「🏗️」 wip(wallet): seemingly working

Justfile

@@ -2,10 +2,16 @@
 @default:
 	just -l
 
+@build:
+	forge build
+
 # To lanch the tests via foundry-rs
 @test:
-	forge test
+	forge test -vv
 
 # To generate the ABI in the deployment/ folder
 @abi-gen:
 	solc --abi code/Kanel42_token.sol -o deployment --overwrite
+
+@fmt:
+	forge fmt

code/Kanel42_token.sol

@@ -42,9 +42,9 @@ contract Kanel42_token {
     }
 
     function mint(uint256 _value) public {
-		if ((totalSupply / 16) <= _value) {
-			revert("can't mint more than 1/16 of the supply at a time");
-		}
+        if ((totalSupply / 16) <= _value) {
+            revert("can't mint more than 1/16 of the supply at a time");
+        }
 
         balanceOf[msg.sender] += _value;
         totalMinted += _value;
@@ -52,7 +52,7 @@ contract Kanel42_token {
         emit Transfer(address(0), msg.sender, _value);
     }
 
-	event Transfer(address indexed _from, address indexed _to, uint256 _value);
+    event Transfer(address indexed _from, address indexed _to, uint256 _value);
     event Approval(
         address indexed _owner, address indexed _spender, uint256 _value
     );

code/knlWallet.sol

@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity 0.8.28;
+
+import "./lib/forge-std/src/interfaces/IERC20.sol";
+
+contract knlWallet {
+    struct Transaction {
+        address destination;
+        uint256 value;
+        bool executed;
+        address tokenAddress;
+    }
+
+    address[] public owners;
+    uint256 public required;
+
+    uint256 public transactionCount;
+    mapping(uint256 => Transaction) public transactions;
+    mapping(uint256 => mapping(address => bool)) public confirmations;
+
+    constructor(address[] memory _owners, uint256 _confirmations) {
+        require(_owners.length > 0, "need to have owners");
+        require(_confirmations > 0, "need to have a number of confirmation");
+        require(
+            _confirmations <= _owners.length,
+            "need to have more or equals owners than confirmation"
+        );
+
+        owners = _owners;
+        required = _confirmations;
+    }
+
+    modifier isOwner() {
+        for (uint256 i = 0; i < owners.length; i++) {
+            if (owners[i] == msg.sender) {
+				_;
+				return;
+            }
+        }
+		revert("need to be owner");
+    }
+
+    receive() external payable { }
+
+    function isConfirmed(uint256 transactionId) public view returns (bool) {
+        return getConfirmationsCount(transactionId) >= required;
+    }
+
+    function getConfirmationsCount(uint256 transactionId)
+        public
+        view
+        returns (uint256)
+    {
+        uint256 count;
+        for (uint256 i = 0; i < owners.length; i++) {
+            if (confirmations[transactionId][owners[i]]) {
+                count++;
+            }
+        }
+        return count;
+    }
+
+    function addTransaction(
+        address destination,
+        uint256 value,
+        address tokenAddress
+    ) public isOwner returns (uint256) {
+        transactions[transactionCount] =
+            Transaction(destination, value, false, tokenAddress);
+
+        transactionCount += 1;
+        return transactionCount - 1;
+    }
+
+    function confirmTransaction(uint256 transactionId) public isOwner {
+        confirmations[transactionId][msg.sender] = true;
+        if (isConfirmed(transactionId)) {
+            executeTransaction(transactionId);
+        }
+    }
+
+    function submitTransaction(
+        address payable dest,
+        uint256 value,
+        address tokenAddress
+    ) external isOwner {
+        uint256 id = addTransaction(dest, value, tokenAddress);
+        confirmTransaction(id);
+    }
+
+    function executeTransaction(uint256 transactionId) public isOwner {
+        require(isConfirmed(transactionId), "transaction has not been confirmed");
+        Transaction storage _tx = transactions[transactionId];
+
+        if (_tx.tokenAddress == address(0)) {
+            // Handle Ether transfer
+            (bool success,) = _tx.destination.call{ value: _tx.value }("");
+            require(success);
+        } else {
+            // Handle ERC-20 token transfer
+            IERC20 token = IERC20(_tx.tokenAddress);
+            require(
+                token.transfer(_tx.destination, _tx.value),
+                "Failed to transfer ERC20 tokens"
+            );
+        }
+
+        _tx.executed = true;
+    }
+}

