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tools.js
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tools.js
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const fs = require("fs");
const {
TOKEN_PROGRAM_ID,
getAssociatedTokenAddress,
createAssociatedTokenAccountInstruction,
createTransferInstruction,
createCloseAccountInstruction,
} = require("@solana/spl-token");
const { PromisePool } = require("@supercharge/promise-pool");
const {
PublicKey,
Keypair,
Connection,
clusterApiUrl,
Transaction,
} = require("@solana/web3.js");
const { SingleBar, Presets } = require("cli-progress");
function createConnection({ env, rpc }) {
const connection = new Connection(rpc || clusterApiUrl(env), {
commitment: "processed",
confirmTransactionInitialTimeout: 90000,
});
return connection;
}
function getWallet(keypair) {
const wallet = Keypair.fromSecretKey(
new Uint8Array(JSON.parse(fs.readFileSync(keypair, "utf-8")))
);
return wallet;
}
function getMintWhitelist(whitelistFile) {
if (whitelistFile === "ANY") {
return null;
}
return JSON.parse(fs.readFileSync(whitelistFile, "utf-8"));
}
async function getWalletMints({ connection, publicKey, mintWhitelist = null }) {
const { value: tokenAccounts } =
await connection.getParsedTokenAccountsByOwner(publicKey, {
programId: TOKEN_PROGRAM_ID,
});
const mints = tokenAccounts
.filter((t) => t.account.data.parsed.info.tokenAmount.uiAmount === 1)
.map((t) => t.account.data.parsed.info.mint);
if (!mintWhitelist) {
return mints;
}
return mints.filter((m) => mintWhitelist.includes(m));
}
function batch(array, size) {
let result = [];
while (array.length > 0) {
result = [...result, array.slice(0, size)];
array = array.slice(size);
}
return result;
}
async function sendMints({
connection,
wallet,
pairs,
bundleSize = 6,
concurrency = 5,
}) {
console.info(
"Sending",
pairs.length,
"mints from",
wallet.publicKey.toBase58()
);
const chunks = batch(pairs, bundleSize);
const bar = new SingleBar({}, Presets.shades_classic);
bar.start(chunks.length, 0);
const { results, errors } = await PromisePool.withConcurrency(concurrency)
.for(chunks)
.process(async (chunk) => {
const chunkPubkey = chunk.map(({ mint, destination }) => ({
mint: new PublicKey(mint),
destination: new PublicKey(destination),
}));
const fromTokenAccounts = await Promise.all(
chunkPubkey.map((c) =>
getAssociatedTokenAddress(c.mint, wallet.publicKey)
)
);
const toTokenAccounts = await Promise.all(
chunkPubkey.map((c) => getAssociatedTokenAddress(c.mint, c.destination))
);
const existsToTokenAccounts = await connection.getMultipleAccountsInfo(
toTokenAccounts
);
const instructions = fromTokenAccounts.reduce(
(res, fromTokenAccount, ix) => {
let instructions = [];
if (!existsToTokenAccounts[ix]) {
instructions.push(
createAssociatedTokenAccountInstruction(
wallet.publicKey,
toTokenAccounts[ix],
chunkPubkey[ix].destination,
chunkPubkey[ix].mint
)
);
}
instructions.push(
createTransferInstruction(
fromTokenAccount,
toTokenAccounts[ix],
wallet.publicKey,
1
)
);
instructions.push(
createCloseAccountInstruction(
fromTokenAccount,
wallet.publicKey,
wallet.publicKey
)
);
return [...res, ...instructions];
},
[]
);
const transaction = new Transaction();
await transaction.add(...instructions);
const { blockhash, lastValidBlockHeight } =
await connection.getLatestBlockhash();
transaction.recentBlockhash = blockhash;
transaction.lastValidBlockHeight = lastValidBlockHeight;
const signature = await connection.sendTransaction(transaction, [wallet]);
await connection.confirmTransaction({
signature,
blockhash,
lastValidBlockHeight,
});
bar.increment();
return `Signature: ${signature}\n${chunk
.map((c) => `Mint: ${c.mint} => To: ${c.destination}`)
.join("\n")}`;
});
bar.stop();
console.info("Results:\n");
console.info(results.join("\n\n"));
console.info();
console.info(
"Errors:\n",
errors
.map(
(e) =>
`${e.raw}\n${e.item
.map((c) => `Mint: ${c.mint} => To: ${c.destination}`)
.join("\n")}`
)
.join("\n\n")
);
}
module.exports = {
createConnection,
getWallet,
getMintWhitelist,
getWalletMints,
sendMints,
};