diff options
Diffstat (limited to 'src/script')
-rw-r--r-- | src/script/bitcoinconsensus.cpp | 2 | ||||
-rw-r--r-- | src/script/interpreter.cpp | 38 | ||||
-rw-r--r-- | src/script/interpreter.h | 6 | ||||
-rw-r--r-- | src/script/ismine.cpp | 10 | ||||
-rw-r--r-- | src/script/ismine.h | 10 | ||||
-rw-r--r-- | src/script/sign.cpp | 48 | ||||
-rw-r--r-- | src/script/sign.h | 34 |
7 files changed, 83 insertions, 65 deletions
diff --git a/src/script/bitcoinconsensus.cpp b/src/script/bitcoinconsensus.cpp index 7d3587e2c2..8cc44b675f 100644 --- a/src/script/bitcoinconsensus.cpp +++ b/src/script/bitcoinconsensus.cpp @@ -40,7 +40,7 @@ public: } template<typename T> - TxInputStream& operator>>(T& obj) + TxInputStream& operator>>(T&& obj) { ::Unserialize(*this, obj); return *this; diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp index 2cdff7ee57..07b2292d46 100644 --- a/src/script/interpreter.cpp +++ b/src/script/interpreter.cpp @@ -110,7 +110,7 @@ bool static IsValidSignatureEncoding(const std::vector<unsigned char> &sig) { // excluding the sighash byte. // * R-length: 1-byte length descriptor of the R value that follows. // * R: arbitrary-length big-endian encoded R value. It must use the shortest - // possible encoding for a positive integers (which means no null bytes at + // possible encoding for a positive integer (which means no null bytes at // the start, except a single one when the next byte has its highest bit set). // * S-length: 1-byte length descriptor of the S value that follows. // * S: arbitrary-length big-endian encoded S value. The same rules apply. @@ -219,30 +219,32 @@ bool static CheckPubKeyEncoding(const valtype &vchPubKey, unsigned int flags, co return set_error(serror, SCRIPT_ERR_PUBKEYTYPE); } // Only compressed keys are accepted in segwit - if ((flags & SCRIPT_VERIFY_WITNESS_PUBKEYTYPE) != 0 && sigversion == SIGVERSION_WITNESS_V0 && !IsCompressedPubKey(vchPubKey)) { + if ((flags & SCRIPT_VERIFY_WITNESS_PUBKEYTYPE) != 0 && sigversion == SigVersion::WITNESS_V0 && !IsCompressedPubKey(vchPubKey)) { return set_error(serror, SCRIPT_ERR_WITNESS_PUBKEYTYPE); } return true; } bool static CheckMinimalPush(const valtype& data, opcodetype opcode) { + // Excludes OP_1NEGATE, OP_1-16 since they are by definition minimal + assert(0 <= opcode && opcode <= OP_PUSHDATA4); if (data.size() == 0) { - // Could have used OP_0. + // Should have used OP_0. return opcode == OP_0; } else if (data.size() == 1 && data[0] >= 1 && data[0] <= 16) { - // Could have used OP_1 .. OP_16. - return opcode == OP_1 + (data[0] - 1); + // Should have used OP_1 .. OP_16. + return false; } else if (data.size() == 1 && data[0] == 0x81) { - // Could have used OP_1NEGATE. - return opcode == OP_1NEGATE; + // Should have used OP_1NEGATE. + return false; } else if (data.size() <= 75) { - // Could have used a direct push (opcode indicating number of bytes pushed + those bytes). + // Must have used a direct push (opcode indicating number of bytes pushed + those bytes). return opcode == data.size(); } else if (data.size() <= 255) { - // Could have used OP_PUSHDATA. + // Must have used OP_PUSHDATA. return opcode == OP_PUSHDATA1; } else if (data.size() <= 65535) { - // Could have used OP_PUSHDATA2. + // Must have used OP_PUSHDATA2. return opcode == OP_PUSHDATA2; } return true; @@ -441,7 +443,7 @@ bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& if (stack.size() < 1) return set_error(serror, SCRIPT_ERR_UNBALANCED_CONDITIONAL); valtype& vch = stacktop(-1); - if (sigversion == SIGVERSION_WITNESS_V0 && (flags & SCRIPT_VERIFY_MINIMALIF)) { + if (sigversion == SigVersion::WITNESS_V0 && (flags & SCRIPT_VERIFY_MINIMALIF)) { if (vch.size() > 1) return set_error(serror, SCRIPT_ERR_MINIMALIF); if (vch.size() == 1 && vch[0] != 1) @@ -888,7 +890,7 @@ bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& CScript scriptCode(pbegincodehash, pend); // Drop the signature in pre-segwit scripts but not segwit scripts - if (sigversion == SIGVERSION_BASE) { + if (sigversion == SigVersion::BASE) { scriptCode.FindAndDelete(CScript(vchSig)); } @@ -952,7 +954,7 @@ bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& for (int k = 0; k < nSigsCount; k++) { valtype& vchSig = stacktop(-isig-k); - if (sigversion == SIGVERSION_BASE) { + if (sigversion == SigVersion::BASE) { scriptCode.FindAndDelete(CScript(vchSig)); } } @@ -1180,7 +1182,7 @@ uint256 SignatureHash(const CScript& scriptCode, const CTransaction& txTo, unsig { assert(nIn < txTo.vin.size()); - if (sigversion == SIGVERSION_WITNESS_V0) { + if (sigversion == SigVersion::WITNESS_V0) { uint256 hashPrevouts; uint256 hashSequence; uint256 hashOutputs; @@ -1394,7 +1396,7 @@ static bool VerifyWitnessProgram(const CScriptWitness& witness, int witversion, return set_error(serror, SCRIPT_ERR_PUSH_SIZE); } - if (!EvalScript(stack, scriptPubKey, flags, checker, SIGVERSION_WITNESS_V0, serror)) { + if (!EvalScript(stack, scriptPubKey, flags, checker, SigVersion::WITNESS_V0, serror)) { return false; } @@ -1421,12 +1423,12 @@ bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const C } std::vector<std::vector<unsigned char> > stack, stackCopy; - if (!EvalScript(stack, scriptSig, flags, checker, SIGVERSION_BASE, serror)) + if (!EvalScript(stack, scriptSig, flags, checker, SigVersion::BASE, serror)) // serror is set return false; if (flags & SCRIPT_VERIFY_P2SH) stackCopy = stack; - if (!EvalScript(stack, scriptPubKey, flags, checker, SIGVERSION_BASE, serror)) + if (!EvalScript(stack, scriptPubKey, flags, checker, SigVersion::BASE, serror)) // serror is set return false; if (stack.empty()) @@ -1472,7 +1474,7 @@ bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const C CScript pubKey2(pubKeySerialized.begin(), pubKeySerialized.end()); popstack(stack); - if (!EvalScript(stack, pubKey2, flags, checker, SIGVERSION_BASE, serror)) + if (!EvalScript(stack, pubKey2, flags, checker, SigVersion::BASE, serror)) // serror is set return false; if (stack.empty()) diff --git a/src/script/interpreter.h b/src/script/interpreter.h index 4dad6b44c5..bb7750d783 100644 --- a/src/script/interpreter.h +++ b/src/script/interpreter.h @@ -123,10 +123,10 @@ struct PrecomputedTransactionData explicit PrecomputedTransactionData(const CTransaction& tx); }; -enum SigVersion +enum class SigVersion { - SIGVERSION_BASE = 0, - SIGVERSION_WITNESS_V0 = 1, + BASE = 0, + WITNESS_V0 = 1, }; uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType, const CAmount& amount, SigVersion sigversion, const PrecomputedTransactionData* cache = nullptr); diff --git a/src/script/ismine.cpp b/src/script/ismine.cpp index 35d794b983..05bc5e9bd6 100644 --- a/src/script/ismine.cpp +++ b/src/script/ismine.cpp @@ -61,7 +61,7 @@ isminetype IsMine(const CKeyStore &keystore, const CScript& scriptPubKey, bool& break; case TX_PUBKEY: keyID = CPubKey(vSolutions[0]).GetID(); - if (sigversion != SIGVERSION_BASE && vSolutions[0].size() != 33) { + if (sigversion != SigVersion::BASE && vSolutions[0].size() != 33) { isInvalid = true; return ISMINE_NO; } @@ -76,14 +76,14 @@ isminetype IsMine(const CKeyStore &keystore, const CScript& scriptPubKey, bool& // This also applies to the P2WSH case. break; } - isminetype ret = ::IsMine(keystore, GetScriptForDestination(CKeyID(uint160(vSolutions[0]))), isInvalid, SIGVERSION_WITNESS_V0); + isminetype ret = ::IsMine(keystore, GetScriptForDestination(CKeyID(uint160(vSolutions[0]))), isInvalid, SigVersion::WITNESS_V0); if (ret == ISMINE_SPENDABLE || ret == ISMINE_WATCH_SOLVABLE || (ret == ISMINE_NO && isInvalid)) return ret; break; } case TX_PUBKEYHASH: keyID = CKeyID(uint160(vSolutions[0])); - if (sigversion != SIGVERSION_BASE) { + if (sigversion != SigVersion::BASE) { CPubKey pubkey; if (keystore.GetPubKey(keyID, pubkey) && !pubkey.IsCompressed()) { isInvalid = true; @@ -114,7 +114,7 @@ isminetype IsMine(const CKeyStore &keystore, const CScript& scriptPubKey, bool& CScriptID scriptID = CScriptID(hash); CScript subscript; if (keystore.GetCScript(scriptID, subscript)) { - isminetype ret = IsMine(keystore, subscript, isInvalid, SIGVERSION_WITNESS_V0); + isminetype ret = IsMine(keystore, subscript, isInvalid, SigVersion::WITNESS_V0); if (ret == ISMINE_SPENDABLE || ret == ISMINE_WATCH_SOLVABLE || (ret == ISMINE_NO && isInvalid)) return ret; } @@ -129,7 +129,7 @@ isminetype IsMine(const CKeyStore &keystore, const CScript& scriptPubKey, bool& // them) enable spend-out-from-under-you attacks, especially // in shared-wallet