Function param_txout

wallet/reservation.c:933–991

AUTODATA(json_command, &addpsbtinput_command);

static struct command_result *param_txout(struct command *cmd,
					  const char *name,
					  const char *buffer,
					  const jsmntok_t *tok,
					  struct utxo ***utxos)
{
	size_t i;
	const jsmntok_t *curr;

	*utxos = tal_arr(cmd, struct utxo *, tok->size);

	json_for_each_arr(i, curr, tok) {
		struct utxo *utxo;
		jsmntok_t txid_tok, outnum_tok;
		struct bitcoin_outpoint outpoint;

		if (!split_tok(buffer, curr, ':', &txid_tok, &outnum_tok))
			return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
					    "Could not decode the outpoint from \"%s\""
					    " The utxos should be specified as"
					    " 'txid:output_index'.",
					    json_strdup(tmpctx, buffer, curr));

		if (!json_to_txid(buffer, &txid_tok, &outpoint.txid)) {
			return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
					    "Could not get a txid out of \"%s\"",
					    json_strdup(tmpctx, buffer, &txid_tok));
		}
		if (!json_to_number(buffer, &outnum_tok, &outpoint.n)) {
			return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
					    "Could not get a vout out of \"%s\"",
					    json_strdup(tmpctx, buffer, &outnum_tok));
		}

		utxo = wallet_utxo_get(*utxos, cmd->ld->wallet, &outpoint);
		if (!utxo) {
			return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
					    "Unknown UTXO %s",
					    fmt_bitcoin_outpoint(tmpctx,
							   &outpoint));
		}
		if (utxo->status == OUTPUT_STATE_SPENT) {
			return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
					    "Already spent UTXO %s",
					    fmt_bitcoin_outpoint(tmpctx,
							   &outpoint));
		}

		(*utxos)[i] = utxo;
	}

	if (i == 0)
		return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
				    "Please specify an array of 'txid:output_index',"
				    " not \"%.*s\"",
				    tok->end - tok->start,
				    buffer + tok->start);
	return NULL;