1612 lines
50 KiB
Python
1612 lines
50 KiB
Python
import typing
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import struct
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import array
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import base64
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from typing import Union, Tuple, NamedTuple, Optional
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from lbry.wallet.server.db import DB_PREFIXES
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from lbry.wallet.server.db.db import KeyValueStorage, PrefixDB
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from lbry.wallet.server.db.revertable import RevertableOpStack, RevertablePut, RevertableDelete
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from lbry.schema.url import normalize_name
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ACTIVATED_CLAIM_TXO_TYPE = 1
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ACTIVATED_SUPPORT_TXO_TYPE = 2
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def length_encoded_name(name: str) -> bytes:
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encoded = name.encode('utf-8')
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return len(encoded).to_bytes(2, byteorder='big') + encoded
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def length_prefix(key: str) -> bytes:
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return len(key).to_bytes(1, byteorder='big') + key.encode()
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ROW_TYPES = {}
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class PrefixRowType(type):
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def __new__(cls, name, bases, kwargs):
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klass = super().__new__(cls, name, bases, kwargs)
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if name != "PrefixRow":
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ROW_TYPES[klass.prefix] = klass
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return klass
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class PrefixRow(metaclass=PrefixRowType):
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prefix: bytes
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key_struct: struct.Struct
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value_struct: struct.Struct
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key_part_lambdas = []
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def __init__(self, db: KeyValueStorage, op_stack: RevertableOpStack):
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self._db = db
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self._op_stack = op_stack
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def iterate(self, prefix=None, start=None, stop=None,
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reverse: bool = False, include_key: bool = True, include_value: bool = True,
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fill_cache: bool = True, deserialize_key: bool = True, deserialize_value: bool = True):
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if not prefix and not start and not stop:
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prefix = ()
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if prefix is not None:
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prefix = self.pack_partial_key(*prefix)
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if start is not None:
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start = self.pack_partial_key(*start)
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if stop is not None:
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stop = self.pack_partial_key(*stop)
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if deserialize_key:
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key_getter = lambda k: self.unpack_key(k)
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else:
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key_getter = lambda k: k
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if deserialize_value:
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value_getter = lambda v: self.unpack_value(v)
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else:
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value_getter = lambda v: v
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if include_key and include_value:
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for k, v in self._db.iterator(prefix=prefix, start=start, stop=stop, reverse=reverse,
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fill_cache=fill_cache):
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yield key_getter(k), value_getter(v)
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elif include_key:
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for k in self._db.iterator(prefix=prefix, start=start, stop=stop, reverse=reverse, include_value=False,
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fill_cache=fill_cache):
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yield key_getter(k)
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elif include_value:
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for v in self._db.iterator(prefix=prefix, start=start, stop=stop, reverse=reverse, include_key=False,
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fill_cache=fill_cache):
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yield value_getter(v)
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else:
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for _ in self._db.iterator(prefix=prefix, start=start, stop=stop, reverse=reverse, include_key=False,
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include_value=False, fill_cache=fill_cache):
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yield None
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def get(self, *key_args, fill_cache=True, deserialize_value=True):
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v = self._db.get(self.pack_key(*key_args), fill_cache=fill_cache)
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if v:
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return v if not deserialize_value else self.unpack_value(v)
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def stage_put(self, key_args=(), value_args=()):
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self._op_stack.append_op(RevertablePut(self.pack_key(*key_args), self.pack_value(*value_args)))
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def stage_delete(self, key_args=(), value_args=()):
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self._op_stack.append_op(RevertableDelete(self.pack_key(*key_args), self.pack_value(*value_args)))
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@classmethod
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def pack_partial_key(cls, *args) -> bytes:
