Oracle

import { createSolanaRpc } from '@solana/kit';
import { Scope, SCOPE_MAINNET_HUBBLE_FEED } from '@kamino-finance/scope-sdk';
import Decimal from 'decimal.js';

const rpc = createSolanaRpc('https://api.mainnet-beta.solana.com');
const scope = new Scope('mainnet-beta', rpc);

const oraclePrices = await scope.getSingleOraclePrices({
  config: SCOPE_MAINNET_HUBBLE_FEED.configuration,
});

const populated = oraclePrices.prices
  .map((p, index) => ({ index, p }))
  .filter(({ p }) => p.price.value.toString() !== '0');

console.log(`${populated.length} populated of ${oraclePrices.prices.length} slots`);
populated.slice(0, 5).forEach(({ index, p }) => {
  const price = new Decimal(p.price.value.toString()).div(new Decimal(10).pow(Number(p.price.exp)));
  console.log(`  [${index}] ${price.toString()}`);
});

import { createSolanaRpc } from '@solana/kit';
import { Scope, SCOPE_MAINNET_HUBBLE_FEED } from '@kamino-finance/scope-sdk';

const rpc = createSolanaRpc('https://api.mainnet-beta.solana.com');
const scope = new Scope('mainnet-beta', rpc);

// SOL/USD lives at slot 0 of the Hubble feed. Single-hop chain padded with 65535.
const CHAIN = [0, 65535, 65535, 65535];

const oraclePrices = await scope.getSingleOraclePrices({
  config: SCOPE_MAINNET_HUBBLE_FEED.configuration,
});

const { price, timestamp } = await scope.getPriceFromChain(CHAIN, oraclePrices);
console.log(`Price: ${price.toString()} (updated ${new Date(timestamp.toNumber() * 1000).toISOString()})`);