Added a h160-to-ss58 converter script

examples/eth-addr-format-to-ss58.js

@@ -0,0 +1,19 @@
+const { ethers } = require('ethers');
+const { ApiPromise, WsProvider, Keyring } = require('@polkadot/api');
+const { convertH160ToSS58 } = require('./address-mapping.js');
+
+// PROTECT YOUR PRIVATE KEYS WELL, NEVER COMMIT THEM TO GITHUB OR SHARE WITH ANYONE
+const { ethPrivateKey, subSeed, rpcUrl, wsUrl } = require('./config.js');
+
+async function main() {
+  // Get ethereum address that matches the private key from the secrets file
+  // const recipientEthereumAddress = "put your destination address here";
+  // const recipientEthereumAddress = "0x709615c655B24919F48B365D292521EFcC74467B";
+  const recipientEthereumAddress = "0xd685a847471F7f07Ce36f89F99C198B098B13817";
+  const ss58Address = convertH160ToSS58(recipientEthereumAddress);
+  console.log(`For your Ethereum H160 address: ${recipientEthereumAddress}, the SS58 address is: ${ss58Address}`);
+  process.exit(0);
+}
+
+main().catch(console.error);
+console.warn = () => {};