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Use Transaction from solders

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Anton Sauchyk
2024-11-06 13:16:39 +00:00
parent 713fceab6f
commit eef799f053
2 changed files with 200 additions and 32 deletions
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.gitignore
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@@ -0,0 +1,162 @@
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learning-examples/manual_buy.py
+38 -32
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@@ -3,19 +3,25 @@ import json
import base64
import struct
import base58
import os
from solana.transaction import Message
from solana.rpc.async_api import AsyncClient
from solana.transaction import Transaction
from solana.rpc.commitment import Confirmed
from solana.rpc.types import TxOpts
from solders.pubkey import Pubkey
from solders.keypair import Keypair
from solders.instruction import Instruction, AccountMeta
from solana.rpc.types import TxOpts
from solders.system_program import TransferParams, transfer
from solders.transaction import VersionedTransaction, Transaction
from solders.compute_budget import set_compute_unit_price
import spl.token.instructions as spl_token
from spl.token.instructions import get_associated_token_address
import websockets
import hashlib
from solders.transaction import VersionedTransaction
import spl.token.instructions as spl_token
from construct import Struct, Int64ul, Flag
# Here and later all the discriminators are precalculated. See learning-examples/discriminator.py
@@ -34,8 +40,9 @@ SYSTEM_RENT = Pubkey.from_string("SysvarRent111111111111111111111111111111111")
SOL = Pubkey.from_string("So11111111111111111111111111111111111111112")
LAMPORTS_PER_SOL = 1_000_000_000
# RPC endpoint
RPC_ENDPOINT = "https://nd-789-855-895.p2pify.com/a24eec46e256346bd48e6a7ae9aab4c5"
# RPC ENDPOINTS
RPC_ENDPOINT = "ENTER_YOUR_CHAINSTACK_HTTP_ENDPOINT"
RPC_WEBSOCKET = "ENTER_YOUR_CHAINSTACK_WS_ENDPOINT"
class BondingCurveState:
_STRUCT = Struct(
@@ -68,8 +75,8 @@ def calculate_pump_curve_price(curve_state: BondingCurveState) -> float:
return (curve_state.virtual_sol_reserves / LAMPORTS_PER_SOL) / (curve_state.virtual_token_reserves / 10 ** TOKEN_DECIMALS)
async def buy_token(mint: Pubkey, bonding_curve: Pubkey, associated_bonding_curve: Pubkey, amount: float, slippage: float = 0.01, max_retries=5):
private_key = base58.b58decode("5dhFD6KgGThDa2c8ytNquSVgpD1o1WuG4qGrSaT4yy3AbW812dYctgUEj8wV4XoWYfmdqFy6UaWLK8QZ7XzgnLZE")
async def buy_token(mint: Pubkey, bonding_curve: Pubkey, associated_bonding_curve: Pubkey, amount: float, slippage: float = 0.25, max_retries=5):
private_key = base58.b58decode("ENTER_PRIVATE_KEY")
payer = Keypair.from_bytes(private_key)
async with AsyncClient(RPC_ENDPOINT) as client:
@@ -95,11 +102,15 @@ async def buy_token(mint: Pubkey, bonding_curve: Pubkey, associated_bonding_curv
owner=payer.pubkey(),
mint=mint
)
create_ata_tx = Transaction()
create_ata_tx.add(create_ata_ix)
recent_blockhash = await client.get_latest_blockhash()
create_ata_tx.recent_blockhash = recent_blockhash.value.blockhash
await client.send_transaction(create_ata_tx, payer)
msg = Message([create_ata_ix], payer.pubkey())
tx_ata = await client.send_transaction(
Transaction([payer], msg, (await client.get_latest_blockhash()).value.blockhash),
opts=TxOpts(skip_preflight=True, preflight_commitment=Confirmed)
)
await client.confirm_transaction(tx_ata.value, commitment="confirmed")
print("Associated token account created.")
print(f"Associated token account address: {associated_token_account}")
break
@@ -139,25 +150,20 @@ async def buy_token(mint: Pubkey, bonding_curve: Pubkey, associated_bonding_curv
data = discriminator + struct.pack("<Q", int(token_amount * 10**6)) + struct.pack("<Q", max_amount_lamports)
buy_ix = Instruction(PUMP_PROGRAM, data, accounts)
recent_blockhash = await client.get_latest_blockhash()
transaction = Transaction()
transaction.add(buy_ix)
transaction.recent_blockhash = recent_blockhash.value.blockhash
msg = Message([set_compute_unit_price(1_000), buy_ix], payer.pubkey())
tx_buy = await client.send_transaction(
Transaction([payer], msg, (await client.get_latest_blockhash()).value.blockhash),
opts=TxOpts(skip_preflight=True, preflight_commitment=Confirmed)
)
tx = await client.send_transaction(
transaction,
payer,
opts=TxOpts(skip_preflight=True, preflight_commitment=Confirmed),
)
print(f"Transaction sent: https://explorer.solana.com/tx/{tx_buy.value}")
print(f"Transaction sent: https://explorer.solana.com/tx/{tx.value}")
await client.confirm_transaction(tx.value, commitment="confirmed")
await client.confirm_transaction(tx_buy.value, commitment="confirmed")
print("Transaction confirmed")
return # Success, exit the function
except Exception as e:
print(f"Attempt {attempt + 1} failed: {str(e)}")
print(f"Attempt {attempt + 1} failed: {str(e)[:50]}")
if attempt < max_retries - 1:
wait_time = 2 ** attempt
print(f"Retrying in {wait_time} seconds...")
@@ -165,8 +171,6 @@ async def buy_token(mint: Pubkey, bonding_curve: Pubkey, associated_bonding_curv
else:
print("Max retries reached. Unable to complete the transaction.")
RPC_NODE_URL = "wss://ws-nd-789-855-895.p2pify.com/a24eec46e256346bd48e6a7ae9aab4c5"
def load_idl(file_path):
with open(file_path, 'r') as f:
return json.load(f)
@@ -203,10 +207,11 @@ def decode_create_instruction(ix_data, ix_def, accounts):
return args
async def listen_for_create_transaction():
idl = load_idl('../idl/pump_fun_idl.json')
idl_path = os.path.join(os.path.dirname(__file__), '..', 'idl', 'pump_fun_idl.json')
idl = load_idl(idl_path)
create_discriminator = calculate_discriminator("global:create")
async with websockets.connect(RPC_NODE_URL) as websocket:
async with websockets.connect(RPC_WEBSOCKET) as websocket:
subscription_message = json.dumps({
"jsonrpc": "2.0",
"id": 1,
@@ -257,8 +262,9 @@ async def main():
print("New token created:")
print(json.dumps(token_data, indent=2))
print("Waiting for 15 seconds for things to stabilize...")
await asyncio.sleep(15)
sleep_duration_sec = 15
print(f"Waiting for {sleep_duration_sec} seconds for things to stabilize...")
await asyncio.sleep(sleep_duration_sec)
mint = Pubkey.from_string(token_data['mint'])
bonding_curve = Pubkey.from_string(token_data['bondingCurve'])