rubic-sdk
Version:
Simplify dApp creation
86 lines • 3.58 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.GasPriceApi = void 0;
const bignumber_js_1 = __importDefault(require("bignumber.js"));
const decorators_1 = require("../../common/utils/decorators");
const p_timeout_1 = __importDefault(require("../../common/utils/p-timeout"));
const blockchain_name_1 = require("../blockchain/models/blockchain-name");
const web3_pure_1 = require("../blockchain/web3-pure/web3-pure");
const injector_1 = require("../injector/injector");
/**
* Uses different api or web3 to retrieve current gas price.
*/
class GasPriceApi {
constructor(httpClient) {
this.httpClient = httpClient;
}
/**
* Gets gas price in Wei for selected blockchain.
* @param blockchain Blockchain to get gas price from.
*/
getGasPrice(blockchain) {
if (blockchain === blockchain_name_1.BLOCKCHAIN_NAME.ETHEREUM) {
return this.fetchEthGas();
}
return this.fetchGas(blockchain);
}
/**
* Gets gas price in Eth units for selected blockchain.
* @param blockchain Blockchain to get gas price from.
*/
async getGasPriceInEthUnits(blockchain) {
return web3_pure_1.Web3Pure.fromWei(await this.getGasPrice(blockchain));
}
/**
* Gets Ethereum gas price from different APIs, sorted by priority.
* @returns Average gas price in Wei.
*/
async fetchEthGas() {
const requestTimeout = 3000;
try {
const response = await (0, p_timeout_1.default)(this.httpClient.get('https://gas-price-api.1inch.io/v1.2/1'), requestTimeout);
return response.high.maxFeePerGas;
}
catch (_err) { }
try {
const response = await (0, p_timeout_1.default)(this.httpClient.get('https://ethgasstation.info/api/ethgasAPI.json'), requestTimeout);
return new bignumber_js_1.default(response.average / 10).multipliedBy(10 ** 9).toFixed(0);
}
catch (_err) { }
const web3Public = injector_1.Injector.web3PublicService.getWeb3Public(blockchain_name_1.BLOCKCHAIN_NAME.ETHEREUM);
return web3Public.getGasPrice();
}
/**
* Gets gas price from web3.
* @returns Average gas price in Wei.
*/
fetchGas(blockchain) {
const web3Public = injector_1.Injector.web3PublicService.getWeb3Public(blockchain);
return web3Public.getGasPrice();
}
}
/**
* Gas price request interval in seconds.
*/
GasPriceApi.requestInterval = 15000;
__decorate([
(0, decorators_1.Cache)({
maxAge: GasPriceApi.requestInterval
})
], GasPriceApi.prototype, "fetchEthGas", null);
__decorate([
(0, decorators_1.Cache)({
maxAge: GasPriceApi.requestInterval
})
], GasPriceApi.prototype, "fetchGas", null);
exports.GasPriceApi = GasPriceApi;
//# sourceMappingURL=gas-price-api.js.map