bool Sign1(const CKeyID &address, const CKeyStore &keystore, uint256 hash, int nHashType, CScript &scriptSigRet)
bool SignSignature(const CKeyStore &keystore, const CScript &fromPubKey, CMutableTransaction &txTo, unsigned int nIn, int nHashType=SIGHASH_ALL)
CScript CombineSignatures(const CScript &scriptPubKey, const CTransaction &txTo, unsigned int nIn, const CScript &scriptSig1, const CScript &scriptSig2)
Given two sets of signatures for scriptPubKey, possibly with OP_0 placeholders, combine them intellig...