@dolomite-exchange/dolomite-margin
Version:
Ethereum Smart Contracts and TypeScript library used for the DolomiteMargin trading protocol
158 lines • 9.09 kB
JavaScript
"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 (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
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) {
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.WalletLogin = void 0;
var web3_1 = __importDefault(require("web3"));
var Signer_1 = require("./Signer");
var types_1 = require("../../src/types");
var Helpers_1 = require("../lib/Helpers");
var BytesHelper_1 = require("../lib/BytesHelper");
var SignatureHelper_1 = require("../lib/SignatureHelper");
var EIP712_WALLET_LOGIN_STRUCT = [
{ type: 'string', name: 'action' },
{ type: 'string', name: 'expiration' },
];
var WalletLogin = /** @class */ (function (_super) {
__extends(WalletLogin, _super);
function WalletLogin(web3, networkId, _a) {
var _b = _a === void 0 ? {} : _a, _c = _b.domain, domain = _c === void 0 ? 'Dolomite' : _c, _d = _b.version, version = _d === void 0 ? '1.0' : _d;
var _this = _super.call(this, web3) || this;
_this.domain = domain;
_this.networkId = networkId;
_this.version = version;
_this.EIP712_WALLET_LOGIN_STRUCT_STRING =
'Dolomite(' + 'string action,' + 'string expiration' + ')';
return _this;
}
WalletLogin.prototype.signLogin = function (expiration, signer, signingMethod) {
return __awaiter(this, void 0, void 0, function () {
var _a, hash, rawSignature, hashSig, unsafeHashSig, data;
var _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_a = signingMethod;
switch (_a) {
case types_1.SigningMethod.Hash: return [3 /*break*/, 1];
case types_1.SigningMethod.UnsafeHash: return [3 /*break*/, 1];
case types_1.SigningMethod.Compatibility: return [3 /*break*/, 1];
case types_1.SigningMethod.TypedData: return [3 /*break*/, 3];
case types_1.SigningMethod.MetaMask: return [3 /*break*/, 3];
case types_1.SigningMethod.MetaMaskLatest: return [3 /*break*/, 3];
case types_1.SigningMethod.CoinbaseWallet: return [3 /*break*/, 3];
}
return [3 /*break*/, 4];
case 1:
hash = this.getWalletLoginHash(expiration);
return [4 /*yield*/, this.web3.eth.sign(hash, signer)];
case 2:
rawSignature = _c.sent();
hashSig = SignatureHelper_1.createTypedSignature(rawSignature, SignatureHelper_1.SIGNATURE_TYPES.DECIMAL);
if (signingMethod === types_1.SigningMethod.Hash) {
return [2 /*return*/, hashSig];
}
unsafeHashSig = SignatureHelper_1.createTypedSignature(rawSignature, SignatureHelper_1.SIGNATURE_TYPES.NO_PREPEND);
if (signingMethod === types_1.SigningMethod.UnsafeHash) {
return [2 /*return*/, unsafeHashSig];
}
if (this.walletLoginIsValid(expiration, unsafeHashSig, signer)) {
return [2 /*return*/, unsafeHashSig];
}
return [2 /*return*/, hashSig];
case 3:
{
data = {
types: (_b = {
EIP712Domain: SignatureHelper_1.EIP712_DOMAIN_STRUCT_NO_CONTRACT
},
_b[this.domain] = EIP712_WALLET_LOGIN_STRUCT,
_b),
domain: this.getDomainData(),
primaryType: this.domain,
message: {
action: 'Login',
expiration: expiration.toUTCString(),
},
};
return [2 /*return*/, this.ethSignTypedDataInternal(signer, data, signingMethod)];
}
_c.label = 4;
case 4: throw new Error("Invalid signing method " + signingMethod);
}
});
});
};
WalletLogin.prototype.walletLoginIsValid = function (expiration, typedSignature, expectedSigner) {
var hash = this.getWalletLoginHash(expiration);
var signer = SignatureHelper_1.ecRecoverTypedSignature(hash, typedSignature);
return BytesHelper_1.addressesAreEqual(signer, expectedSigner) && expiration > new Date();
};
WalletLogin.prototype.getDomainHash = function () {
return web3_1.default.utils.soliditySha3({ t: 'bytes32', v: BytesHelper_1.hashString(SignatureHelper_1.EIP712_DOMAIN_STRING_NO_CONTRACT) }, { t: 'bytes32', v: BytesHelper_1.hashString(this.domain) }, { t: 'bytes32', v: BytesHelper_1.hashString(this.version) }, { t: 'uint256', v: Helpers_1.toString(this.networkId) });
};
WalletLogin.prototype.getWalletLoginHash = function (expiration) {
var structHash = web3_1.default.utils.soliditySha3({ t: 'bytes32', v: BytesHelper_1.hashString(this.EIP712_WALLET_LOGIN_STRUCT_STRING) }, { t: 'bytes32', v: BytesHelper_1.hashString('Login') }, { t: 'bytes32', v: BytesHelper_1.hashString(expiration.toUTCString()) });
return this.getEIP712Hash(structHash);
};
WalletLogin.prototype.getDomainData = function () {
return {
name: this.domain,
version: this.version,
chainId: this.networkId,
};
};
return WalletLogin;
}(Signer_1.Signer));
exports.WalletLogin = WalletLogin;
//# sourceMappingURL=WalletLogin.js.map