when im trying to execute the code its getting error from offset , in mem filter , need to get pool keys from this
from solana.rpc.types import MemcmpOpts, DataSliceOptsfrom solders.pubkey import Pubkeyimport constructimport asynciofrom solders.rpc.requests import GetProgramAccountsfrom borsh_construct import CStruct, U64, Bytes, U128from construct import Bytes, Int8ul, Int32ul, Int64ul, Pass, Switchfrom base58 import b58decode, b58encodePUBLIC_KEY_LAYOUT = Bytes(32)# Define constants and initialize Solana clientRPC_URL = "https://mainnet.helius-rpc.com/?api-key"connection = AsyncClient(RPC_URL, "confirmed")# Public keys for base and quote tokensWSOL_MINT = "So11111111111111111111111111111111111111112" # WSOL mint addressQUOTE_MINT = "CJduScRXPGpkT3oKuu2mNny5Do9vzL46guxXwAP4pump"base = Pubkey.from_string(WSOL_MINT)quote = Pubkey.from_string(QUOTE_MINT)print(f"sad{base} fdf{quote}")# Constants for RaydiumAMM_PROGRAM_ID = Pubkey.from_string("AMM5p5yAx2m9T8p7K8v8SYJGtZo2PYJ9yya9CZKyUiSv") # Raydium AMM V4 Program IDLIQUIDITY_STATE_LAYOUT_V4_SPAN = 752 # Size of the liquidity state layout V4 in bytes# Function to fetch market accountsasync def fetch_market_accounts(connection: AsyncClient, base: Pubkey, quote: Pubkey, commitment: str) -> dict[str, any]: try: # Create memory comparison filters using MemcmpOpts base_mint_filter = MemcmpOpts( offset=LIQUIDITY_STATE_LAYOUT_V4.baseMint, bytes=str(base) ) quote_mint_filter = MemcmpOpts( offset=LIQUIDITY_STATE_LAYOUT_V4.quoteMint, bytes=str(quote) ) # Create the config object for fetching program accounts data_size_filter = {"dataSize": LIQUIDITY_STATE_LAYOUT_V4_SPAN} # Fetching program accounts accounts = await connection.get_program_accounts( pubkey=AMM_PROGRAM_ID, filters=[data_size_filter, base_mint_filter, quote_mint_filter], encoding="base64", commitment=commitment ) print(accounts) # Decode the data and format it raw_data = [{"id": str(pubkey),"data": LIQUIDITY_STATE_LAYOUT_V4.decode(account.data) } for pubkey, account in zip(accounts.keys(), accounts.values())] # Assuming only one relevant account is found, return the first object obj = raw_data[0] if raw_data else None print(f'fetch_market_accounts', obj) return obj except Exception as error: print(f'fetch_market_accounts', error)# Running the functionasyncio.run(fetch_market_accounts(connection, base, quote, "confirmed"))
