Get StartedSerum DEX v3 IDL
9xQeWvG816bUx9EPjHmaT23yvVM2ZWbrrpZb9PusVFinSerum DEX v3 is the original fully on-chain central limit order book on Solana, created by Project Serum. Pioneered permissionless order book trading with NewOrder, CancelOrder, MatchOrders, and SettleFunds instructions. Now superseded by OpenBook.
Instructions
Account Types
Integration Examples
Use the Serum DEX v3 IDL in your application with these code examples for TypeScript, Rust, and Python.
import { Connection, PublicKey } from "@solana/web3.js";
import { Program, AnchorProvider, Idl } from "@coral-xyz/anchor";
// Load the Serum DEX v3 IDL
import idl from "./serum dex v3.json";
const PROGRAM_ID = new PublicKey("9xQeWvG816bUx9EPjHmaT23yvVM2ZWbrrpZb9PusVFin");
// Set up the provider and program
const connection = new Connection("https://api.mainnet-beta.solana.com");
const provider = new AnchorProvider(connection, wallet, {
commitment: "confirmed",
});
const program = new Program(idl as Idl, provider);
// Fetch and decode an account
const accountData = await program.account.serum_DEX_v3
.fetch(accountPublicKey);
console.log("Account data:", accountData);
// Build and send an instruction
const tx = await program.methods
.initialize(/* ...args */)
.accounts({
/* ...required accounts */
})
.rpc();
console.log("Transaction signature:", tx);IDL JSON Preview
{
"version": "0.0.0",
"name": "Serum Dex",
"instructions": [
{
"name": "InitializeMarket",
"accounts": [
{
"name": "marketToInitialize",
"isMut": true,
"isSigner": false,
"docs": [
"the market to initialize"
]
},
{
"name": "requestQueue",
"isMut": true,
"isSigner": false,
"docs": [
"zeroed out request queue"
]
},
{
"name": "eventQueue",
"isMut": true,
"isSigner": false,
"docs": [
"zeroed out event queue"
]
...Frequently Asked Questions
What is the Serum DEX v3 IDL?
The Serum DEX v3 IDL (Interface Definition Language) is a JSON schema that defines the on-chain program interface for the Serum DEX v3 smart contract on Solana. It describes all available instructions, account structures, events, and custom types that developers need to interact with the Serum DEX v3 program. This IDL contains 18 instructions, 9 account types, 0 events, and 10 type definitions.
How do I use the Serum DEX v3 IDL in my project?
Download the JSON file and import it in your project. With TypeScript, use the @coral-xyz/anchor package to create a Program instance. In Rust, use anchor-client. For Python, use anchorpy. See the integration examples above for complete code snippets in all three languages.
What is the Serum DEX v3 program address on Solana?
The Serum DEX v3 program is deployed at address 9xQeWvG816bUx9EPjHmaT23yvVM2ZWbrrpZb9PusVFin on Solana mainnet. You can verify this on any Solana block explorer.
What version of the Serum DEX v3 IDL is this?
This is version 0.0.0 of the Serum DEX v3 IDL. IDL versions correspond to specific program deployments and may be updated as the protocol evolves. Always verify compatibility with the on-chain program version before integrating.