mirror of
https://github.com/chainstacklabs/pumpfun-bonkfun-bot.git
synced 2026-07-27 23:37:45 +00:00
smypmsa
356 lines
14 KiB
Python
356 lines
14 KiB
Python
import asyncio
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import base64
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import hashlib
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import json
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import struct
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import time
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import base58
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import spl.token.instructions as spl_token
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import websockets
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from construct import Flag, Int64ul, Struct
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from solana.rpc.async_api import AsyncClient
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from solana.rpc.commitment import Confirmed
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from solana.rpc.types import TxOpts
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from solana.transaction import Transaction
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from solders.instruction import AccountMeta, Instruction
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from solders.keypair import Keypair
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from solders.pubkey import Pubkey
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from solders.system_program import TransferParams, transfer
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from solders.transaction import VersionedTransaction
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from spl.token.instructions import get_associated_token_address
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from config import *
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# Here and later all the discriminators are precalculated. See learning-examples/discriminator.py
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EXPECTED_DISCRIMINATOR = struct.pack("<Q", 6966180631402821399)
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TOKEN_DECIMALS = 6
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class BondingCurveState:
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_STRUCT = Struct(
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"virtual_token_reserves" / Int64ul,
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"virtual_sol_reserves" / Int64ul,
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"real_token_reserves" / Int64ul,
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"real_sol_reserves" / Int64ul,
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"token_total_supply" / Int64ul,
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"complete" / Flag,
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)
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def __init__(self, data: bytes) -> None:
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parsed = self._STRUCT.parse(data[8:])
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self.__dict__.update(parsed)
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async def get_pump_curve_state(
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conn: AsyncClient, curve_address: Pubkey
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) -> BondingCurveState:
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response = await conn.get_account_info(curve_address)
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if not response.value or not response.value.data:
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raise ValueError("Invalid curve state: No data")
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data = response.value.data
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if data[:8] != EXPECTED_DISCRIMINATOR:
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raise ValueError("Invalid curve state discriminator")
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return BondingCurveState(data)
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def calculate_pump_curve_price(curve_state: BondingCurveState) -> float:
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if curve_state.virtual_token_reserves <= 0 or curve_state.virtual_sol_reserves <= 0:
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raise ValueError("Invalid reserve state")
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return (curve_state.virtual_sol_reserves / LAMPORTS_PER_SOL) / (
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curve_state.virtual_token_reserves / 10**TOKEN_DECIMALS
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)
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async def buy_token(
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mint: Pubkey,
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bonding_curve: Pubkey,
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associated_bonding_curve: Pubkey,
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amount: float,
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slippage: float = 0.01,
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max_retries=5,
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):
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private_key = base58.b58decode(PRIVATE_KEY)
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payer = Keypair.from_bytes(private_key)
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async with AsyncClient(RPC_ENDPOINT) as client:
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associated_token_account = get_associated_token_address(payer.pubkey(), mint)
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amount_lamports = int(amount * LAMPORTS_PER_SOL)
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# Fetch the token price
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curve_state = await get_pump_curve_state(client, bonding_curve)
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token_price_sol = calculate_pump_curve_price(curve_state)
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token_amount = amount / token_price_sol
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# Calculate maximum SOL to spend with slippage
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max_amount_lamports = int(amount_lamports * (1 + slippage))
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# Create associated token account with retries
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for ata_attempt in range(max_retries):
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try:
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account_info = await client.get_account_info(associated_token_account)
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if account_info.value is None:
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print(
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f"Creating associated token account (Attempt {ata_attempt + 1})..."
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)
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create_ata_ix = spl_token.create_associated_token_account(
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payer=payer.pubkey(), owner=payer.pubkey(), mint=mint
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)
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create_ata_tx = Transaction()
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create_ata_tx.add(create_ata_ix)
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recent_blockhash = await client.get_latest_blockhash()
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create_ata_tx.recent_blockhash = recent_blockhash.value.blockhash
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await client.send_transaction(create_ata_tx, payer)
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print("Associated token account created.")
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print(
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f"Associated token account address: {associated_token_account}"
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)
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break
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else:
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print("Associated token account already exists.")
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print(
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f"Associated token account address: {associated_token_account}"
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)
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break
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except Exception as e:
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print(
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f"Attempt {ata_attempt + 1} to create associated token account failed: {str(e)}"
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)
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if ata_attempt < max_retries - 1:
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wait_time = 2**ata_attempt
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print(f"Retrying in {wait_time} seconds...")
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await asyncio.sleep(wait_time)
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else:
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print(
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"Max retries reached. Unable to create associated token account."
