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switchboard

Integrate Switchboard into Solana apps to access price feeds, custom external data, and verifiable random values. The guide includes TypeScript and Rust examples, plus Surge streaming for interfaces that need live price updates.

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Complete Switchboard Oracle Protocol SDK for Solana - the permissionless oracle solution for price feeds, on-demand data, VRF randomness, and real-time streaming via Surge. Covers TypeScript SDK, Rust integration, Oracle Quotes, and all Switchboard tools.

集成工具Discord

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查看安装方法

适用场景

  • Reading and updating asset prices in a Solana app
  • Streaming live prices to a trading interface
  • Using verifiable randomness in an on-chain game
  • Creating a custom data feed from an HTTP API

包含的文件(14)

  • SKILL.md11.5 KB
  • docs/troubleshooting.md8.9 KB
  • examples/feeds/oracle-quote.ts6.1 KB
  • examples/feeds/pull-feed.ts5.9 KB
  • examples/feeds/read-feed.ts6.7 KB
  • examples/randomness/vrf-example.ts9.1 KB
  • examples/setup/example.ts5.9 KB
  • examples/surge/streaming.ts7.4 KB
  • LICENSE11.1 KB
  • resources/github-repos.md3.5 KB
  • resources/program-ids.md3.9 KB
  • resources/rust-reference.md8.9 KB
  • resources/sdk-reference.md7.7 KB
  • templates/setup.ts11.8 KB

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

Switchboard Oracle Protocol - Complete Integration Guide

The definitive guide for integrating Switchboard - the fastest, most customizable, and only permissionless oracle protocol on Solana.

What is Switchboard?

Switchboard is a permissionless oracle protocol enabling developers to bring custom data on-chain with industry-leading performance:

  • Price Feeds - Real-time asset pricing with pull-based efficiency
  • Oracle Quotes - Sub-second latency without on-chain storage (90% cost reduction)
  • Surge - WebSocket streaming with sub-100ms latency
  • VRF Randomness - Cryptographically secure verifiable random functions
  • Prediction Markets - Market-based forecasting data

Key Statistics

  • Secures $1B+ in on-chain volume
  • Used by Kamino, Jito, MarginFi, Drift Protocol
  • 2-5ms latency with Surge pricing
  • 90% cost reduction vs traditional oracles

Core Principles

PrincipleDescription
Speed2-5ms with Surge, 400ms standard - industry-leading for DeFi
Cost EfficiencyPull-based feeds eliminate constant streaming costs
PermissionlessDeploy feeds instantly without approvals
SecurityTEE (Trusted Execution Environments) prevent data manipulation

Integration Approaches

1. Oracle Quotes (Recommended)

Direct oracle-to-program data flow without on-chain storage:

  • Sub-second latency
  • 90% cost reduction
  • No write locks (parallel reads)
  • Stateless design

2. Traditional Feeds

Classic pull-based feed updates:

  • Feed account maintenance
  • Cranking operations
  • Good for simple use cases

3. Surge (Real-Time)

WebSocket streaming for high-frequency applications:

  • Sub-100ms latency
  • Persistent connections
  • Ideal for trading interfaces

Program IDs

ProgramMainnetDevnet
Oracle ProgramSW1TCH7qEPTdLsDHRgPuMQjbQxKdH2aBStViMFnt64fAio4gaXjXzJNVLtzwtNVmSqGKpANtXhybbkhtAC94ji2
Quote Programorac1eFjzWL5R3RbbdMV68K9H6TaCVVcL6LjvQQWAbz-

Default Queues

NetworkQueue Address
MainnetA43DyUGA7s8eXPxqEjJY6EBu1KKbNgfxF8h17VAHn13w
DevnetEYiAmGSdsQTuCw413V5BzaruWuCCSDgTPtBGvLkXHbe7

Quick Start

Installation

# TypeScript SDK
npm install @switchboard-xyz/on-demand @switchboard-xyz/common

# Rust (Cargo.toml)
# switchboard-on-demand = "0.8.0"

Basic Setup

import { web3, AnchorProvider, Program } from "@coral-xyz/anchor";
import {
  PullFeed,
  CrossbarClient,
  ON_DEMAND_MAINNET_PID,
  ON_DEMAND_DEVNET_PID
} from "@switchboard-xyz/on-demand";

