531 lines
13 KiB
TypeScript
531 lines
13 KiB
TypeScript
import { AnchorProvider, BN, Wallet } from '@project-serum/anchor';
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import { Connection, Keypair, PublicKey } from '@solana/web3.js';
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import fs from 'fs';
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import { Bank } from '../accounts/bank';
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import { MangoAccount } from '../accounts/mangoAccount';
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import { PerpMarket, PerpOrderSide, PerpOrderType } from '../accounts/perp';
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import {
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Serum3OrderType,
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Serum3SelfTradeBehavior,
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Serum3Side,
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} from '../accounts/serum3';
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import { MangoClient } from '../client';
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import { MANGO_V4_ID } from '../constants';
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//
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// This script creates liquidation candidates
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//
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const GROUP_NUM = Number(process.env.GROUP_NUM || 200);
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// native prices
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const PRICES = {
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ETH: 1200.0,
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SOL: 0.015,
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USDC: 1,
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MNGO: 0.02,
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};
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const TOKEN_SCENARIOS: [string, [string, number][], [string, number][]][] = [
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[
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'LIQTEST, FUNDING',
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[
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['USDC', 5000000],
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['ETH', 100000],
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['SOL', 150000000],
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],
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[],
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],
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['LIQTEST, LIQOR', [['USDC', 1000000]], []],
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['LIQTEST, A: USDC, L: SOL', [['USDC', 1000 * PRICES.SOL]], [['SOL', 920]]],
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['LIQTEST, A: SOL, L: USDC', [['SOL', 1000]], [['USDC', 990 * PRICES.SOL]]],
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[
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'LIQTEST, A: ETH, L: SOL',
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[['ETH', 20]],
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[['SOL', (18 * PRICES.ETH) / PRICES.SOL]],
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],
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];
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async function main() {
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const options = AnchorProvider.defaultOptions();
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const connection = new Connection(process.env.CLUSTER_URL!, options);
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const admin = Keypair.fromSecretKey(
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Buffer.from(
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JSON.parse(
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fs.readFileSync(process.env.MANGO_MAINNET_PAYER_KEYPAIR!, 'utf-8'),
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),
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),
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);
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const userWallet = new Wallet(admin);
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const userProvider = new AnchorProvider(connection, userWallet, options);
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const client = await MangoClient.connect(
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userProvider,
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'mainnet-beta',
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MANGO_V4_ID['mainnet-beta'],
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{
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idsSource: 'get-program-accounts',
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},
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);
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console.log(`User ${userWallet.publicKey.toBase58()}`);
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// fetch group
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const group = await client.getGroupForCreator(admin.publicKey, GROUP_NUM);
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console.log(group.toString());
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const MAINNET_MINTS = new Map([
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['USDC', group.banksMapByName.get('USDC')![0].mint],
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['ETH', group.banksMapByName.get('ETH')![0].mint],
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['SOL', group.banksMapByName.get('SOL')![0].mint],
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]);
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const accounts = await client.getMangoAccountsForOwner(
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group,
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admin.publicKey,
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);
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let maxAccountNum = Math.max(0, ...accounts.map((a) => a.accountNum));
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async function createMangoAccount(name: string): Promise<MangoAccount> {
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const accountNum = maxAccountNum + 1;
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maxAccountNum = maxAccountNum + 1;
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await client.createMangoAccount(group, accountNum, name, 4, 4, 4, 4);
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return (await client.getMangoAccountForOwner(
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group,
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admin.publicKey,
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accountNum,
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))!;
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}
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async function setBankPrice(bank: Bank, price: number): Promise<void> {
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await client.stubOracleSet(group, bank.oracle, price);
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// reset stable price
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await client.tokenEdit(
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group,
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bank.mint,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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true,
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null,
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null,
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);
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}
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async function setPerpPrice(
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perpMarket: PerpMarket,
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price: number,
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): Promise<void> {
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await client.stubOracleSet(group, perpMarket.oracle, price);
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// reset stable price
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await client.perpEditMarket(
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group,
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perpMarket.perpMarketIndex,
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perpMarket.oracle,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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);
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}
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for (const scenario of TOKEN_SCENARIOS) {
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const [name, assets, liabs] = scenario;
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// create account
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console.log(`Creating mangoaccount...`);
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let mangoAccount = await createMangoAccount(name);
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console.log(
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`...created mangoAccount ${mangoAccount.publicKey} for ${name}`,
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);
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for (let [assetName, assetAmount] of assets) {
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const assetMint = new PublicKey(MAINNET_MINTS.get(assetName)!);
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await client.tokenDepositNative(
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group,
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mangoAccount,
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assetMint,
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new BN(assetAmount),
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);
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await mangoAccount.reload(client);
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}
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for (let [liabName, liabAmount] of liabs) {
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const liabMint = new PublicKey(MAINNET_MINTS.get(liabName)!);
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// temporarily drop the borrowed token value, so the borrow goes through
