diff options
Diffstat (limited to 'src/script/standard.cpp')
| -rw-r--r-- | src/script/standard.cpp | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/src/script/standard.cpp b/src/script/standard.cpp index 66657127ab..bfef8afa17 100644 --- a/src/script/standard.cpp +++ b/src/script/standard.cpp @@ -51,13 +51,10 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, vector<vector<unsi // Sender provides N pubkeys, receivers provides M signatures mTemplates.insert(make_pair(TX_MULTISIG, CScript() << OP_SMALLINTEGER << OP_PUBKEYS << OP_SMALLINTEGER << OP_CHECKMULTISIG)); - - // Empty, provably prunable, data-carrying output - if (GetBoolArg("-datacarrier", true)) - mTemplates.insert(make_pair(TX_NULL_DATA, CScript() << OP_RETURN << OP_SMALLDATA)); - mTemplates.insert(make_pair(TX_NULL_DATA, CScript() << OP_RETURN)); } + vSolutionsRet.clear(); + // Shortcut for pay-to-script-hash, which are more constrained than the other types: // it is always OP_HASH160 20 [20 byte hash] OP_EQUAL if (scriptPubKey.IsPayToScriptHash()) @@ -68,6 +65,16 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, vector<vector<unsi return true; } + // Provably prunable, data-carrying output + // + // So long as script passes the IsUnspendable() test and all but the first + // byte passes the IsPushOnly() test we don't care what exactly is in the + // script. + if (scriptPubKey.size() >= 1 && scriptPubKey[0] == OP_RETURN && scriptPubKey.IsPushOnly(scriptPubKey.begin()+1)) { + typeRet = TX_NULL_DATA; + return true; + } + // Scan templates const CScript& script1 = scriptPubKey; BOOST_FOREACH(const PAIRTYPE(txnouttype, CScript)& tplate, mTemplates) @@ -140,12 +147,6 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, vector<vector<unsi else break; } - else if (opcode2 == OP_SMALLDATA) - { - // small pushdata, <= nMaxDatacarrierBytes - if (vch1.size() > nMaxDatacarrierBytes) - break; - } else if (opcode1 != opcode2 || vch1 != vch2) { // Others must match exactly @@ -286,6 +287,11 @@ CScript GetScriptForDestination(const CTxDestination& dest) return script; } +CScript GetScriptForRawPubKey(const CPubKey& pubKey) +{ + return CScript() << std::vector<unsigned char>(pubKey.begin(), pubKey.end()) << OP_CHECKSIG; +} + CScript GetScriptForMultisig(int nRequired, const std::vector<CPubKey>& keys) { CScript script; |