Upload files to 'SimpleBank'

SimpleBank/SimpleBank.so

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+// SimpleBank contract definition
+contract SimpleBank {
+    // Mapping from addresses to balances
+    mapping(address => uint) private balances;
+    
+    // Event declarations
+    event DepositMade(address indexed accountAddress, uint amount);
+    event WithdrawalMade(address indexed accountAddress, uint withdrawAmount, uint newBalance);
+
+    // Deposit function allows users to deposit Ether into the bank
+    function deposit() public payable {
+        require(msg.value > 0, "Deposit amount must be greater than zero.");
+        balances[msg.sender] += msg.value;
+        emit DepositMade(msg.sender, msg.value);
+    }
+
+    // Withdraw function allows users to withdraw Ether from the bank
+    function withdraw(uint withdrawAmount) public {
+        require(withdrawAmount <= balances[msg.sender], "Insufficient balance.");
+        payable(msg.sender).transfer(withdrawAmount);
+        balances[msg.sender] -= withdrawAmount;
+        emit WithdrawalMade(msg.sender, withdrawAmount, balances[msg.sender]);
+    }
+
+    // Get balance function returns the Ether balance of the user
+    function getBalance() public view returns (uint) {
+        return balances[msg.sender];
+    }
+}

SimpleBank/banking.js

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+const Web3 = require('web3');
+
+// Configuration
+const web3 = new Web3('https://sepolia.infura.io/v3/YOUR_INFURA_PROJECT_ID');
+const account = 'YOUR_ACCOUNT_ADDRESS';
+const privateKey = 'YOUR_PRIVATE_KEY'; // Be cautious with your private key
+const simpleBankContractAddress = 'SIMPLE_BANK_CONTRACT_ADDRESS';
+const simpleBankABI = [
+    // Simplified ABI with only the methods we'll interact with
+    {
+        "constant": false,
+        "inputs": [],
+        "name": "deposit",
+        "outputs": [],
+        "payable": true,
+        "stateMutability": "payable",
+        "type": "function"
+    },
+    {
+        "constant": false,
+        "inputs": [{"name": "withdrawAmount", "type": "uint256"}],
+        "name": "withdraw",
+        "outputs": [],
+        "stateMutability": "nonpayable",
+        "type": "function"
+    }
+];
+
+async function depositEther(amount) {
+    const simpleBank = new web3.eth.Contract(simpleBankABI, simpleBankContractAddress);
+    const transaction = simpleBank.methods.deposit();
+    const options = {
+        to: transaction._parent._address,
+        data: transaction.encodeABI(),
+        gas: await transaction.estimateGas({from: account}),
+        gasPrice: await web3.eth.getGasPrice(),
+        value: web3.utils.toWei(amount.toString(), 'ether')
+    };
+
+    const signed = await web3.eth.accounts.signTransaction(options, privateKey);
+    const receipt = await web3.eth.sendSignedTransaction(signed.rawTransaction);
+    console.log('Transaction receipt:', receipt);
+}
+
+async function withdrawEther(amount) {
+    const simpleBank = new web3.eth.Contract(simpleBankABI, simpleBankContractAddress);
+    const transaction = simpleBank.methods.withdraw(web3.utils.toWei(amount.toString(), 'ether'));
+    const options = {
+        to: transaction._parent._address,
+        data: transaction.encodeABI(),
+        gas: await transaction.estimateGas({from: account}),
+        gasPrice: await web3.eth.getGasPrice(),
+    };
+
+    const signed = await web3.eth.accounts.signTransaction(options, privateKey);
+    const receipt = await web3.eth.sendSignedTransaction(signed.rawTransaction);
+    console.log('Transaction receipt:', receipt);
+}
+
+// Example usage
+depositEther(0.01).then(() => withdrawEther(0.01));