olympus-protocol-connector
Version:
Module made by Olympus Labs for easier access to the Olympus protocol through Javascript/Typescript
179 lines • 8.65 kB
JavaScript
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
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) {
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) : new P(function (resolve) { resolve(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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var Promisify_1 = require("../../utils/Promisify");
var bignumber_js_1 = require("bignumber.js");
var config_1 = require("../../config");
var Service_1 = require("../../Service");
var ERC20Extended_1 = require("../../derivatives/abi/ERC20Extended");
var ERC20Service = /** @class */ (function (_super) {
__extends(ERC20Service, _super);
function ERC20Service(address) {
return _super.call(this, address, ERC20Extended_1.ERC20Extend_ABI) || this;
}
/**
* @deprecated Use method create
*/
ERC20Service.get = function (address) {
return ERC20Service.create(address);
};
ERC20Service.create = function (address) {
return new ERC20Service(address);
};
ERC20Service.balancesOf = function (wallet, tokensAddresses) {
return __awaiter(this, void 0, void 0, function () {
var balances;
return __generator(this, function (_a) {
balances = Promise.all(tokensAddresses.map(function (tokenAddress) {
return new ERC20Service(tokenAddress).balanceOf(wallet);
}));
return [2 /*return*/, balances];
});
});
};
ERC20Service.prototype.decimals = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.retryRequest('decimals', new bignumber_js_1.default(NaN))];
});
});
};
/**
* balance of ERC20,
* it's important remain raw balanceOf, should not div, use method valueOf instead of this;
* @param address address
*/
ERC20Service.prototype.balanceOf = function (address) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.retryRequest('balanceOf', new bignumber_js_1.default(NaN), address)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* value of balance div decimals;
* @param address address
*/
ERC20Service.prototype.valueOf = function (address) {
return __awaiter(this, void 0, void 0, function () {
var balance, decimals;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.balanceOf(address)];
case 1:
balance = _a.sent();
return [4 /*yield*/, this.decimals()];
case 2:
decimals = _a.sent();
return [2 /*return*/, balance.div(new bignumber_js_1.default(10).pow(decimals.toNumber()))];
}
});
});
};
ERC20Service.prototype.approve = function (toAddress, amount, gasPrice) {
return __awaiter(this, void 0, void 0, function () {
var data, gasLimit, tx;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
data = this.contract.approve.getData(toAddress, amount);
return [4 /*yield*/, this.calculateApprovalGas(toAddress, amount)];
case 1:
gasLimit = _a.sent();
return [4 /*yield*/, this.rpcService.buildTx({
to: this.address,
data: data,
gasPrice: gasPrice,
gasLimit: gasLimit,
caller: 'ERC20Service.approve',
description: "Approve token " + toAddress + " with amount " + amount,
})];
case 2:
tx = _a.sent();
return [2 /*return*/, tx];
}
});
});
};
ERC20Service.prototype.calculateApprovalGas = function (toAddress, amount) {
return __awaiter(this, void 0, void 0, function () {
var gasLimit, txEnvelop_1, e_1;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
txEnvelop_1 = { from: this.rpcService.MainAddress, value: 0, to: this.address };
return [4 /*yield*/, Promisify_1.Promisify(function (callback) {
return _this.contract.approve.estimateGas(toAddress, amount, txEnvelop_1, callback);
})];
case 1:
gasLimit = _a.sent();
return [3 /*break*/, 3];
case 2:
e_1 = _a.sent();
gasLimit = config_1.default.gasLimit;
return [3 /*break*/, 3];
case 3: return [2 /*return*/, Math.round(gasLimit * config_1.default.gasMargin)];
}
});
});
};
ERC20Service.prototype.getTotalSupply = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.retryRequest('totalSupply', new bignumber_js_1.default(NaN))];
});
});
};
return ERC20Service;
}(Service_1.Service));
exports.ERC20Service = ERC20Service;
//# sourceMappingURL=ERC20Service.js.map