@eth-optimism/ethereumjs-vm
Version:
An Ethereum VM implementation
207 lines • 10.4 kB
JavaScript
"use strict";
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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.OvmStateManager = void 0;
/* External Imports */
var BN = require("bn.js");
var buffer_utils_1 = require("./utils/buffer-utils");
var constants_1 = require("./utils/constants");
var OvmStateManager = /** @class */ (function () {
function OvmStateManager(opts) {
this.vm = opts.vm;
this._iface = this.vm.contracts.OVM_StateManager.iface;
this._handlers = {
hasAccount: this.hasAccount.bind(this),
hasEmptyAccount: this.hasEmptyAccount.bind(this),
setAccountNonce: this.setAccountNonce.bind(this),
getAccountNonce: this.getAccountNonce.bind(this),
getAccountEthAddress: this.getAccountEthAddress.bind(this),
getContractStorage: this.getContractStorage.bind(this),
hasContractStorage: this.hasContractStorage.bind(this),
putContractStorage: this.putContractStorage.bind(this),
testAndSetAccountLoaded: this.testAndSetAccountLoaded.bind(this),
testAndSetAccountChanged: this.testAndSetAccountChanged.bind(this),
testAndSetContractStorageLoaded: this.testAndSetContractStorageLoaded.bind(this),
testAndSetContractStorageChanged: this.testAndSetContractStorageChanged.bind(this),
isAuthenticated: this.isAuthenticated.bind(this),
};
}
OvmStateManager.prototype.isAuthenticated = function (message, context) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, true];
});
});
};
OvmStateManager.prototype.handleCall = function (message, context) {
return __awaiter(this, void 0, void 0, function () {
var methodId, fragment, functionArgs, ret, encodedRet;
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
methodId = '0x' + message.data.slice(0, 4).toString('hex');
fragment = this._iface.getFunction(methodId);
functionArgs = this._iface.decodeFunctionData(fragment, buffer_utils_1.toHexString(message.data));
if (!(fragment.name in this._handlers)) return [3 /*break*/, 2];
return [4 /*yield*/, (_a = this._handlers)[fragment.name].apply(_a, functionArgs)];
case 1:
ret = _b.sent();
ret = ret === null || ret === undefined ? ret : [ret];
_b.label = 2;
case 2:
try {
encodedRet = this._iface.encodeFunctionResult(fragment, ret);
return [2 /*return*/, buffer_utils_1.fromHexString(encodedRet)];
}
catch (err) {
console.log("Caught encoding error in ovmStateManager: " + err);
throw err;
}
return [2 /*return*/];
}
});
});
};
OvmStateManager.prototype.hasAccount = function (address) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, true];
});
});
};
OvmStateManager.prototype.hasEmptyAccount = function (address) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, true];
});
});
};
OvmStateManager.prototype.setAccountNonce = function (address, nonce) {
return __awaiter(this, void 0, void 0, function () {
var account;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.vm.pStateManager.getAccount(buffer_utils_1.fromHexString(address))];
case 1:
account = _a.sent();
account.nonce = new BN(nonce.toNumber()).toArrayLike(Buffer);
return [2 /*return*/, this.vm.pStateManager.putAccount(buffer_utils_1.fromHexString(address), account)];
}
});
});
};
OvmStateManager.prototype.getAccountNonce = function (address) {
return __awaiter(this, void 0, void 0, function () {
var account;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.vm.pStateManager.getAccount(buffer_utils_1.fromHexString(address))];
case 1:
account = _a.sent();
return [2 /*return*/, new BN(account.nonce).toNumber()];
}
});
});
};
OvmStateManager.prototype.getAccountEthAddress = function (address) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, address];
});
});
};
OvmStateManager.prototype.getContractStorage = function (address, key) {
return __awaiter(this, void 0, void 0, function () {
var ret;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.vm.pStateManager.getContractStorage(buffer_utils_1.fromHexString(address), buffer_utils_1.fromHexString(key))];
case 1:
ret = _a.sent();
return [2 /*return*/, ret.length ? buffer_utils_1.toHexString(ret) : constants_1.NULL_BYTES32];
}
});
});
};
OvmStateManager.prototype.hasContractStorage = function (address, key) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, true];
});
});
};
OvmStateManager.prototype.putContractStorage = function (address, key, value) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.vm.pStateManager.putContractStorage(buffer_utils_1.fromHexString(address), buffer_utils_1.fromHexString(key), buffer_utils_1.fromHexString(value))];
});
});
};
OvmStateManager.prototype.testAndSetAccountLoaded = function (address) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, true];
});
});
};
OvmStateManager.prototype.testAndSetAccountChanged = function (address) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, true];
});
});
};
OvmStateManager.prototype.testAndSetContractStorageLoaded = function (address, key) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, true];
});
});
};
OvmStateManager.prototype.testAndSetContractStorageChanged = function (address, key) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, true];
});
});
};
return OvmStateManager;
}());
exports.OvmStateManager = OvmStateManager;
//# sourceMappingURL=ovm-state-manager.js.map