lbry-sdk/lbry/service/full_node.py
2020-05-01 09:33:58 -04:00

62 lines
2 KiB
Python

import logging
from binascii import hexlify, unhexlify
from lbry.blockchain.lbrycrd import Lbrycrd
from lbry.blockchain.sync import BlockchainSync
from lbry.blockchain.ledger import Ledger
from lbry.blockchain.transaction import Transaction
from .base import Service
log = logging.getLogger(__name__)
class FullNode(Service):
sync: BlockchainSync
def __init__(self, ledger: Ledger, db_url: str, chain: Lbrycrd = None):
super().__init__(ledger, db_url)
self.chain = chain or Lbrycrd(ledger)
self.sync = BlockchainSync(self, self.chain)
async def start(self):
await self.chain.open()
await super().start()
async def stop(self):
await super().stop()
await self.chain.close()
async def get_block_address_filters(self):
return {
hexlify(f['block_hash']).decode(): hexlify(f['block_filter']).decode()
for f in await self.db.get_block_address_filters()
}
async def search_transactions(self, txids):
tx_hashes = [unhexlify(txid)[::-1] for txid in txids]
return {
hexlify(tx['tx_hash'][::-1]).decode(): hexlify(tx['raw']).decode()
for tx in await self.db.get_raw_transactions(tx_hashes)
}
async def search_claims(self, accounts, **kwargs):
txo_rows, extra_txo_rows, offset, total, search_censor = await self.db.search_claims(**kwargs)
return txo_rows, None, None, total
async def get_transaction_address_filters(self, block_hash):
return {
hexlify(f['tx_hash'][::-1]).decode(): hexlify(f['tx_filter']).decode()
for f in await self.db.get_transaction_address_filters(unhexlify(block_hash))
}
async def broadcast(self, tx):
return await self.chain.send_raw_transaction(hexlify(tx.raw).decode())
async def wait(self, tx: Transaction, height=-1, timeout=1):
pass
async def resolve(self, accounts, urls, **kwargs):
raise NotImplementedError