smart contract deployed

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "solidity.compileUsingRemoteVersion": "v0.8.25+commit.b61c2a91"
+}

contract/contracts/MultiSigWallet.sol

@@ -1,10 +1,13 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity ^0.8.20;
+pragma solidity ^0.8.19;
-
+// The wallet owners can
+// submit a transaction
+// approve and revoke approval of pending transactions
+// anyone can execute a transaction after enough owners has approved it.
 contract MultiSigWallet {
-    event Deposit (address indexed sender, uint amount, uint balance);
+    event Deposit(address indexed sender, uint amount, uint balance);
-    event SubmitTransaction (
+    event SubmitTransaction(
         address indexed owener,
         uint indexed txIndex,
         address indexed to,
@@ -34,7 +37,12 @@ contract MultiSigWallet {
 
     Transaction[] public transactions;
 
-    modifier txExists(uint _txIndex){
+    modifier onlyOwner() {
+        require(isOwner[msg.sender], "not owner");
+        _;
+    }
+
+    modifier txExists(uint _txIndex) {
         require(_txIndex < transactions.length, "tx does not exist");
         _;
     }
@@ -44,15 +52,18 @@ contract MultiSigWallet {
         _;
     }
 
-    modifier notExecuted(uint _txIndex){
+    modifier notExecuted(uint _txIndex) {
         require(!transactions[_txIndex].executed, "tx already confirmed");
         _;
     }
 
-    constructor(address[] memory _owners, uint _numConfirmationsRequired){
+    constructor(address[] memory _owners, uint _numConfirmationsRequired) {
         require(_owners.length > 0, "owners required");
-        require(_numConfirmationsRequired > 0 && _numConfirmationsRequired <= owners.length,
+        require(
-            "invalid number of required confirmations");
+            _numConfirmationsRequired > 0 &&
+                _numConfirmationsRequired <= _owners.length,
+            "invalid number of required confirmations"
+        );
         for (uint i = 0; i < _owners.length; i++) {
             address owner = _owners[i];
             require(owner != address(0), "invalid owner");
@@ -67,7 +78,11 @@ contract MultiSigWallet {
         emit Deposit(msg.sender, msg.value, address(this).balance);
     }
 
-    function submitTransaction(address _to, uint _value, bytes memory _data) public onlyOwner {
+    function submitTransaction(
+        address _to,
+        uint _value,
+        bytes memory _data
+    ) public onlyOwner {
         uint txIndex = transactions.length;
         transactions.push(
             Transaction({
@@ -83,27 +98,74 @@ contract MultiSigWallet {
 
     function confirmTransaction(
         uint _txIndex
-    ) public onlyOwner txExists(_txIndex) notExecuted(_txIndex) notConfirmed(_txIndex) {
+    )
+        public
+        onlyOwner
+        txExists(_txIndex)
+        notExecuted(_txIndex)
+        notConfirmed(_txIndex)
+    {
         Transaction storage transaction = transactions[_txIndex];
-        transaction.numConfirmations +=1;
+        transaction.numConfirmations += 1;
         isConfirmed[_txIndex][msg.sender] = true;
         emit ConfirmTransaction(msg.sender, _txIndex);
     }
 
-function executeTransaction(uint _txIndex) public onlyOwner txExists(_txIndex) notExecuted(_txIndex){
+    function executeTransaction(
-    Transaction storage transaction = transactions[_txIndex];
+        uint _txIndex
-    require(
+    ) public onlyOwner txExists(_txIndex) notExecuted(_txIndex) {
-        transaction.numConfirmations >=numConfirmationsRequired, "cannot execute tx"
+        Transaction storage transaction = transactions[_txIndex];
-    );
+        require(
-    transaction.executed = true;
+            transaction.numConfirmations >= numConfirmationsRequired,
-    (bool, success, ) = transaction.to.call{value: transaction.value}(transaction.data);
+            "cannot execute tx"
-    require(success, "tx failed");
+        );
-    emit ExecuteTransaction(msg.sender, _txIndex);
+        transaction.executed = true;
-}
+        (bool success, ) = transaction.to.call{value: transaction.value}(
-
+            transaction.data
-    function revokeConfirmation(uint _txIndex) public onlyOwner txExists(_txIndex) notExecuted(_txIndex)  {
+        );
-
+        require(success, "tx failed");
+        emit ExecuteTransaction(msg.sender, _txIndex);
     }
 
