Function getutxout

plugins/bcli.c:680–727

}

static struct command_result *getutxout(struct command *cmd,
                                       const char *buf,
                                       const jsmntok_t *toks)
{
	const char *txid, *vout;
	struct bcli_result *res;
	const jsmntok_t *tokens;
	struct json_stream *response;
	struct bitcoin_tx_output output;
	const char *err;

	/* bitcoin-cli wants strings. */
	if (!param(cmd, buf, toks,
	           p_req("txid", param_string, &txid),
	           p_req("vout", param_string, &vout),
	           NULL))
		return command_param_failed();

	res = run_bitcoin_cli(cmd, cmd->plugin, "gettxout", txid, vout, NULL);

	/* As of at least v0.15.1.0, bitcoind returns "success" but an empty
	   string on a spent txout. */
	if (res->exitstatus != 0 || res->output_len == 0) {
		response = jsonrpc_stream_success(cmd);
		json_add_null(response, "amount");
		json_add_null(response, "script");
		return command_finished(cmd, response);
	}

	tokens = json_parse_simple(res->output, res->output, res->output_len);
	if (!tokens)
		return command_err(cmd, res, "bad JSON: cannot parse");

	err = json_scan(tmpctx, res->output, tokens,
		       "{value:%,scriptPubKey:{hex:%}}",
		       JSON_SCAN(json_to_bitcoin_amount,
				 &output.amount.satoshis), /* Raw: bitcoind */
		       JSON_SCAN_TAL(cmd, json_tok_bin_from_hex,
				     &output.script));
	if (err)
		return command_err(cmd, res, tal_fmt(tmpctx, "bad JSON: %s", err));

	response = jsonrpc_stream_success(cmd);
	json_add_sats(response, "amount", output.amount);
	json_add_string(response, "script", tal_hex(response, output.script));

	return command_finished(cmd, response);
}

static void bitcoind_failure(struct plugin *p, const char *error_message)
{