/**
* Jupiter Perpetuals Program initialization and constants
*/
import { AnchorProvider, Program, Wallet } from "@coral-xyz/anchor";
import { Connection, Keypair, PublicKey } from "@solana/web3.js";
import BN from "bn.js";
import { IDL as JupiterPerpetualsIDL, Perpetuals } from "../idl/jupiter-perpetuals-idl.js";
/**
* Jupiter Perpetuals Program ID
*/
export const JUPITER_PERPETUALS_PROGRAM_ID = new PublicKey(
"PERPHjGBqRHArX4DySjwM6UJHiR3sWAatqfdBS2qQJu"
);
/**
* JLP Pool Account Pubkey
*/
export const JLP_POOL_ACCOUNT_PUBKEY = new PublicKey(
"5BUwFW4nRbftYTDMbgxykoFWqWHPzahFSNAaaaJtVKsq"
);
/**
* Initialize Jupiter Perpetuals Program
* @param connection Solana RPC connection
* @returns Jupiter Perpetuals Program instance
*/
export function initializeProgram(connection: Connection): Program<Perpetuals> {
// Create a dummy wallet for the provider (we'll sign transactions separately)
const dummyWallet = new Wallet(Keypair.generate());
const provider = new AnchorProvider(
connection,
dummyWallet,
AnchorProvider.defaultOptions()
);
return new Program<Perpetuals>(
JupiterPerpetualsIDL,
JUPITER_PERPETUALS_PROGRAM_ID,
provider
);
}
/**
* Generate PDA for a position
* @param custody Asset custody public key
* @param collateralCustody Collateral custody public key
* @param walletAddress Wallet public key
* @param side Position side ('long' or 'short')
* @returns Position PDA
*/
export function generatePositionPda({
custody,
collateralCustody,
walletAddress,
side,
}: {
custody: PublicKey;
collateralCustody: PublicKey;
walletAddress: PublicKey;
side: "long" | "short";
}): { position: PublicKey } {
const [position] = PublicKey.findProgramAddressSync(
[
Buffer.from("position"),
walletAddress.toBuffer(),
JLP_POOL_ACCOUNT_PUBKEY.toBuffer(),
custody.toBuffer(),
collateralCustody.toBuffer(),
Buffer.from(side === "long" ? [1] : [2]),
],
JUPITER_PERPETUALS_PROGRAM_ID
);
return { position };
}
/**
* Generate PDA for a position request
* @param positionPubkey Position public key
* @param requestChange Type of change ('increase' or 'decrease')
* @returns Position request PDA and counter (as BN)
*/
export function generatePositionRequestPda({
positionPubkey,
requestChange,
}: {
positionPubkey: PublicKey;
requestChange: "increase" | "decrease";
}): { positionRequest: PublicKey; counter: BN } {
const counter = new BN(Math.floor(Math.random() * 1_000_000_000));
const requestChangeEnum = requestChange === "increase" ? [1] : [2];
const [positionRequest] = PublicKey.findProgramAddressSync(
[
Buffer.from("position_request"),
positionPubkey.toBuffer(),
counter.toArrayLike(Buffer, "le", 8),
Buffer.from(requestChangeEnum),
],
JUPITER_PERPETUALS_PROGRAM_ID
);
return { positionRequest, counter };
}
