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fix: add idempotent_ata_ix

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This commit is contained in:
Sheng-Yan
2025-06-23 10:37:28 +08:00
parent d493d6668b
commit 83c7bb3414
1 changed files with 8 additions and 58 deletions
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learning-examples/manual_buy.py
+8 -58
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@@ -18,7 +18,7 @@ from solders.keypair import Keypair
from solders.message import Message
from solders.pubkey import Pubkey
from solders.transaction import Transaction, VersionedTransaction
from spl.token.instructions import get_associated_token_address
from spl.token.instructions import create_idempotent_associated_token_account, get_associated_token_address
# Here and later all the discriminators are precalculated. See learning-examples/calculate_discriminator.py
EXPECTED_DISCRIMINATOR = struct.pack("<Q", 6966180631402821399)
@@ -125,61 +125,6 @@ async def buy_token(
# Calculate maximum SOL to spend with slippage
max_amount_lamports = int(amount_lamports * (1 + slippage))
# Create associated token account with retries
for ata_attempt in range(max_retries):
try:
account_info = await client.get_account_info(associated_token_account, encoding="base64")
if account_info.value is None:
print(
f"Creating associated token account (Attempt {ata_attempt + 1})..."
)
create_ata_ix = spl_token.create_associated_token_account(
payer=payer.pubkey(), owner=payer.pubkey(), mint=mint
)
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
else:
print("Associated token account already exists.")
print(
f"Associated token account address: {associated_token_account}"
)
break
except Exception as e:
print(
f"Attempt {ata_attempt + 1} to create associated token account failed: {e!s}"
)
if ata_attempt < max_retries - 1:
wait_time = 2**ata_attempt
print(f"Retrying in {wait_time} seconds...")
await asyncio.sleep(wait_time)
else:
print(
"Max retries reached. Unable to create associated token account."
)
return
# Continue with the buy transaction
for attempt in range(max_retries):
try:
accounts = [
@@ -224,8 +169,13 @@ async def buy_token(
+ struct.pack("<Q", max_amount_lamports)
)
buy_ix = Instruction(PUMP_PROGRAM, data, accounts)
msg = Message([set_compute_unit_price(1_000), buy_ix], payer.pubkey())
idempotent_ata_ix = create_idempotent_associated_token_account(
payer.pubkey(), payer.pubkey(), mint
)
msg = Message(
[set_compute_unit_price(1_000), idempotent_ata_ix, buy_ix],
payer.pubkey(),
)
tx_buy = await client.send_transaction(
Transaction(
[payer],