create quickstart example

examples/chain-quickstart/index.js

@@ -0,0 +1,58 @@
+// Import required modules
+import { PushChain, CONSTANTS } from '@pushchain/devnet';
+import { hexToBytes } from 'viem';
+import { generatePrivateKey, privateKeyToAccount } from 'viem/accounts';
+
+// ====================================================================
+// Initialize Push Chain SDK without a signer. This is used for *read-only* operations.
+// ====================================================================
+const pushChainReadOnly = await PushChain.initialize();
+console.log(
+  'Initialized PushChain in read-only mode. Fetching the latest transaction:'
+);
+console.log(await pushChainReadOnly.tx.get('*', { limit: 1 }));
+
+// ====================================================================
+// Initialize Push Chain SDK with a signer. This is used for *read-write* operations.
+// ====================================================================
+
+// Generate Private Key
+const privateKey = generatePrivateKey();
+const account = privateKeyToAccount(privateKey);
+
+const signer = {
+  chain: CONSTANTS.CHAIN.ETHEREUM,
+  chainId: CONSTANTS.CHAIN_ID.ETHEREUM.SEPOLIA,
+  address: account.address, // Ethereum address derived from the private key
+  signMessage: async (data) => {
+    const signature = await account.signMessage({
+      message: { raw: data }, // Data to be signed
+    });
+    return hexToBytes(signature); // Convert signature to a byte array
+  },
+};
+
+// Initialize the SDK with the Signer
+const pushChainReadWrite = await PushChain.initialize(signer);
+console.log('Initialized PushChain with a signer for read-write operations.');
+console.log('Signer details:', {
+  chain: signer.chain,
+  chainId: signer.chainId,
+  address: signer.address,
+});
+
+const tx = await pushChainReadWrite.tx.send(
+  [
+    {
+      chain: CONSTANTS.CHAIN.SOLANA,
+      chainId: CONSTANTS.CHAIN_ID.SOLANA.DEVNET,
+      account: 'ySYrGNLLJSK9hvGGpoxg8TzWfRe8ftBtDSMECtx2eJR',
+    },
+  ],
+  {
+    category: 'MY_CUSTOM_CATEGORY',
+    data: 'Hi!',
+  }
+);
+
+console.log('Transaction sent successfully! Transaction hash:', tx.txHash);