Luhrhenz/as w4 d1

ASSIGNMENT.md

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+# Vault Contract Assignment
+
+## Overview
+This is the Vault contract assignment (as-w4-d1). The Vault contract provides functionality for [contract purpose].
+
+## Setup
+1. Install dependencies: `npm install`
+2. Configure hardhat: See `hardhat.config.ts`
+3. Run tests: `npm test`
+
+## Contract Details
+- **Location**: `Assignment/solidity-assignment7/contracts/vault/`
+- **Language**: Solidity
+
+## Testing
+```bash
+npm test
+```
+
+## Deployment
+```bash
+npx hardhat run scripts/deploy.ts
+```

Assignment/solidity-assignment7/contracts/vault/artifacts/build-info/solc-0_8_28-20629223a15770955c9b8840e528f9d58e5be6d8.json

@@ -0,0 +1,35 @@
+{
+  "_format": "hh3-sol-build-info-1",
+  "id": "solc-0_8_28-20629223a15770955c9b8840e528f9d58e5be6d8",
+  "solcVersion": "0.8.28",
+  "solcLongVersion": "0.8.28+commit.7893614a",
+  "userSourceNameMap": {
+    "contracts/vault.sol": "project/contracts/vault.sol"
+  },
+  "input": {
+    "language": "Solidity",
+    "settings": {
+      "evmVersion": "cancun",
+      "outputSelection": {
+        "*": {
+          "": [
+            "ast"
+          ],
+          "*": [
+            "abi",
+            "evm.bytecode",
+            "evm.deployedBytecode",
+            "evm.methodIdentifiers",
+            "metadata"
+          ]
+        }
+      },
+      "remappings": []
+    },
+    "sources": {
+      "project/contracts/vault.sol": {
+        "content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.28;\n\ncontract TimelockedSavingsVault {\n    struct Vault {\n        uint256 amount;\n        uint256 unlockTime;\n        bool active;\n    }\n\n    uint256 public constant LOCK_DURATION = 24 hours; // Fixed lock duration for every deposit.\n\n    mapping(address => Vault) private vaults;\n\n    event Deposit(address indexed user, uint256 amount, uint256 unlockTime);\n    event Withdraw(address indexed user, uint256 amount);\n\n    function deposit(uint256 unlockTime) external payable {\n        require(msg.value > 0, \"Deposit must be > 0\");\n        require(unlockTime == block.timestamp + 24 hours, \"Unlock time must be exactly 24h\");\n        require(!vaults[msg.sender].active, \"Vault already active\");\n\n        vaults[msg.sender] = Vault({\n            amount: msg.value,\n            unlockTime: unlockTime,\n            active: true\n        });\n\n        emit Deposit(msg.sender, msg.value, unlockTime);\n    }\n\n    function withdraw() external {\n        Vault storage v = vaults[msg.sender];\n        require(v.active, \"No active vault\");\n        require(block.timestamp >= v.unlockTime, \"Too early\");\n        uint256 amount = v.amount;\n        require(amount > 0, \"No balance\");\n\n        v.amount = 0;\n        v.active = false;\n        v.unlockTime = 0;\n\n        (bool success, ) = payable(msg.sender).call{value: amount}(\"\");\n        require(success, \"Withdraw failed\");\n        emit Withdraw(msg.sender, amount);\n    }\n\n    function getVault(address user) external view returns (uint256 amount, uint256 unlockTime, bool active) {\n        Vault storage v = vaults[user];\n        return (v.amount, v.unlockTime, v.active);\n    }\n\n    receive() external payable {\n        revert(\"Direct ETH not allowed\");\n    }\n\n    fallback() external payable {\n        revert(\"Direct ETH not allowed\");\n    }\n}\n"
+      }
+    }
+  }
+}

Assignment/solidity-assignment7/contracts/vault/artifacts/contracts/vault.sol/TimelockedSavingsVault.json

@@ -0,0 +1,128 @@
+{
+  "_format": "hh3-artifact-1",
+  "contractName": "TimelockedSavingsVault",
+  "sourceName": "contracts/vault.sol",
+  "abi": [
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "user",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "unlockTime",
+          "type": "uint256"
+        }
+      ],
+      "name": "Deposit",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "user",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "Withdraw",
+      "type": "event"
+    },
+    {
+      "stateMutability": "payable",
+      "type": "fallback"
+    },
+    {
+      "inputs": [],
+      "name": "LOCK_DURATION",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "unlockTime",
+          "type": "uint256"
+        }
+      ],
+      "name": "deposit",
+      "outputs": [],
+      "stateMutability": "payable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "user",
+          "type": "address"
+        }
+      ],
+      "name": "getVault",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "unlockTime",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bool",
+          "name": "active",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "withdraw",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "stateMutability": "payable",
+      "type": "receive"
+    }
+  ],
+  "bytecode": 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+  "linkReferences": {},
+  "deployedLinkReferences": {},
+  "immutableReferences": {},
+  "inputSourceName": "project/contracts/vault.sol",
+  "buildInfoId": "solc-0_8_28-20629223a15770955c9b8840e528f9d58e5be6d8"
+}