blockworks-foundation
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mango-alerts
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getAllMarginAccounts in reduceMangoGroups

This commit is contained in:
Ralfs 2021-05-07 11:03:57 +03:00
parent 89d6abef36
commit fe3ef3410b
2 changed files with 11 additions and 7 deletions
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14
src/index.ts
View File

@ -7,7 +7,7 @@ import cors from "@koa/cors";
import * as cron from "node-cron";
import {MongoClient, ObjectId} from "mongodb";
import { MangoClient, IDS } from '@blockworks-foundation/mango-client';
import { MangoClient, MarginAccount, IDS } from '@blockworks-foundation/mango-client';
import { Connection, PublicKey } from '@solana/web3.js';
import { UserError } from './errors';
@ -25,6 +25,7 @@ const client = new MangoClient();
const clusterIds = IDS[cluster];
const connection = new Connection(config.rpcEndpoint || IDS.cluster_urls[cluster], 'singleGossip');
const dexProgramId = new PublicKey(clusterIds.dex_program_id);
const mangoProgramId = new PublicKey(clusterIds.mango_program_id);
app.use(cors());
app.use(bodyParser());
@ -104,14 +105,15 @@ app.listen(config.port, () => {
const handleAlert = async (alert: any, mangoGroups: any[], db: any) => {
try {
const mangoGroupMapping = mangoGroups[alert.mangoGroupPk];
const marginAccountPk = new PublicKey(alert.marginAccountPk);
const marginAccount = await client.getMarginAccount(connection, marginAccountPk, dexProgramId);
const collateralRatio = marginAccount.getCollateralRatio(mangoGroups[alert.mangoGroupPk]['mangoGroup'], mangoGroups[alert.mangoGroupPk]['prices']);
const marginAccount = mangoGroupMapping.marginAccounts.find((ma: MarginAccount) => ma.publicKey.equals(marginAccountPk));
const collateralRatio = marginAccount.getCollateralRatio(mangoGroupMapping['mangoGroup'], mangoGroupMapping['prices']);
if ((100 * collateralRatio) <= alert.collateralRatioThresh) {
let message = MESSAGE.replace('@ratio@', alert.collateralRatioThresh);
message += marginAccount.toPrettyString(
mangoGroups[alert.mangoGroupPk]['mangoGroup'],
mangoGroups[alert.mangoGroupPk]['prices']
mangoGroupMapping['mangoGroup'],
mangoGroupMapping['prices']
);
message += '\nVisit https://trade.mango.markets/'
const alertSent = await sendAlert(alert, message);
@ -131,7 +133,7 @@ const runCron = async () => {
try {
const alerts = await db.collection('alerts').find({open: true}).toArray();
const uniqueMangoGroupPks: string[] = [...new Set(alerts.map(alert => alert.mangoGroupPk))];
const mangoGroups:any = await reduceMangoGroups(client, connection, uniqueMangoGroupPks);
const mangoGroups:any = await reduceMangoGroups(client, connection, mangoProgramId, uniqueMangoGroupPks);
alerts.forEach(async (alert) => {
handleAlert(alert, mangoGroups, db);
});

4
src/utils.ts
View File

@ -92,12 +92,14 @@ export const sendAlert = async (alert: any, message: string) => {
return true;
}
export const reduceMangoGroups = async (client: MangoClient, connection: Connection, mangoGroupPks: string[]) => {
export const reduceMangoGroups = async (client: MangoClient, connection: Connection, mangoProgramId: PublicKey, mangoGroupPks: string[]) => {
const mangoGroups:any = {};
for (let mangoGroupPk of mangoGroupPks) {
const mangoGroup = await client.getMangoGroup(connection, new PublicKey(mangoGroupPk));
const marginAccounts = await client.getAllMarginAccounts(connection, mangoProgramId, mangoGroup);
mangoGroups[mangoGroupPk] = {
mangoGroup,
marginAccounts,
prices: await mangoGroup.getPrices(connection),
};
}