situations. std::vector<valtype> keys(vSolutions.begin()+1, vSolutions.begin()+vSolutions.size()-1); - if (sigversion != SIGVERSION_BASE) { + if (sigversion != SigVersion::BASE) { for (size_t i = 0; i < keys.size(); i++) { if (keys[i].size() != 33) { isInvalid = true; diff --git a/src/script/ismine.h b/src/script/ismine.h index c1338c3a8e..f93a66e35a 100644 --- a/src/script/ismine.h +++ b/src/script/ismine.h @@ -31,11 +31,11 @@ typedef uint8_t isminefilter; /* isInvalid becomes true when the script is found invalid by consensus or policy. This will terminate the recursion * and return ISMINE_NO immediately, as an invalid script should never be considered as "mine". This is needed as * different SIGVERSION may have different network rules. Currently the only use of isInvalid is indicate uncompressed - * keys in SIGVERSION_WITNESS_V0 script, but could also be used in similar cases in the future + * keys in SigVersion::WITNESS_V0 script, but could also be used in similar cases in the future */ -isminetype IsMine(const CKeyStore& keystore, const CScript& scriptPubKey, bool& isInvalid, SigVersion = SIGVERSION_BASE); -isminetype IsMine(const CKeyStore& keystore, const CScript& scriptPubKey, SigVersion = SIGVERSION_BASE); -isminetype IsMine(const CKeyStore& keystore, const CTxDestination& dest, bool& isInvalid, SigVersion = SIGVERSION_BASE); -isminetype IsMine(const CKeyStore& keystore, const CTxDestination& dest, SigVersion = SIGVERSION_BASE); +isminetype IsMine(const CKeyStore& keystore, const CScript& scriptPubKey, bool& isInvalid, SigVersion = SigVersion::BASE); +isminetype IsMine(const CKeyStore& keystore, const CScript& scriptPubKey, SigVersion = SigVersion::BASE); +isminetype IsMine(const CKeyStore& keystore, const CTxDestination& dest, bool& isInvalid, SigVersion = SigVersion::BASE); +isminetype IsMine(const CKeyStore& keystore, const CTxDestination& dest, SigVersion = SigVersion::BASE); #endif // BITCOIN_SCRIPT_ISMINE_H diff --git a/src/script/sign.cpp b/src/script/sign.cpp index aaba5e5926..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; } @@ -142,7 +141,7 @@ bool ProduceSignature(const BaseSignatureCreator& creator, const CScript& fromPu { std::vector<valtype> result; txnouttype whichType; - bool solved = SignStep(creator, fromPubKey, result, whichType, SIGVERSION_BASE); + bool solved = SignStep(creator, fromPubKey, result, whichType, SigVersion::BASE); bool P2SH = false; CScript subscript; sigdata.scriptWitness.stack.clear(); @@ -153,7 +152,7 @@ bool ProduceSignature(const BaseSignatureCreator& creator, const CScript& fromPu // the final scriptSig is the signatures from that // and then the serialized subscript: subscript = CScript(result[0].begin(), result[0].end()); - solved = solved && SignStep(creator, subscript, result, whichType, SIGVERSION_BASE) && whichType != TX_SCRIPTHASH; + solved = solved && SignStep(creator, subscript, result, whichType, SigVersion::BASE) && whichType != TX_SCRIPTHASH; P2SH = true; } @@ -162,7 +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(); } @@ -170,7 +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(); @@ -194,19 +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); @@ -214,14 +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, @@ -289,7 +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 { @@ -365,7 +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())); @@ -383,7 +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 { @@ -422,13 +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. diff --git a/src/script/sign.h b/src/script/sign.h index 97c0014cd0..c301f0544f 100644 --- a/src/script/sign.h +++ b/src/script/sign.h @@ -8,21 +8,32 @@ #include <script/interpreter.h> +class CKey; class CKeyID; -class CKeyStore; class CScript; +class CScriptID; class CTransaction; struct CMutableTransaction; +/** An interface to be implemented by keystores that support signing. */ +class SigningProvider +{ +public: + virtual ~SigningProvider() {} + virtual bool GetCScript(const CScriptID &scriptid, CScript& script) const =0; + virtual bool GetPubKey(const CKeyID &address, CPubKey& pubkey) const =0; + virtual bool GetKey(const CKeyID &address, CKey& key) const =0; +}; + /** Virtual base class for signature creators. */ class