static bool CreateSig(const BaseSignatureCreator& creator, SignatureData& sigdata, const SigningProvider& provider, std::vector<unsigned char>& 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;
}
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);
return true;
}
return false;
}
static bool GetPubKey(const SigningProvider& provider, SignatureData& sigdata, const CKeyID& address, CPubKey& pubkey)
{
// Look for pubkey in all partial sigs
const auto it = sigdata.signatures.find(address);
if (it != sigdata.signatures.end()) {
pubkey = it->second.first;
return true;
}
// Look for pubkey in pubkey list
const auto& pk_it = sigdata.misc_pubkeys.find(address);
if (pk_it != sigdata.misc_pubkeys.end()) {
pubkey = pk_it->second.first;
return true;
}
// Query the underlying provider
if (provider.GetPubKey(address, pubkey)) {
KeyOriginInfo info;
if (provider.GetKeyOrigin(address, info)) {
sigdata.misc_pubkeys.emplace(address, std::make_pair(pubkey, std::move(info)));
}
return true;
}
return false;
}