code/test/KNL_wallet.t.sol

@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.28;
+
+import "../lib/forge-std/src/Test.sol";
+import { console } from "../lib/forge-std/src/console.sol";
+import "../knlWallet.sol";
+import "../Kanel42_token.sol";
+
+contract KNLwalletTest is Test {
+    Kanel42_token public token;
+	knlWallet public wallet;
+
+    address owner1 = address(1);
+    address owner2 = address(2);
+    address owner3 = address(3);
+    address owner4 = address(4);
+
+	address to = address(5);
+
+    function setUp() public {
+		address[] memory owners = new address[](4);
+		owners[0] = owner1;
+		owners[1] = owner2;
+		owners[2] = owner3;
+		owners[3] = owner4;
+        wallet = new knlWallet(owners, 3);
+        token = new Kanel42_token();
+
+		console.log(wallet.owners(0));
+
+        token.mint(10 * (10 ** token.decimals()));
+		vm.prank(owner3);
+		token.mint(4 * (10 ** token.decimals()));
+		token.transfer(address(wallet), 4 * (10 ** token.decimals()));
+    }
+
+	function testAdd() public {
+		vm.prank(owner1);
+		wallet.addTransaction(payable(to), 1, address(token));
+	}
+
+	function testConfirm() public {
+		vm.prank(owner1);
+		wallet.submitTransaction(payable(to), 1, address(token));
+
+		uint tr = wallet.transactionCount() - 1;
+
+		vm.prank(owner2);
+		wallet.confirmTransaction(tr);
+
+		vm.prank(owner3);
+		wallet.confirmTransaction(tr);
+
+		vm.prank(owner4);
+		wallet.confirmTransaction(tr);
+	}
+}

code/test/Kanel42_token.t.sol

@@ -11,7 +11,7 @@ contract Kanel42TokenTest is Test {
     // This function runs before each test
     function setUp() public {
         token = new Kanel42_token();
-		vm.deal(address(token), 1 ether);
+        vm.deal(address(token), 1 ether);
     }
 
     // Test the initial supply of the token
@@ -20,40 +20,25 @@ contract Kanel42TokenTest is Test {
         assertEq(token.totalMinted(), 0);
     }
 
-	function testMint() public {
-		// Define the amount of ether to send for minting
-		uint256 mintAmount = 1 * (10 ** token.decimals());
+    function testMint() public {
+        // Define the amount of ether to send for minting
+        uint256 mintAmount = 1 * (10 ** token.decimals());
 
-		// Get the initial balance of the sender
-		uint256 initialBalance = token.balanceOf(address(this));
+        // Get the initial balance of the sender
+        uint256 initialBalance = token.balanceOf(address(this));
 
-		// Mint tokens by sending ether
-		token.mint(mintAmount);
+        // Mint tokens by sending ether
+        token.mint(mintAmount);
 
-		// Check if the balance increased as expected
-		uint256 expectedMintedAmount = mintAmount;
-		uint256 finalBalance = token.balanceOf(address(this));
-		assertEq(finalBalance - initialBalance, expectedMintedAmount, "Minted amount is incorrect");
-	}
-
-	function testBurn() public {
-		// First, mint some tokens to burn
-		uint256 mintAmount = 1 * (10 ** token.decimals());
-		token.mint(mintAmount);
-
-		// Get the initial balance of the sender
-		uint256 initialBalance = token.balanceOf(address(this));
-
-		// Define the amount of tokens to burn
-		uint256 burnAmount = mintAmount;
-
-		// Burn tokens
-		token.burn(burnAmount);
-
-		// Check if the balance decreased as expected
-		uint256 finalBalance = token.balanceOf(address(this));
-		assertEq(initialBalance - finalBalance, burnAmount, "Burned amount is incorrect");
-	}
+        // Check if the balance increased as expected
+        uint256 expectedMintedAmount = mintAmount;
+        uint256 finalBalance = token.balanceOf(address(this));
+        assertEq(
+            finalBalance - initialBalance,
+            expectedMintedAmount,
+            "Minted amount is incorrect"
+        );
+    }
 
     // Test transferring tokens
     function testTransfer() public {