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return cls.prefix + cls.key_part_lambdas[len(args)](*args)
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@classmethod
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def pack_key(cls, *args) -> bytes:
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return cls.prefix + cls.key_struct.pack(*args)
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@classmethod
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def pack_value(cls, *args) -> bytes:
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return cls.value_struct.pack(*args)
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@classmethod
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def unpack_key(cls, key: bytes):
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assert key[:1] == cls.prefix
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return cls.key_struct.unpack(key[1:])
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@classmethod
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def unpack_value(cls, data: bytes):
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return cls.value_struct.unpack(data)
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@classmethod
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def unpack_item(cls, key: bytes, value: bytes):
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return cls.unpack_key(key), cls.unpack_value(value)
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class UTXOKey(NamedTuple):
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hashX: bytes
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tx_num: int
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nout: int
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def __str__(self):
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return f"{self.__class__.__name__}(hashX={self.hashX.hex()}, tx_num={self.tx_num}, nout={self.nout})"
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class UTXOValue(NamedTuple):
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amount: int
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class HashXUTXOKey(NamedTuple):
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short_tx_hash: bytes
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tx_num: int
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nout: int
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def __str__(self):
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return f"{self.__class__.__name__}(short_tx_hash={self.short_tx_hash.hex()}, tx_num={self.tx_num}, nout={self.nout})"
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class HashXUTXOValue(NamedTuple):
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hashX: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(hashX={self.hashX.hex()})"
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class HashXHistoryKey(NamedTuple):
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hashX: bytes
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height: int
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def __str__(self):
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return f"{self.__class__.__name__}(hashX={self.hashX.hex()}, height={self.height})"
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class HashXHistoryValue(NamedTuple):
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hashXes: typing.List[int]
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class BlockHashKey(NamedTuple):
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height: int
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class BlockHashValue(NamedTuple):
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block_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(block_hash={self.block_hash.hex()})"
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class TxCountKey(NamedTuple):
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height: int
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class TxCountValue(NamedTuple):
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tx_count: int
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class TxHashKey(NamedTuple):
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tx_num: int
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class TxHashValue(NamedTuple):
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tx_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(tx_hash={self.tx_hash.hex()})"
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class TxNumKey(NamedTuple):
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tx_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(tx_hash={self.tx_hash.hex()})"
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class TxNumValue(NamedTuple):
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tx_num: int
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class TxKey(NamedTuple):
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tx_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(tx_hash={self.tx_hash.hex()})"
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class TxValue(NamedTuple):
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raw_tx: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(raw_tx={base64.b64encode(self.raw_tx)})"
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class BlockHeaderKey(NamedTuple):
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height: int
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class BlockHeaderValue(NamedTuple):
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header: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(header={base64.b64encode(self.header)})"
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class ClaimToTXOKey(typing.NamedTuple):
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claim_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()})"
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class ClaimToTXOValue(typing.NamedTuple):
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tx_num: int
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position: int
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root_tx_num: int
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root_position: int
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amount: int
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# activation: int
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channel_signature_is_valid: bool
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name: str
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@property
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def normalized_name(self) -> str:
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try:
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return normalize_name(self.name)
