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