Avalanche Wallet Client

import { createAvalancheWalletClient } from "@avalanche-sdk/client";
import { avalanche } from "@avalanche-sdk/client/chains";
import { privateKeyToAvalancheAccount } from "@avalanche-sdk/client/accounts";

const account = privateKeyToAvalancheAccount("0x...");

const walletClient = createAvalancheWalletClient({
  account, // Hoist the account, otherwise we can pass a custom provider for injected provider or pass a account for each method
  chain: avalanche,
  transport: { type: "http" },
});

// Chain wallet operations
walletClient.pChain; // P-Chain wallet operations
walletClient.xChain; // X-Chain wallet operations
walletClient.cChain; // C-Chain wallet operations

// Core wallet methods
walletClient.send(); // Send transactions
walletClient.sendXPTransaction(); // Send XP transactions
walletClient.signXPMessage(); // Sign XP messages
walletClient.signXPTransaction(); // Sign XP transactions
walletClient.waitForTxn(); // Wait for transaction confirmation
walletClient.getAccountPubKey(); // Get account public key

import { avaxToNanoAvax } from "@avalanche-sdk/client/utils";

const hash = await walletClient.send({
  to: "0x742d35Cc6634C0532925a3b8D4C9db96C4b4d8b6",
  value: avaxToNanoAvax(0.001), // 0.001 AVAX
});

console.log("Transaction hash:", hash);

// Prepare and send base transaction
const baseTxn = await walletClient.pChain.prepareBaseTxn({
  outputs: [
    {
      addresses: [account.getXPAddress("P")],
      amount: avaxToNanoAvax(0.00001),
    },
  ],
});

const txID = await walletClient.sendXPTransaction(baseTxn);
console.log("P-Chain transaction:", txID);

// Prepare and send base transaction
const xChainTx = await walletClient.xChain.prepareBaseTxn({
  outputs: [
    {
      addresses: ["X-avax18jma8ppw3nhx5r4ap8clazz0dps7rv5ukulre5"],
      amount: avaxToNanoAvax(1), // 1 AVAX
    },
  ],
});

const txID = await walletClient.sendXPTransaction(xChainTx);
console.log("X-Chain transaction:", txID);

// Sign XP message
const signedMessage = await walletClient.signXPMessage({
  message: "Hello Avalanche",
});

console.log("Signed message:", signedMessage);

try {
  await walletClient.waitForTxn({
    txID: "0x...",
    chainAlias: "P",
  });
  console.log("Transaction confirmed!");
} catch (error) {
  console.error("chain confirmation failed:", error);
}