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except UnicodeDecodeError:
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return self.name
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class TXOToClaimKey(typing.NamedTuple):
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tx_num: int
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position: int
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class TXOToClaimValue(typing.NamedTuple):
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claim_hash: bytes
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name: str
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()}, name={self.name})"
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class ClaimShortIDKey(typing.NamedTuple):
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normalized_name: str
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partial_claim_id: str
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root_tx_num: int
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root_position: int
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def __str__(self):
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return f"{self.__class__.__name__}(normalized_name={self.normalized_name}, " \
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f"partial_claim_id={self.partial_claim_id}, " \
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f"root_tx_num={self.root_tx_num}, root_position={self.root_position})"
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class ClaimShortIDValue(typing.NamedTuple):
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tx_num: int
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position: int
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class ClaimToChannelKey(typing.NamedTuple):
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claim_hash: bytes
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tx_num: int
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position: int
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()}, " \
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f"tx_num={self.tx_num}, position={self.position})"
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class ClaimToChannelValue(typing.NamedTuple):
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signing_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(signing_hash={self.signing_hash.hex()})"
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class ChannelToClaimKey(typing.NamedTuple):
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signing_hash: bytes
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name: str
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tx_num: int
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position: int
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def __str__(self):
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return f"{self.__class__.__name__}(signing_hash={self.signing_hash.hex()}, name={self.name}, " \
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f"tx_num={self.tx_num}, position={self.position})"
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class ChannelToClaimValue(typing.NamedTuple):
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claim_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()})"
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class ChannelCountKey(typing.NamedTuple):
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channel_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(channel_hash={self.channel_hash.hex()})"
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class ChannelCountValue(typing.NamedTuple):
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count: int
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class SupportAmountKey(typing.NamedTuple):
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claim_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()})"
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class SupportAmountValue(typing.NamedTuple):
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amount: int
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class ClaimToSupportKey(typing.NamedTuple):
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claim_hash: bytes
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tx_num: int
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position: int
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()}, tx_num={self.tx_num}, " \
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f"position={self.position})"
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class ClaimToSupportValue(typing.NamedTuple):
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amount: int
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class SupportToClaimKey(typing.NamedTuple):
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tx_num: int
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position: int
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class SupportToClaimValue(typing.NamedTuple):
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claim_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()})"
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class ClaimExpirationKey(typing.NamedTuple):
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expiration: int
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tx_num: int
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position: int
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class ClaimExpirationValue(typing.NamedTuple):
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claim_hash: bytes
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normalized_name: str
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()}, normalized_name={self.normalized_name})"
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class ClaimTakeoverKey(typing.NamedTuple):
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normalized_name: str
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class ClaimTakeoverValue(typing.NamedTuple):
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claim_hash: bytes
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height: int
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()}, height={self.height})"
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class PendingActivationKey(typing.NamedTuple):
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height: int
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txo_type: int
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tx_num: int
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position: int
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@property
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def is_support(self) -> bool:
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return self.txo_type == ACTIVATED_SUPPORT_TXO_TYPE
