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