lbry-sdk/lbrynet/wallet/ledger.py
2019-04-03 00:51:05 -04:00

109 lines
4.2 KiB
Python

import asyncio
import logging
from binascii import unhexlify
from torba.client.baseledger import BaseLedger
from lbrynet.schema.uri import parse_lbry_uri, URIParseError
from lbrynet.wallet.dewies import dewies_to_lbc
from lbrynet.wallet.resolve import Resolver
from lbrynet.wallet.account import Account, validate_claim_id
from lbrynet.wallet.network import Network
from lbrynet.wallet.database import WalletDatabase
from lbrynet.wallet.transaction import Transaction
from lbrynet.wallet.header import Headers, UnvalidatedHeaders
log = logging.getLogger(__name__)
class MainNetLedger(BaseLedger):
name = 'LBRY Credits'
symbol = 'LBC'
network_name = 'mainnet'
headers: Headers
account_class = Account
database_class = WalletDatabase
headers_class = Headers
network_class = Network
transaction_class = Transaction
db: WalletDatabase
secret_prefix = bytes((0x1c,))
pubkey_address_prefix = bytes((0x55,))
script_address_prefix = bytes((0x7a,))
extended_public_key_prefix = unhexlify('0488b21e')
extended_private_key_prefix = unhexlify('0488ade4')
max_target = 0x0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
genesis_hash = '9c89283ba0f3227f6c03b70216b9f665f0118d5e0fa729cedf4fb34d6a34f463'
genesis_bits = 0x1f00ffff
target_timespan = 150
default_fee_per_byte = 50
default_fee_per_name_char = 200000
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.fee_per_name_char = self.config.get('fee_per_name_char', self.default_fee_per_name_char)
@property
def resolver(self):
return Resolver(self.headers, self.transaction_class,
hash160_to_address=self.hash160_to_address, network=self.network, ledger=self)
def resolve(self, page, page_size, *uris):
return self.resolver.resolve(page, page_size, *uris)
async def get_claim_by_claim_id(self, claim_id):
result = (await self.network.get_claims_by_ids(claim_id)).pop(claim_id, {})
return await self.resolver.get_certificate_and_validate_result(result)
async def get_claim_by_outpoint(self, txid, nout):
claims = (await self.network.get_claims_in_tx(txid)) or []
for claim in claims:
if claim['nout'] == nout:
return await self.resolver.get_certificate_and_validate_result(claim)
return 'claim not found'
async def start(self):
await super().start()
await asyncio.gather(*(a.maybe_migrate_certificates() for a in self.accounts))
await asyncio.gather(*(a.save_max_gap() for a in self.accounts))
await self._report_state()
async def _report_state(self):
for account in self.accounts:
total_receiving = len((await account.receiving.get_addresses()))
total_change = len((await account.change.get_addresses()))
channel_count = await account.get_channel_count()
claim_count = await account.get_claim_count()
balance = dewies_to_lbc(await account.get_balance())
log.info("Loaded account %s with %s LBC, %d receiving addresses (gap: %d), "
"%d change addresses (gap: %d), %d channels, %d certificates and %d claims. ",
account.id, balance, total_receiving, account.receiving.gap, total_change, account.change.gap,
channel_count, len(account.channel_keys), claim_count)
class TestNetLedger(MainNetLedger):
network_name = 'testnet'
pubkey_address_prefix = bytes((111,))
script_address_prefix = bytes((196,))
extended_public_key_prefix = unhexlify('043587cf')
extended_private_key_prefix = unhexlify('04358394')
class RegTestLedger(MainNetLedger):
network_name = 'regtest'
headers_class = UnvalidatedHeaders
pubkey_address_prefix = bytes((111,))
script_address_prefix = bytes((196,))
extended_public_key_prefix = unhexlify('043587cf')
extended_private_key_prefix = unhexlify('04358394')
max_target = 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
genesis_hash = '6e3fcf1299d4ec5d79c3a4c91d624a4acf9e2e173d95a1a0504f677669687556'
genesis_bits = 0x207fffff
target_timespan = 1