async def do_main(args: argparse.Namespace) -> None:
# Establish database connections
engine = _get_engine(args)
Session.configure(bind=engine) # type: ignore
session = Session()
# Ensure database schema is present
if args.database_url == MEMORY_DB:
Base.metadata.create_all(engine)
start_block = args.start_block
end_block = args.end_block
from web3.auto.ipc import w3
if args.disable_jsonrpc:
ipc_path = None
elif args.ipc_path:
ipc_path = args.ipc_path
else:
ipc_path = get_xdg_cthaeh_root() / "jsonrpc.ipc"
app = Application(
w3,
session,
start_block=start_block,
end_block=end_block,
concurrency=args.concurrency,
ipc_path=ipc_path,
)
logger.info("Started main process (pid=%d)", os.getpid())
async with background_trio_service(app) as manager:
await manager.wait_finished()
def session(_Session, _schema):
session = Session()
transaction = session.begin_nested()
try:
yield session
finally:
transaction.rollback()
session.close()
class LogTopic(Base):
query = Session.query_property()
__tablename__ = "logtopic"
__table_args__ = (
UniqueConstraint("idx",
"log_receipt_hash",
"log_idx",
name="ix_idx_log_receipt_hash_log_idx"),
Index(
"ix_idx_topic_topic_log_receipt_hash_log_idx",
"idx",
"topic_topic",
"log_receipt_hash",
"log_idx",
),
ForeignKeyConstraint(("log_idx", "log_receipt_hash"),
("log.idx", "log.receipt_hash")),
)
__mapper_args__ = {"confirm_deleted_rows": False}
id = Column(Integer, primary_key=True)
idx = Column(Integer, nullable=False)
topic_topic = Column(LargeBinary(32),
ForeignKey("topic.topic"),
index=True,
nullable=False)
log_idx = Column(Integer, nullable=False)
log_receipt_hash = Column(LargeBinary(32), nullable=False)
topic = relationship("Topic")
log = relationship("Log", foreign_keys=[log_idx, log_receipt_hash])
class BlockUncle(Base):
query = Session.query_property()
__tablename__ = "blockuncle"
__table_args__ = (
Index(
"ix_blockuncle_idx_block_header_hash",
"idx",
"block_header_hash",
unique=True,
),
Index(
"ix_block_header_hash_uncle_hash",
"block_header_hash",
"uncle_hash",
unique=True,
),
)
idx = Column(Integer, nullable=False)
block_header_hash = Column(LargeBinary(32),
ForeignKey("block.header_hash"),
primary_key=True)
uncle_hash = Column(LargeBinary(32),
ForeignKey("header.hash"),
primary_key=True)
block = relationship("Block")
uncle = relationship("Header")
class BlockTransaction(Base):
query = Session.query_property()
__tablename__ = "blocktransaction"
__table_args__ = (
Index(
"ix_blocktransaction_idx_block_header_hash",
"idx",
"block_header_hash",
unique=True,
),
Index(
"ix_block_header_hash_transaction_hash",
"block_header_hash",
"transaction_hash",
unique=True,
),
)
idx = Column(Integer, nullable=False)
block_header_hash = Column(LargeBinary(32),
ForeignKey("block.header_hash"),
primary_key=True)
transaction_hash = Column(LargeBinary(32),
ForeignKey("transaction.hash"),
primary_key=True)
block = relationship("Block")
transaction = relationship("Transaction")
class Receipt(Base):
query = Session.query_property()
__tablename__ = "receipt"
transaction_hash = Column(LargeBinary(32),
ForeignKey("transaction.hash"),
primary_key=True)
transaction = relationship("Transaction", back_populates="receipt")
state_root = Column(LargeBinary(32), nullable=False)
gas_used = Column(BigInteger, nullable=False)
_bloom = Column(LargeBinary(1024), nullable=False)
logs = relationship("Log", back_populates="receipt", order_by="Log.idx")
