diff options
Diffstat (limited to 'src/script/sign.cpp')
-rw-r--r-- | src/script/sign.cpp | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/src/script/sign.cpp b/src/script/sign.cpp index 838e502a0a..910bb39ce6 100644 --- a/src/script/sign.cpp +++ b/src/script/sign.cpp @@ -6,7 +6,6 @@ #include <script/sign.h> #include <key.h> -#include <keystore.h> #include <policy/policy.h> #include <primitives/transaction.h> #include <script/standard.h> @@ -15,16 +14,16 @@ typedef std::vector<unsigned char> valtype; -TransactionSignatureCreator::TransactionSignatureCreator(const CKeyStore* keystoreIn, const CTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn, int nHashTypeIn) : BaseSignatureCreator(keystoreIn), txTo(txToIn), nIn(nInIn), nHashType(nHashTypeIn), amount(amountIn), checker(txTo, nIn, amountIn) {} +TransactionSignatureCreator::TransactionSignatureCreator(const SigningProvider* provider, const CTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn, int nHashTypeIn) : BaseSignatureCreator(provider), txTo(txToIn), nIn(nInIn), nHashType(nHashTypeIn), amount(amountIn), checker(txTo, nIn, amountIn) {} bool TransactionSignatureCreator::CreateSig(std::vector<unsigned char>& vchSig, const CKeyID& address, const CScript& scriptCode, SigVersion sigversion) const { CKey key; - if (!keystore->GetKey(address, key)) + if (!m_provider->GetKey(address, key)) return false; // Signing with uncompressed keys is disabled in witness scripts - if (sigversion == SIGVERSION_WITNESS_V0 && !key.IsCompressed()) + if (sigversion == SigVersion::WITNESS_V0 && !key.IsCompressed()) return false; uint256 hash = SignatureHash(scriptCode, *txTo, nIn, nHashType, amount, sigversion); @@ -91,12 +90,12 @@ static bool SignStep(const BaseSignatureCreator& creator, const CScript& scriptP else { CPubKey vch; - creator.KeyStore().GetPubKey(keyID, vch); + creator.Provider().GetPubKey(keyID, vch); ret.push_back(ToByteVector(vch)); } return true; case TX_SCRIPTHASH: - if (creator.KeyStore().GetCScript(uint160(vSolutions[0]), scriptRet)) { + if (creator.Provider().GetCScript(uint160(vSolutions[0]), scriptRet)) { ret.push_back(std::vector<unsigned char>(scriptRet.begin(), scriptRet.end())); return true; } @@ -112,7 +111,7 @@ static bool SignStep(const BaseSignatureCreator& creator, const CScript& scriptP case TX_WITNESS_V0_SCRIPTHASH: CRIPEMD160().Write(&vSolutions[0][0], vSolutions[0].size()).Finalize(h160.begin()); - if (creator.KeyStore().GetCScript(h160, scriptRet)) { + if (creator.Provider().GetCScript(h160, scriptRet)) { ret.push_back(std::vector<unsigned char>(scriptRet.begin(), scriptRet.end())); return true; } @@ -140,10 +139,9 @@ static CScript PushAll(const std::vector<valtype>& values) bool ProduceSignature(const BaseSignatureCreator& creator, const CScript& fromPubKey, SignatureData& sigdata) { - CScript script = fromPubKey; std::vector<valtype> result; txnouttype whichType; - bool solved = SignStep(creator, script, result, whichType, SIGVERSION_BASE); + bool solved = SignStep(creator, fromPubKey, result, whichType, SigVersion::BASE); bool P2SH = false; CScript subscript; sigdata.scriptWitness.stack.clear(); @@ -153,8 +151,8 @@ bool ProduceSignature(const BaseSignatureCreator& creator, const CScript& fromPu // Solver returns the subscript that needs to be evaluated; // the final scriptSig is the signatures from that // and then the serialized subscript: - script = subscript = CScript(result[0].begin(), result[0].end()); - solved = solved && SignStep(creator, script, result, whichType, SIGVERSION_BASE) && whichType != TX_SCRIPTHASH; + subscript = CScript(result[0].begin(), result[0].end()); + solved = solved && SignStep(creator, subscript, result, whichType, SigVersion::BASE) && whichType != TX_SCRIPTHASH; P2SH = true; } @@ -163,7 +161,7 @@ bool ProduceSignature(const BaseSignatureCreator& creator, const CScript& fromPu CScript witnessscript; witnessscript << OP_DUP << OP_HASH160 << ToByteVector(result[0]) << OP_EQUALVERIFY << OP_CHECKSIG; txnouttype subType; - solved = solved && SignStep(creator, witnessscript, result, subType, SIGVERSION_WITNESS_V0); + solved = solved && SignStep(creator, witnessscript, result, subType, SigVersion::WITNESS_V0); sigdata.scriptWitness.stack = result; result.clear(); } @@ -171,7 +169,7 @@ bool ProduceSignature(const BaseSignatureCreator& creator, const CScript& fromPu { CScript witnessscript(result[0].begin(), result[0].end()); txnouttype subType; - solved = solved && SignStep(creator, witnessscript, result, subType, SIGVERSION_WITNESS_V0) && subType != TX_SCRIPTHASH && subType != TX_WITNESS_V0_SCRIPTHASH && subType != TX_WITNESS_V0_KEYHASH; + solved = solved && SignStep(creator, witnessscript, result, subType, SigVersion::WITNESS_V0) && subType != TX_SCRIPTHASH && subType != TX_WITNESS_V0_SCRIPTHASH && subType != TX_WITNESS_V0_KEYHASH; result.push_back(std::vector<unsigned char>(witnessscript.begin(), witnessscript.end())); sigdata.scriptWitness.stack = result; result.clear(); @@ -195,19 +193,24 @@ SignatureData DataFromTransaction(const CMutableTransaction& tx, unsigned int nI return data; } +void UpdateInput(CTxIn& input, const SignatureData& data) +{ + input.scriptSig = data.scriptSig; + input.scriptWitness = data.scriptWitness; +} + void UpdateTransaction(CMutableTransaction& tx, unsigned int nIn, const SignatureData& data) { assert(tx.vin.size() > nIn); - tx.vin[nIn].scriptSig = data.scriptSig; - tx.vin[nIn].scriptWitness = data.scriptWitness; + UpdateInput(tx.vin[nIn], data); } -bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CMutableTransaction& txTo, unsigned int nIn, const CAmount& amount, int nHashType) +bool SignSignature(const SigningProvider &provider, const CScript& fromPubKey, CMutableTransaction& txTo, unsigned int nIn, const CAmount& amount, int nHashType) { assert(nIn < txTo.vin.size()); CTransaction txToConst(txTo); - TransactionSignatureCreator creator(&keystore, &txToConst, nIn, amount, nHashType); + TransactionSignatureCreator creator(&provider, &txToConst, nIn, amount, nHashType); SignatureData sigdata; bool ret = ProduceSignature(creator, fromPubKey, sigdata); @@ -215,14 +218,14 @@ bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CMutabl return ret; } -bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType) +bool SignSignature(const SigningProvider &provider, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType) { assert(nIn < txTo.vin.size()); CTxIn& txin = txTo.vin[nIn]; assert(txin.prevout.n < txFrom.vout.size()); const CTxOut& txout = txFrom.vout[txin.prevout.n]; - return SignSignature(keystore, txout.scriptPubKey, txTo, nIn, txout.nValue, nHashType); + return SignSignature(provider, txout.scriptPubKey, txTo, nIn, txout.nValue, nHashType); } static std::vector<valtype> CombineMultisig(const CScript& scriptPubKey, const BaseSignatureChecker& checker, @@ -290,7 +293,7 @@ struct Stacks Stacks() {} explicit Stacks(const std::vector<valtype>& scriptSigStack_) : script(scriptSigStack_), witness() {} explicit Stacks(const SignatureData& data) : witness(data.scriptWitness.stack) { - EvalScript(script, data.scriptSig, SCRIPT_VERIFY_STRICTENC, BaseSignatureChecker(), SIGVERSION_BASE); + EvalScript(script, data.scriptSig, SCRIPT_VERIFY_STRICTENC, BaseSignatureChecker(), SigVersion::BASE); } SignatureData Output() const { @@ -366,7 +369,7 @@ static Stacks CombineSignatures(const CScript& scriptPubKey, const BaseSignature sigs2.witness.pop_back(); sigs2.script = sigs2.witness; sigs2.witness.clear(); - Stacks result = CombineSignatures(pubKey2, checker, txType2, vSolutions2, sigs1, sigs2, SIGVERSION_WITNESS_V0); + Stacks result = CombineSignatures(pubKey2, checker, txType2, vSolutions2, sigs1, sigs2, SigVersion::WITNESS_V0); result.witness = result.script; result.script.clear(); result.witness.push_back(valtype(pubKey2.begin(), pubKey2.end())); @@ -384,7 +387,7 @@ SignatureData CombineSignatures(const CScript& scriptPubKey, const BaseSignature std::vector<std::vector<unsigned char> > vSolutions; Solver(scriptPubKey, txType, vSolutions); - return CombineSignatures(scriptPubKey, checker, txType, vSolutions, Stacks(scriptSig1), Stacks(scriptSig2), SIGVERSION_BASE).Output(); + return CombineSignatures(scriptPubKey, checker, txType, vSolutions, Stacks(scriptSig1), Stacks(scriptSig2), SigVersion::BASE).Output(); } namespace { @@ -423,13 +426,13 @@ bool DummySignatureCreator::CreateSig(std::vector<unsigned char>& vchSig, const return true; } -bool IsSolvable(const CKeyStore& store, const CScript& script) +bool IsSolvable(const SigningProvider& provider, const CScript& script) { // This check is to make sure that the script we created can actually be solved for and signed by us // if we were to have the private keys. This is just to make sure that the script is valid and that, // if found in a transaction, we would still accept and relay that transaction. In particular, // it will reject witness outputs that require signing with an uncompressed public key. - DummySignatureCreator creator(&store); + DummySignatureCreator creator(&provider); SignatureData sigs; // Make sure that STANDARD_SCRIPT_VERIFY_FLAGS includes SCRIPT_VERIFY_WITNESS_PUBKEYTYPE, the most // important property this function is designed to test for. |