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This adds a new CuckooCache in validation, caching whether all of a
transaction's scripts were valid with a given set of script flags.
Unlike previous attempts at caching an entire transaction's
validity, which have nearly universally introduced consensus
failures, this only caches the validity of a transaction's
scriptSigs. As these are pure functions of the transaction and
data it commits to, this should be much safer.
This is somewhat duplicative with the sigcache, as entries in the
new cache will also have several entries in the sigcache. However,
the sigcache is kept both as ATMP relies on it and because it
prevents malleability-based DoS attacks on the new higher-level
cache. Instead, the -sigcachesize option is re-used - cutting the
sigcache size in half and using the newly freed memory for the
script execution cache.
Transactions which match the script execution cache never even have
entries in the script check thread's workqueue created.
Note that the cache is indexed only on the script execution flags
and the transaction's witness hash. While this is sufficient to
make the CScriptCheck() calls pure functions, this introduces
dependancies on the mempool calculating things such as the
PrecomputedTransactionData object, filling the CCoinsViewCache, etc
in the exact same way as ConnectBlock. I belive this is a reasonable
assumption, but should be noted carefully.
In a rather naive benchmark (reindex-chainstate up to block 284k
with cuckoocache always returning true for contains(),
-assumevalid=0 and a very large dbcache), this connected blocks
~1.7x faster.
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8ad5bde Merge bctest.py into bitcoin-util-test.py (John Newbery)
95836c5 Use shared config file for functional and util tests (John Newbery)
89fcd35 Use an .ini config file for environment vars in bitcoin-util-test.py (John Newbery)
e9265df Change help_text in bitcoin-util-test.py to a docstring. (John Newbery)
ce58e93 Change bitcoin-util-test.py to use Python3 (John Newbery)
Tree-SHA512: 66dab0b4a8546aee0dfaef134a165f1447aff4c0ec335754bbc7d9e55909721c62f09cdbf4b22d02ac1fcd5a9b66780f91e1cc4d8687fae7288cc9072a23a78f
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a8c09af Remove unused variables (practicalswift)
Tree-SHA512: 34807dc3a0471c83b086f430b66465602c8f6a3a158b54ace2ec8afb746f1f5907f7dfcde5a4bad4041df9721ec46b61681b2dbf89725c9c8c4c5ad0ca99f78f
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b083db6 [trivial] Fix typo: "occurrences" (misspelled as "occurrances") (practicalswift)
Tree-SHA512: 5141526dbbbbe797ef103fcbdc0a1318648214973214607e35cc0e99abfc4dd547e3ef15fe21976c53a78b03dff140fe76e5c92a0f7e7d2b08081215983a8616
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Fix bugs as per PR comment
Change bool static to static bool
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cf66f04 Add FindEarliestAtLeast test for edge cases (Russell Yanofsky)
Tree-SHA512: bed2e9b2eefe0014414f1be8f0ba236b1dcc6744a670ffa546100c62817dd06a117cc62cdff80c4988d2b374cae9a57f2bb135fc582ffb51ca2d34ab07bb3fe0
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870824e RPC/Mining: Restore API compatibility for prioritisetransaction (Luke Dashjr)
Tree-SHA512: eb507500dc5ba8d17521f34f3d6eae45aa9259c38d15a75dc3e3ad45774ffb53db943be1720a97e6cd5f08e7832801e27ffb636da081a58955018b6f8f9d8fba
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Typo introduced in 000391132608343c66488d62625c714814959bc9:
$ git blame src/coins.cpp | grep occurrances
00039113 (2017-04-25 11:29:29 -0700 89) // deal with the pre-BIP30 occurrances of duplicate coinbase transactions.
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76f7481 Add timeout for headers sync (Suhas Daftuar)
e265200 Delay parallel block download until chain has sufficient work (Suhas Daftuar)
Tree-SHA512: e7f5468b7defe67d4d2d5c976bc129dba2b32b2ea52d3ff33b9cbff5c3b5b799be867653f1bcd354340d707d76dcadf2da4588abf6d6ec4a06672cdc5e1101eb
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8b22af3 Replace bytes_serialized with bogosize (Pieter Wuille)
Tree-SHA512: e70a981bbb977329f9e324c45f9a1346ec9aacfbbad5474e608cdd1f852257502bb7db8003fd578260a609e45d1a9cf87ce96df9c4187d92d50f60a209e232ce
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b463bc9 scripted-diff: s/BIP9DeploymentInfo/VBDeploymentInfo/ (Jorge Timón)
29c0719 Rename -bip9params to -vbparams (shaolinfry)
Tree-SHA512: a8a2bf6e24a4a7fc82f784c78c0cd92472e9ba55ce3fb22dafef3eccdcfccb2da5a6078fbeec1a8a4b6ab1f1b226976c5aba964dd5e3d029a21b109a7c044374
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At startup, we choose one peer to serve us the headers chain, until
our best header is close to caught up. Disconnect this peer if more
than 15 minutes + 1ms/expected_header passes and our best header
is still more than 1 day away from current time.