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const bank = group.banksMapByName.get(liabName)![0];
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try {
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await setBankPrice(bank, PRICES[liabName] / 2);
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await client.tokenWithdrawNative(
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group,
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mangoAccount,
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liabMint,
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new BN(liabAmount),
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true,
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);
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} finally {
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// restore the oracle
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await setBankPrice(bank, PRICES[liabName]);
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}
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}
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}
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const accounts2 = await client.getMangoAccountsForOwner(
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group,
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admin.publicKey,
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);
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const fundingAccount = accounts2.find(
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(account) => account.name == 'LIQTEST, FUNDING',
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);
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if (!fundingAccount) {
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throw new Error('could not find funding account');
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}
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// Serum order scenario
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{
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const name = 'LIQTEST, serum orders';
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console.log(`Creating mangoaccount...`);
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let mangoAccount = await createMangoAccount(name);
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console.log(
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`...created mangoAccount ${mangoAccount.publicKey} for ${name}`,
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);
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const market = group.getSerum3MarketByName('SOL/USDC')!;
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const sellMint = new PublicKey(MAINNET_MINTS.get('USDC')!);
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const buyMint = new PublicKey(MAINNET_MINTS.get('SOL')!);
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await client.tokenDepositNative(
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group,
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mangoAccount,
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sellMint,
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new BN(100000),
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);
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await mangoAccount.reload(client);
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// temporarily up the init asset weight of the bought token
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await client.tokenEdit(
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group,
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buyMint,
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group.getFirstBankByMint(buyMint).oracle,
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null,
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null,
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null,
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null,
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null,
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1.0,
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1.0,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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);
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try {
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// At a price of $1/ui-SOL we can buy 0.1 ui-SOL for the 100k native-USDC we have.
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// With maint weight of 0.9 we have 10x main-leverage. Buying 12x as much causes liquidation.
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await client.serum3PlaceOrder(
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group,
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mangoAccount,
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market.serumMarketExternal,
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Serum3Side.bid,
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1,
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12 * 0.1,
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Serum3SelfTradeBehavior.abortTransaction,
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Serum3OrderType.limit,
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0,
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5,
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);
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} finally {
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// restore the weights
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await client.tokenEdit(
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group,
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buyMint,
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group.getFirstBankByMint(buyMint).oracle,
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null,
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null,
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null,
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null,
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null,
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0.9,
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0.8,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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);
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}
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}
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// Perp orders bring health <0, liquidator force closes
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{
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const name = 'LIQTEST, perp orders';
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console.log(`Creating mangoaccount...`);
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let mangoAccount = await createMangoAccount(name);
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console.log(
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`...created mangoAccount ${mangoAccount.publicKey} for ${name}`,
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);
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const collateralMint = new PublicKey(MAINNET_MINTS.get('SOL')!);
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const collateralBank = group.banksMapByName.get('SOL')![0];
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await client.tokenDepositNative(
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group,
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mangoAccount,
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collateralMint,
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new BN(300000),
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); // valued as 0.0003 SOL, $0.0045 maint collateral
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await mangoAccount.reload(client);
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await setBankPrice(collateralBank, PRICES['SOL'] * 4);
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try {
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await client.perpPlaceOrder(
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group,
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mangoAccount,
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group.perpMarketsMapByName.get('MNGO-PERP')?.perpMarketIndex!,
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PerpOrderSide.bid,
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0.001, // ui price that won't get hit
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1.1, // ui base quantity, 11 base lots, 1.1 MNGO, $0.022
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0.022, // ui quote quantity
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4200,
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PerpOrderType.limit,
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false,
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0,
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5,
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);
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} finally {
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await setBankPrice(collateralBank, PRICES['SOL']);
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}
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}
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// Perp base pos brings health<0, liquidator takes most of it
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{
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const name = 'LIQTEST, perp base pos';
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console.log(`Creating mangoaccount...`);
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let mangoAccount = await createMangoAccount(name);
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console.log(
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`...created mangoAccount ${mangoAccount.publicKey} for ${name}`,
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);
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const collateralMint = new PublicKey(MAINNET_MINTS.get('SOL')!);
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const collateralBank = group.banksMapByName.get('SOL')![0];
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await client.tokenDepositNative(
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group,
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mangoAccount,
