fix: handler.mjs

packages/pkp-ethers/src/lib/handler.spec.mjs

@@ -0,0 +1,97 @@
+import { PKPEthersWallet, requestHandler } from '@lit-protocol/pkp-ethers';
+import { ethers } from 'ethers';
+import {
+  SignTypedDataVersion,
+  recoverTypedSignature,
+} from '@metamask/eth-sig-util';
+
+const LITCONFIG = {
+  test: {
+    sendRealTxThatCostsMoney: false,
+  },
+  MNEUMONIC:
+    'island arrow object divide umbrella snap essay seminar top develop oyster success',
+  RPC_ENDPOINT: 'https://cosmos-mainnet-rpc.allthatnode.com:26657',
+  RECIPIENT: 'cosmos1jyz3m6gxuwceq63e44fqpgyw2504ux85ta8vma',
+  DENOM: 'uatom',
+  AMOUNT: 1,
+  DEFAULT_GAS: 0.025,
+  CONTROLLER_AUTHSIG: {
+    sig: '0x7dadeec2ed2db9b17e32c858724a9cf718470568f40035b6d72d15ddf99375f139aa67298dbc9f06c5aa2296d6db95b2e976b005fae463c7ee982e341bf0b1861c',
+    derivedVia: 'web3.eth.personal.sign',
+    signedMessage:
+      'localhost:4003 wants you to sign in with your Ethereum account:\n0x18f987D15a973776f6a60652B838688a1833fE95\n\n\nURI: http://localhost:4003/\nVersion: 1\nChain ID: 1\nNonce: o0ihUgFpC5RaAFQGf\nIssued At: 2023-03-29T17:37:59.343Z\nExpiration Time: 2297-01-10T17:37:40.600Z',
+    address: '0x18f987d15a973776f6a60652b838688a1833fe95',
+  },
+  PKP_PUBKEY:
+    '0x04cd5fc4b661a2ae2dc425aa42abbfeaa187c07063928322a8c748ebb7611868144c0ff28b1910faeafedea914ec8a23baa579b6ff7f03efa322e7eb098e62dd8f',
+  PKP_ADDRESS: '0xf675E8Cdc5DbE5f78a47D23A3b1CCD07b986f17f',
+};
+
+const pkpEthersWallet = new PKPEthersWallet({
+  controllerAuthSig: LITCONFIG.CONTROLLER_AUTHSIG,
+  pkpPubKey: LITCONFIG.PKP_PUBKEY,
+  rpc: LITCONFIG.RPC_ENDPOINT,
+});
+
+await pkpEthersWallet.init();
+
+const msgParams = {
+  types: {
+    EIP712Domain: [
+      { name: 'name', type: 'string' },
+      { name: 'version', type: 'string' },
+      { name: 'chainId', type: 'uint256' },
+      { name: 'verifyingContract', type: 'address' },
+    ],
+    Person: [
+      { name: 'name', type: 'string' },
+      { name: 'wallet', type: 'address' },
+    ],
+    Mail: [
+      { name: 'from', type: 'Person' },
+      { name: 'to', type: 'Person' },
+      { name: 'contents', type: 'string' },
+    ],
+  },
+  primaryType: 'Mail',
+  domain: {
+    name: 'Ether Mail',
+    version: '1',
+    chainId: 80001,
+    verifyingContract: '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC',
+  },
+  message: {
+    from: {
+      name: 'Cow',
+      wallet: '0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826',
+    },
+    to: {
+      name: 'Bob',
+      wallet: '0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB',
+    },
+    contents: 'Hello, Bob!',
+  },
+};
+
+const msgParamStr = JSON.stringify(msgParams);
+
+const payload = {
+  method: 'eth_signTypedData',
+  params: [LITCONFIG.PKP_ADDRESS, msgParamStr],
+};
+
+const signature = await requestHandler({
+  signer: pkpEthersWallet,
+  payload,
+});
+
+const signatureBytes = ethers.utils.arrayify(signature);
+
+const recoveredAddr = recoverTypedSignature({
+  data: msgParams,
+  signature: signatureBytes,
+  version: SignTypedDataVersion.V3,
+});
+
+console.log('recoveredAddr', recoveredAddr);