@transia/xrpl
Version:
A TypeScript/JavaScript API for interacting with the XRP Ledger in Node.js and the browser
59 lines • 2.96 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getGasEstimate = void 0;
const bignumber_js_1 = __importDefault(require("bignumber.js"));
const errors_1 = require("../errors");
const NUM_DECIMAL_PLACES = 6;
const BASE_10 = 10;
function getFeeXrp(client, cushion) {
var _a, _b;
return __awaiter(this, void 0, void 0, function* () {
const feeCushion = cushion !== null && cushion !== void 0 ? cushion : client.feeCushion;
const serverInfo = (yield client.request({
command: 'server_info',
})).result.info;
const baseFee = (_a = serverInfo.validated_ledger) === null || _a === void 0 ? void 0 : _a.base_fee_xrp;
if (baseFee == null) {
throw new errors_1.XrplError('getFeeXrp: Could not get base_fee_xrp from server_info');
}
const baseFeeXrp = new bignumber_js_1.default(baseFee);
(_b = serverInfo.load_factor) !== null && _b !== void 0 ? _b : (serverInfo.load_factor = 1);
let fee = baseFeeXrp.times(serverInfo.load_factor).times(feeCushion);
fee = bignumber_js_1.default.min(fee, client.maxFeeXRP);
return new bignumber_js_1.default(fee.toFixed(NUM_DECIMAL_PLACES)).toString(BASE_10);
});
}
exports.default = getFeeXrp;
function getGasEstimate(client, txBlob) {
return __awaiter(this, void 0, void 0, function* () {
const response = yield client.request({
command: 'simulate',
tx_blob: txBlob,
});
if (response.result.engine_result !== 'tesSUCCESS') {
throw new Error(response.result.engine_result_message);
}
if (typeof response.result.meta !== 'object') {
throw new errors_1.XrplError('getGasEstimate: Could not get meta from simulate response');
}
const meta = response.result.meta;
if (typeof meta.GasUsed !== 'number') {
throw new errors_1.XrplError('getGasEstimate: GasUsed in simulate response is not a number');
}
return Number(meta.GasUsed);
});
}
exports.getGasEstimate = getGasEstimate;
//# sourceMappingURL=getFeeXrp.js.map