Play around with sign-script and Wallet as signer

scripts/sign-script.js

@@ -3,6 +3,40 @@
 const hre = require("hardhat");
 const eip712 = require("ethers-eip712");
 
+// All properties on a domain are optional
+const domain = {
+    name: 'Ether Mail',
+    version: '1',
+    chainId: 1,
+    verifyingContract: '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC'
+};
+
+// The named list of all type definitions
+const types = {
+    Person: [
+        { name: 'name', type: 'string' },
+        { name: 'wallet', type: 'address' }
+    ],
+    Mail: [
+        { name: 'from', type: 'Person' },
+        { name: 'to', type: 'Person' },
+        { name: 'contents', type: 'string' }
+    ]
+};
+
+// The data to sign
+const value = {
+    from: {
+        name: 'Cow',
+        wallet: '0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826'
+    },
+    to: {
+        name: 'Bob',
+        wallet: '0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB'
+    },
+    contents: 'Hello, Bob!'
+};
+
 async function main() {
     const typedData = {
         types: {
@@ -35,13 +69,30 @@ async function main() {
     const digest = eip712.TypedDataUtils.encodeDigest(typedData)
     const digestHex = ethers.utils.hexlify(digest)
 
-    const wallet = ethers.Wallet.createRandom()
-    console.log("Wallet:", wallet);
+    // Deterministically create test wallets
+    // These are signers that also allow for EIP712 experimental usage
+    var alicePrivateKey = "0x5d9ea1ebfd2b79050f8e2e1a872b7395b110140ff576be442639df6625652bfa";
+    var bobPrivateKey = "0x7b66f4e902540ad3fb3c69a0a78ca9095a2457c4604e2b2855e386d653228e36";
+    var aliceWallet = new ethers.Wallet(alicePrivateKey, ethers.provider);
+    var bobWallet = new ethers.Wallet(bobPrivateKey, ethers.provider);
 
-    const signature = await wallet.signMessage(digest)
+    //var wallet = ethers.Wallet.createRandom()
+    console.log("Wallet:", aliceWallet);
+
+    //const signature = await wallet.signMessage(digest)
+    //var signature = await wallet._signTypedData(digest);
+//    var signers = await ethers.getSigners();
+//    var signer = await ethers.provider.getSigner(0);
+    //var aliceSigner = signers[0];
+    var signature = await aliceWallet._signTypedData(domain, types, value);
     console.log("Signature:", signature);
-}
+    // Verify
 
+// Here at the moment
+// https://github.com/nomiclabs/hardhat/pull/1189/files
+
+    // TODO Try with random wallet and see how this works
+}
 main()
   .then(() => process.exit(0))
   .catch(error => {