+    function revokeConfirmation(
+        uint _txIndex
+    ) public onlyOwner txExists(_txIndex) notExecuted(_txIndex) {
+        Transaction storage transaction = transactions[_txIndex];
+        require(isConfirmed[_txIndex][msg.sender], "tx not confirmed");
+        transaction.numConfirmations -= 1;
+        isConfirmed[_txIndex][msg.sender] = false;
 
-}
+        emit RevokeConfirmation(msg.sender, _txIndex);
+    }
+
+    function getOwners() public view returns (address[] memory) {
+        return owners;
+    }
+
+    function getTransactionCount() public view returns (uint) {
+        return transactions.length;
+    }
+
+    function getTransaction(
+        uint _txIndex
+    )
+        public
+        view
+        returns (
+            address to,
+            uint value,
+            bytes memory data,
+            bool executed,
+            uint numConfirmations
+        )
+    {
+        Transaction storage transaction = transactions[_txIndex];
+        return (
+            transaction.to,
+            transaction.value,
+            transaction.data,
+            transaction.executed,
+            transaction.numConfirmations
+        );
+    }
+}

contract/hardhat.config.ts

@@ -1,12 +1,13 @@
-import {HardhatUserConfig, vars} from "hardhat/config";
+import { HardhatUserConfig, vars } from "hardhat/config";
 import "@nomicfoundation/hardhat-toolbox";
-const INFURA_API_KEY = vars.get("INFURA_API_KEY");
+import dotenv from "dotenv";
-
+dotenv.config();
 const config: HardhatUserConfig = {
   solidity: "0.8.24",
   networks: {
-    sepolia: {
+    polygon: {
-      url: `https://sepolia.infura.io/v3/${INFURA_API_KEY}`,
+      url: `https://polygon-amoy.g.alchemy.com/v2/pEtFFy_Qr_NrM1vMnlzSXmYXkozVNzLy`,
+      accounts: [process.env.POLYGON_PK || ""],
     },
   },
 };

contract/ignition/deployments/chain-80002/artifacts/MultiSigWallet#MultiSigWallet.dbg.json

@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../build-info/61afe259f874fc3da9eb2666746c2273.json"
+}

contract/ignition/deployments/chain-80002/deployed_addresses.json

@@ -0,0 +1,3 @@
+{
+  "MultiSigWallet#MultiSigWallet": "0x375A5bbF574Cd10EaDCd9B632369Ce3644AcaE15"
+}

contract/ignition/modules/MultiSigWallet.ts

@@ -0,0 +1,17 @@
+import { buildModule } from "@nomicfoundation/hardhat-ignition/modules";
+
+const JAN_1ST_2030 = 1893456000;
+const ONE_GWEI: bigint = 1_000_000_000n;
+
+const owners = ["0xfE87F7EF2a58a1f363a444332df6c131C683e35f"];
+
+const MultiSigModule = buildModule("MultiSigWallet", (m) => {
+  const ownerP = m.getParameter("owners", owners);
+  const confirmationsP = m.getParameter("_numConfirmationsRequired", 1);
+
+  const deploy = m.contract("MultiSigWallet", [ownerP, confirmationsP]);
+
+  return { deploy };
+});
+
+export default MultiSigModule;

contract/package-lock.json

@@ -1,9 +1,12 @@
 {
-  "name": "block-accounting",
+  "name": "contract",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
+      "dependencies": {
+        "dotenv": "^16.4.5"
+      },
       "devDependencies": {
         "@nomicfoundation/hardhat-toolbox": "^5.0.0",
         "@types/chai": "^4.3.14",
@@ -3301,6 +3304,17 @@
         "node": ">=8"
       }
     },
+    "node_modules/dotenv": {
+      "version": "16.4.5",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.5.tgz",
+      "integrity": "sha512-ZmdL2rui+eB2YwhsWzjInR8LldtZHGDoQ1ugH85ppHKwpUHL7j7rN0Ti9NCnGiQbhaZ11FpR+7ao1dNsmduNUg==",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/elliptic": {
       "version": "6.5.4",
       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",

contract/package.json

@@ -8,5 +8,8 @@
     "hardhat": "^2.22.3",
     "ts-node": "^10.9.2",
     "typescript": "^5.4.5"
+  },
+  "dependencies": {
+    "dotenv": "^16.4.5"
   }
 }