@pump-fun/pump-swap-sdk/src/sdk/pda.ts

Official SDK for interacting with Pump Swap AMM protocol on Solana

import { PublicKey } from "@solana/web3.js";
import BN from "bn.js";
import {
  getAssociatedTokenAddressSync,
  NATIVE_MINT,
  TOKEN_2022_PROGRAM_ID,
} from "@solana/spl-token";

export const PUMP_AMM_PROGRAM_ID =
  "pAMMBay6oceH9fJKBRHGP5D4bD4sWpmSwMn52FMfXEA";
export const PUMP_AMM_PROGRAM_ID_PUBKEY = new PublicKey(PUMP_AMM_PROGRAM_ID);

export const PUMP_PROGRAM_ID = "6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P";
export const PUMP_PROGRAM_ID_PUBKEY = new PublicKey(PUMP_PROGRAM_ID);

export const CANONICAL_POOL_INDEX = 0;

export const PUMP_MINT = new PublicKey(
  "pumpCmXqMfrsAkQ5r49WcJnRayYRqmXz6ae8H7H9Dfn",
);

export function globalConfigPda(
  programId: PublicKey = PUMP_AMM_PROGRAM_ID_PUBKEY,
): [PublicKey, number] {
  return PublicKey.findProgramAddressSync(
    [Buffer.from("global_config")],
    programId,
  );
}

export function poolPda(
  index: number,
  owner: PublicKey,
  baseMint: PublicKey,
  quoteMint: PublicKey,
  programId: PublicKey = PUMP_AMM_PROGRAM_ID_PUBKEY,
): [PublicKey, number] {
  return PublicKey.findProgramAddressSync(
    [
      Buffer.from("pool"),
      new BN(index).toArrayLike(Buffer, "le", 2),
      owner.toBuffer(),
      baseMint.toBuffer(),
      quoteMint.toBuffer(),
    ],
    programId,
  );
}

export function lpMintPda(
  pool: PublicKey,
  programId: PublicKey = PUMP_AMM_PROGRAM_ID_PUBKEY,
): [PublicKey, number] {
  return PublicKey.findProgramAddressSync(
    [Buffer.from("pool_lp_mint"), pool.toBuffer()],
    programId,
  );
}

export function lpMintAta(lpMint: PublicKey, owner: PublicKey) {
  return getAssociatedTokenAddressSync(
    lpMint,
    owner,
    true,
    TOKEN_2022_PROGRAM_ID,
  );
}

export function pumpPoolAuthorityPda(
  mint: PublicKey,
  pumpProgramId: PublicKey = PUMP_PROGRAM_ID_PUBKEY,
): [PublicKey, number] {
  return PublicKey.findProgramAddressSync(
    [Buffer.from("pool-authority"), mint.toBuffer()],
    pumpProgramId,
  );
}

export function canonicalPumpPoolPda(
  mint: PublicKey,
  programId: PublicKey = PUMP_AMM_PROGRAM_ID_PUBKEY,
  pumpProgramId: PublicKey = PUMP_PROGRAM_ID_PUBKEY,
): [PublicKey, number] {
  const [pumpPoolAuthority] = pumpPoolAuthorityPda(mint, pumpProgramId);

  return poolPda(
    CANONICAL_POOL_INDEX,
    pumpPoolAuthority,
    mint,
    NATIVE_MINT,
    programId,
  );
}

export function pumpAmmEventAuthorityPda(
  programId: PublicKey = PUMP_AMM_PROGRAM_ID_PUBKEY,
) {
  return PublicKey.findProgramAddressSync(
    [Buffer.from("__event_authority")],
    programId,
  );
}

export function globalVolumeAccumulatorPda(
  programId: PublicKey = PUMP_AMM_PROGRAM_ID_PUBKEY,
): [PublicKey, number] {
  return PublicKey.findProgramAddressSync(
    [Buffer.from("global_volume_accumulator")],
    programId,
  );
}

export function userVolumeAccumulatorPda(
  user: PublicKey,
  programId: PublicKey = PUMP_AMM_PROGRAM_ID_PUBKEY,
): [PublicKey, number] {
  return PublicKey.findProgramAddressSync(
    [Buffer.from("user_volume_accumulator"), user.toBuffer()],
    programId,
  );
}