mirror of
https://github.com/ChristopherA/Learning-Bitcoin-from-the-Command-Line.git
synced 2025-11-03 20:07:46 +00:00
82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
#include "wally_core.h"
|
|
#include "wally_transaction.h"
|
|
#include "wally_script.h"
|
|
|
|
int main(int argc, char *argv[]) {
|
|
|
|
if (argc != 3) {
|
|
|
|
printf("ERROR: Only %i arguments! Correct usage is '%s [transaction hex] [serialized locking script]'\n",argc-1,argv[0]);
|
|
exit(-1);
|
|
|
|
}
|
|
char *utxo_hex = argv[1];
|
|
char *script = argv[2];
|
|
|
|
int lw_response;
|
|
size_t written;
|
|
|
|
/* 1. Create the P2SH Script */
|
|
|
|
int script_length = strlen(script)/2;
|
|
unsigned char bscript[script_length];
|
|
|
|
lw_response = wally_hex_to_bytes(script,bscript,script_length,&written);
|
|
assert(lw_response == WALLY_OK);
|
|
|
|
unsigned char p2sh[WALLY_SCRIPTPUBKEY_P2SH_LEN];
|
|
|
|
lw_response = wally_scriptpubkey_p2sh_from_bytes(bscript,sizeof(bscript),WALLY_SCRIPT_HASH160,p2sh,WALLY_SCRIPTPUBKEY_P2SH_LEN,&written);
|
|
assert(lw_response == WALLY_OK);
|
|
|
|
char *pubkey;
|
|
lw_response = wally_hex_from_bytes(p2sh,sizeof(p2sh),&pubkey);
|
|
|
|
/* 2. Create the Transaction */
|
|
|
|
struct wally_tx *tx;
|
|
lw_response = wally_tx_init_alloc(2,0,1,1,&tx);
|
|
assert(lw_response == WALLY_OK);
|
|
|
|
/* 3. Create the Outputs with the P2SH */
|
|
|
|
struct wally_tx_output *tx_output;
|
|
lw_response = wally_tx_output_init_alloc(95000,p2sh,sizeof(p2sh),&tx_output);
|
|
assert(lw_response == WALLY_OK);
|
|
|
|
lw_response = wally_tx_add_output(tx,tx_output);
|
|
assert(lw_response == WALLY_OK);
|
|
|
|
/* 4. Create the Inputs based on Hex */
|
|
|
|
struct wally_tx *utxo;
|
|
lw_response = wally_tx_from_hex(utxo_hex,0,&utxo);
|
|
assert(lw_response == WALLY_OK);
|
|
|
|
struct wally_tx_input *tx_input;
|
|
lw_response = wally_tx_input_init_alloc(utxo->inputs[0].txhash,sizeof(utxo->inputs[0].txhash),utxo->inputs[0].index,0,utxo->inputs[0].script,utxo->inputs[0].script_len,utxo->inputs[0].witness,&tx_input);
|
|
assert(lw_response == WALLY_OK);
|
|
lw_response = wally_tx_add_input(tx,tx_input);
|
|
assert(lw_response == WALLY_OK);
|
|
|
|
/* 5. Print It */
|
|
|
|
char *tx_hex;
|
|
lw_response = wally_tx_to_hex(tx,0, &tx_hex);
|
|
assert(lw_response == WALLY_OK);
|
|
|
|
printf("%s\n",tx_hex);
|
|
|
|
wally_free_string(tx_hex);
|
|
wally_tx_free(tx);
|
|
wally_tx_input_free(tx_input);
|
|
wally_tx_output_free(tx_output);
|
|
wally_tx_free(utxo);
|
|
|
|
wally_cleanup(0);
|
|
|
|
}
|