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Create 16_4_examinepsbt.v

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Shannon Appelcline 2020-08-11 15:32:00 -10:00 committed by GitHub
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commit 233d9b6d2b
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#include <stdio.h>
#include "wally_core.h"
#include "wally_psbt.h"
int main(int argc, char *argv[]) {
/* 1. Request a PSBT */
if (argc != 2) {
printf("ERROR: Only %i arguments! Correct usage is '%s [psbt]'\n",argc-1,argv[0]);
exit(-1);
}
char *psbt_64 = argv[1];
/* 2. Convert the PSBT */
int lw_response;
struct wally_psbt *psbt;
lw_response = wally_psbt_from_base64(psbt_64,&psbt);
if (lw_response) {
printf("Error: Wally_psbt_from_base64 failed: %d\n",lw_response);
exit(-1);
}
/* 3. Read the Inputs */
int inputs = psbt->num_inputs;
printf("TOTAL INPUTS: %i\n",inputs);
for (int i = 0 ; i < inputs ; i++) {
printf("\nINPUT #%i: %i satoshis\n",i, psbt->inputs[i].witness_utxo->satoshi);
char *script_hex;
wally_hex_from_bytes(psbt->inputs[i].witness_utxo->script,psbt->inputs[i].witness_utxo->script_len,&script_hex);
printf("scriptPubKey: %s\n",script_hex);
wally_free_string(script_hex);
}
/* 4. Read the Outputs */
int outputs = psbt->num_outputs;
printf("\nTOTAL OUTPUTS: %i\n",outputs);
for (int i = 0 ; i < outputs ; i++) {
char *pubkey_hex;
wally_hex_from_bytes(psbt->tx->outputs[i].script,psbt->tx->outputs[i].script_len,&pubkey_hex);
printf("\nINPUT #%i\n",i);
printf("scriptPubKey: %s\n",pubkey_hex);
wally_free_string(pubkey_hex);
}
wally_cleanup(0);
}