diff options
Diffstat (limited to 'src/script/sign.h')
| -rw-r--r-- | src/script/sign.h | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/script/sign.h b/src/script/sign.h index 813dfe04e3..f46bc55992 100644 --- a/src/script/sign.h +++ b/src/script/sign.h @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2021 The Bitcoin Core developers +// Copyright (c) 2009-2022 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -13,6 +13,7 @@ #include <script/interpreter.h> #include <script/keyorigin.h> #include <script/standard.h> +#include <uint256.h> class CKey; class CKeyID; @@ -82,6 +83,10 @@ struct SignatureData { 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) + std::map<std::vector<uint8_t>, std::vector<uint8_t>> sha256_preimages; ///< Mapping from a SHA256 hash to its preimage provided to solve a Script + std::map<std::vector<uint8_t>, std::vector<uint8_t>> hash256_preimages; ///< Mapping from a HASH256 hash to its preimage provided to solve a Script + std::map<std::vector<uint8_t>, std::vector<uint8_t>> ripemd160_preimages; ///< Mapping from a RIPEMD160 hash to its preimage provided to solve a Script + std::map<std::vector<uint8_t>, std::vector<uint8_t>> hash160_preimages; ///< Mapping from a HASH160 hash to its preimage provided to solve a Script SignatureData() {} explicit SignatureData(const CScript& script) : scriptSig(script) {} @@ -91,9 +96,24 @@ struct SignatureData { /** Produce a script signature using a generic signature creator. */ bool ProduceSignature(const SigningProvider& provider, const BaseSignatureCreator& creator, const CScript& scriptPubKey, SignatureData& sigdata); -/** Produce a script signature for a transaction. */ -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); +/** + * Produce a satisfying script (scriptSig or witness). + * + * @param provider Utility containing the information necessary to solve a script. + * @param fromPubKey The script to produce a satisfaction for. + * @param txTo The spending transaction. + * @param nIn The index of the input in `txTo` referring the output being spent. + * @param amount The value of the output being spent. + * @param nHashType Signature hash type. + * @param sig_data Additional data provided to solve a script. Filled with the resulting satisfying + * script and whether the satisfaction is complete. + * + * @return True if the produced script is entirely satisfying `fromPubKey`. + **/ +bool SignSignature(const SigningProvider &provider, const CScript& fromPubKey, CMutableTransaction& txTo, + unsigned int nIn, const CAmount& amount, int nHashType, SignatureData& sig_data); +bool SignSignature(const SigningProvider &provider, const CTransaction& txFrom, CMutableTransaction& txTo, + unsigned int nIn, int nHashType, SignatureData& sig_data); /** Extract signature data from a transaction input, and insert it. */ SignatureData DataFromTransaction(const CMutableTransaction& tx, unsigned int nIn, const CTxOut& txout); |