Merge pull request #681 from input-output-hk/feat/address-generator

feat: add script to generate addreses

scripts/generate-addresses.js

@@ -0,0 +1,43 @@
+// Usage: node scripts/generate-addresses.js 10000 1
+// Where 10000 is # of addresses, and 1 is NetworkId (mainnet)
+
+/* eslint-disable import/no-extraneous-dependencies */
+const { Cardano } = require('@cardano-sdk/core');
+const { util, InMemoryKeyAgent } = require('@cardano-sdk/key-management');
+const Crypto = require('@cardano-sdk/crypto');
+const CML = require('@emurgo/cardano-serialization-lib-nodejs');
+const fs = require('fs');
+
+const mnemonicWords = util.generateMnemonicWords();
+const numAddresses = Number.parseInt(process.argv[2]);
+const networkId = Number.parseInt(process.argv[3]);
+const passphrase = 'passphrase';
+
+(async () => {
+  const keyAgent = await InMemoryKeyAgent.fromBip39MnemonicWords(
+    {
+      accountIndex: 0,
+      chainId: networkId === 0 ? Cardano.ChainIds.Preprod : Cardano.ChainIds.Mainnet,
+      getPassphrase: async () => passphrase,
+      mnemonic2ndFactorPassphrase: passphrase,
+      mnemonicWords
+    },
+    {
+      bip32Ed25519: new Crypto.CmlBip32Ed25519(CML),
+      inputResolver: {},
+      logger: console
+    }
+  );
+
+  const addresses = [];
+  let index = 0;
+  while (addresses.length < numAddresses) {
+    const { address, rewardAccount } = await keyAgent.deriveAddress({ index: index++, type: 0 });
+    addresses.push({
+      address,
+      stake_address: rewardAccount,
+      tx_count: 0
+    });
+  }
+  fs.writeFileSync('addreses.json', JSON.stringify(addresses));
+})();