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Merged
merged 2 commits into from
Dec 21, 2022
Merged

Guibescos/simplify compute transaction size #24

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9eed1ac
Fix poetry lock
guibescos Dec 21, 2022
a1d30b5
Simplify compute transaction size
guibescos Dec 21, 2022
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81 changes: 50 additions & 31 deletions poetry.lock
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19 changes: 2 additions & 17 deletions program_admin/util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,7 @@
from solana.publickey import PublicKey
from solana.rpc.async_api import AsyncClient
from solana.rpc.commitment import Commitment
from solana.transaction import SIG_LENGTH, Transaction
from solana.utils import shortvec_encoding as shortvec
from solana.transaction import Transaction

from program_admin.types import (
Network,
Expand Down Expand Up @@ -35,23 +34,9 @@ async def recent_blockhash(client: AsyncClient) -> Blockhash:
def compute_transaction_size(transaction: Transaction) -> int:
"""
Returns the total over-the-wire size of a transaction

This is the same code from solana.transaction.Transaction.__serialize()
"""
payload = bytearray()
signature_count = shortvec.encode_length(len(transaction.signatures))

payload.extend(signature_count)

for sig_pair in transaction.signatures:
if sig_pair.signature:
payload.extend(sig_pair.signature)
else:
payload.extend(bytearray(SIG_LENGTH))

payload.extend(transaction.serialize_message())

return len(payload)
return len(transaction.serialize())


def encode_product_metadata(data: Dict[str, str]) -> bytes:
Expand Down