text: #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);
  
    /* This will crash if the inputs are not filled in, or if there are non_witness_utxos */
    
    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);
    
    /* This will crash if the outputs are not filled in */
    
    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);  
  }
  