Update 'SimpleBank/banking.js'

3 weeks ago · 62f48d47fc
1 changed files with 68 additions and 61 deletions
--- a/SimpleBank/banking.js
+++ b/SimpleBank/banking.js
@ -1,61 +1,68 @@
-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));
+// Prereqs:
+// First install npm
+// mkdir SimpleBank
+// cd SimpleBank
+// npm init -y
+// npm install web3
+
+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));