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2014-12-27Fix CScriptID(const CScript& in) in empty script casePeter Todd
Previously an empty script wouldn't be hashed, and CScriptID would be assigned the incorrect value of 0 instead. This bug can be seen in the RPC decodescript command: $ btc decodescript "" { "asm" : "", "type" : "nonstandard", "p2sh" : "31h1vYVSYuKP6AhS86fbRdMw9XHieotbST" } Correct output: $ btc decodescript "" { "asm" : "", "type" : "nonstandard", "p2sh" : "3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy" } Rebased-From: d78f0dafd520f481f909cca7e361a4e482cbea72 Github-Pull: #5541
2014-12-05Normalize header guard of script_error.hPavel Janík
2014-12-03MOVEONLY: core/ -> primitives/Luke Dashjr
2014-12-01Merge pull request #5227Wladimir J. van der Laan
4cdaa95 Resize after succesful result (Pieter Wuille) 9d8604f Header define style cleanups (Pieter Wuille) a53fd41 Deterministic signing (Pieter Wuille) 3060e36 Add the RFC6979 PRNG (Pieter Wuille) a8f5087 Add HMAC-SHA256 (Pieter Wuille) 36fa4a7 Split up crypto/sha2 (Pieter Wuille)
2014-11-24libbitcoinconsensus: don't require any global constructorsCory Fields
These static objects are only used in once place, so declare them there instead.
2014-11-20Split up crypto/sha2Pieter Wuille
2014-11-20Test the exact order of CHECKMULTISIG sig/pubkey evaluationPeter Todd
Possible with STRICTENC
2014-11-20Make STRICTENC invalid pubkeys fail the script rather than the opcode.Pieter Wuille
This turns STRICTENC turn into a softforking-safe change (even though it is not intended as a consensus rule), and as a result guarantee that using it for mempool validation only results in consensus-valid transactions in the mempool.
2014-11-20Merge pull request #5000Pieter Wuille
0391423 Discourage NOPs reserved for soft-fork upgrades (Peter Todd)
2014-11-19build: add libbitcoinconsensus files and hook up the lib buildCory Fields
Credit BlueMatt for libbitcoinsonsensus.h/cpp
2014-11-17Discourage NOPs reserved for soft-fork upgradesPeter Todd
NOP1 to NOP10 are reserved for future soft-fork upgrades. In the event of an upgrade such NOPs have *VERIFY behavior, meaning that if their arguments are not correct the script fails. Discouraging these NOPs by rejecting transactions containing them from the mempool ensures that we'll never accept transactions, nor mine blocks, with scripts that are now invalid according to the majority of hashing power even if we're not yet upgraded. Previously this wasn't an issue as the IsStandard() rules didn't allow upgradable NOPs anyway, but 7f3b4e95 relaxed the IsStandard() rules for P2SH redemptions allowing any redeemScript to be spent. We *do* allow upgradable NOPs in scripts so long as they are not executed. This is harmless as there is no opportunity for the script to be invalid post-upgrade.
2014-11-14script: create sane error return codes for script validation and remove loggingCory Fields
Attempt to codify the possible error statuses associated with script validation. script/types.h has been created with the expectation that it will be part of the public lib interface. The other flag enums will be moved here in a future commit. Logging has also been removed in order to drop the dependency on core.h. It can be re-added to bitcoind as-needed. This makes script verification finally free of application state and boost!
2014-11-10Make comments in /src/script doxygen compatibleMichael Ford
2014-11-04Avoid a bunch of copying/conversion in script/signPieter Wuille
2014-11-04minor code style cleanup after recent mergesPhilip Kaufmann
- add a missing license header - correct some header orderings etc.
2014-11-04Merge pull request #5196Wladimir J. van der Laan
8473862 Fix all header defines (Pavel Janík)
2014-11-04Merge pull request #5162Wladimir J. van der Laan
d2e74c5 boost: moveonly: split CPubKey and friends to new files (Cory Fields) 78c228c boost: moveonly: move BIP32Hash to hash.h (Cory Fields) 900078a boost: moveonly: create eccryptoverify.h|cpp and move helper functions there (Cory Fields)
2014-11-03Fix all header definesPavel Janík
2014-10-31Merge pull request #5077Wladimir J. van der Laan
2aa6329 Enable customising node policy for datacarrier data size with a -datacarriersize option (Luke Dashjr)
2014-10-31boost: moveonly: split CPubKey and friends to new filesCory Fields
2014-10-31boost: moveonly: create eccryptoverify.h|cpp and move helper functions thereCory Fields
Eventually (after 0.10) these files will hold the logic for crypto verification routines, and CKey/CPubKey will call into them.
