cppJimmy Song
Add tests for MoneyRange, binary operators, ToString and a constructor
2017-04-25[test] Add Unit Test for GetListenPortJimmy Song
Add very basic unit test for GetListenPort in net_tests.cpp
2017-04-24Merge #9792: FastRandomContext improvements and switch to ChaCha20Wladimir J. van der Laan
4fd2d2f Add a FastRandomContext::randrange and use it (Pieter Wuille) 1632922 Switch FastRandomContext to ChaCha20 (Pieter Wuille) e04326f Add ChaCha20 (Pieter Wuille) 663fbae FastRandom benchmark (Pieter Wuille) c21cbe6 Introduce FastRandomContext::randbool() (Pieter Wuille) Tree-SHA512: 7fff61e3f6d6dc6ac846ca643d877b377db609646dd401a0e8f50b052c6b9bcd2f5fc34de6bbf28f04afd1724f6279ee163ead5f37d724fb782a00239f35db1d
2017-04-20Merge #9942: Refactor CBlockPolicyEstimatorWladimir J. van der Laan
68af651 MOVEONLY: move TxConfirmStats to cpp (Alex Morcos) 2332f19 Initialize TxConfirmStats in constructor (Alex Morcos) 5ba81e5 Read and Write fee estimate file directly from CBlockPolicyEstimator (Alex Morcos) 14e10aa Call estimate(Smart)Fee directly from CBlockPolicyEstimator (Alex Morcos) dbb9e36 Give CBlockPolicyEstimator it's own lock (Alex Morcos) f6187d6 Make processBlockTx private. (Alex Morcos) ae7327b Make feeEstimator its own global instance of CBlockPolicyEstimator (Alex Morcos) Tree-SHA512: dbf3bd2b30822e609a35f3da519b62d23f8a50e564750695ddebd08553b4c01874ae3e07d792c6cc78cc377d2db33b951ffedc46ac7edaf5793f9ebb931713af
2017-04-13Merge #9480: De-duplicate SignatureCacheHasherPieter Wuille
f9c8807 Deduplicate SignatureCacheHasher (Jeremy Rubin) Tree-SHA512: 714a0f39d1c836fedd1868369b4ebf1096cd800cc544d57b54101da338c80c627a3e59c6644b3268054efe85053cf1a7be508af935f624491e7acfae61123994
2017-04-12Deduplicate SignatureCacheHasherJeremy Rubin
This moves the SignatureCacheHasher to the sigcache header, out of the anonymous namespace, so that the tests can import it.
2017-04-10Call estimate(Smart)Fee directly from CBlockPolicyEstimatorAlex Morcos
2017-04-10Make feeEstimator its own global instance of CBlockPolicyEstimatorAlex Morcos
2017-04-06MOVEONLY: tx functions to consensus/tx_verify.oJorge Timón
Functions related to transaction verification.
2017-04-03Replace uses of boost::filesystem with fsWladimir J. van der Laan
Step two in abstracting away boost::filesystem. To repeat this, simply run: ``` git ls-files \*.cpp \*.h | xargs sed -i 's/boost::filesystem/fs/g' ```
2017-04-03Replace includes of boost/filesystem.h with fs.hWladimir J. van der Laan
This is step one in abstracting the use of boost::filesystem.
2017-03-30Decrease testcase sizes in cuckoocache testsJeremy Rubin
2017-03-29Add a FastRandomContext::randrange and use itPieter Wuille
2017-03-29Switch FastRandomContext to ChaCha20Pieter Wuille
2017-03-29Add ChaCha20Pieter Wuille
2017-03-22Merge #10045: [trivial] Fix typos in commentsJonas Schnelli
dbf30ff [trivial] Fix typos in comments (practicalswift) Tree-SHA512: a841c96ba1a80ab57206e8ef4fa9b40ecff2244075a5539fc09f57e763bf2e92b0ed089e32a0dbac3902518dcda43d224f75a3462a560148841746560640ba70
2017-03-21[trivial] Fix typos in commentspracticalswift
2017-03-20Move src/test/bitcoin-util-test.py to test/util/bitcoin-util-test.pyJohn Newbery
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