137 lines
4.1 KiB
TypeScript
137 lines
4.1 KiB
TypeScript
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import { AnchorProvider, Wallet } from '@project-serum/anchor';
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import { Connection, Keypair } from '@solana/web3.js';
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import fs from 'fs';
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import { Serum3Side } 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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// script which shows how to close a mango account cleanly i.e. close all active positions, withdraw all tokens, etc.
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//
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const GROUP_NUM = Number(process.env.GROUP_NUM || 0);
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// note: either use finalized or expect closing certain things to fail and having to runs scrript multiple times
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async function main() {
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const options = AnchorProvider.defaultOptions();
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// note: see note above
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// options.commitment = 'finalized';
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const connection = new Connection(
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'https://mango.devnet.rpcpool.com',
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options,
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);
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// user
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const user = Keypair.fromSecretKey(
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Buffer.from(
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JSON.parse(fs.readFileSync(process.env.USER2_KEYPAIR!, 'utf-8')),
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),
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);
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const userWallet = new Wallet(user);
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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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'devnet',
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MANGO_V4_ID['devnet'],
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{},
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'get-program-accounts',
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);
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console.log(`User ${userWallet.publicKey.toBase58()}`);
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try {
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// fetch group
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const admin = Keypair.fromSecretKey(
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Buffer.from(
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JSON.parse(fs.readFileSync(process.env.ADMIN_KEYPAIR!, 'utf-8')),
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),
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);
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const group = await client.getGroupForCreator(admin.publicKey, GROUP_NUM);
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console.log(`Found group ${group.publicKey.toBase58()}`);
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// fetch account
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const mangoAccount = (
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await client.getMangoAccountsForOwner(group, user.publicKey)
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)[0];
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console.log(`...found mangoAccount ${mangoAccount.publicKey}`);
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console.log(mangoAccount.toString());
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// close mango account serum3 positions, closing might require cancelling orders and settling
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for (const serum3Account of mangoAccount.serum3Active()) {
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let orders = await client.getSerum3Orders(
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group,
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group.findSerum3Market(serum3Account.marketIndex)!.name,
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);
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for (const order of orders) {
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console.log(
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` - Order orderId ${order.orderId}, ${order.side}, ${order.price}, ${order.size}`,
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);
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console.log(` - Cancelling order with ${order.orderId}`);
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await client.serum3CancelOrder(
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group,
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mangoAccount,
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'BTC/USDC',
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order.side === 'buy' ? Serum3Side.bid : Serum3Side.ask,
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order.orderId,
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);
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}
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await client.serum3SettleFunds(
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group,
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mangoAccount,
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group.findSerum3Market(serum3Account.marketIndex)!.name,
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);
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await client.serum3CloseOpenOrders(
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group,
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mangoAccount,
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group.findSerum3Market(serum3Account.marketIndex)!.name,
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);
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}
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// we closed a serum account, this changes the health accounts we are passing in for future ixs
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await mangoAccount.reload(client, group);
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// withdraw all tokens
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for (const token of mangoAccount.tokensActive()) {
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let native = token.balance(
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group.getFirstBankByTokenIndex(token.tokenIndex),
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);
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// to avoid rounding issues
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if (native.toNumber() < 1) {
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continue;
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}
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let nativeFlooredNumber = Math.floor(native.toNumber());
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console.log(
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`withdrawing token ${
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group.getFirstBankByTokenIndex(token.tokenIndex).name
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} native amount ${nativeFlooredNumber} `,
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);
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await client.tokenWithdrawNative(
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group,
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mangoAccount,
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group.getFirstBankByTokenIndex(token.tokenIndex).mint,
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nativeFlooredNumber - 1 /* see comment in token_withdraw in program */,
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false,
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);
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}
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// reload and print current positions
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await mangoAccount.reload(client, group);
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console.log(`...mangoAccount ${mangoAccount.publicKey}`);
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console.log(mangoAccount.toString());
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// close account
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console.log(`Close mango account...`);
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const res = await client.closeMangoAccount(group, mangoAccount);
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} catch (error) {
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console.log(error);
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}
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process.exit();
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}
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main();
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