تكامل عميل Kit

pnpm add @solana/kora @solana/kit

import { createKitKoraClient } from "@solana/kora";
import { address } from "@solana/kit";

const client = await createKitKoraClient({
  endpoint: "http://localhost:8080", // Kora RPC endpoint
  rpcUrl: "http://127.0.0.1:8899", // Solana RPC for CU estimation
  feeToken: address("EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"), // USDC mint
  feePayerWallet: userSigner // TransactionSigner for fee payment
});

import { createKitKoraClient } from "@solana/kora";
import { tokenProgram } from "@solana-program/token";
import { address } from "@solana/kit";

const koraClient = await createKitKoraClient({
  endpoint: "http://localhost:8080",
  rpcUrl: "http://127.0.0.1:8899",
  feeToken: address("EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"),
  feePayerWallet: userSigner
});

// Compose with the token program plugin
const client = koraClient.use(tokenProgram());

// Use token program methods — Kora handles all fee abstraction
await client.token.instructions
  .transferToATA({
    source: userTokenAccount,
    destination: recipientAddress,
    amount: 1_000_000n, // 1 USDC
    authority: userSigner
  })
  .sendTransaction();

// Get server configuration
const config = await client.kora.getConfig();

// Get supported fee tokens
const { tokens } = await client.kora.getSupportedTokens();

// Estimate fees for an arbitrary transaction
const estimate = await client.kora.estimateTransactionFee({
  transaction: base64EncodedTx,
  fee_token: "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
});

import { TOKEN_2022_PROGRAM_ADDRESS } from "@solana-program/token-2022";

const client = await createKitKoraClient({
  endpoint: "http://localhost:8080",
  rpcUrl: "http://127.0.0.1:8899",
  feeToken: address("your-token-2022-mint"),
  feePayerWallet: userSigner,
  tokenProgramId: TOKEN_2022_PROGRAM_ADDRESS
});

const client = await createKitKoraClient({
  // ...
  computeUnitLimit: 200_000,
  computeUnitPrice: 1_000_000n // priority fee in micro-lamports
});