diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/src/main.cpp b/src/main.cpp index f0e5183e9..f78133b53 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2011 The Bitcoin developers +// Copyright (c) 2009-2012 The Bitcoin developers // Distributed under the MIT/X11 software license, see the accompanying // file license.txt or http://www.opensource.org/licenses/mit-license.php. #include "headers.h" @@ -52,6 +52,8 @@ multimap<uint256, CBlock*> mapOrphanBlocksByPrev; map<uint256, CDataStream*> mapOrphanTransactions; multimap<uint256, CDataStream*> mapOrphanTransactionsByPrev; +// Constant stuff for coinbase transactions we create: +CScript COINBASE_FLAGS; const string strMessageMagic = "Bitcoin Signed Message:\n"; @@ -293,18 +295,33 @@ bool CTransaction::AreInputsStandard(const MapPrevTx& mapInputs) const const CScript& prevScript = prev.scriptPubKey; if (!Solver(prevScript, whichType, vSolutions)) return false; + int nArgsExpected = ScriptSigArgsExpected(whichType, vSolutions); + + // Transactions with extra stuff in their scriptSigs are + // non-standard. Note that this EvalScript() call will + // be quick, because if there are any operations + // beside "push data" in the scriptSig the + // IsStandard() call returns false + vector<vector<unsigned char> > stack; + if (!EvalScript(stack, vin[i].scriptSig, *this, i, 0)) + return false; + if (whichType == TX_SCRIPTHASH) { - vector<vector<unsigned char> > stack; - - if (!EvalScript(stack, vin[i].scriptSig, *this, i, 0)) - return false; if (stack.empty()) return false; CScript subscript(stack.back().begin(), stack.back().end()); - if (!::IsStandard(subscript)) + vector<vector<unsigned char> > vSolutions2; + txnouttype whichType2; + if (!Solver(subscript, whichType2, vSolutions2)) return false; + if (whichType2 == TX_SCRIPTHASH) + return false; + nArgsExpected += ScriptSigArgsExpected(whichType2, vSolutions2); } + + if (stack.size() != nArgsExpected) + return false; } return true; @@ -1213,8 +1230,9 @@ bool CBlock::ConnectBlock(CTxDB& txdb, CBlockIndex* pindex) // To avoid being on the short end of a block-chain split, // don't do secondary validation of pay-to-script-hash transactions - // until blocks with timestamps after paytoscripthashtime: - int64 nEvalSwitchTime = GetArg("-paytoscripthashtime", 1329264000); // Feb 15, 2012 + // until blocks with timestamps after paytoscripthashtime (see init.cpp for default). + // This code can be removed once a super-majority of the network has upgraded. + int64 nEvalSwitchTime = GetArg("-paytoscripthashtime", std::numeric_limits<int64_t>::max()); bool fStrictPayToScriptHash = (pindex->nTime >= nEvalSwitchTime); //// issue here: it doesn't know the version |