@property
def bloom(self) -> int:
return big_endian_to_int(self._bloom)
@bloom.setter
def bloom(self, value: int) -> None:
self._bloom = int_to_big_endian(value)
@classmethod
def from_ir(cls, receipt_ir: ReceiptIR,
transaction_hash: Hash32) -> "Receipt":
return cls(
transaction_hash=transaction_hash,
state_root=receipt_ir.state_root,
gas_used=receipt_ir.gas_used,
_bloom=receipt_ir.bloom,
)
class Log(Base):
query = Session.query_property()
__tablename__ = "log"
__table_args__ = (UniqueConstraint("idx",
"receipt_hash",
name="ix_idx_receipt_hash"), )
id = Column(Integer, primary_key=True)
idx = Column(Integer, nullable=False)
receipt_hash = Column(
LargeBinary(32),
ForeignKey("receipt.transaction_hash"),
index=True,
nullable=False,
)
receipt = relationship("Receipt", back_populates="logs")
address = Column(LargeBinary(20), index=True, nullable=False)
topics = relationship("Topic", secondary="logtopic", order_by=LogTopic.idx)
data = Column(LargeBinary, nullable=False)
def __repr__(self) -> str:
return (f"Log("
f"idx={self.idx!r}, "
f"receipt_hash={self.receipt_hash!r}, "
f"address={self.address!r}, "
f"data={self.data!r}, "
f"topics={self.topics!r}"
f")")
def __str__(self) -> str:
# TODO: use eth_utils.humanize_bytes once it is released
if len(self.data) > 4:
pretty_data = humanize_hash(Hash32(self.data))
else:
pretty_data = self.data.hex()
if len(self.topics) == 0: # type: ignore
pretty_topics = "(anonymous)"
else:
pretty_topics = "|".join((
humanize_hash(Hash32(topic.topic))
for topic in self.topics # type: ignore
))
return f"Log[#{self.idx} A={humanize_hash(self.address)} D={pretty_data}/T={pretty_topics}]" # type: ignore # noqa: E501
@classmethod
def from_ir(cls, log_ir: LogIR, idx: int, receipt_hash: Hash32) -> "Log":
return cls(idx=idx,
receipt_hash=receipt_hash,
address=log_ir.address,
data=log_ir.data)
class Transaction(Base):
query = Session.query_property()
__tablename__ = "transaction"
hash = Column(LargeBinary(32), primary_key=True)
block_header_hash = Column(LargeBinary(32),
ForeignKey("block.header_hash"),
nullable=True,
index=True)
block = relationship("Block")
blocks = relationship("Block",
secondary="blocktransaction",
order_by=BlockTransaction.idx)
receipt = relationship("Receipt",
uselist=False,
back_populates="transaction",
cascade="all")
nonce = Column(BigInteger, nullable=False)
gas_price = Column(BigInteger, nullable=False)
gas = Column(BigInteger, nullable=False)
to = Column(LargeBinary(20), nullable=True)
value = Column(LargeBinary(32), nullable=False)
data = Column(LargeBinary, nullable=False)
v = Column(LargeBinary(32), nullable=False)
r = Column(LargeBinary(32), nullable=False)
s = Column(LargeBinary(32), nullable=False)
sender = Column(LargeBinary(20), nullable=False)
@classmethod
def from_ir(cls, transaction_ir: TransactionIR,
block_header_hash: Optional[Hash32]) -> "Transaction":
return cls(
hash=transaction_ir.hash,
block_header_hash=block_header_hash,
nonce=transaction_ir.nonce,
gas_price=transaction_ir.gas_price,
gas=transaction_ir.gas,
to=transaction_ir.to,
value=transaction_ir.value,
data=transaction_ir.data,
v=transaction_ir.v,
r=transaction_ir.r,
s=transaction_ir.s,
sender=transaction_ir.sender,
)
class Topic(Base):
query = Session.query_property()
__tablename__ = "topic"
topic = Column(LargeBinary(32), primary_key=True)
