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