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trezor-firmware/firmware/transaction.h

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2014-04-29 12:26:51 +00:00
/*
* This file is part of the TREZOR project.
*
* 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 "sha2.h"
#include "bip32.h"
#include "types.pb.h"
typedef struct {
uint32_t inputs_len;
uint32_t outputs_len;
uint32_t version;
uint32_t lock_time;
bool add_hash_type;
uint32_t have_inputs;
uint32_t have_outputs;
uint32_t size;
SHA256_CTX ctx;
} TxStruct;
uint32_t compile_script_sig(uint8_t address_type, const uint8_t *pubkeyhash, uint8_t *out);
int serialize_script_sig(uint8_t *signature, uint32_t signature_len, uint8_t *pubkey, uint32_t pubkey_len, uint8_t *out);
int compile_output(const CoinType *coin, const HDNode *root, TxOutputType *in, TxOutputBinType *out, bool needs_confirm);
uint32_t tx_serialize_input(TxStruct *tx, uint8_t *prev_hash, uint32_t prev_index, uint8_t *script_sig, uint32_t script_sig_len, uint32_t sequence, uint8_t *out);
uint32_t tx_serialize_output(TxStruct *tx, uint64_t amount, uint8_t *script_pubkey, uint32_t script_pubkey_len, uint8_t *out);
void tx_init(TxStruct *tx, uint32_t inputs_len, uint32_t outputs_len, uint32_t version, uint32_t lock_time, bool add_hash_type);
bool tx_hash_input(TxStruct *t, TxInputType *input);
bool tx_hash_output(TxStruct *t, TxOutputBinType *output);
void tx_hash_final(TxStruct *t, uint8_t *hash, bool reverse);
uint32_t transactionEstimateSize(uint32_t inputs, uint32_t outputs);
uint32_t transactionEstimateSizeKb(uint32_t inputs, uint32_t outputs);
bool transactionMessageSign(uint8_t *message, uint32_t message_len, uint8_t *privkey, const char *address, uint8_t *signature);
bool transactionMessageVerify(uint8_t *message, uint32_t message_len, uint8_t *signature, const char *address);
#endif