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164019d Add dumpwallet output test (aideca)
9f82134 Add friendly output to dumpwallet refs #9564 (aideca)
Tree-SHA512: 913fcf18d42eebe34173f1f2519973494b1ad2d86d125ff4bf566d6c64aa501c02f8831e6f44812cd87a46916f61c6f510146af406865b31856d8336c173569f
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4d2d604 Fix importmulti failure to return rescan errors (Russell Yanofsky)
Tree-SHA512: e5e6d6c5a2bb7230e1bcac1903a4b766cd57bf781fade50c6c9cd5713cd3e768db0987cfda9699b57a53d3a0a60951b96dce5283b3d3ec1f954162c439bc932b
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88b8f0b Simplify feebumper minimum fee code slightly (Russell Yanofsky)
Tree-SHA512: 4465daef63936860d016a7fd7fd31ce62878d87cb943a90f321b07a40accdc5e7970d99de46b2bc924eb0b422144d6f01649855949395518790ecd05d300ee52
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8d4f401 Fix timestamp in fee estimate debug message (Alex Morcos)
Tree-SHA512: eb015ddbb9f52f0f84706a16e503d2894dceed4e796979858ca8bdd7f0ec15bf7646ca3f411b06ff099308c91ca498916778e6bd52db00365baaae1d2f4218f2
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9aa215b Bugfixes: missing == 0 after randrange (Pieter Wuille)
Tree-SHA512: 160657ac09553f23ad7a3966c753a30ba938ce6f7ccfd34a4ef0d05d73d712362f7eef97e44a96e37a181b8347caa9d8e1584cc4485f69674ab2de3d8a247373
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This adds the listening address on which incoming connections were received to the
CNode and CNodeStats structures.
The address is reported in `getpeerinfo`.
This can be useful for distinguishing connections received on different listening ports
(e.g. when using a different listening port for Tor hidden service connections)
or different networks.
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CNode::GetRefCount() as const
5f672ca8c net: Denote some CNode functions const (Pavlos Antoniou)
Tree-SHA512: f6d13d8002a4145fd87b34b35a739284e4a9b1af834bba109d324eccddb684eccb817553ba76102eb5b5819cab37f938b4ba74fdbda7c5386d00747b3024cd81
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GetAddressGroupings
b9b814a38 Avoid CWalletTx copies in GetAddressBalances and GetAddressGroupings (Russell Yanofsky)
Tree-SHA512: 96a0612ca460ba1bfb3921f3aa348400fd3afa12c40f2ca1f3f04068b1574fe824d577e0123013d8898a4990084316dc1dfb541331849f0996ceff7f4eb25e6b
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e7c1b44 Squashed 'src/secp256k1/' changes from 8225239..84973d3 (Pieter Wuille)
Tree-SHA512: 3e1ba6e6ad9d68170a1a60bd963f2dbaa8b0ae592cc562e6cd23b2c7653f0b8016e4c682681ae2fb3714106a41f8b89708e16e8f52a42ff3db59fc28262eea0b
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8906a9a0d Fix bumpfee test after #10449 (Russell Yanofsky)
Tree-SHA512: 0838c7696499baf0fb5ee6edf0b081752d6c37578360a7f24a7e9c700598cbc14ff95826f2f5124cca805d2609470a052bc7309211874b13be7ac1ff9e911a34
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589827975 scripted-diff: various renames for per-utxo consistency (Pieter Wuille)
a5e02bc7f Increase travis unit test timeout (Pieter Wuille)
73de2c1ff Rename CCoinsCacheEntry::coins to coin (Pieter Wuille)
119e552f7 Merge CCoinsViewCache's GetOutputFor and AccessCoin (Pieter Wuille)
580b02309 [MOVEONLY] Move old CCoins class to txdb.cpp (Pieter Wuille)
8b25d2c0c Upgrade from per-tx database to per-txout (Pieter Wuille)
b2af357f3 Reduce reserved memory space for flushing (Pieter Wuille)
41aa5b79a Pack Coin more tightly (Pieter Wuille)
97072d668 Remove unused CCoins methods (Pieter Wuille)
ce23efaa5 Extend coins_tests (Pieter Wuille)
508307968 Switch CCoinsView and chainstate db from per-txid to per-txout (Pieter Wuille)
4ec0d9e79 Refactor GetUTXOStats in preparation for per-COutPoint iteration (Pieter Wuille)
13870b56f Replace CCoins-based CTxMemPool::pruneSpent with isSpent (Pieter Wuille)
05293f3cb Remove ModifyCoins/ModifyNewCoins (Pieter Wuille)
961e48397 Switch tests from ModifyCoins to AddCoin/SpendCoin (Pieter Wuille)
8b3868c1b Switch CScriptCheck to use Coin instead of CCoins (Pieter Wuille)
c87b957a3 Only pass things committed to by tx's witness hash to CScriptCheck (Matt Corallo)
f68cdfe92 Switch from per-tx to per-txout CCoinsViewCache methods in some places (Pieter Wuille)
000391132 Introduce new per-txout CCoinsViewCache functions (Pieter Wuille)
bd83111a0 Optimization: Coin&& to ApplyTxInUndo (Pieter Wuille)
cb2c7fdac Replace CTxInUndo with Coin (Pieter Wuille)
422634e2f Introduce Coin, a single unspent output (Pieter Wuille)
7d991b55d Store/allow tx metadata in all undo records (Pieter Wuille)
c3aa0c119 Report on-disk size in gettxoutsetinfo (Pieter Wuille)
