DCIPs/assets/eip-6404/tests/normalized/convert_transactions.py

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from rlp import decode
from snappy import compress
from ssz_tx_types import *
from create_transactions import *
def normalize_signed_transaction(encoded_signed_tx: bytes, cfg: ExecutionConfig) -> Transaction:
eip2718_type = encoded_signed_tx[0]
if eip2718_type == 0x05: # EIP-4844
signed_tx = BlobTransactionNetworkWrapper.decode_bytes(encoded_signed_tx[1:]).tx
assert signed_tx.message.chain_id == cfg.chain_id
signature = ecdsa_pack_signature(
signed_tx.signature.y_parity,
signed_tx.signature.r,
signed_tx.signature.s,
)
tx_from = ecdsa_recover_tx_from(signature, compute_eip4844_sig_hash(signed_tx))
match signed_tx.message.to.selector():
case 1:
tx_to = DestinationAddress(
destination_type=DESTINATION_TYPE_REGULAR,
address=signed_tx.message.to.value(),
)
case 0:
tx_to = DestinationAddress(
destination_type=DESTINATION_TYPE_CREATE,
address=compute_contract_address(tx_from, signed_tx.message.nonce),
)
return Transaction(
payload=TransactionPayload(
tx_from=tx_from,
nonce=signed_tx.message.nonce,
tx_to=tx_to,
tx_value=signed_tx.message.value,
tx_input=signed_tx.message.data,
limits=TransactionLimits(
max_priority_fee_per_gas=signed_tx.message.max_priority_fee_per_gas,
max_fee_per_gas=signed_tx.message.max_fee_per_gas,
gas=signed_tx.message.gas,
),
sig_type=TransactionSignatureType(
tx_type=TRANSACTION_TYPE_EIP4844,
),
signature=signature,
access_list=signed_tx.message.access_list,
blob=Optional[BlobDetails](BlobDetails(
max_fee_per_data_gas=signed_tx.message.max_fee_per_data_gas,
blob_versioned_hashes=signed_tx.message.blob_versioned_hashes,
)),
),
tx_hash=compute_eip4844_tx_hash(signed_tx),
)
if eip2718_type == 0x02: # EIP-1559
signed_tx = decode(encoded_signed_tx[1:], EIP1559SignedTransaction)
assert signed_tx.chain_id == cfg.chain_id
assert signed_tx.signature_y_parity in (0, 1)
signature = ecdsa_pack_signature(
signed_tx.signature_y_parity != 0,
signed_tx.signature_r,
signed_tx.signature_s,
)
tx_from = ecdsa_recover_tx_from(signature, compute_eip1559_sig_hash(signed_tx))
if len(signed_tx.destination) != 0:
tx_to = DestinationAddress(
destination_type=DESTINATION_TYPE_REGULAR,
address=ExecutionAddress(signed_tx.destination),
)
else:
tx_to = DestinationAddress(
destination_type=DESTINATION_TYPE_CREATE,
address=compute_contract_address(tx_from, signed_tx.nonce),
)
return Transaction(
payload=TransactionPayload(
tx_from=tx_from,
nonce=signed_tx.nonce,
tx_to=tx_to,
tx_value=signed_tx.amount,
tx_input=signed_tx.data,
limits=TransactionLimits(
max_priority_fee_per_gas=signed_tx.max_priority_fee_per_gas,
max_fee_per_gas=signed_tx.max_fee_per_gas,
gas=signed_tx.gas_limit,
),
sig_type=TransactionSignatureType(
tx_type=TRANSACTION_TYPE_EIP1559,
),
signature=signature,
access_list=[AccessTuple(
address=access_tuple[0],
storage_keys=access_tuple[1],
) for access_tuple in signed_tx.access_list],
),
tx_hash=compute_eip1559_tx_hash(signed_tx),
)
if eip2718_type == 0x01: # EIP-2930
signed_tx = decode(encoded_signed_tx[1:], EIP2930SignedTransaction)
assert signed_tx.chainId == cfg.chain_id
assert signed_tx.signatureYParity in (0, 1)
signature = ecdsa_pack_signature(
signed_tx.signatureYParity != 0,
signed_tx.signatureR,
signed_tx.signatureS,
)
tx_from = ecdsa_recover_tx_from(signature, compute_eip2930_sig_hash(signed_tx))
if len(signed_tx.to) != 0:
tx_to = DestinationAddress(
destination_type=DESTINATION_TYPE_REGULAR,
address=ExecutionAddress(signed_tx.to),
)
else:
tx_to = DestinationAddress(
destination_type=DESTINATION_TYPE_CREATE,
address=compute_contract_address(tx_from, signed_tx.nonce),
)
return Transaction(
payload=TransactionPayload(
tx_from=tx_from,
nonce=signed_tx.nonce,
tx_to=tx_to,
tx_value=signed_tx.value,
tx_input=signed_tx.data,
limits=TransactionLimits(
max_priority_fee_per_gas=signed_tx.gasPrice,
max_fee_per_gas=signed_tx.gasPrice,
gas=signed_tx.gasLimit,
),
sig_type=TransactionSignatureType(
tx_type=TRANSACTION_TYPE_EIP2930,
),
signature=signature,
access_list=[AccessTuple(
address=access_tuple[0],
storage_keys=access_tuple[1],
) for access_tuple in signed_tx.accessList],
),
tx_hash=compute_eip2930_tx_hash(signed_tx),
)
if 0xc0 <= eip2718_type <= 0xfe: # Legacy
signed_tx = decode(encoded_signed_tx, LegacySignedTransaction)
if signed_tx.v not in (27, 28): # EIP-155
assert signed_tx.v in (2 * cfg.chain_id + 35, 2 * cfg.chain_id + 36)
signature = ecdsa_pack_signature(
((signed_tx.v & 0x1) == 0),
signed_tx.r,
signed_tx.s,
)
tx_from = ecdsa_recover_tx_from(signature, compute_legacy_sig_hash(signed_tx))
if len(signed_tx.to) != 0:
tx_to = DestinationAddress(
destination_type=DESTINATION_TYPE_REGULAR,
address=ExecutionAddress(signed_tx.to),
)
else:
tx_to = DestinationAddress(
destination_Type=DESTINATION_TYPE_CREATE,
address=compute_contract_address(tx_from, signed_tx.nonce),
)
return Transaction(
payload=TransactionPayload(
tx_from=tx_from,
nonce=signed_tx.nonce,
tx_to=tx_to,
tx_value=signed_tx.value,
tx_input=signed_tx.data,
limits=TransactionLimits(
max_priority_fee_per_gas=signed_tx.gasprice,
max_fee_per_gas=signed_tx.gasprice,
gas=signed_tx.startgas,
),
sig_type=TransactionSignatureType(
tx_type=TRANSACTION_TYPE_LEGACY,
no_replay_protection=(signed_tx.v in (27, 28)),
),
signature=signature,
),
tx_hash=compute_legacy_tx_hash(signed_tx),
)
assert False
transactions = List[Transaction, MAX_TRANSACTIONS_PER_PAYLOAD](*[
normalize_signed_transaction(encoded_signed_tx, cfg)
for encoded_signed_tx in encoded_signed_txs
])
transactions_root = transactions.hash_tree_root()
if __name__ == '__main__':
print('transactions_root')
print(f'0x{transactions_root.hex()}')
for tx_index in range(len(transactions)):
tx = transactions[tx_index]
encoded = tx.encode_bytes()
print(f'{tx_index} - {len(encoded)} bytes (Snappy: {len(compress(encoded))})')
print(f'0x{tx.tx_hash.hex()}')
print(encoded.hex())