115 lines
3.9 KiB
TypeScript
115 lines
3.9 KiB
TypeScript
import { AnchorProvider, Wallet } from '@coral-xyz/anchor';
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import { Cluster, Connection, Keypair, PublicKey } from '@solana/web3.js';
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import fs from 'fs';
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import { TokenIndex } from '../src/accounts/bank';
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import { HealthType } from '../src/accounts/mangoAccount';
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import { MangoClient } from '../src/client';
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import { MANGO_V4_ID } from '../src/constants';
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import { ONE_I80F48 } from '../src/numbers/I80F48';
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const CLUSTER: Cluster =
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(process.env.CLUSTER_OVERRIDE as Cluster) || 'mainnet-beta';
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const CLUSTER_URL =
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process.env.CLUSTER_URL_OVERRIDE || process.env.MB_CLUSTER_URL;
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const USER_KEYPAIR =
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process.env.USER_KEYPAIR_OVERRIDE || process.env.MB_PAYER_KEYPAIR;
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const MANGO_ACCOUNT_PK = process.env.MANGO_ACCOUNT_PK;
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const TOKEN_INDEX = Number(process.env.TOKEN_INDEX) as TokenIndex;
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const MAX_LIAB_TRANSFER = Number(process.env.MAX_LIAB_TRANSFER);
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async function forceCloseTokenBorrows(): Promise<void> {
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const options = AnchorProvider.defaultOptions();
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const connection = new Connection(CLUSTER_URL!, options);
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const user = Keypair.fromSecretKey(
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Buffer.from(
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JSON.parse(
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process.env.KEYPAIR || fs.readFileSync(USER_KEYPAIR!, 'utf-8'),
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),
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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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CLUSTER,
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MANGO_V4_ID[CLUSTER],
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{
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idsSource: 'get-program-accounts',
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},
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);
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let liqor = await client.getMangoAccount(new PublicKey(MANGO_ACCOUNT_PK!));
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const group = await client.getGroup(liqor.group);
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const forceCloseTokenBank = group.getFirstBankByTokenIndex(TOKEN_INDEX);
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if (forceCloseTokenBank.reduceOnly != 2) {
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throw new Error(
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`Unexpected reduce only state ${forceCloseTokenBank.reduceOnly}`,
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);
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}
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if (!forceCloseTokenBank.forceClose) {
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throw new Error(
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`Unexpected force close state ${forceCloseTokenBank.forceClose}`,
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);
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}
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const mangoAccountsWithBorrows = (
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await client.getAllMangoAccounts(group)
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).filter((a) => a.getTokenBalanceUi(forceCloseTokenBank) < 0);
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if (
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forceCloseTokenBank.uiBorrows() >=
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liqor.getTokenBalanceUi(forceCloseTokenBank)
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) {
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throw new Error(
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`Ensure that liqor has enough deposits to cover borrows! forceCloseTokenBank.uiBorrows() ${forceCloseTokenBank.uiBorrows()}, liqor.getTokenBalanceUi(forceCloseTokenBank) ${liqor.getTokenBalanceUi(forceCloseTokenBank)}`,
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);
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}
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console.log(`${liqor.toString(group, true)}`);
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for (const liqee of mangoAccountsWithBorrows) {
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liqor = await liqor.reload(client);
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const sortedByContribution = liqee
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.getHealthContributionPerAssetUi(group, HealthType.init)
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.filter((a) => {
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const potentialAssetBank = group.getFirstBankByName(a.asset);
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const feeFactorTotal = ONE_I80F48()
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.add(forceCloseTokenBank.liquidationFee)
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.add(forceCloseTokenBank.platformLiquidationFee)
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.mul(
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ONE_I80F48()
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.add(potentialAssetBank.liquidationFee)
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.add(potentialAssetBank.platformLiquidationFee),
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);
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return (
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potentialAssetBank.reduceOnly != 2 &&
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forceCloseTokenBank.initLiabWeight.gte(
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potentialAssetBank.initLiabWeight.mul(feeFactorTotal),
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)
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);
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})
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.sort((a, b) => {
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return a.contribution - b.contribution;
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});
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const assetBank = group.getFirstBankByName(sortedByContribution[0].asset);
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console.log(
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`${liqee.publicKey.toString()}, balance ${liqee.getTokenBalanceUi(forceCloseTokenBank)}, asset ${assetBank.name}, contribution ${sortedByContribution[0].contribution}`,
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);
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const sig = await client.tokenForceCloseBorrowsWithToken(
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group,
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liqor,
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liqee,
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assetBank.tokenIndex,
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forceCloseTokenBank.tokenIndex,
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);
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console.log(` - sig ${sig.signature}`);
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}
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}
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forceCloseTokenBorrows();
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