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feat: add priority fee support with dynamic/fixed options, hard cap, and extra fee

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This commit is contained in:
smypmsa
2025-03-12 22:11:31 +00:00
parent 3fb5d15104
commit ac3d463d20
10 changed files with 266 additions and 40 deletions
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src/trading/buyer.py
+22 -14
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@@ -5,13 +5,11 @@ Buy operations for pump.fun tokens.
import struct
from typing import Final
from solders.hash import Hash
from solders.instruction import AccountMeta, Instruction
from solders.message import Message
from solders.pubkey import Pubkey
from solders.transaction import Transaction
from spl.token.instructions import create_associated_token_account
from core.priority_fee.manager import PriorityFeeManager
from src.core.client import SolanaClient
from src.core.curve import BondingCurveManager
from src.core.pubkeys import (
@@ -38,6 +36,7 @@ class TokenBuyer(Trader):
client: SolanaClient,
wallet: Wallet,
curve_manager: BondingCurveManager,
priority_fee_manager: PriorityFeeManager,
amount: float,
slippage: float = 0.01,
max_retries: int = 5,
@@ -55,6 +54,7 @@ class TokenBuyer(Trader):
self.client = client
self.wallet = wallet
self.curve_manager = curve_manager
self.priority_fee_manager = priority_fee_manager
self.amount = amount
self.slippage = slippage
self.max_retries = max_retries
@@ -147,13 +147,19 @@ class TokenBuyer(Trader):
payer=self.wallet.pubkey, owner=self.wallet.pubkey, mint=mint
)
recent_blockhash: Hash = await self.client.get_latest_blockhash()
create_ata_msg = Message([create_ata_ix], self.wallet.keypair.pubkey())
create_ata_tx = Transaction(
[self.wallet.keypair], create_ata_msg, recent_blockhash
)
# recent_blockhash: Hash = await self.client.get_latest_blockhash()
# create_ata_msg = Message([create_ata_ix], self.wallet.keypair.pubkey())
# create_ata_tx = Transaction(
# [self.wallet.keypair], create_ata_msg, recent_blockhash
# )
tx_sig = await self.client.send_transaction(create_ata_tx)
tx_sig = await self.client.build_and_send_transaction(
[create_ata_ix],
self.wallet.keypair,
skip_preflight=True,
max_retries=self.max_retries,
priority_fee=await self.priority_fee_manager.calculate_priority_fee(), # Get priority fee from manager
)
await self.client.confirm_transaction(tx_sig)
logger.info(
@@ -234,15 +240,17 @@ class TokenBuyer(Trader):
buy_ix = Instruction(PumpAddresses.PROGRAM, data, accounts)
# Prepare buy transaction data
recent_blockhash: Hash = await self.client.get_latest_blockhash()
buy_message = Message([buy_ix], self.wallet.keypair.pubkey())
buy_tx = Transaction([self.wallet.keypair], buy_message, recent_blockhash)
# recent_blockhash: Hash = await self.client.get_latest_blockhash()
# buy_message = Message([buy_ix], self.wallet.keypair.pubkey())
# buy_tx = Transaction([self.wallet.keypair], buy_message, recent_blockhash)
try:
return await self.client.send_transaction(
buy_tx,
return await self.client.build_and_send_transaction(
[buy_ix],
self.wallet.keypair,
skip_preflight=True,
max_retries=self.max_retries,
priority_fee=await self.priority_fee_manager.calculate_priority_fee(), # Get priority fee from manager
)
except Exception as e:
logger.error(f"Buy transaction failed: {str(e)}")