d34242430 Remove/ignore tx version in utxo and undo (Pieter Wuille)
7e0032290 Add specialization of SipHash for 256 + 32 bit data (Pieter Wuille)
e484652fc Introduce CHashVerifier to hash read data (Pieter Wuille)
f54580e7e error() in disconnect for disk corruption, not inconsistency (Pieter Wuille)
e66dbde6d Add SizeEstimate to CDBBatch (Pieter Wuille)
Tree-SHA512: ce1fb1e40c77d38915cd02189fab7a8b125c7f44d425c85579d872c3bede3a437760997907c99d7b3017ced1c2de54b2ac7223d99d83a6658fe5ef61edef1de3
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Thanks to John Newberry for pointing these out.
-BEGIN VERIFY SCRIPT-
sed -i 's/\<GetCoins\>/GetCoin/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<HaveCoins\>/HaveCoin/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<HaveCoinsInCache\>/HaveCoinInCache/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<IsPruned\>/IsSpent/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<FetchCoins\>/FetchCoin/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<CoinsEntry\>/CoinEntry/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<vHashTxnToUncache\>/coins_to_uncache/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<vHashTxToUncache\>/coins_to_uncache/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<fHadTxInCache\>/had_coin_in_cache/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<coinbaseids\>/coinbase_coins/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<disconnectedids\>/disconnected_coins/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<duplicateids\>/duplicate_coins/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/\<oldcoins\>/old_coin/g' src/test/coins_tests.cpp
sed -i 's/\<origcoins\>/orig_coin/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
-END VERIFY SCRIPT-
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They're doing the same thing now.
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It's only used for upgrading from the old database anymore.
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As the maximum amount of data that can be pulled into the cache due to
a block validation is much lower now (at most one CCoin entry per input
and per output), reduce the conservative estimate used to determine
flushing time.
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This patch makes several related changes:
* Changes the CCoinsView virtual methods (GetCoins, HaveCoins, ...)
to be COutPoint/Coin-based rather than txid/CCoins-based.
* Changes the chainstate db to a new incompatible format that is also
COutPoint/Coin based.
* Implements reconstruction code for hash_serialized_2.
* Adapts the coins_tests unit tests (thanks to Russell Yanofsky).
A side effect of the new CCoinsView model is that we can no longer
use the (unreliable) test for transaction outputs in the UTXO set
to determine whether we already have a particular transaction.
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Failure reported by Jorge Timón <jtimon@jtimon.cc>
https://github.com/bitcoin/bitcoin/pull/10449#issuecomment-305556569
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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.
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The new functions are:
* CCoinsViewCache::AddCoin: Add a single COutPoint/Coin pair.
* CCoinsViewCache::SpendCoin: Remove a single COutPoint.
* AddCoins: utility function that invokes CCoinsViewCache::AddCoin for
each output in a CTransaction.
* AccessByTxid: utility function that searches for any output with
a given txid.
* CCoinsViewCache::AccessCoin: retrieve the Coin for a COutPoint.
* CCoinsViewCache::HaveCoins: check whether a non-empty Coin exists
for a given COutPoint.
The AddCoin and SpendCoin methods will eventually replace ModifyCoins
and ModifyNewCoins, AddCoins will replace CCoins::FromTx, and the new
AccessCoins and HaveCoins functions will replace their per-txid
counterparts.
Note that AccessCoin for now returns a copy of the Coin object. In a
later commit it will be change to returning a const reference (which
keeps working in all call sites).
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This avoids a prevector copy in ApplyTxInUndo.
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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.
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f128f78 getmempool mempoolminfee is a BTC/KB feerate (Gregory Sanders)
Tree-SHA512: 5b32ffc0d2ba7ca623d4ce450fb67855d17b4fa8c3ffb8570a63dc53b3d476d52b39ad6190ac4357dbf01f6b535fa187cd8c34175a16469e9b00097e3bf2e2bc
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