Merge 170dfb2 into 4469516

usage-examples/ether-transactions/transfer-ether.js

@@ -0,0 +1,46 @@
+require('dotenv').config() // this ensures process.env. ... contains your .env file configuration values
+
+const Web3 = require('web3');
+const Tx = require('ethereumjs-tx').Transaction;
+const web3 = new Web3(new Web3.providers.HttpProvider(`https://mainnet.infura.io/v3/${process.env.INFURA_PROJECT_ID}`));
+
+export const transfer = async () => {
+
+    const gasPrice = await web3.eth.getGasPrice()
+
+    // ensure your .env file contains SENDER_WALLET=<sender_wallet_address>
+    const nonce = await web3.eth.getTransactionCount(process.env.SENDER_WALLET, 'pending')
+
+    let txParams = {
+        nonce: web3.utils.toHex(nonce),
+        gasLimit: web3.utils.toHex(web3.utils.toHex(33000)),
+        gasPrice: web3.utils.toHex(gasPrice),
+        from: process.env.SENDER_WALLET, // ensure your .env file contains SENDER_WALLET=<sender_wallet_address>
+        to: process.env.TARGET_WALLET, // ensure your .env file contains TARGET_WALLET=<recipient_wallet_address>
+        value: 0.07 * 1000000000000000000, // this would e.g. transfer 0.07 Ether
+        chainId: web3.utils.toHex(1),
+    }
+    let tx = new Tx(txParams);
+
+    // ensure your .env file contains SENDER_WALLET_PRIVATE_KEY=<sender_wallet_private_key>
+    // always ensure not to publish your .env file to github --> .gitignore it
+    tx.sign(Buffer.from(process.env.SENDER_WALLET_PRIVATE_KEY, 'hex'));
+    tx = "0x" + tx.serialize().toString('hex')
+
+    web3.eth.sendSignedTransaction(tx)
+        .on('transactionHash', (hash) => {
+            console.log(hash);
+        })
+        .on('receipt', (receipt) => {
+            console.log(receipt);
+            return "receipt"
+        })
+        .on('confirmation', (confirmationNumber, receipt) => {
+            console.log(confirmationNumber);
+            console.log(receipt);
+        })
+        .on('error', console.error);
+
+}
+
+transfer()