logs = relationship("Log", secondary="logtopic", order_by=LogTopic.idx)
def __repr__(self) -> str:
return f"Topic(topic={self.topic!r})"
def __str__(self) -> str:
return f"Topic[{humanize_hash(self.topic)}]" # type: ignore
class Block(Base):
query = Session.query_property()
__tablename__ = "block"
header_hash = Column(LargeBinary(32),
ForeignKey("header.hash"),
primary_key=True)
header = relationship("Header", back_populates="block")
uncles = relationship("Header",
secondary="blockuncle",
order_by=BlockUncle.idx)
transactions = relationship("Transaction",
secondary="blocktransaction",
order_by=BlockTransaction.idx)
class LogTopic(Base):
query = Session.query_property()
__tablename__ = "logtopic"
__table_args__ = (
UniqueConstraint("idx", "log_id", name="ix_idx_log_id"),
Index("ix_idx_topic_topic_log_id", "idx", "topic_topic", "log_id"),
)
id = Column(Integer, primary_key=True)
idx = Column(Integer, nullable=False)
topic_topic = Column(LargeBinary(32),
ForeignKey("topic.topic"),
index=True,
nullable=False)
log_id = Column(Integer, ForeignKey("log.id"), index=True, nullable=False)
topic = relationship("Topic")
log = relationship("Log")
class Header(Base):
query = Session.query_property()
__tablename__ = "header"
__table_args__ = (
CheckConstraint(
"_parent_hash is null or _detatched_parent_hash is null",
name="_no_double_parent_hash",
),
Index("ix_hash_is_canonical", "hash", "is_canonical"),
)
hash = Column(LargeBinary(32), primary_key=True)
block = relationship("Block", uselist=False, back_populates="header")
uncle_blocks = relationship("Block",
secondary="blockuncle",
order_by=BlockUncle.idx)
is_canonical = Column(Boolean, nullable=False, index=True)
_detatched_parent_hash = Column(LargeBinary(32), nullable=True, index=True)
_parent_hash = Column(LargeBinary(32),
ForeignKey("header.hash"),
nullable=True,
index=True)
uncles_hash = Column(LargeBinary(32), nullable=False)
coinbase = Column(LargeBinary(20), nullable=False)
state_root = Column(LargeBinary(32), nullable=False)
transaction_root = Column(LargeBinary(32), nullable=False)
receipt_root = Column(LargeBinary(32), nullable=False)
_bloom = Column(LargeBinary(1024), nullable=False)
difficulty = Column(LargeBinary(32), nullable=False)
block_number = Column(BigInteger, index=True, nullable=False)
gas_limit = Column(BigInteger, nullable=False)
gas_used = Column(BigInteger, nullable=False)
timestamp = Column(Integer, nullable=False)
extra_data = Column(LargeBinary, nullable=False)
# mix_hash = Column(LargeBinary(32), nullable=False)
nonce = Column(LargeBinary(8), nullable=False)
children = relationship(
"Header",
backref=backref("parent", remote_side=[hash]) # type: ignore
)
@property
def is_genesis(self) -> bool:
return (self.block_number == 0 and self.is_canonical # noqa: W503
and self.parent_hash == GENESIS_PARENT_HASH # noqa: W503
)
@property
def is_detatched(self) -> bool:
return self._parent_hash is None and self._detatched_parent_hash is not None
@property
def parent_hash(self) -> Optional[Hash32]:
if self._parent_hash is not None and self._detatched_parent_hash is not None:
raise TypeError("Invalid: header has two parent hashes")
elif self._detatched_parent_hash is not None:
return Hash32(self._detatched_parent_hash)
elif self._parent_hash is None:
if self.block_number == 0:
return GENESIS_PARENT_HASH
else:
return None
else:
return Hash32(self._parent_hash)
@parent_hash.setter
