@finn_gal/patchright-wallet-mock-ts
Version:
Mock Web3 Browser wallets, like Metamask, in Patchright tests.
120 lines • 4.86 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.createWallet = createWallet;
const viem_1 = require("viem");
const chains = __importStar(require("viem/chains"));
function createWallet(account, transports, defaultChain) {
let chain = defaultChain ?? getChain();
return {
request: async ({ method, params, }) => {
const client = (0, viem_1.createWalletClient)({
account,
chain,
transport: transports?.[chain.id] ?? (0, viem_1.http)(),
});
if (method === "eth_accounts" || method === "eth_requestAccounts") {
return await client.getAddresses();
}
if (method === "wallet_requestPermissions" ||
method === "wallet_revokePermissions") {
return [{ parentCapability: "eth_accounts" }];
}
if (method === "wallet_getPermissions")
return [];
if (method === "wallet_switchEthereumChain") {
chain = getChain((params?.[0]).chainId);
return null;
}
if (method === "personal_sign") {
return await client.account.signMessage({
message: {
raw: params?.[0],
},
});
}
if (method === "eth_signTypedData") {
throw new Error("eth_signTypedData is not yet supported");
}
if (method === "eth_signTypedData_v3") {
throw new Error("eth_signTypedData_v4 is not yet supported");
}
if (method === "eth_signTypedData_v4") {
const [address, messageJson] = params;
const message = JSON.parse(messageJson);
return await client.account.signTypedData({
domain: message.domain,
types: message.types,
primaryType: message.primaryType,
message: message.message
});
}
if (method === "eth_sendTransaction") {
const from = (params?.[0]).from;
if (from.toLowerCase() !== account.address.toLowerCase()) {
throw new Error("Invalid from address");
}
return await client.sendTransaction({
to: (params?.[0]).to,
data: (params?.[0]).data,
value: BigInt((params?.[0]).value ?? 0),
// Let viem handle the gas calcutation
// gas: (params?.[0] as any).gas ?? (params?.[0] as any).gasLimit,
// gasPrice: (params?.[0] as any).gasPrice,
// maxFeePerGas: (params?.[0] as any).maxFeePerGas,
// maxPriorityFeePerGas: (params?.[0] as any).maxPriorityFeePerGas,
});
}
return await client.request({
method: method,
params: params,
});
},
};
}
function getChain(chainIdHex) {
if (!chainIdHex)
return chains.mainnet;
const chainId = (0, viem_1.fromHex)(chainIdHex, "number");
for (const chain of Object.values(chains)) {
if ("id" in chain) {
if (chain.id === chainId) {
return chain;
}
}
}
return chains.mainnet;
}
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