def get_transaction_index(self, transaction_hash):
try:
encoded_key = self.db.get(make_transaction_hash_to_block_lookup_key(transaction_hash))
except KeyError:
raise TransactionNotFound(
"Transaction {} not found in canonical chain".format(encode_hex(transaction_hash)))
transaction_key = rlp.decode(encoded_key, sedes=TransactionKey)
return (transaction_key.block_number, transaction_key.index)
def get_transaction_index(self, transaction_hash):
try:
encoded_key = self.db.get(make_transaction_hash_to_block_lookup_key(transaction_hash))
except KeyError:
raise TransactionNotFound(
"Transaction {} not found in canonical chain".format(encode_hex(transaction_hash)))
transaction_key = rlp.decode(encoded_key, sedes=TransactionKey)
return (transaction_key.block_number, transaction_key.index)
def _add_transaction_to_canonical_chain(self, transaction_hash: bytes,
block_header: BlockHeader,
index: int) -> None:
"""
:param bytes transaction_hash: the hash of the transaction to add the lookup for
:param block_header: The header of the block with the txn that is in the canonical chain
:param int index: the position of the transaction in the block
- add lookup from transaction hash to the block number and index that the body is stored at
- remove transaction hash to body lookup in the pending pool
"""
transaction_key = TransactionKey(block_header.block_number, index)
self.db.set(
make_transaction_hash_to_block_lookup_key(transaction_hash),
rlp.encode(transaction_key),
)
def _add_transaction_to_canonical_chain(self, transaction_hash, block_header, index):
"""
:param bytes transaction_hash: the hash of the transaction to add the lookup for
:param block_header: The header of the block with the txn that is in the canonical chain
:param int index: the position of the transaction in the block
- add lookup from transaction hash to the block number and index that the body is stored at
- remove transaction hash to body lookup in the pending pool
"""
transaction_key = TransactionKey(block_header.block_number, index)
self.db.set(
make_transaction_hash_to_block_lookup_key(transaction_hash),
rlp.encode(transaction_key),
)
# because transaction is now in canonical chain, can now remove from pending txn lookups
lookup_key = make_transaction_hash_to_data_lookup_key(transaction_hash)
if self.db.exists(lookup_key):
self.db.delete(lookup_key)
def _add_transaction_to_canonical_chain(self, transaction_hash, block_header, index):
"""
:param bytes transaction_hash: the hash of the transaction to add the lookup for
:param block_header: The header of the block with the txn that is in the canonical chain
:param int index: the position of the transaction in the block
- add lookup from transaction hash to the block number and index that the body is stored at
- remove transaction hash to body lookup in the pending pool
"""
transaction_key = TransactionKey(block_header.block_number, index)
self.db.set(
make_transaction_hash_to_block_lookup_key(transaction_hash),
rlp.encode(transaction_key),
)
# because transaction is now in canonical chain, can now remove from pending txn lookups
lookup_key = make_transaction_hash_to_data_lookup_key(transaction_hash)
if self.db.exists(lookup_key):
self.db.delete(lookup_key)
def _remove_transaction_from_canonical_chain(self, transaction_hash):
self.db.delete(make_transaction_hash_to_block_lookup_key(transaction_hash))
def _remove_transaction_from_canonical_chain(self, transaction_hash):
self.db.delete(make_transaction_hash_to_block_lookup_key(transaction_hash))