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)
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return
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# Continue with the buy transaction
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for attempt in range(max_retries):
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try:
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accounts = [
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AccountMeta(pubkey=PUMP_GLOBAL, is_signer=False, is_writable=False),
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AccountMeta(pubkey=PUMP_FEE, is_signer=False, is_writable=True),
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AccountMeta(pubkey=mint, is_signer=False, is_writable=False),
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AccountMeta(
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pubkey=bonding_curve, is_signer=False, is_writable=True
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),
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AccountMeta(
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pubkey=associated_bonding_curve,
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is_signer=False,
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is_writable=True,
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),
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AccountMeta(
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pubkey=associated_token_account,
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is_signer=False,
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is_writable=True,
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),
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AccountMeta(
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pubkey=payer.pubkey(), is_signer=True, is_writable=True
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),
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AccountMeta(
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pubkey=SYSTEM_PROGRAM, is_signer=False, is_writable=False
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),
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AccountMeta(
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pubkey=SYSTEM_TOKEN_PROGRAM, is_signer=False, is_writable=False
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),
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AccountMeta(pubkey=SYSTEM_RENT, is_signer=False, is_writable=False),
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AccountMeta(
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pubkey=PUMP_EVENT_AUTHORITY, is_signer=False, is_writable=False
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),
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AccountMeta(
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pubkey=PUMP_PROGRAM, is_signer=False, is_writable=False
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),
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]
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discriminator = struct.pack("<Q", 16927863322537952870)
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data = (
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discriminator
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+ struct.pack("<Q", int(token_amount * 10**6))
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+ struct.pack("<Q", max_amount_lamports)
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)
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buy_ix = Instruction(PUMP_PROGRAM, data, accounts)
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recent_blockhash = await client.get_latest_blockhash()
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transaction = Transaction()
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transaction.add(buy_ix)
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transaction.recent_blockhash = recent_blockhash.value.blockhash
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tx = await client.send_transaction(
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transaction,
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payer,
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opts=TxOpts(skip_preflight=True, preflight_commitment=Confirmed),
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)
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print(f"Transaction sent: https://explorer.solana.com/tx/{tx.value}")
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await client.confirm_transaction(tx.value, commitment="confirmed")
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print("Transaction confirmed")
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return tx.value
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except Exception as e:
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print(f"Attempt {attempt + 1} failed: {str(e)}")
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if attempt < max_retries - 1:
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wait_time = 2**attempt
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print(f"Retrying in {wait_time} seconds...")
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await asyncio.sleep(wait_time)
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else:
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print("Max retries reached. Unable to complete the transaction.")
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def load_idl(file_path):
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with open(file_path, "r") as f:
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return json.load(f)
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def decode_create_instruction(ix_data, ix_def, accounts):
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args = {}
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offset = 8 # Skip 8-byte discriminator
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for arg in ix_def["args"]:
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if arg["type"] == "string":
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length = struct.unpack_from("<I", ix_data, offset)[0]
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offset += 4
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value = ix_data[offset : offset + length].decode("utf-8")
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offset += length
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elif arg["type"] == "publicKey":
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value = base64.b64encode(ix_data[offset : offset + 32]).decode("utf-8")
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offset += 32
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else:
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raise ValueError(f"Unsupported type: {arg['type']}")
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args[arg["name"]] = value
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# Add accounts
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args["mint"] = str(accounts[0])
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args["bondingCurve"] = str(accounts[2])
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args["associatedBondingCurve"] = str(accounts[3])
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args["user"] = str(accounts[7])
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return args
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async def listen_for_create_transaction(websocket):
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idl = load_idl("idl/pump_fun_idl.json")
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create_discriminator = 8576854823835016728
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subscription_message = json.dumps(
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{
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"jsonrpc": "2.0",
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"id": 1,
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"method": "blockSubscribe",
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"params": [
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{"mentionsAccountOrProgram": str(PUMP_PROGRAM)},
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{
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"commitment": "confirmed",
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"encoding": "base64",
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"showRewards": False,
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"transactionDetails": "full",
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"maxSupportedTransactionVersion": 0,
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},
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],
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}
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)
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await websocket.send(subscription_message)
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print(f"Subscribed to blocks mentioning program: {PUMP_PROGRAM}")
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ping_interval = 20
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last_ping_time = time.time()
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while True:
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try:
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current_time = time.time()
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if current_time - last_ping_time > ping_interval:
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await websocket.ping()
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last_ping_time = current_time
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response = await asyncio.wait_for(websocket.recv(), timeout=30)
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data = json.loads(response)
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if "method" in data and data["method"] == "blockNotification":
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if "params" in data and "result" in data["params"]:
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block_data = data["params"]["result"]
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if "value" in block_data and "block" in block_data["value"]:
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block = block_data["value"]["block"]
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if "transactions" in block:
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for tx in block["transactions"]:
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if isinstance(tx, dict) and "transaction" in tx:
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tx_data_decoded = base64.b64decode(
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tx["transaction"][0]
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)
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transaction = VersionedTransaction.from_bytes(
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tx_data_decoded
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)
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for ix in transaction.message.instructions:
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if str(
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transaction.message.account_keys[
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ix.program_id_index
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]
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) == str(PUMP_PROGRAM):
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ix_data = bytes(ix.data)
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discriminator = struct.unpack(
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"<Q", ix_data[:8]
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)[0]
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if discriminator == create_discriminator:
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create_ix = next(
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instr
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for instr in idl["instructions"]
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if instr["name"] == "create"
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)
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account_keys = [
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str(
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transaction.message.account_keys[
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index
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]
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)
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for index in ix.accounts
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]
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decoded_args = (
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decode_create_instruction(
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ix_data, create_ix, account_keys
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)
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)
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return decoded_args
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except asyncio.TimeoutError:
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print("No data received for 30 seconds, sending ping...")
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await websocket.ping()
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last_ping_time = time.time()
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except websockets.exceptions.ConnectionClosed:
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print("WebSocket connection closed. Reconnecting...")
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raise
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async def main(yolo_mode=False):
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if yolo_mode:
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while True:
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try:
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async with websockets.connect(WSS_ENDPOINT) as websocket:
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while True:
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try:
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await trade(websocket)
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except websockets.exceptions.ConnectionClosed:
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print("WebSocket connection closed. Reconnecting...")
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break
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except Exception as e:
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print(f"An error occurred: {e}")
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print(
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"Waiting for 5 seconds before looking for the next token..."
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)
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await asyncio.sleep(5)
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except Exception as e:
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print(f"Connection error: {e}")
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print("Reconnecting in 5 seconds...")
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await asyncio.sleep(5)
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else:
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await trade()
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if __name__ == "__main__":
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asyncio.run(main())
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