diff options
Diffstat (limited to 'src/script.cpp')
-rw-r--r-- | src/script.cpp | 92 |
1 files changed, 52 insertions, 40 deletions
diff --git a/src/script.cpp b/src/script.cpp index ac6d4b316f..238a25e72d 100644 --- a/src/script.cpp +++ b/src/script.cpp @@ -9,6 +9,9 @@ #include "hash.h" #include "key.h" #include "keystore.h" +#include "crypto/sha1.h" +#include "crypto/sha2.h" +#include "crypto/ripemd160.h" #include "sync.h" #include "uint256.h" #include "util.h" @@ -208,14 +211,13 @@ const char* GetOpName(opcodetype opcode) case OP_NOP9 : return "OP_NOP9"; case OP_NOP10 : return "OP_NOP10"; + case OP_INVALIDOPCODE : return "OP_INVALIDOPCODE"; + // Note: + // The template matching params OP_SMALLDATA/etc are defined in opcodetype enum + // as kind of implementation hack, they are *NOT* real opcodes. If found in real + // Script, just let the default: case deal with them. - // template matching params - case OP_PUBKEYHASH : return "OP_PUBKEYHASH"; - case OP_PUBKEY : return "OP_PUBKEY"; - case OP_SMALLDATA : return "OP_SMALLDATA"; - - case OP_INVALIDOPCODE : return "OP_INVALIDOPCODE"; default: return "OP_UNKNOWN"; } @@ -802,21 +804,15 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co valtype& vch = stacktop(-1); valtype vchHash((opcode == OP_RIPEMD160 || opcode == OP_SHA1 || opcode == OP_HASH160) ? 20 : 32); if (opcode == OP_RIPEMD160) - RIPEMD160(&vch[0], vch.size(), &vchHash[0]); + CRIPEMD160().Write(&vch[0], vch.size()).Finalize(&vchHash[0]); else if (opcode == OP_SHA1) - SHA1(&vch[0], vch.size(), &vchHash[0]); + CSHA1().Write(&vch[0], vch.size()).Finalize(&vchHash[0]); else if (opcode == OP_SHA256) - SHA256(&vch[0], vch.size(), &vchHash[0]); + CSHA256().Write(&vch[0], vch.size()).Finalize(&vchHash[0]); else if (opcode == OP_HASH160) - { - uint160 hash160 = Hash160(vch); - memcpy(&vchHash[0], &hash160, sizeof(hash160)); - } + CHash160().Write(&vch[0], vch.size()).Finalize(&vchHash[0]); else if (opcode == OP_HASH256) - { - uint256 hash = Hash(vch.begin(), vch.end()); - memcpy(&vchHash[0], &hash, sizeof(hash)); - } + CHash256().Write(&vch[0], vch.size()).Finalize(&vchHash[0]); popstack(stack); stack.push_back(vchHash); } @@ -839,10 +835,6 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co valtype& vchSig = stacktop(-2); valtype& vchPubKey = stacktop(-1); - ////// debug print - //PrintHex(vchSig.begin(), vchSig.end(), "sig: %s\n"); - //PrintHex(vchPubKey.begin(), vchPubKey.end(), "pubkey: %s\n"); - // Subset of script starting at the most recent codeseparator CScript scriptCode(pbegincodehash, pend); @@ -982,6 +974,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co namespace { + /** Wrapper that serializes like CTransaction, but with the modifications * required for the signature hash done in-place */ @@ -1074,7 +1067,8 @@ public: ::Serialize(s, txTo.nLockTime, nType, nVersion); } }; -} + +} // anon namespace uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType) { @@ -1100,7 +1094,6 @@ uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsig return ss.GetHash(); } - // Valid signature cache, to avoid doing expensive ECDSA signature checking // twice for every transaction (once when accepted into memory pool, and // again when accepted into the block chain) @@ -1216,7 +1209,8 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, vector<vector<unsi mTemplates.insert(make_pair(TX_MULTISIG, CScript() << OP_SMALLINTEGER << OP_PUBKEYS << OP_SMALLINTEGER << OP_CHECKMULTISIG)); // Empty, provably prunable, data-carrying output - mTemplates.insert(make_pair(TX_NULL_DATA, CScript() << OP_RETURN << OP_SMALLDATA)); + 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)); } @@ -1462,36 +1456,49 @@ public: bool operator()(const CScriptID &scriptID) const { return keystore->HaveCScript(scriptID); } }; -bool IsMine(const CKeyStore &keystore, const CTxDestination &dest) +isminetype IsMine(const CKeyStore &keystore, const CTxDestination& dest) { - return boost::apply_visitor(CKeyStoreIsMineVisitor(&keystore), dest); + CScript script; + script.SetDestination(dest); + return IsMine(keystore, script); } -bool IsMine(const CKeyStore &keystore, const CScript& scriptPubKey) +isminetype IsMine(const CKeyStore &keystore, const CScript& scriptPubKey) { vector<valtype> vSolutions; txnouttype whichType; - if (!Solver(scriptPubKey, whichType, vSolutions)) - return false; + if (!Solver(scriptPubKey, whichType, vSolutions)) { + if (keystore.HaveWatchOnly(scriptPubKey)) + return ISMINE_WATCH_ONLY; + return ISMINE_NO; + } CKeyID keyID; switch (whichType) { case TX_NONSTANDARD: case TX_NULL_DATA: - return false; + break; case TX_PUBKEY: keyID = CPubKey(vSolutions[0]).GetID(); - return keystore.HaveKey(keyID); + if (keystore.HaveKey(keyID)) + return ISMINE_SPENDABLE; + break; case TX_PUBKEYHASH: keyID = CKeyID(uint160(vSolutions[0])); - return keystore.HaveKey(keyID); + if (keystore.HaveKey(keyID)) + return ISMINE_SPENDABLE; + break; case TX_SCRIPTHASH: { + CScriptID scriptID = CScriptID(uint160(vSolutions[0])); CScript subscript; - if (!keystore.GetCScript(CScriptID(uint160(vSolutions[0])), subscript)) - return false; - return IsMine(keystore, subscript); + if (keystore.GetCScript(scriptID, subscript)) { + isminetype ret = IsMine(keystore, subscript); + if (ret == ISMINE_SPENDABLE) + return ret; + } + break; } case TX_MULTISIG: { @@ -1501,10 +1508,15 @@ bool IsMine(const CKeyStore &keystore, const CScript& scriptPubKey) // them) enable spend-out-from-under-you attacks, especially // in shared-wallet situations. vector<valtype> keys(vSolutions.begin()+1, vSolutions.begin()+vSolutions.size()-1); - return HaveKeys(keys, keystore) == keys.size(); + if (HaveKeys(keys, keystore) == keys.size()) + return ISMINE_SPENDABLE; + break; } } - return false; + + if (keystore.HaveWatchOnly(scriptPubKey)) + return ISMINE_WATCH_ONLY; + return ISMINE_NO; } bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet) @@ -1644,7 +1656,7 @@ bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const C } -bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CTransaction& txTo, unsigned int nIn, int nHashType) +bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CMutableTransaction& txTo, unsigned int nIn, int nHashType) { assert(nIn < txTo.vin.size()); CTxIn& txin = txTo.vin[nIn]; @@ -1679,7 +1691,7 @@ bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CTransa return VerifyScript(txin.scriptSig, fromPubKey, txTo, nIn, STANDARD_SCRIPT_VERIFY_FLAGS, 0); } -bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType) +bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType) { assert(nIn < txTo.vin.size()); CTxIn& txin = txTo.vin[nIn]; @@ -1697,7 +1709,7 @@ static CScript PushAll(const vector<valtype>& values) return result; } -static CScript CombineMultisig(CScript scriptPubKey, const CTransaction& txTo, unsigned int nIn, +static CScript CombineMultisig(CScript scriptPubKey, const CMutableTransaction& txTo, unsigned int nIn, const vector<valtype>& vSolutions, vector<valtype>& sigs1, vector<valtype>& sigs2) { |