2014-10-28Merge pull request #5100Pieter Wuille
99f41b9 MOVEONLY: core.o -> core/block.o (jtimon) 561e9e9 MOVEONLY: Move script/compressor out of script and put CTxOutCompressor (from core) with it (jtimon) 999a2ab MOVEONLY: separate CTxUndo out of core (jtimon) 4a3587d MOVEONLY: Separate CTransaction and dependencies from core (jtimon) eda3733 MOVEONLY: Move CFeeRate and Amount constants to amount.o (jtimon)
2014-10-27MOVEONLY: Move script/compressor out of script and put CTxOutCompressor (fromjtimon
core) with it
2014-10-27MOVEONLY: Separate CTransaction and dependencies from corejtimon
2014-10-27Enable customising node policy for datacarrier data size with a ↵Luke Dashjr
-datacarriersize option
2014-10-25Improve CScriptNum() commentPeter Todd
Edited-by: Pieter Wuille <pieter.wuille@gmail.com>
2014-10-25Add SCRIPT_VERIFY_MINIMALDATA (BIP62 rules 3 and 4)Pieter Wuille
Also use the new flag as a standard rule, and replace the IsCanonicalPush standardness check with it (as it is more complete).
2014-10-25Add SCRIPT_VERIFY_SIGPUSHONLY (BIP62 rule 2)Pieter Wuille
2014-10-23fix build with libc++ after 85c579eCory Fields
2014-10-17script: add a slew of includes all around and drop includes from script.hCory Fields
Lots of files ended up with indirect includes from script.h.
2014-10-17script: move ToString and ValueString out of the headerCory Fields
2014-10-17script: add ToByteVector() for converting anything with begin/endCory Fields
This should move to a util header once their dependencies are cleaned up.
2014-10-17script: move CScriptID to standard.h and add a ctor for creating them from ↵Cory Fields
CScripts This allows for a reversal of the current behavior. This: CScript foo; CScriptID bar(foo.GetID()); Becomes: CScript foo; CScriptID bar(foo); This way, CScript is no longer dependent on CScriptID or Hash();
2014-10-08Make SCRIPT_VERIFY_STRICTENC compatible with BIP62Pieter Wuille
* Delete canonical_tests.cpp, and move the tests to script_tests.cpp. * Split off SCRIPT_VERIFY_DERSIG from SCRIPT_VERIFY_STRICTENC (the BIP62 part of it). * Change signature STRICTENC/DERSIG semantics to fail the script entirely rather than the CHECKSIG result (softfork safety, and BIP62 requirement). * Add many autogenerated tests for several odd cases. * Mention specific BIP62 rules in the script verification flags.
2014-10-07Merge pull request #4954Wladimir J. van der Laan
9d7cd4c Don't return an address for invalid pubkeys (Andy Alness)
2014-10-06Don't return an address for invalid pubkeysAndy Alness
2014-10-06minor license, header end comment etc. cleanup in /scriptPhilip Kaufmann
- ensure all licenses are just MIT - add a missing header end comment - ensure alphabetical ordering
2014-10-02Replace SCRIPT_VERIFY_NOCACHE by flag directly to checkerPieter Wuille
2014-10-02Make signature cache optionalPieter Wuille
2014-10-02Abstract out SignatureCheckerPieter Wuille
2014-09-25script: don't read past the endCory Fields
2014-09-25Merge pull request #4969Wladimir J. van der Laan
cda45b5 Reinitializing list's begin iterator after few elements were erased from the head (ENikS)
2014-09-25Fixing C4146 warningENikS
Rebased-By: Wladimir J. van der Laan <laanwj@gmail.com>
2014-09-25script: Fix reference into empty vector run time exceptionENikS
Edit by laanwj: `begin_ptr(sourcedata) + sourcedata.size()` -> `end_ptr(sourcedata)`
2014-09-23Reinitializing list's begin iterator after few elements were erased from the ↵ENikS
head
2014-09-19Fixing condition 'sabotaging' MSVC buildENikS
2014-09-17Merge pull request #4555Wladimir J. van der Laan
6dcfda2 Don't pass nHashType to EvalScript nor CheckSig (jtimon) 2b23a87 Don't pass nHashType to VerifyScript (jtimon) ce3649fb Remove CScriptCheck::nHashType (was always 0) (jtimon) 358562b Remove unused function main:VerifySignature (jtimon)
2014-09-16Move CTxDestination from script/script to script/standardPieter Wuille
2014-09-14cleanup new script files (no code changes)Philip Kaufmann
- add missing header end comments - ensure alphabetical ordering - update copyright year and license
2014-09-12Don't pass nHashType to EvalScript nor CheckSigjtimon
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