diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/psbt.cpp | 20 | ||||
| -rw-r--r-- | src/psbt.h | 2 | ||||
| -rw-r--r-- | src/script/sign.cpp | 15 | ||||
| -rw-r--r-- | src/script/sign.h | 4 |
4 files changed, 34 insertions, 7 deletions
diff --git a/src/psbt.cpp b/src/psbt.cpp index 424b92cfb5..0734edcf8e 100644 --- a/src/psbt.cpp +++ b/src/psbt.cpp @@ -191,13 +191,12 @@ void PSBTOutput::Merge(const PSBTOutput& output) if (redeem_script.empty() && !output.redeem_script.empty()) redeem_script = output.redeem_script; if (witness_script.empty() && !output.witness_script.empty()) witness_script = output.witness_script; } - bool PSBTInputSigned(PSBTInput& input) { return !input.final_script_sig.empty() || !input.final_script_witness.IsNull(); } -bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index, int sighash) +bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index, int sighash, SignatureData* out_sigdata, bool use_dummy) { PSBTInput& input = psbt.inputs.at(index); const CMutableTransaction& tx = *psbt.tx; @@ -237,9 +236,14 @@ bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& return false; } - MutableTransactionSignatureCreator creator(&tx, index, utxo.nValue, sighash); sigdata.witness = false; - bool sig_complete = ProduceSignature(provider, creator, utxo.scriptPubKey, sigdata); + bool sig_complete; + if (use_dummy) { + sig_complete = ProduceSignature(provider, DUMMY_SIGNATURE_CREATOR, utxo.scriptPubKey, sigdata); + } else { + MutableTransactionSignatureCreator creator(&tx, index, utxo.nValue, sighash); + sig_complete = ProduceSignature(provider, creator, utxo.scriptPubKey, sigdata); + } // Verify that a witness signature was produced in case one was required. if (require_witness_sig && !sigdata.witness) return false; input.FromSignatureData(sigdata); @@ -250,6 +254,14 @@ bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& input.non_witness_utxo = nullptr; } + // Fill in the missing info + if (out_sigdata) { + out_sigdata->missing_pubkeys = sigdata.missing_pubkeys; + out_sigdata->missing_sigs = sigdata.missing_sigs; + out_sigdata->missing_redeem_script = sigdata.missing_redeem_script; + out_sigdata->missing_witness_script = sigdata.missing_witness_script; + } + return sig_complete; } diff --git a/src/psbt.h b/src/psbt.h index 982fb803d5..cc4882c580 100644 --- a/src/psbt.h +++ b/src/psbt.h @@ -544,7 +544,7 @@ struct PartiallySignedTransaction bool PSBTInputSigned(PSBTInput& input); /** Signs a PSBTInput, verifying that all provided data matches what is being signed. */ -bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index, int sighash = SIGHASH_ALL); +bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index, int sighash = SIGHASH_ALL, SignatureData* out_sigdata = nullptr, bool use_dummy = false); /** * Finalizes a PSBT if possible, combining partial signatures. diff --git a/src/script/sign.cpp b/src/script/sign.cpp index 9d6a390ea2..320956d0c4 100644 --- a/src/script/sign.cpp +++ b/src/script/sign.cpp @@ -83,6 +83,8 @@ static bool CreateSig(const BaseSignatureCreator& creator, SignatureData& sigdat assert(i.second); return true; } + // Could not make signature or signature not found, add keyid to missing + sigdata.missing_sigs.push_back(keyid); return false; } @@ -116,17 +118,24 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator case TX_PUBKEYHASH: { CKeyID keyID = CKeyID(uint160(vSolutions[0])); CPubKey pubkey; - if (!GetPubKey(provider, sigdata, keyID, pubkey)) return false; + if (!GetPubKey(provider, sigdata, keyID, pubkey)) { + // Pubkey could not be found, add to missing + sigdata.missing_pubkeys.push_back(keyID); + return false; + } if (!CreateSig(creator, sigdata, provider, sig, pubkey, scriptPubKey, sigversion)) return false; ret.push_back(std::move(sig)); ret.push_back(ToByteVector(pubkey)); return true; } case TX_SCRIPTHASH: - if (GetCScript(provider, sigdata, uint160(vSolutions[0]), scriptRet)) { + h160 = uint160(vSolutions[0]); + if (GetCScript(provider, sigdata, h160, scriptRet)) { ret.push_back(std::vector<unsigned char>(scriptRet.begin(), scriptRet.end())); return true; } + // Could not find redeemScript, add to missing + sigdata.missing_redeem_script = h160; return false; case TX_MULTISIG: { @@ -154,6 +163,8 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator ret.push_back(std::vector<unsigned char>(scriptRet.begin(), scriptRet.end())); return true; } + // Could not find witnessScript, add to missing + sigdata.missing_witness_script = uint256(vSolutions[0]); return false; default: diff --git a/src/script/sign.h b/src/script/sign.h index 64eb3eb8e5..e229c375c7 100644 --- a/src/script/sign.h +++ b/src/script/sign.h @@ -117,6 +117,10 @@ struct SignatureData { CScriptWitness scriptWitness; ///< The scriptWitness of an input. Contains complete signatures or the traditional partial signatures format. scriptWitness is part of a transaction input per BIP 144. std::map<CKeyID, SigPair> signatures; ///< BIP 174 style partial signatures for the input. May contain all signatures necessary for producing a final scriptSig or scriptWitness. std::map<CKeyID, std::pair<CPubKey, KeyOriginInfo>> misc_pubkeys; + std::vector<CKeyID> missing_pubkeys; ///< KeyIDs of pubkeys which could not be found + std::vector<CKeyID> missing_sigs; ///< KeyIDs of pubkeys for signatures which could not be found + uint160 missing_redeem_script; ///< ScriptID of the missing redeemScript (if any) + uint256 missing_witness_script; ///< SHA256 of the missing witnessScript (if any) SignatureData() {} explicit SignatureData(const CScript& script) : scriptSig(script) {} |