// Setup connection and provider
const connection = new web3.Connection("https://api.mainnet-beta.solana.com");
const wallet = useWallet(); // or Keypair
const provider = new AnchorProvider(connection, wallet);

// Load Switchboard program
const sbProgram = await Program.at(ON_DEMAND_MAINNET_PID, provider);

// Initialize Crossbar client for oracle communication
const crossbar = new CrossbarClient("https://crossbar.switchboard.xyz");

Price Feeds

Fetch and Update Feed

import { PullFeed, asV0Tx } from "@switchboard-xyz/on-demand";

// Create feed account reference
const feedPubkey = new web3.PublicKey("YOUR_FEED_PUBKEY");
const feedAccount = new PullFeed(sbProgram, feedPubkey);

// Fetch update instruction with oracle signatures
const { pullIx, responses, numSuccess, luts } = await feedAccount.fetchUpdateIx({
  crossbarClient: crossbar,
  chain: "solana",
  network: "mainnet", // or "devnet"
});

// Build and send transaction
const tx = await asV0Tx({
  connection,
  ixs: [pullIx],
  signers: [payer],
  computeUnitPrice: 200_000,
  computeUnitLimitMultiple: 1.3,
  lookupTables: luts,
});

const signature = await connection.sendTransaction(tx);
console.log("Feed updated:", signature);

Read Feed Value

// Get current feed value
const feedData = await feedAccount.loadData();
const value = feedData.value.toNumber();
const lastUpdated = feedData.lastUpdatedSlot;

console.log(`Price: ${value}, Last Updated: ${lastUpdated}`);

Oracle Quotes (Recommended)

Oracle Quotes provide the most efficient way to consume oracle data:

import { OracleQuote } from "@switchboard-xyz/on-demand";

// Feed hashes (64-char hex strings)
const feedHashes = [
  "0x...", // SOL/USD
  "0x...", // BTC/USD
];

// Derive canonical quote account
const queueKey = new web3.PublicKey("A43DyUGA7s8eXPxqEjJY6EBu1KKbNgfxF8h17VAHn13w");
const quotePubkey = OracleQuote.getCanonicalPubkey(queueKey, feedHashes);

// Fetch quote instruction
const sigVerifyIx = await queue.fetchQuoteIx(crossbar, feedHashes, {
  numSignatures: 1,
  variableOverrides: {},
});

Rust Integration (Oracle Quotes)

use anchor_lang::prelude::*;
use switchboard_on_demand::{default_queue, SwitchboardQuoteExt, SwitchboardQuote};

#[program]
pub mod my_program {
    use super::*;

    pub fn read_oracle_data(ctx: Context<ReadOracleData>) -> Result<()> {
        let feeds = &ctx.accounts.quote_account.feeds;
        let current_slot = ctx.accounts.sysvars.clock.slot;
        let quote_slot = ctx.accounts.quote_account.slot;

        // Check staleness
        let staleness = current_slot.saturating_sub(quote_slot);
        require!(staleness < 100, ErrorCode::StaleFeed);

        for feed in feeds.iter() {
            msg!("Feed {}: Value = {}", feed.hex_id(), feed.value());
        }

        Ok(())
    }
}

#[derive(Accounts)]
pub struct ReadOracleData<'info> {
    #[account(address = quote_account.canonical_key(&default_queue()))]
    pub quote_account: Box<Account<'info, SwitchboardQuote>>,
    pub sysvars: Sysvars<'info>,
}

#[derive(Accounts)]
pub struct Sysvars<'info> {
    pub clock: Sysvar<'info, Clock>,
}

Surge (Real-Time Streaming)

For applications requiring real-time price updates:

import { SwitchboardSurge } from "@switchboard-xyz/on-demand";

// Initialize Surge client
const surge = new SwitchboardSurge({
  apiKey: "YOUR_API_KEY", // Optional
  gatewayUrl: "wss://surge.switchboard.xyz",
  autoReconnect: true,
  maxReconnectAttempts: 5,
  reconnectDelay: 1000,
});

// Subscribe to feeds
surge.subscribe(["SOL/USD", "BTC/USD"]);

// Handle events
surge.on("connected", () => {
  console.log("Connected to Surge");
});

surge.on("data", (data) => {
  console.log(`${data.symbol}: ${data.price}`);
});

surge.on("error", (error) => {
  console.error("Surge error:", error);
});

surge.on("disconnected", () => {
  console.log("Disconnected from Surge");
});

