/* * This file is part of the Trezor project, https://trezor.io/ * * Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com> * * This library is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __TRANSACTION_H__ #define __TRANSACTION_H__ #include <stdbool.h> #include <stdint.h> #include "bip32.h" #include "coins.h" #include "hasher.h" #include "messages-bitcoin.pb.h" #include "sha2.h" #define TX_OVERWINTERED 0x80000000 #define OWNERSHIP_ID_SIZE 32 enum { // Signature hash type with the same semantics as SIGHASH_ALL, but instead of // having to include the byte in the signature, it is implied. SIGHASH_ALL_TAPROOT = 0, // Default signature hash type in Bitcoin which signs all inputs and all // outputs of the transaction. SIGHASH_ALL = 1, // Signature hash flag used in some Bitcoin-like altcoins for replay // protection. SIGHASH_FORKID = 0x40, }; typedef struct { uint32_t inputs_len; uint32_t outputs_len; uint32_t version; uint32_t version_group_id; uint32_t timestamp; uint32_t lock_time; uint32_t expiry; uint32_t branch_id; bool is_segwit; bool is_decred; bool is_zcashlike; uint32_t have_inputs; uint32_t have_outputs; uint32_t extra_data_len; uint32_t extra_data_received; uint32_t size; Hasher hasher; } TxStruct; bool compute_address(const CoinInfo *coin, InputScriptType script_type, const HDNode *node, bool has_multisig, const MultisigRedeemScriptType *multisig, char address[MAX_ADDR_SIZE]); int address_to_script_pubkey(const CoinInfo *coin, const char *address, uint8_t *script_pubkey, pb_size_t *size); uint32_t compile_script_sig(uint32_t address_type, const uint8_t *pubkeyhash, uint8_t *out); uint32_t compile_script_multisig(const CoinInfo *coin, const MultisigRedeemScriptType *multisig, uint8_t *out); uint32_t compile_script_multisig_hash(const CoinInfo *coin, const MultisigRedeemScriptType *multisig, uint8_t *hash); uint32_t serialize_script_sig(const uint8_t *signature, uint32_t signature_len, const uint8_t *pubkey, uint32_t pubkey_len, uint8_t sighash, uint8_t *out); uint32_t serialize_script_multisig(const CoinInfo *coin, const MultisigRedeemScriptType *multisig, uint8_t sighash, uint8_t *out); uint32_t serialize_p2wpkh_witness(const uint8_t *signature, uint32_t signature_len, const uint8_t *public_key, uint32_t public_key_len, uint8_t sighash, uint8_t *out); uint32_t serialize_p2tr_witness(const uint8_t *signature, uint32_t signature_len, uint8_t sighash, uint8_t *out); bool tx_sign_ecdsa(const ecdsa_curve *curve, const uint8_t *private_key, const uint8_t *hash, uint8_t *out, pb_size_t *size); bool tx_sign_bip340(const uint8_t *private_key, const uint8_t *hash, uint8_t *out, pb_size_t *size); void op_return_to_script_pubkey(const uint8_t *op_return_data, size_t op_return_size, uint8_t *script_pubkey, pb_size_t *script_pubkey_size); bool get_script_pubkey(const CoinInfo *coin, HDNode *node, bool has_multisig, const MultisigRedeemScriptType *multisig, InputScriptType script_type, uint8_t *script_pubkey, pb_size_t *script_pubkey_size); bool tx_input_check_hash(Hasher *hasher, const TxInputType *input); uint32_t tx_prevout_hash(Hasher *hasher, const TxInputType *input); uint32_t tx_amount_hash(Hasher *hasher, const TxInputType *input); uint32_t tx_script_hash(Hasher *hasher, uint32_t size, const uint8_t *data); uint32_t tx_sequence_hash(Hasher *hasher, const TxInputType *input); uint32_t tx_output_hash(Hasher *hasher, const TxOutputBinType *output, bool decred); uint32_t tx_serialize_script(uint32_t size, const uint8_t *data, uint8_t *out); uint32_t tx_serialize_footer(TxStruct *tx, uint8_t *out); uint32_t tx_serialize_input(TxStruct *tx, const TxInputType *input, uint8_t *out); uint32_t tx_serialize_output(TxStruct *tx, const TxOutputBinType *output, uint8_t *out); uint32_t tx_serialize_decred_witness(TxStruct *tx, const TxInputType *input, uint8_t *out); void tx_init(TxStruct *tx, uint32_t inputs_len, uint32_t outputs_len, uint32_t version, uint32_t lock_time, uint32_t expiry, uint32_t branch_id, uint32_t extra_data_len, HasherType hasher_sign, bool is_zcashlike, uint32_t version_group_id, uint32_t timestamp); uint32_t tx_serialize_header_hash(TxStruct *tx); uint32_t tx_serialize_input_hash(TxStruct *tx, const TxInputType *input); uint32_t tx_serialize_output_hash(TxStruct *tx, const TxOutputBinType *output); uint32_t tx_serialize_extra_data_hash(TxStruct *tx, const uint8_t *data, uint32_t datalen); uint32_t tx_serialize_decred_witness_hash(TxStruct *tx, const TxInputType *input); void tx_hash_final(TxStruct *t, uint8_t *hash, bool reverse); uint32_t tx_input_weight(const CoinInfo *coin, const TxInputType *txinput); uint32_t tx_output_weight(const CoinInfo *coin, const TxOutputType *txoutput); uint32_t tx_decred_witness_weight(const TxInputType *txinput); bool get_ownership_proof(const CoinInfo *coin, InputScriptType script_type, const HDNode *node, uint8_t flags, const uint8_t ownership_id[OWNERSHIP_ID_SIZE], const uint8_t *script_pubkey, size_t script_pubkey_size, const uint8_t *commitment_data, size_t commitment_data_size, OwnershipProof *out); bool tx_input_verify_nonownership( const CoinInfo *coin, const TxInputType *txinput, const uint8_t ownership_id[OWNERSHIP_ID_SIZE]); #endif