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trezor-firmware/legacy/firmware/transaction.h

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/*
* 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
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