def parent_hash(self, value: Optional[Hash32]) -> None:
if value == GENESIS_PARENT_HASH and self.block_number == 0:
self._parent_hash = None
else:
self._parent_hash = value
@classmethod
def from_ir(cls, header: HeaderIR, is_detatched: bool = False) -> "Header":
parent_hash: Optional[Hash32]
if is_detatched or header.is_genesis:
parent_hash = None
else:
parent_hash = header.parent_hash
detatched_parent_hash: Optional[Hash32]
if is_detatched:
detatched_parent_hash = header.parent_hash
else:
detatched_parent_hash = None
return cls(
hash=header.hash,
is_canonical=header.is_canonical,
_parent_hash=parent_hash,
_detatched_parent_hash=detatched_parent_hash,
uncles_hash=header.uncles_hash,
coinbase=header.coinbase,
state_root=header.state_root,
transaction_root=header.transaction_root,
receipt_root=header.receipt_root,
_bloom=header.bloom,
difficulty=header.difficulty,
block_number=header.block_number,
gas_limit=header.gas_limit,
gas_used=header.gas_used,
timestamp=header.timestamp,
extra_data=header.extra_data,
# mix_hash=header.mix_hash,
nonce=header.nonce,
)
def _Session(engine, _schema):
Session.configure(bind=engine)
return Session
class Header(Base):
query = Session.query_property()
__tablename__ = "header"
hash = Column(LargeBinary(32), primary_key=True)
block = relationship("Block", uselist=False, back_populates="header")
uncle_blocks = relationship("Block",
secondary="blockuncle",
order_by=BlockUncle.idx)
is_canonical = Column(Boolean, nullable=False)
_parent_hash = Column(LargeBinary(32),
ForeignKey("header.hash"),
nullable=True,
index=True)
uncles_hash = Column(LargeBinary(32), nullable=False)
coinbase = Column(LargeBinary(20), nullable=False)
state_root = Column(LargeBinary(32), nullable=False)
transaction_root = Column(LargeBinary(32), nullable=False)
receipt_root = Column(LargeBinary(32), nullable=False)
_bloom = Column(LargeBinary(1024), nullable=False)
difficulty = Column(LargeBinary(32), nullable=False)
block_number = Column(BigInteger, index=True, nullable=False)
gas_limit = Column(BigInteger, nullable=False)
gas_used = Column(BigInteger, nullable=False)
timestamp = Column(Integer, nullable=False)
extra_data = Column(LargeBinary, nullable=False)
# mix_hash = Column(LargeBinary(32), nullable=False)
nonce = Column(LargeBinary(8), nullable=False)
children = relationship(
"Header",
backref=backref("parent", remote_side=[hash]) # type: ignore
)
@property
def parent_hash(self) -> Optional[Hash32]:
if self._parent_hash is None:
if self.block_number == 0:
return GENESIS_PARENT_HASH
else:
return None
else:
return Hash32(self._parent_hash)
@parent_hash.setter
def parent_hash(self, value: Optional[Hash32]) -> None:
if value == GENESIS_PARENT_HASH and self.block_number == 0:
self._parent_hash = None
else:
self._parent_hash = value
@classmethod
def from_ir(cls, header: HeaderIR) -> "Header":
return cls(
hash=header.hash,
is_canonical=header.is_canonical,
_parent_hash=None if header.is_genesis else header.parent_hash,
uncles_hash=header.uncles_hash,
coinbase=header.coinbase,
state_root=header.state_root,
transaction_root=header.transaction_root,
receipt_root=header.receipt_root,
_bloom=header.bloom,
difficulty=header.difficulty,
block_number=header.block_number,
gas_limit=header.gas_limit,
gas_used=header.gas_used,
timestamp=header.timestamp,
extra_data=header.extra_data,
# mix_hash=header.mix_hash,
nonce=header.nonce,
)
