76 lines
2.4 KiB
TypeScript
76 lines
2.4 KiB
TypeScript
import { AnchorProvider } from '@coral-xyz/anchor';
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import { getMint } from '@solana/spl-token';
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import { Connection, PublicKey } from '@solana/web3.js';
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import fetch from 'node-fetch';
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const { MB_CLUSTER_URL, MB_PAYER_KEYPAIR, MB_PAYER3_KEYPAIR, MINT } =
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process.env;
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async function main() {
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const mintPk = new PublicKey(
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MINT ??
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// 'RLBxxFkseAZ4RgJH3Sqn8jXxhmGoz9jWxDNJMh8pL7a', // rlb
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// 'MangoCzJ36AjZyKwVj3VnYU4GTonjfVEnJmvvWaxLac', // mngo
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'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v', // usdc
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);
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const options = AnchorProvider.defaultOptions();
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const connection = new Connection(MB_CLUSTER_URL!, options);
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const mint = await getMint(connection, mintPk);
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// does the mint have an authority?
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console.log(`Mint has freezeAuthority - ${mint.freezeAuthority != null}`);
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console.log(`Mint has mintAuthority - ${mint.mintAuthority != null}`);
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const supplyUi = Number(mint.supply) / Math.pow(10, mint.decimals);
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// how does the token holder distribution look like?
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const res = await connection.getTokenLargestAccounts(mintPk);
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console.log(`Top 20 token distribution`);
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for (const account of res.value) {
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console.log(
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`- ${account.address.toBase58().padStart(45)} - ${(
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(account.uiAmount! * 100) /
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supplyUi
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).toFixed(2)}%`,
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);
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}
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// are their amm pools? how is their tvl?
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// maybe birdeye can provide this?
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// give stats on max,min swap that can be performed at various slippage
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// mngo cloud router doesnt work for most mints, maybe use jup api?
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const wsolMint = 'So11111111111111111111111111111111111111112';
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async function swap(
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priceImpact: number,
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inputMint: string,
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outputMint: string,
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): Promise<void> {
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const response = await fetch(
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`https://api.mngo.cloud/router/v1/depth?inputMint=${inputMint}&outputMint=${outputMint}&priceImpactLimit=${priceImpact}`,
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);
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const res = await response.json();
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console.log(
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`at price impact of ${(priceImpact * 100)
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.toString()
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.padStart(
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3,
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)}%, ${res.maxInput.toLocaleString()} ${inputMint} can be swapped to ${res.minOutput.toLocaleString()} ${outputMint}`,
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);
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}
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for (const priceImpact of [0.01, 0.1, 0.2]) {
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swap(priceImpact, wsolMint, mintPk.toBase58());
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swap(priceImpact, mintPk.toBase58(), wsolMint);
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}
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// what was the volume traded yday
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// get from jup api?
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// how does the oracle look like?
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// how was the price volatility yday?
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}
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main();
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