create send-transaction example

examples/send-transaction/index.js

@@ -0,0 +1,45 @@
+// Import Push Chain SDK
+import { CONSTANTS, PushChain } from '@pushchain/devnet';
+// Import utility functions from viem
+import { hexToBytes } from 'viem';
+import { privateKeyToAccount, generatePrivateKey } from 'viem/accounts';
+
+// Generate Private Key
+const privateKey = generatePrivateKey();
+const account = privateKeyToAccount(privateKey);
+
+// Create signer. This is the signer that will be used to sign the transaction.
+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 Push Chain SDK
+const pushChain = await PushChain.initialize(signer);
+
+// Send Transaction
+const tx = await pushChain.tx.send(
+  [
+    {
+      chain: CONSTANTS.CHAIN.SOLANA,
+      chainId: CONSTANTS.CHAIN_ID.SOLANA.DEVNET,
+      account: 'ySYrGNLLJSK9hvGGpoxg8TzWfRe8ftBtDSMECtx2eJR',
+    },
+  ],
+  {
+    category: 'MY_CUSTOM_CATEGORY',
+    data: JSON.stringify({
+      title: 'Hello old friend from Solana!',
+      message: 'Greetings from Ethereum world.',
+    }),
+  }
+);
+
+console.log(tx.txHash);