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@property
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def is_claim(self) -> bool:
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return self.txo_type == ACTIVATED_CLAIM_TXO_TYPE
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class PendingActivationValue(typing.NamedTuple):
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claim_hash: bytes
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normalized_name: str
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()}, normalized_name={self.normalized_name})"
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class ActivationKey(typing.NamedTuple):
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txo_type: int
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tx_num: int
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position: int
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class ActivationValue(typing.NamedTuple):
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height: int
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claim_hash: bytes
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normalized_name: str
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def __str__(self):
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return f"{self.__class__.__name__}(height={self.height}, claim_hash={self.claim_hash.hex()}, " \
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f"normalized_name={self.normalized_name})"
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class ActiveAmountKey(typing.NamedTuple):
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claim_hash: bytes
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txo_type: int
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activation_height: int
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tx_num: int
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position: int
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()}, txo_type={self.txo_type}, " \
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f"activation_height={self.activation_height}, tx_num={self.tx_num}, position={self.position})"
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class ActiveAmountValue(typing.NamedTuple):
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amount: int
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class EffectiveAmountKey(typing.NamedTuple):
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normalized_name: str
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effective_amount: int
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tx_num: int
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position: int
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class EffectiveAmountValue(typing.NamedTuple):
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claim_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()})"
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class RepostKey(typing.NamedTuple):
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claim_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()})"
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class RepostValue(typing.NamedTuple):
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reposted_claim_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(reposted_claim_hash={self.reposted_claim_hash.hex()})"
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class RepostedKey(typing.NamedTuple):
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reposted_claim_hash: bytes
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tx_num: int
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position: int
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def __str__(self):
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return f"{self.__class__.__name__}(reposted_claim_hash={self.reposted_claim_hash.hex()}, " \
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f"tx_num={self.tx_num}, position={self.position})"
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class RepostedValue(typing.NamedTuple):
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claim_hash: bytes
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def __str__(self):
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return f"{self.__class__.__name__}(claim_hash={self.claim_hash.hex()})"
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class TouchedOrDeletedClaimKey(typing.NamedTuple):
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height: int
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class TouchedOrDeletedClaimValue(typing.NamedTuple):
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touched_claims: typing.Set[bytes]
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deleted_claims: typing.Set[bytes]
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|
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def __str__(self):
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return f"{self.__class__.__name__}(" \
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f"touched_claims={','.join(map(lambda x: x.hex(), self.touched_claims))}," \
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f"deleted_claims={','.join(map(lambda x: x.hex(), self.deleted_claims))})"
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class DBState(typing.NamedTuple):
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genesis: bytes
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height: int
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tx_count: int
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tip: bytes
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utxo_flush_count: int
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wall_time: int
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first_sync: bool
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db_version: int
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hist_flush_count: int
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comp_flush_count: int
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comp_cursor: int
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class ActiveAmountPrefixRow(PrefixRow):
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prefix = DB_PREFIXES.active_amount.value
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key_struct = struct.Struct(b'>20sBLLH')
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value_struct = struct.Struct(b'>Q')
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key_part_lambdas = [
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lambda: b'',
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struct.Struct(b'>20s').pack,
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struct.Struct(b'>20sB').pack,
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struct.Struct(b'>20sBL').pack,
