55 lines
1.6 KiB
TypeScript
55 lines
1.6 KiB
TypeScript
import { parsePriceData } from '@pythnetwork/client';
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import { Connection, PublicKey } from '@solana/web3.js';
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import {
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isPythOracle,
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isSwitchboardOracle,
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parseSwitchboardOracle,
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} from '../../src/accounts/oracle';
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import { toNativeI80F48 } from '../../src/utils';
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const { MB_CLUSTER_URL } = process.env;
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async function decodePrice(conn, ai, pk): Promise<void> {
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let uiPrice, price, lastUpdatedSlot, type;
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if (isPythOracle(ai!)) {
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const priceData = parsePriceData(ai!.data);
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uiPrice = priceData.previousPrice;
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price = toNativeI80F48(uiPrice, 6 - 5);
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lastUpdatedSlot = parseInt(priceData.lastSlot.toString());
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type = 'pyth';
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} else if (isSwitchboardOracle(ai!)) {
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const priceData = await parseSwitchboardOracle(pk, ai!, conn);
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uiPrice = priceData.price;
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price = toNativeI80F48(uiPrice, 6 - 5);
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lastUpdatedSlot = priceData.lastUpdatedSlot;
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type = 'sb';
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}
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console.log(`type ${type}`);
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console.log(`uiPrice ${uiPrice}`);
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console.log(`price ${price}`);
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console.log(`lastUpdatedSlot ${lastUpdatedSlot}`);
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}
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async function main(): Promise<void> {
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try {
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const oraclePk1 = new PublicKey(
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'4SZ1qb4MtSUrZcoeaeQ3BDzVCyqxw3VwSFpPiMTmn4GE',
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);
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const conn = new Connection(MB_CLUSTER_URL!);
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let ai = await conn.getAccountInfo(oraclePk1);
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decodePrice(conn, ai, oraclePk1);
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const oraclePk2 = new PublicKey(
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'8ihFLu5FimgTQ1Unh4dVyEHUGodJ5gJQCrQf4KUVB9bN',
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);
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ai = await conn.getAccountInfo(oraclePk2);
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decodePrice(conn, ai, oraclePk2);
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} catch (error) {
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console.log(error);
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}
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}
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try {
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main();
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} catch (error) {
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console.log(error);
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}
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