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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@celo/contractkit/lib/wrappers
Просмотр файла: StableTokenRegistry.js
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
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 __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.StableTokenRegistryWrapper = void 0;
var web3_1 = __importDefault(require("web3"));
var BaseWrapper_1 = require("./BaseWrapper");
/**
* Splits a string with concatenated contract names into each individual name.
* @param contractHex concatenated contract names
* @param lengths their lengths
* @return string array containing contract names
*/
var splitContractNamesByLength = function (contractsHex, lengths) {
var contracts = web3_1.default.utils.hexToUtf8(contractsHex);
var currentIndex = 0;
var contractsArr = [];
for (var _i = 0, lengths_1 = lengths; _i < lengths_1.length; _i++) {
var length_1 = lengths_1[_i];
var contract = contracts.slice(currentIndex, currentIndex + Number(length_1));
currentIndex += Number(length_1);
contractsArr.push(contract);
}
return contractsArr;
};
var StableTokenRegistryWrapper = /** @class */ (function (_super) {
__extends(StableTokenRegistryWrapper, _super);
function StableTokenRegistryWrapper() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.fiatTickers = (0, BaseWrapper_1.proxyCall)(_this.contract.methods.fiatTickers);
_this.stableTokens = (0, BaseWrapper_1.proxyCall)(_this.contract.methods.stableTokens);
return _this;
}
/**
* Returns a stringified array of stable token contracts
* @return string array containing contract names
*/
StableTokenRegistryWrapper.prototype.getContractInstances = function () {
return __awaiter(this, void 0, void 0, function () {
var values, concatenatedContracts, contractLengths;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.contract.methods.getContractInstances().call()];
case 1:
values = _a.sent();
concatenatedContracts = values[0];
contractLengths = values[1];
return [2 /*return*/, splitContractNamesByLength(concatenatedContracts, contractLengths)];
}
});
});
};
StableTokenRegistryWrapper.prototype.getFiatTickers = function () {
return __awaiter(this, void 0, void 0, function () {
var convertedToHex, index, fiatTicker, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
convertedToHex = [];
index = 0;
_a.label = 1;
case 1:
if (!true) return [3 /*break*/, 6];
fiatTicker = void 0;
_a.label = 2;
case 2:
_a.trys.push([2, 4, , 5]);
return [4 /*yield*/, this.fiatTickers(index)];
case 3:
fiatTicker = _a.sent();
return [3 /*break*/, 5];
case 4:
error_1 = _a.sent();
return [2 /*return*/, convertedToHex];
case 5:
convertedToHex.push(web3_1.default.utils.hexToUtf8(fiatTicker));
index++;
return [3 /*break*/, 1];
case 6: return [2 /*return*/];
}
});
});
};
/**
* Queries the mapping using a fiatTicker
* @return queried stableTokenContractName
*/
StableTokenRegistryWrapper.prototype.queryStableTokenContractNames = function (fiatTicker) {
return __awaiter(this, void 0, void 0, function () {
var res;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.stableTokens(web3_1.default.utils.utf8ToHex(fiatTicker))];
case 1:
res = _a.sent();
return [2 /*return*/, web3_1.default.utils.hexToUtf8(res)];
}
});
});
};
return StableTokenRegistryWrapper;
}(BaseWrapper_1.BaseWrapper));
exports.StableTokenRegistryWrapper = StableTokenRegistryWrapper;
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