BaseSignatureCreator { protected: - const CKeyStore* keystore; + const SigningProvider* m_provider; public: - explicit BaseSignatureCreator(const CKeyStore* keystoreIn) : keystore(keystoreIn) {} - const CKeyStore& KeyStore() const { return *keystore; }; + explicit BaseSignatureCreator(const SigningProvider* provider) : m_provider(provider) {} + const SigningProvider& Provider() const { return *m_provider; } virtual ~BaseSignatureCreator() {} virtual const BaseSignatureChecker& Checker() const =0; @@ -39,7 +50,7 @@ class TransactionSignatureCreator : public BaseSignatureCreator { const TransactionSignatureChecker checker; public: - TransactionSignatureCreator(const CKeyStore* keystoreIn, const CTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn, int nHashTypeIn=SIGHASH_ALL); + TransactionSignatureCreator(const SigningProvider* provider, const CTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn, int nHashTypeIn=SIGHASH_ALL); const BaseSignatureChecker& Checker() const override { return checker; } bool CreateSig(std::vector<unsigned char>& vchSig, const CKeyID& keyid, const CScript& scriptCode, SigVersion sigversion) const override; }; @@ -48,13 +59,13 @@ class MutableTransactionSignatureCreator : public TransactionSignatureCreator { CTransaction tx; public: - MutableTransactionSignatureCreator(const CKeyStore* keystoreIn, const CMutableTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn, int nHashTypeIn) : TransactionSignatureCreator(keystoreIn, &tx, nInIn, amountIn, nHashTypeIn), tx(*txToIn) {} + MutableTransactionSignatureCreator(const SigningProvider* provider, const CMutableTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn, int nHashTypeIn) : TransactionSignatureCreator(provider, &tx, nInIn, amountIn, nHashTypeIn), tx(*txToIn) {} }; /** A signature creator that just produces 72-byte empty signatures. */ class DummySignatureCreator : public BaseSignatureCreator { public: - explicit DummySignatureCreator(const CKeyStore* keystoreIn) : BaseSignatureCreator(keystoreIn) {} + explicit DummySignatureCreator(const SigningProvider* provider) : BaseSignatureCreator(provider) {} const BaseSignatureChecker& Checker() const override; bool CreateSig(std::vector<unsigned char>& vchSig, const CKeyID& keyid, const CScript& scriptCode, SigVersion sigversion) const override; }; @@ -71,8 +82,8 @@ struct SignatureData { bool ProduceSignature(const BaseSignatureCreator& creator, const CScript& scriptPubKey, SignatureData& sigdata); /** Produce a script signature for a transaction. */ -bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CMutableTransaction& txTo, unsigned int nIn, const CAmount& amount, int nHashType); -bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType); +bool SignSignature(const SigningProvider &provider, const CScript& fromPubKey, CMutableTransaction& txTo, unsigned int nIn, const CAmount& amount, int nHashType); +bool SignSignature(const SigningProvider &provider, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType); /** Combine two script signatures using a generic signature checker, intelligently, possibly with OP_0 placeholders. */ SignatureData CombineSignatures(const CScript& scriptPubKey, const BaseSignatureChecker& checker, const SignatureData& scriptSig1, const SignatureData& scriptSig2); @@ -80,11 +91,12 @@ SignatureData CombineSignatures(const CScript& scriptPubKey, const BaseSignature /** Extract signature data from a transaction, and insert it. */ SignatureData DataFromTransaction(const CMutableTransaction& tx, unsigned int nIn); void UpdateTransaction(CMutableTransaction& tx, unsigned int nIn, const SignatureData& data); +void UpdateInput(CTxIn& input, const SignatureData& data); /* Check whether we know how to sign for an output like this, assuming we * have all private keys. While this function does not need private keys, the passed - * keystore is used to look up public keys and redeemscripts by hash. + * provider is used to look up public keys and redeemscripts by hash. * Solvability is unrelated to whether we consider this output to be ours. */ -bool IsSolvable(const CKeyStore& store, const CScript& script); +bool IsSolvable(const SigningProvider& provider, const CScript& script); #endif // BITCOIN_SCRIPT_SIGN_H |