mirror of
https://github.com/chainstacklabs/pumpfun-bonkfun-bot.git
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smypmsa
217 lines
8.3 KiB
Python
217 lines
8.3 KiB
Python
import asyncio
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import os
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import struct
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import base58
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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 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 Transaction
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from spl.token.instructions import get_associated_token_address
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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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# Global constants
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PUMP_PROGRAM = Pubkey.from_string("6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P")
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PUMP_GLOBAL = Pubkey.from_string("4wTV1YmiEkRvAtNtsSGPtUrqRYQMe5SKy2uB4Jjaxnjf")
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PUMP_EVENT_AUTHORITY = Pubkey.from_string(
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"Ce6TQqeHC9p8KetsN6JsjHK7UTZk7nasjjnr7XxXp9F1"
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)
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PUMP_FEE = Pubkey.from_string("CebN5WGQ4jvEPvsVU4EoHEpgzq1VV7AbicfhtW4xC9iM")
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SYSTEM_PROGRAM = Pubkey.from_string("11111111111111111111111111111111")
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SYSTEM_TOKEN_PROGRAM = Pubkey.from_string("TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA")
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SYSTEM_ASSOCIATED_TOKEN_ACCOUNT_PROGRAM = Pubkey.from_string(
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"ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL"
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)
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SYSTEM_RENT = Pubkey.from_string("SysvarRent111111111111111111111111111111111")
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SOL = Pubkey.from_string("So11111111111111111111111111111111111111112")
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LAMPORTS_PER_SOL = 1_000_000_000
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UNIT_PRICE = 10_000_000
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UNIT_BUDGET = 100_000
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# RPC endpoint
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RPC_ENDPOINT = os.environ.get("SOLANA_NODE_WSS_ENDPOINT")
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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 get_token_balance(conn: AsyncClient, associated_token_account: Pubkey):
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response = await conn.get_token_account_balance(associated_token_account)
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if response.value:
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return int(response.value.amount)
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return 0
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async def sell_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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slippage: float = 0.25,
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max_retries=5,
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):
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private_key = base58.b58decode(os.environ.get("SOLANA_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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# Get token balance
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token_balance = await get_token_balance(client, associated_token_account)
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token_balance_decimal = token_balance / 10**TOKEN_DECIMALS
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print(f"Token balance: {token_balance_decimal}")
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if token_balance == 0:
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print("No tokens to sell.")
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return
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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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print(f"Price per Token: {token_price_sol:.20f} SOL")
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# Calculate minimum SOL output
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amount = token_balance
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min_sol_output = float(token_balance_decimal) * float(token_price_sol)
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slippage_factor = 1 - slippage
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min_sol_output = int((min_sol_output * slippage_factor) * LAMPORTS_PER_SOL)
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print(f"Selling {token_balance_decimal} tokens")
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print(f"Minimum SOL output: {min_sol_output / LAMPORTS_PER_SOL:.10f} SOL")
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# Continue with the sell 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_ASSOCIATED_TOKEN_ACCOUNT_PROGRAM,
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is_signer=False,
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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(
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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", 12502976635542562355)
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data = (
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discriminator
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+ struct.pack("<Q", amount)
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+ struct.pack("<Q", min_sol_output)
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)
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sell_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(sell_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 # Success, exit the function
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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 # Exponential backoff
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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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async def main():
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# Replace these with the actual values for the token you want to sell
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mint = Pubkey.from_string("EyLuyWV5N1GVSqLLeumFDWYkmmSkLED5s2xqu37Lpump")
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bonding_curve = Pubkey.from_string("AGZLYVwmGL9cXCLN4C3ki9hXGix1kXYjr59B2H7jwRMQ")
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associated_bonding_curve = Pubkey.from_string(
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"74H2bo2hjNnWgf9oDHzsVsu3mcsoiYYWJ3s9dVnL5erV"
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)
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slippage = 0.25 # 25% slippage tolerance
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print(f"Bonding curve address: {bonding_curve}")
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print(f"Selling tokens with {slippage * 100:.1f}% slippage tolerance...")
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await sell_token(mint, bonding_curve, associated_bonding_curve, slippage)
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if __name__ == "__main__":
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asyncio.run(main())
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