From 2f6b466aeb6d4c88ab2e0e8b2a402be0743608b5 Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Sat, 6 Oct 2018 03:33:24 -0700 Subject: [PATCH] Stop requiring imported pubkey to sign non-PKH schemes --- src/script/sign.cpp | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/src/script/sign.cpp b/src/script/sign.cpp index d77991042..0042f35e2 100644 --- a/src/script/sign.cpp +++ b/src/script/sign.cpp @@ -73,15 +73,18 @@ static bool GetPubKey(const SigningProvider& provider, SignatureData& sigdata, c return false; } -static bool CreateSig(const BaseSignatureCreator& creator, SignatureData& sigdata, const SigningProvider& provider, std::vector& sig_out, const CKeyID& keyid, const CScript& scriptcode, SigVersion sigversion) +static bool CreateSig(const BaseSignatureCreator& creator, SignatureData& sigdata, const SigningProvider& provider, std::vector& sig_out, const CPubKey& pubkey, const CScript& scriptcode, SigVersion sigversion) { + CKeyID keyid = pubkey.GetID(); const auto it = sigdata.signatures.find(keyid); if (it != sigdata.signatures.end()) { sig_out = it->second.second; return true; } - CPubKey pubkey; - GetPubKey(provider, sigdata, keyid, pubkey); + KeyOriginInfo info; + if (provider.GetKeyOrigin(keyid, info)) { + sigdata.misc_pubkeys.emplace(keyid, std::make_pair(pubkey, std::move(info))); + } if (creator.CreateSig(provider, sig_out, keyid, scriptcode, sigversion)) { auto i = sigdata.signatures.emplace(keyid, SigPair(pubkey, sig_out)); assert(i.second); @@ -114,15 +117,15 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator case TX_WITNESS_UNKNOWN: return false; case TX_PUBKEY: - if (!CreateSig(creator, sigdata, provider, sig, CPubKey(vSolutions[0]).GetID(), scriptPubKey, sigversion)) return false; + if (!CreateSig(creator, sigdata, provider, sig, CPubKey(vSolutions[0]), scriptPubKey, sigversion)) return false; ret.push_back(std::move(sig)); return true; case TX_PUBKEYHASH: { CKeyID keyID = CKeyID(uint160(vSolutions[0])); - if (!CreateSig(creator, sigdata, provider, sig, keyID, scriptPubKey, sigversion)) return false; - ret.push_back(std::move(sig)); CPubKey pubkey; GetPubKey(provider, sigdata, keyID, pubkey); + if (!CreateSig(creator, sigdata, provider, sig, pubkey, scriptPubKey, sigversion)) return false; + ret.push_back(std::move(sig)); ret.push_back(ToByteVector(pubkey)); return true; } @@ -138,7 +141,7 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator ret.push_back(valtype()); // workaround CHECKMULTISIG bug for (size_t i = 1; i < vSolutions.size() - 1; ++i) { CPubKey pubkey = CPubKey(vSolutions[i]); - if (ret.size() < required + 1 && CreateSig(creator, sigdata, provider, sig, pubkey.GetID(), scriptPubKey, sigversion)) { + if (ret.size() < required + 1 && CreateSig(creator, sigdata, provider, sig, pubkey, scriptPubKey, sigversion)) { ret.push_back(std::move(sig)); } }