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struct.Struct(b'>20sBLL').pack,
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struct.Struct(b'>20sBLLH').pack
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]
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|
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@classmethod
|
|
def pack_key(cls, claim_hash: bytes, txo_type: int, activation_height: int, tx_num: int, position: int):
|
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return super().pack_key(claim_hash, txo_type, activation_height, tx_num, position)
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|
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@classmethod
|
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def unpack_key(cls, key: bytes) -> ActiveAmountKey:
|
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return ActiveAmountKey(*super().unpack_key(key))
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|
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@classmethod
|
|
def unpack_value(cls, data: bytes) -> ActiveAmountValue:
|
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return ActiveAmountValue(*super().unpack_value(data))
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|
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@classmethod
|
|
def pack_value(cls, amount: int) -> bytes:
|
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return cls.value_struct.pack(amount)
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|
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@classmethod
|
|
def pack_item(cls, claim_hash: bytes, txo_type: int, activation_height: int, tx_num: int, position: int, amount: int):
|
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return cls.pack_key(claim_hash, txo_type, activation_height, tx_num, position), cls.pack_value(amount)
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|
|
class ClaimToTXOPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.claim_to_txo.value
|
|
key_struct = struct.Struct(b'>20s')
|
|
value_struct = struct.Struct(b'>LHLHQB')
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>20s').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, claim_hash: bytes):
|
|
return super().pack_key(claim_hash)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> ClaimToTXOKey:
|
|
assert key[:1] == cls.prefix and len(key) == 21
|
|
return ClaimToTXOKey(key[1:])
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> ClaimToTXOValue:
|
|
tx_num, position, root_tx_num, root_position, amount, channel_signature_is_valid = cls.value_struct.unpack(
|
|
data[:21]
|
|
)
|
|
name_len = int.from_bytes(data[21:23], byteorder='big')
|
|
name = data[23:23 + name_len].decode()
|
|
return ClaimToTXOValue(
|
|
tx_num, position, root_tx_num, root_position, amount, bool(channel_signature_is_valid), name
|
|
)
|
|
|
|
@classmethod
|
|
def pack_value(cls, tx_num: int, position: int, root_tx_num: int, root_position: int, amount: int,
|
|
channel_signature_is_valid: bool, name: str) -> bytes:
|
|
return cls.value_struct.pack(
|
|
tx_num, position, root_tx_num, root_position, amount, int(channel_signature_is_valid)
|
|
) + length_encoded_name(name)
|
|
|
|
@classmethod
|
|
def pack_item(cls, claim_hash: bytes, tx_num: int, position: int, root_tx_num: int, root_position: int,
|
|
amount: int, channel_signature_is_valid: bool, name: str):
|
|
return cls.pack_key(claim_hash), \
|
|
cls.pack_value(tx_num, position, root_tx_num, root_position, amount, channel_signature_is_valid, name)
|
|
|
|
|
|
class TXOToClaimPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.txo_to_claim.value
|
|
key_struct = struct.Struct(b'>LH')
|
|
value_struct = struct.Struct(b'>20s')
|
|
|
|
@classmethod
|
|
def pack_key(cls, tx_num: int, position: int):
|
|
return super().pack_key(tx_num, position)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> TXOToClaimKey:
|
|
return TXOToClaimKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> TXOToClaimValue:
|
|
claim_hash, = cls.value_struct.unpack(data[:20])
|
|
name_len = int.from_bytes(data[20:22], byteorder='big')
|
|
name = data[22:22 + name_len].decode()
|
|
return TXOToClaimValue(claim_hash, name)
|
|
|
|
@classmethod
|
|
def pack_value(cls, claim_hash: bytes, name: str) -> bytes:
|
|
return cls.value_struct.pack(claim_hash) + length_encoded_name(name)
|
|
|
|
@classmethod
|
|
def pack_item(cls, tx_num: int, position: int, claim_hash: bytes, name: str):
|
|
return cls.pack_key(tx_num, position), \
|
|
cls.pack_value(claim_hash, name)
|
|
|
|
|
|
def shortid_key_helper(struct_fmt):
|
|
packer = struct.Struct(struct_fmt).pack
|
|
def wrapper(name, *args):
|
|
return length_encoded_name(name) + packer(*args)
|
|
return wrapper
|
|
|
|
|
|
def shortid_key_partial_claim_helper(name: str, partial_claim_id: str):
|
|
assert len(partial_claim_id) < 40
|
|
return length_encoded_name(name) + length_prefix(partial_claim_id)
|
|
|
|
|
|
class ClaimShortIDPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.claim_short_id_prefix.value
|
|
key_struct = struct.Struct(b'>LH')
|
|
value_struct = struct.Struct(b'>LH')
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
length_encoded_name,
|
|
shortid_key_partial_claim_helper
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, name: str, short_claim_id: str, root_tx_num: int, root_position: int):
|
|
return cls.prefix + length_encoded_name(name) + length_prefix(short_claim_id) +\
|
|
cls.key_struct.pack(root_tx_num, root_position)
|
|
|
|
@classmethod
|
|
def pack_value(cls, tx_num: int, position: int):
|
|
return super().pack_value(tx_num, position)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> ClaimShortIDKey:
|
|
assert key[:1] == cls.prefix
|
|
name_len = int.from_bytes(key[1:3], byteorder='big')
|
|
name = key[3:3 + name_len].decode()
|
|
claim_id_len = int.from_bytes(key[3+name_len:4+name_len], byteorder='big')
|
|
partial_claim_id = key[4+name_len:4+name_len+claim_id_len].decode()
|
|
return ClaimShortIDKey(name, partial_claim_id, *cls.key_struct.unpack(key[4 + name_len + claim_id_len:]))
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> ClaimShortIDValue:
|
|
return ClaimShortIDValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, name: str, partial_claim_id: str, root_tx_num: int, root_position: int,
|
|
tx_num: int, position: int):
|
|
return cls.pack_key(name, partial_claim_id, root_tx_num, root_position), \
|
|
cls.pack_value(tx_num, position)
|
|
|
|
|
|
class ClaimToChannelPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.claim_to_channel.value
|
|
key_struct = struct.Struct(b'>20sLH')
|
|
value_struct = struct.Struct(b'>20s')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>20s').pack,
|
|
struct.Struct(b'>20sL').pack,
|
|
struct.Struct(b'>20sLH').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, claim_hash: bytes, tx_num: int, position: int):
|
|
return super().pack_key(claim_hash, tx_num, position)
|
|
|
|
@classmethod
|
|
