hector-rubic-sdk
Version:
Simplify dApp creation
150 lines • 7.68 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.GasPriceApi = void 0;
var p_timeout_1 = __importDefault(require("../utils/p-timeout"));
var blockchain_name_1 = require("../../core/blockchain/models/blockchain-name");
var injector_1 = require("../../core/sdk/injector");
var common_1 = require("..");
var bignumber_js_1 = __importDefault(require("bignumber.js"));
var web3_pure_1 = require("../../core/blockchain/web3-pure/web3-pure");
var GasPriceApi = /** @class */ (function () {
function GasPriceApi(httpClient) {
this.httpClient = httpClient;
}
/**
* Gas price in Wei for selected blockchain.
* @param blockchain Blockchain to get gas price from.
* @return Promise<BigNumber> Average gas price in Wei.
*/
GasPriceApi.prototype.getGasPrice = function (blockchain) {
if (blockchain === blockchain_name_1.BLOCKCHAIN_NAME.ETHEREUM) {
return this.fetchEthGas();
}
return this.fetchGas(blockchain);
};
/**
* Gas price in Eth units for selected blockchain.
* @param blockchain Blockchain to get gas price from.
* @return Promise<BigNumber> Average gas price in Eth units.
*/
GasPriceApi.prototype.getGasPriceInEthUnits = function (blockchain) {
return __awaiter(this, void 0, void 0, function () {
var _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_b = (_a = web3_pure_1.Web3Pure).fromWei;
return [4 /*yield*/, this.getGasPrice(blockchain)];
case 1: return [2 /*return*/, _b.apply(_a, [_c.sent()])];
}
});
});
};
/**
* Gets Ethereum gas price from different APIs, sorted by priority.
* @return Promise<BigNumber> Average gas price in Wei.
*/
GasPriceApi.prototype.fetchEthGas = function () {
return __awaiter(this, void 0, void 0, function () {
var requestTimeout, response, _err_1, response, _err_2, web3Public;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
requestTimeout = 3000;
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, (0, p_timeout_1.default)(this.httpClient.get('https://gas-price-api.1inch.io/v1.2/1'), requestTimeout)];
case 2:
response = _a.sent();
return [2 /*return*/, response.medium.maxFeePerGas];
case 3:
_err_1 = _a.sent();
return [3 /*break*/, 4];
case 4:
_a.trys.push([4, 6, , 7]);
return [4 /*yield*/, (0, p_timeout_1.default)(this.httpClient.get('https://ethgasstation.info/api/ethgasAPI.json'), requestTimeout)];
case 5:
response = _a.sent();
return [2 /*return*/, new bignumber_js_1.default(response.average / 10).multipliedBy(Math.pow(10, 9)).toFixed(0)];
case 6:
_err_2 = _a.sent();
return [3 /*break*/, 7];
case 7:
web3Public = injector_1.Injector.web3PublicService.getWeb3Public(blockchain_name_1.BLOCKCHAIN_NAME.ETHEREUM);
return [2 /*return*/, web3Public.getGasPrice()];
}
});
});
};
/**
* Gets Avalanche gas price.
* @return Promise<BigNumber> Average gas price in Wei.
*/
GasPriceApi.prototype.fetchGas = function (blockchain) {
var web3Public = injector_1.Injector.web3PublicService.getWeb3Public(blockchain);
return web3Public.getGasPrice();
};
/**
* Gas price request interval in seconds.
*/
GasPriceApi.requestInterval = 15000;
__decorate([
(0, common_1.Cache)({
maxAge: GasPriceApi.requestInterval
})
], GasPriceApi.prototype, "fetchEthGas", null);
__decorate([
(0, common_1.Cache)({
maxAge: GasPriceApi.requestInterval
})
], GasPriceApi.prototype, "fetchGas", null);
return GasPriceApi;
}());
exports.GasPriceApi = GasPriceApi;
//# sourceMappingURL=gas-price-api.js.map