96 lines
2.8 KiB
TypeScript
96 lines
2.8 KiB
TypeScript
import { AnchorProvider, Wallet } from '@coral-xyz/anchor';
|
|
import { Connection, Keypair, PublicKey } from '@solana/web3.js';
|
|
import fetch from 'node-fetch';
|
|
import { MangoClient } from '../src/client';
|
|
import { MANGO_V4_ID } from '../src/constants';
|
|
import { toNative, toUiDecimalsForQuote } from '../src/utils';
|
|
|
|
const { MB_CLUSTER_URL } = process.env;
|
|
|
|
const GROUP_PK = '78b8f4cGCwmZ9ysPFMWLaLTkkaYnUjwMJYStWe5RTSSX';
|
|
|
|
async function buildClient(): Promise<MangoClient> {
|
|
const clientKeypair = new Keypair();
|
|
|
|
const options = AnchorProvider.defaultOptions();
|
|
const connection = new Connection(MB_CLUSTER_URL!, options);
|
|
|
|
const clientWallet = new Wallet(clientKeypair);
|
|
const clientProvider = new AnchorProvider(connection, clientWallet, options);
|
|
|
|
return await MangoClient.connect(
|
|
clientProvider,
|
|
'mainnet-beta',
|
|
MANGO_V4_ID['mainnet-beta'],
|
|
{
|
|
idsSource: 'get-program-accounts',
|
|
},
|
|
);
|
|
}
|
|
|
|
async function computePriceImpact(
|
|
amount: string,
|
|
inputMint: string,
|
|
outputMint: string,
|
|
): Promise<{ outAmount: number; priceImpactPct: number }> {
|
|
const url = `https://quote-api.jup.ag/v4/quote?inputMint=${inputMint}&outputMint=${outputMint}&amount=${amount}&swapMode=ExactIn&slippageBps=10000&onlyDirectRoutes=false&asLegacyTransaction=false`;
|
|
const response = await fetch(url);
|
|
|
|
let res = await response.json();
|
|
res = res.data[0];
|
|
|
|
return {
|
|
outAmount: parseFloat(res.outAmount),
|
|
priceImpactPct: parseFloat(res.priceImpactPct),
|
|
};
|
|
}
|
|
|
|
async function main(): Promise<void> {
|
|
const client = await buildClient();
|
|
const group = await client.getGroup(new PublicKey(GROUP_PK));
|
|
await group.reloadAll(client);
|
|
|
|
console.log(
|
|
`${'COIN'.padStart(20)}, ${'Scale'.padStart(8)}, ${'Liq Fee'.padStart(
|
|
6,
|
|
)}, ${'$->coin'.padStart(6)}, ${'coin-$'.padStart(6)}`,
|
|
);
|
|
|
|
for (const bank of Array.from(group.banksMapByMint.values())) {
|
|
const usdcMint = 'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v';
|
|
|
|
const pi1 = await computePriceImpact(
|
|
bank[0].depositWeightScaleStartQuote.toString(),
|
|
usdcMint,
|
|
bank[0].mint.toBase58(),
|
|
);
|
|
const inAmount = toNative(
|
|
Math.min(
|
|
Math.floor(
|
|
toUiDecimalsForQuote(bank[0].depositWeightScaleStartQuote) /
|
|
bank[0].uiPrice,
|
|
),
|
|
99999999999,
|
|
),
|
|
bank[0].mintDecimals,
|
|
);
|
|
const pi2 = await computePriceImpact(
|
|
inAmount.toString(),
|
|
bank[0].mint.toBase58(),
|
|
usdcMint,
|
|
);
|
|
console.log(
|
|
`${bank[0].name.padStart(20)}, ${(
|
|
'$' +
|
|
toUiDecimalsForQuote(bank[0].depositWeightScaleStartQuote).toString()
|
|
).padStart(8)}, ${(bank[0].liquidationFee.toNumber() * 100)
|
|
.toFixed(3)
|
|
.padStart(6)}%, ${(pi1.priceImpactPct * 100).toFixed(2)}%, ${(
|
|
pi2.priceImpactPct * 100
|
|
).toFixed(2)}%`,
|
|
);
|
|
}
|
|
}
|
|
|
|
main();
|