import { Keypair, Connection, SystemProgram, PublicKey, Transaction } from "@solana/web3.js";  
import secret from "../wallet.json";  
  
const RPC_ENDPOINT_URL = "https://api.devnet.solana.com";  
const COMMITMENT = 'confirmed';  
  
async function main() {  
  // Initialize a connection to the RPC and read in private key  
  const connection = new Connection(RPC_ENDPOINT_URL, COMMITMENT);  
  const keypair = Keypair.fromSecretKey(new Uint8Array(secret));  
  console.log("endpoint:", connection.rpcEndpoint);  
  console.log("wallet pubkey:", keypair.publicKey.toBase58());  
  
  // SOL destination  
  const dest_pubkey = new PublicKey("vQW71yo6X1FjTwt9gaWtHYeoGMu7W9ehSmNiib7oW5G");  
  
  // Amount to send  
  const amount = 10_000_000; // lamports = 0.01 SOL  
  
  // Build the instruction to send SOL  
  const transfer_ix = SystemProgram.transfer({  
    fromPubkey: keypair.publicKey,  
    toPubkey: dest_pubkey,  
    lamports: amount,  
  });  
  
  // Create a transaction and add the instruction  
  const tx = new Transaction();  
  tx.add(transfer_ix);  
  
  // Send the transaction  
  const signers = [keypair];  
  const signature = await connection.sendTransaction(tx, signers);  
  console.log("signature:", signature);  
  
  // Wait for the transaction to complete  
  const latestBlockhash = await connection.getLatestBlockhash();  
  await connection.confirmTransaction({  
    blockhash: latestBlockhash.blockhash,  
    lastValidBlockHeight: latestBlockhash.lastValidBlockHeight,  
    signature  
  });  
}  
  
main();

$ ts-node ./src/013_transfer_sol.ts  
endpoint: https://api.devnet.solana.com  
wallet pubkey: FptVFacYhPrwScJayvKXvwjGeZRbefnnEcgmSQkoRAXB  
signature: 2EiiHe5JqpbJTUChaeZwUiAEtRtvD9BwWHqX5pKaHhMA5hPEyCuQwEDLjtjHZY6QnHybLdfTS9Rv6k75tLisnf8N

import { Keypair, Connection, PublicKey, Transaction } from "@solana/web3.js";  
import { TOKEN_PROGRAM_ID, AccountLayout, getAssociatedTokenAddressSync, createTransferCheckedInstruction } from "@solana/spl-token";  
import { resolveOrCreateATA, ZERO } from "@orca-so/common-sdk";  
import secret from "../wallet.json";  
  
const RPC_ENDPOINT_URL = "https://api.devnet.solana.com";  
const COMMITMENT = 'confirmed';  
  
async function main() {  
  // Initialize a connection to the RPC and read in private key  
  const connection = new Connection(RPC_ENDPOINT_URL, COMMITMENT);  
  const keypair = Keypair.fromSecretKey(new Uint8Array(secret));  
  console.log("endpoint:", connection.rpcEndpoint);  
  console.log("wallet pubkey:", keypair.publicKey.toBase58());  
  
  // devSAMO  
  // https://everlastingsong.github.io/nebula/  
  const DEV_SAMO_MINT = new PublicKey("Jd4M8bfJG3sAkd82RsGWyEXoaBXQP7njFzBwEaCTuDa");  
  const DEV_SAMO_DECIMALS = 9;  
  
  // Destination wallet for the devSAMO  
  const dest_pubkey = new PublicKey("vQW71yo6X1FjTwt9gaWtHYeoGMu7W9ehSmNiib7oW5G");  
  
  // Amount to send  
  const amount = 1_000_000_000; // 1 devSAMO  
  
  // Obtain the associated token account from the source wallet  
  const src_token_account = getAssociatedTokenAddressSync(DEV_SAMO_MINT, keypair.publicKey);  
  
  // Obtain the associated token account for the destination wallet.  
  const {address: dest_token_account, ...create_ata_ix} = await resolveOrCreateATA(  
    connection,  
    dest_pubkey,  
    DEV_SAMO_MINT,  
    ()=>connection.getMinimumBalanceForRentExemption(AccountLayout.span),  
    ZERO,  
    keypair.publicKey  
  );  
  
  // Create the instruction to send devSAMO  
  const transfer_ix = createTransferCheckedInstruction(  
    src_token_account,  
    DEV_SAMO_MINT,  
    dest_token_account,  
    keypair.publicKey,  
    amount,  
    DEV_SAMO_DECIMALS,  
    [],  
    TOKEN_PROGRAM_ID  
  );  
  
  // Create the transaction and add the instruction  
  const tx = new Transaction();  
  // Create the destination associated token account (if needed)  
  create_ata_ix.instructions.map((ix) => tx.add(ix));  
  // Send devSAMO  
  tx.add(transfer_ix);  
  
  // Send the transaction  
  const signers = [keypair];  
  const signature = await connection.sendTransaction(tx, signers);  
  console.log("signature:", signature);  
  
  // Wait for the transaction to be confirmed  
  const latest_blockhash = await connection.getLatestBlockhash();  
  await connection.confirmTransaction({signature, ...latest_blockhash});  
}  
  
main();

$ ts-node ./src/014_transfer_token.ts  
endpoint: https://api.devnet.solana.com  
wallet pubkey: FptVFacYhPrwScJayvKXvwjGeZRbefnnEcgmSQkoRAXB  
signature: 4NXrCbHJHBqgV4oDnWHCPFe7emiVf9SmRjqGxEgKFRAu2Wc8LrmWScygUfdfzZjCifjj4xsmnVke9EVxixceCXjk