VRF Randomness

Cryptographically secure on-chain randomness:

TypeScript Client

import { RandomnessService } from "@switchboard-xyz/on-demand";

// Request randomness
const randomnessAccount = await RandomnessService.create(sbProgram, {
  queue: queuePubkey,
  callback: {
    programId: myProgramId,
    accounts: [...],
    ixData: Buffer.from([...]),
  },
});

// Reveal randomness (after oracle fulfillment)
const randomValue = await randomnessAccount.reveal();
console.log("Random value:", randomValue);

Rust Integration

use switchboard_on_demand::RandomnessAccountData;

pub fn consume_randomness(ctx: Context<ConsumeRandomness>) -> Result<()> {
    let randomness_data = RandomnessAccountData::parse(
        ctx.accounts.randomness_account.to_account_info()
    )?;

    // Use the random value
    let random_value = randomness_data.get_value(&ctx.accounts.clock)?;

    // Example: coin flip
    let is_heads = random_value[0] % 2 == 0;

    Ok(())
}

Creating Custom Feeds

Using Feed Builder UI

  1. Visit ondemand.switchboard.xyz
  2. Click "Create Feed"
  3. Configure data sources and aggregation
  4. Deploy to mainnet/devnet
  5. Copy feed hash for integration

Using TypeScript SDK

import { FeedBuilder } from "@switchboard-xyz/on-demand";

const feedConfig = new FeedBuilder()
  .addJob({
    tasks: [
      {
        httpTask: {
          url: "https://api.example.com/price",
        },
      },
      {
        jsonParseTask: {
          path: "$.price",
        },
      },
    ],
  })
  .setMinResponses(3)
  .setMaxVariance(0.1);

const feedHash = await feedConfig.build();

Framework Comparison

AspectAnchor (Basic)Pinocchio (Advanced)
Learning CurveBeginner-friendlyAdvanced only
Compute Units~2,000 CU~190 CU
Safety ModelFull validationTrusted cranker
Use CasesStandard DeFiOracle AMMs, HFT

Best Practices

1. Staleness Checks

Always verify feed freshness:

let staleness = current_slot.saturating_sub(feed_slot);
require!(staleness < MAX_STALENESS_SLOTS, ErrorCode::StaleFeed);

2. Multiple Signatures

Request multiple oracle signatures for critical operations:

const { pullIx } = await feedAccount.fetchUpdateIx({
  numSignatures: 3, // Increase for higher security
});

3. Error Handling

try {
  const { pullIx, numSuccess } = await feedAccount.fetchUpdateIx({...});

  if (numSuccess < minRequired) {
    throw new Error(`Insufficient oracle responses: ${numSuccess}`);
  }
} catch (error) {
  if (error.message.includes("timeout")) {
    // Retry with different oracles
  }
  throw error;
}

4. Compute Budget

For complex operations, increase compute budget:

import { ComputeBudgetProgram } from "@solana/web3.js";

const modifyComputeUnits = ComputeBudgetProgram.setComputeUnitLimit({
  units: 400_000,
});

const tx = new Transaction()
  .add(modifyComputeUnits)
  .add(pullIx)
  .add(yourInstruction);

Resources

Official Links

GitHub Repositories

RepositoryDescription
switchboard-sdkPublic mirror of Switchboard SDKs
sb-on-demand-examplesIntegration examples
solana-sdkRust SDK
on-demandTypeScript SDK

Community

Skill Structure

switchboard/
├── SKILL.md                    # This file
├── resources/
│   ├── program-ids.md          # All program addresses and queues
│   ├── sdk-reference.md        # TypeScript SDK API reference
│   ├── rust-reference.md       # Rust SDK reference
│   └── github-repos.md         # Repository links
├── examples/
│   ├── setup/
│   │   └── example.ts          # Basic setup
│   ├── feeds/
│   │   ├── pull-feed.ts        # Pull feed updates
│   │   ├── oracle-quote.ts     # Oracle quote integration
│   │   └── read-feed.ts        # Read feed values
│   ├── randomness/
│   │   └── vrf-example.ts      # VRF randomness
│   └── surge/
│       └── streaming.ts        # Real-time streaming
├── templates/
│   └── setup.ts                # Complete starter template
└── docs/
    └── troubleshooting.md      # Common issues

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