#ifndef BLOCK_BUILDER_H
#define BLOCK_BUILDER_H

#include <stddef.h>
#include <stdint.h>

#include "types.h"

char *tx_encode_coinbase_height(int height);
int is_segwit_tx(const char *raw_hex);
int build_coinbase_transaction(
    const BlockTemplate *tpl,
    const char *miner_script_pubkey,
    const char *extranonce1,
    const char *extranonce2,
    const char *coinbase_message,
    char **coinbase_hex_out,
    char **coinbase_txid_out
);
char *calculate_merkle_root(const char *coinbase_txid_hex, const TemplateTransaction *txs, size_t tx_count);
int build_block_header_bytes(
    int version,
    const char *prev_hash_hex,
    const char *merkle_root_hex,
    uint32_t timestamp,
    const char *bits_hex,
    uint32_t nonce,
    uint8_t out_header[80]
);
char *build_block_header_hex(
    int version,
    const char *prev_hash_hex,
    const char *merkle_root_hex,
    uint32_t timestamp,
    const char *bits_hex,
    uint32_t nonce
);
char *serialize_block(const char *header_hex, const char *coinbase_tx_hex, const TemplateTransaction *txs, size_t tx_count);

#endif