122 lines
4.4 KiB
Python
122 lines
4.4 KiB
Python
import logging
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from six import int2byte
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from binascii import unhexlify
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from twisted.internet import defer
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from .resolve import Resolver
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from lbryschema.error import URIParseError
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from lbryschema.uri import parse_lbry_uri
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from torba.baseledger import BaseLedger
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from .account import Account
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from .network import Network
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from .database import WalletDatabase
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from .transaction import Transaction
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from .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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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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secret_prefix = int2byte(0x1c)
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pubkey_address_prefix = int2byte(0x55)
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script_address_prefix = int2byte(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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@property
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def resolver(self):
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return Resolver(self.headers.claim_trie_root, self.headers.height, self.transaction_class,
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hash160_to_address=self.hash160_to_address, network=self.network)
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@defer.inlineCallbacks
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def resolve(self, page, page_size, *uris):
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for uri in uris:
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try:
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parse_lbry_uri(uri)
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except URIParseError as err:
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defer.returnValue({'error': err.message})
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resolutions = yield self.network.get_values_for_uris(self.headers.hash().decode(), *uris)
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return (yield self.resolver._handle_resolutions(resolutions, uris, page, page_size))
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@defer.inlineCallbacks
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def get_claim_by_claim_id(self, claim_id):
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result = (yield self.network.get_claims_by_ids(claim_id)).pop(claim_id, {})
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return (yield self.resolver.get_certificate_and_validate_result(result))
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@defer.inlineCallbacks
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def get_claim_by_outpoint(self, txid, nout):
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claims = (yield self.network.get_claims_in_tx(txid)) or []
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for claim in claims:
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if claim['nout'] == nout:
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return (yield self.resolver.get_certificate_and_validate_result(claim))
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return 'claim not found'
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@defer.inlineCallbacks
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def start(self):
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yield super().start()
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yield defer.DeferredList([
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a.maybe_migrate_certificates() for a in self.accounts
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])
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yield defer.DeferredList([a.save_max_gap() for a in self.accounts])
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yield self._report_state()
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@defer.inlineCallbacks
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def _report_state(self):
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for account in self.accounts:
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total_receiving = len((yield account.receiving.get_addresses()))
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total_change = len((yield account.change.get_addresses()))
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channel_count = yield account.get_channel_count()
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claim_count = yield account.get_claim_count()
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log.info("Loaded account %s with %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, total_receiving, account.receiving.gap, total_change, account.change.gap,
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channel_count, len(account.certificates), claim_count)
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class TestNetLedger(MainNetLedger):
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network_name = 'testnet'
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pubkey_address_prefix = int2byte(111)
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script_address_prefix = int2byte(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 = int2byte(111)
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script_address_prefix = int2byte(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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