Solana Kit integration

npm install @cloak.ag/sdk @solana/web3.js @solana/kit

import {
  createUtxo,
  createZeroUtxo,
  generateUtxoKeypair,
  partialWithdraw,
  transact,
} from "@cloak.ag/sdk";
import { address, createSolanaRpc } from "@solana/kit";
import { Connection, Keypair, PublicKey } from "@solana/web3.js";

const rpcUrl = process.env.SOLANA_RPC_URL!;
const relayUrl = process.env.CLOAK_RELAY_URL!;
const programId = new PublicKey(process.env.CLOAK_PROGRAM_ID!);

// Kit client for read paths.
const kitRpc = createSolanaRpc(rpcUrl);

// web3 bridge for Cloak transaction paths.
const connection = new Connection(rpcUrl, "confirmed");
const signer = Keypair.fromSecretKey(/* Uint8Array secret key */);

const { value: before } = await kitRpc.getBalance(address(signer.publicKey.toBase58())).send();

const owner = await generateUtxoKeypair();
const output = await createUtxo(20_000_000n, owner);

const deposit = await transact(
  {
    inputUtxos: [await createZeroUtxo()],
    outputUtxos: [output],
    externalAmount: 20_000_000n,
    depositor: signer.publicKey,
  },
  {
    connection,
    programId,
    relayUrl,
    depositorKeypair: signer,
  }
);

await partialWithdraw(deposit.outputUtxos, Keypair.generate().publicKey, 5_000_000n, {
  connection,
  programId,
  relayUrl,
  depositorKeypair: signer,
  cachedMerkleTree: deposit.merkleTree,
});

const { value: after } = await kitRpc.getBalance(address(signer.publicKey.toBase58())).send();
console.log(before.toString(), after.toString());