Function after_makesecret

plugins/offers.c:1778–1826

}

static struct command_result *after_makesecret(struct command *cmd,
					       const char *method,
					       const char *buf,
					       const jsmntok_t *result,
					       struct decodable *decodable)
{
	struct secret secret;
	struct json_stream *response;
	const jsmntok_t *secrettok;

	secrettok = json_get_member(buf, result, "secret");
	json_to_secret(buf, secrettok, &secret);

	crypto_secretstream_xchacha20poly1305_state crypto_state;

	if (tal_bytelen(decodable->emergency_recover) < ABYTES +
	    HEADER_LEN)
		return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
			     "Can't decrypt, hex is too short!");

	u8 *decrypt_blob = tal_arr(tmpctx, u8,
				   tal_bytelen(decodable->emergency_recover) -
				   ABYTES -
				   HEADER_LEN);
	/* The header part */
	if (crypto_secretstream_xchacha20poly1305_init_pull(&crypto_state,
							    decodable->emergency_recover,
							    secret.data) != 0) {
		return command_fail(cmd, JSONRPC2_INVALID_PARAMS, "Can't decrypt!");
	}

	if (crypto_secretstream_xchacha20poly1305_pull(&crypto_state, decrypt_blob,
						       NULL, 0,
						       decodable->emergency_recover +
						       HEADER_LEN,
						       tal_bytelen(decodable->emergency_recover) -
						       HEADER_LEN,
						       NULL, 0) != 0) {
		return command_fail(cmd, JSONRPC2_INVALID_PARAMS, "Can't decrypt!");
	}

	response = jsonrpc_stream_success(cmd);
	json_add_bool(response, "valid", true);
	json_add_string(response, "type", decodable->type);
	json_add_hex(response, "decrypted", decrypt_blob,
		     tal_bytelen(decrypt_blob));

	return command_finished(cmd, response);
}

static struct command_result *json_decode(struct command *cmd,
					  const char *buffer,