async def get_blockchain_state(self) -> Dict:
response = await self.fetch("get_blockchain_state", {})
response["tips"] = [
Header.from_json_dict(tip) for tip in response["tips"]
]
response["lca"] = Header.from_json_dict(response["lca"])
return response
async def get_header_by_height(self, header_height) -> Optional[Header]:
try:
response = await self.fetch("get_header_by_height",
{"height": header_height})
except Exception:
return None
return Header.from_json_dict(response["header"])
async def get_header(self, header_hash) -> Optional[Header]:
try:
response = await self.fetch("get_header",
{"header_hash": header_hash.hex()})
except aiohttp.client_exceptions.ClientResponseError as e:
if e.message == "Not Found":
return None
raise
return Header.from_json_dict(response)
async def get_header(self, header_hash) -> Optional[Header]:
try:
response = await self.fetch("get_header",
{"header_hash": header_hash.hex()})
if response["header"] is None:
return None
except Exception:
return None
return Header.from_json_dict(response["header"])
async def get_unfinished_block_headers(self, height: uint32) -> List[Header]:
response = await self.fetch("get_unfinished_block_headers", {"height": height})
return [Header.from_json_dict(r) for r in response["headers"]]
async def get_heaviest_block_seen(self) -> Header:
response = await self.fetch("get_heaviest_block_seen", {})
return Header.from_json_dict(response["tip"])