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collateralMint,
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new BN(300000),
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); // valued as 0.0003 SOL, $0.0045 maint collateral
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await mangoAccount.reload(client);
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await setBankPrice(collateralBank, PRICES['SOL'] * 10);
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try {
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await client.perpPlaceOrder(
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group,
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fundingAccount,
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group.perpMarketsMapByName.get('MNGO-PERP')?.perpMarketIndex!,
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PerpOrderSide.ask,
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0.03,
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1.1, // ui base quantity, 11 base lots, $0.022 value, gain $0.033
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0.033, // ui quote quantity
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4200,
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PerpOrderType.limit,
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false,
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0,
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5,
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);
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await client.perpPlaceOrder(
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group,
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mangoAccount,
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group.perpMarketsMapByName.get('MNGO-PERP')?.perpMarketIndex!,
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PerpOrderSide.bid,
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0.03,
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1.1, // ui base quantity, 11 base lots, $0.022 value, cost $0.033
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0.033, // ui quote quantity
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4200,
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PerpOrderType.market,
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false,
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0,
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5,
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);
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await client.perpConsumeAllEvents(
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group,
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group.perpMarketsMapByName.get('MNGO-PERP')?.perpMarketIndex!,
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);
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} finally {
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await setBankPrice(collateralBank, PRICES['SOL']);
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}
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}
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// borrows and positive perp pnl (but no position)
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{
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const name = 'LIQTEST, perp positive pnl';
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console.log(`Creating mangoaccount...`);
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let mangoAccount = await createMangoAccount(name);
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console.log(
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`...created mangoAccount ${mangoAccount.publicKey} for ${name}`,
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);
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const perpMarket = group.perpMarketsMapByName.get('MNGO-PERP')!;
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const perpIndex = perpMarket.perpMarketIndex;
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const liabMint = new PublicKey(MAINNET_MINTS.get('USDC')!);
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const collateralMint = new PublicKey(MAINNET_MINTS.get('SOL')!);
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const collateralBank = group.banksMapByName.get('SOL')![0];
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await client.tokenDepositNative(
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group,
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mangoAccount,
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collateralMint,
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new BN(300000),
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); // valued as $0.0045 maint collateral
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await mangoAccount.reload(client);
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try {
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await setBankPrice(collateralBank, PRICES['SOL'] * 10);
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// Spot-borrow more than the collateral is worth
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await client.tokenWithdrawNative(
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group,
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mangoAccount,
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liabMint,
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new BN(-5000),
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true,
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);
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await mangoAccount.reload(client);
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// Execute two trades that leave the account with +$0.011 positive pnl
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await setPerpPrice(perpMarket, PRICES['MNGO'] / 2);
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await client.perpPlaceOrder(
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group,
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fundingAccount,
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perpIndex,
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PerpOrderSide.ask,
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0.01,
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1.1, // ui base quantity, 11 base lots, $0.011
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0.011, // ui quote quantity
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4200,
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PerpOrderType.limit,
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false,
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0,
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5,
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);
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await client.perpPlaceOrder(
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group,
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mangoAccount,
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perpIndex,
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PerpOrderSide.bid,
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0.01,
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1.1, // ui base quantity, 11 base lots, $0.011
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0.011, // ui quote quantity
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4200,
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PerpOrderType.market,
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false,
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0,
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5,
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);
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await client.perpConsumeAllEvents(group, perpIndex);
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await setPerpPrice(perpMarket, PRICES['MNGO']);
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await client.perpPlaceOrder(
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group,
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fundingAccount,
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perpIndex,
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PerpOrderSide.bid,
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0.02,
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1.1, // ui base quantity, 11 base lots, $0.022
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0.022, // ui quote quantity
|
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4201,
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PerpOrderType.limit,
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false,
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0,
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5,
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);
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await client.perpPlaceOrder(
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group,
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mangoAccount,
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perpIndex,
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PerpOrderSide.ask,
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0.02,
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1.1, // ui base quantity, 11 base lots, $0.022
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0.022, // ui quote quantity
|
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4201,
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PerpOrderType.market,
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false,
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0,
|
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5,
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);
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await client.perpConsumeAllEvents(group, perpIndex);
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} finally {
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await setPerpPrice(perpMarket, PRICES['MNGO']);
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await setBankPrice(collateralBank, PRICES['SOL']);
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}
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}
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process.exit();
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}
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|
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main();
|