Oracle SDK

import { Doppler } from "@reflectmoney/oracle.ts";
import { Connection, Keypair } from "@solana/web3.js";

const connection = new Connection("https://api.mainnet-beta.solana.com");
const admin = Keypair.fromSecretKey(/* admin secret key bytes */);

const doppler = new Doppler(connection, admin);

import { PublicKey } from "@solana/web3.js";
import { createPricePayload, U8Array8Serializer } from "@reflectmoney/oracle.ts";

const oraclePublicKey = new PublicKey("ORACLE_ADDRESS");

// 8-byte payload representing a u64 value (e.g., 1_000_000 for 1 USDC with 6 decimals)
const pricePayload = createPricePayload(BigInt(1_000_000));

await doppler.updateOracle(
    oraclePublicKey,
    {
        slot: BigInt(Date.now()),
        payload: pricePayload,
    },
    new U8Array8Serializer(),
);

import { PublicKey } from "@solana/web3.js";
import { U8Array8Serializer, readPriceFromPayload } from "@reflectmoney/oracle.ts";

const oraclePublicKey = new PublicKey("ORACLE_ADDRESS");

const oracleData = await doppler.fetchOracle(
    oraclePublicKey,
    new U8Array8Serializer(),
);

if (oracleData) {
    console.log("Slot:", oracleData.slot);
    const price = readPriceFromPayload(oracleData.payload);
    console.log("Price:", price);
}
// Example output:
// Slot: 1728662400000n
// Price: 1000000n

import { U8Array8Serializer, createPricePayload } from "@reflectmoney/oracle.ts";

const oracleAccount = await doppler.createOracleAccount(
    "my-oracle-seed",
    new U8Array8Serializer(),
    {
        slot: 0n,
        payload: createPricePayload(BigInt(1_000_000)),
    }
);