forked from LBRYCommunity/lbry-sdk
122 lines
4.6 KiB
Python
122 lines
4.6 KiB
Python
import asyncio
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import logging
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from binascii import unhexlify
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from typing import Tuple, List, Dict
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from torba.client.baseledger import BaseLedger
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from lbrynet.schema.result import Outputs
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from lbrynet.schema.url import URL
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from lbrynet.wallet.dewies import dewies_to_lbc
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from lbrynet.wallet.resolve import Resolver
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from lbrynet.wallet.account import Account
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from lbrynet.wallet.network import Network
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from lbrynet.wallet.database import WalletDatabase
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from lbrynet.wallet.transaction import Transaction, Output
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from lbrynet.wallet.header import Headers, UnvalidatedHeaders
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log = logging.getLogger(__name__)
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class MainNetLedger(BaseLedger):
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name = 'LBRY Credits'
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symbol = 'LBC'
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network_name = 'mainnet'
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headers: Headers
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account_class = Account
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database_class = WalletDatabase
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headers_class = Headers
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network_class = Network
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transaction_class = Transaction
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db: WalletDatabase
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secret_prefix = bytes((0x1c,))
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pubkey_address_prefix = bytes((0x55,))
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script_address_prefix = bytes((0x7a,))
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extended_public_key_prefix = unhexlify('0488b21e')
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extended_private_key_prefix = unhexlify('0488ade4')
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max_target = 0x0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
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genesis_hash = '9c89283ba0f3227f6c03b70216b9f665f0118d5e0fa729cedf4fb34d6a34f463'
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genesis_bits = 0x1f00ffff
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target_timespan = 150
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default_fee_per_byte = 50
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default_fee_per_name_char = 200000
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.fee_per_name_char = self.config.get('fee_per_name_char', self.default_fee_per_name_char)
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self.resolver = Resolver(self)
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async def _inflate_outputs(self, query):
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outputs = Outputs.from_base64(await query)
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txs = []
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if len(outputs.txs) > 0:
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txs = await asyncio.gather(*(self.cache_transaction(*tx) for tx in outputs.txs))
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return outputs.inflate(txs), outputs.offset, outputs.total
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async def resolve(self, urls):
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txos = (await self._inflate_outputs(self.network.resolve(urls)))[0]
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assert len(urls) == len(txos), "Mismatch between urls requested for resolve and responses received."
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result = {}
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for url, txo in zip(urls, txos):
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if txo and URL.parse(url).has_stream_in_channel:
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if not txo.channel or not txo.is_signed_by(txo.channel, self):
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txo = None
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if txo:
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result[url] = txo
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else:
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result[url] = {'error': f'{url} did not resolve to a claim'}
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return result
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async def claim_search(self, **kwargs) -> Tuple[List, int, int]:
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return await self._inflate_outputs(self.network.claim_search(**kwargs))
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async def get_claim_by_claim_id(self, claim_id) -> Dict[str, Output]:
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for claim in (await self.claim_search(claim_id=claim_id))[0]:
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return claim
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async def start(self):
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await super().start()
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await asyncio.gather(*(a.maybe_migrate_certificates() for a in self.accounts))
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await asyncio.gather(*(a.save_max_gap() for a in self.accounts))
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await self._report_state()
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async def _report_state(self):
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for account in self.accounts:
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total_receiving = len((await account.receiving.get_addresses()))
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total_change = len((await account.change.get_addresses()))
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channel_count = await account.get_channel_count()
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claim_count = await account.get_claim_count()
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balance = dewies_to_lbc(await account.get_balance())
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log.info("Loaded account %s with %s LBC, %d receiving addresses (gap: %d), "
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"%d change addresses (gap: %d), %d channels, %d certificates and %d claims. ",
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account.id, balance, total_receiving, account.receiving.gap, total_change, account.change.gap,
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channel_count, len(account.channel_keys), claim_count)
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class TestNetLedger(MainNetLedger):
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network_name = 'testnet'
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pubkey_address_prefix = bytes((111,))
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script_address_prefix = bytes((196,))
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extended_public_key_prefix = unhexlify('043587cf')
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extended_private_key_prefix = unhexlify('04358394')
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class RegTestLedger(MainNetLedger):
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network_name = 'regtest'
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headers_class = UnvalidatedHeaders
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pubkey_address_prefix = bytes((111,))
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script_address_prefix = bytes((196,))
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extended_public_key_prefix = unhexlify('043587cf')
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extended_private_key_prefix = unhexlify('04358394')
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max_target = 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
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genesis_hash = '6e3fcf1299d4ec5d79c3a4c91d624a4acf9e2e173d95a1a0504f677669687556'
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genesis_bits = 0x207fffff
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target_timespan = 1
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