def pack_value(cls, signing_hash: bytes):
|
|
return super().pack_value(signing_hash)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> ClaimToChannelKey:
|
|
return ClaimToChannelKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> ClaimToChannelValue:
|
|
return ClaimToChannelValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, claim_hash: bytes, tx_num: int, position: int, signing_hash: bytes):
|
|
return cls.pack_key(claim_hash, tx_num, position), cls.pack_value(signing_hash)
|
|
|
|
|
|
def channel_to_claim_helper(struct_fmt):
|
|
packer = struct.Struct(struct_fmt).pack
|
|
|
|
def wrapper(signing_hash: bytes, name: str, *args):
|
|
return signing_hash + length_encoded_name(name) + packer(*args)
|
|
|
|
return wrapper
|
|
|
|
|
|
class ChannelToClaimPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.channel_to_claim.value
|
|
key_struct = struct.Struct(b'>LH')
|
|
value_struct = struct.Struct(b'>20s')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>20s').pack,
|
|
channel_to_claim_helper(b''),
|
|
channel_to_claim_helper(b'>s'),
|
|
channel_to_claim_helper(b'>L'),
|
|
channel_to_claim_helper(b'>LH'),
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, signing_hash: bytes, name: str, tx_num: int, position: int):
|
|
return cls.prefix + signing_hash + length_encoded_name(name) + cls.key_struct.pack(
|
|
tx_num, position
|
|
)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> ChannelToClaimKey:
|
|
assert key[:1] == cls.prefix
|
|
signing_hash = key[1:21]
|
|
name_len = int.from_bytes(key[21:23], byteorder='big')
|
|
name = key[23:23 + name_len].decode()
|
|
tx_num, position = cls.key_struct.unpack(key[23 + name_len:])
|
|
return ChannelToClaimKey(
|
|
signing_hash, name, tx_num, position
|
|
)
|
|
|
|
@classmethod
|
|
def pack_value(cls, claim_hash: bytes) -> bytes:
|
|
return super().pack_value(claim_hash)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> ChannelToClaimValue:
|
|
return ChannelToClaimValue(*cls.value_struct.unpack(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, signing_hash: bytes, name: str, tx_num: int, position: int,
|
|
claim_hash: bytes):
|
|
return cls.pack_key(signing_hash, name, tx_num, position), \
|
|
cls.pack_value(claim_hash)
|
|
|
|
|
|
class ClaimToSupportPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.claim_to_support.value
|
|
key_struct = struct.Struct(b'>20sLH')
|
|
value_struct = struct.Struct(b'>Q')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>20s').pack,
|
|
struct.Struct(b'>20sL').pack,
|
|
struct.Struct(b'>20sLH').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, claim_hash: bytes, tx_num: int, position: int):
|
|
return super().pack_key(claim_hash, tx_num, position)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> ClaimToSupportKey:
|
|
return ClaimToSupportKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, amount: int) -> bytes:
|
|
return super().pack_value(amount)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> ClaimToSupportValue:
|
|
return ClaimToSupportValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, claim_hash: bytes, tx_num: int, position: int, amount: int):
|
|
return cls.pack_key(claim_hash, tx_num, position), \
|
|
cls.pack_value(amount)
|
|
|
|
|
|
class SupportToClaimPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.support_to_claim.value
|
|
key_struct = struct.Struct(b'>LH')
|
|
value_struct = struct.Struct(b'>20s')
|
|
|
|
@classmethod
|
|
def pack_key(cls, tx_num: int, position: int):
|
|
return super().pack_key(tx_num, position)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> SupportToClaimKey:
|
|
return SupportToClaimKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, claim_hash: bytes) -> bytes:
|
|
return super().pack_value(claim_hash)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> SupportToClaimValue:
|
|
return SupportToClaimValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, tx_num: int, position: int, claim_hash: bytes):
|
|
return cls.pack_key(tx_num, position), \
|
|
cls.pack_value(claim_hash)
|
|
|
|
|
|
class ClaimExpirationPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.claim_expiration.value
|
|
key_struct = struct.Struct(b'>LLH')
|
|
value_struct = struct.Struct(b'>20s')
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>L').pack,
|
|
struct.Struct(b'>LL').pack,
|
|
struct.Struct(b'>LLH').pack,
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, expiration: int, tx_num: int, position: int) -> bytes:
|
|
return super().pack_key(expiration, tx_num, position)
|
|
|
|
@classmethod
|
|
def pack_value(cls, claim_hash: bytes, name: str) -> bytes:
|
|
return cls.value_struct.pack(claim_hash) + length_encoded_name(name)
|
|
|
|
@classmethod
|
|
def pack_item(cls, expiration: int, tx_num: int, position: int, claim_hash: bytes, name: str) -> typing.Tuple[bytes, bytes]:
|
|
return cls.pack_key(expiration, tx_num, position), cls.pack_value(claim_hash, name)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> ClaimExpirationKey:
|
|
return ClaimExpirationKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> ClaimExpirationValue:
|
|
name_len = int.from_bytes(data[20:22], byteorder='big')
|
|
name = data[22:22 + name_len].decode()
|
|
claim_id, = cls.value_struct.unpack(data[:20])
|
|
return ClaimExpirationValue(claim_id, name)
|
|
|
|
@classmethod
|
|
def unpack_item(cls, key: bytes, value: bytes) -> typing.Tuple[ClaimExpirationKey, ClaimExpirationValue]:
|
|
return cls.unpack_key(key), cls.unpack_value(value)
|
|
|
|
|
|
class ClaimTakeoverPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.claim_takeover.value
|
|
value_struct = struct.Struct(b'>20sL')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
length_encoded_name
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, name: str):
|
|
return cls.prefix + length_encoded_name(name)
|
|
|
|
@classmethod
|
|
def pack_value(cls, claim_hash: bytes, takeover_height: int):
|
|
return super().pack_value(claim_hash, takeover_height)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> ClaimTakeoverKey:
|
|
assert key[:1] == cls.prefix
|
|
name_len = int.from_bytes(key[1:3], byteorder='big')
|
|
name = key[3:3 + name_len].decode()
|
|
return ClaimTakeoverKey(name)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> ClaimTakeoverValue:
|
|
return ClaimTakeoverValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, name: str, claim_hash: bytes, takeover_height: int):
|
|
return cls.pack_key(name), cls.pack_value(claim_hash, takeover_height)
|
|
|
|
|
|
class PendingActivationPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.pending_activation.value
|
|
key_struct = struct.Struct(b'>LBLH')
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>L').pack,
|
|
struct.Struct(b'>LB').pack,
|
|
struct.Struct(b'>LBL').pack,
|
|
struct.Struct(b'>LBLH').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, height: int, txo_type: int, tx_num: int, position: int):
|
|
return super().pack_key(height, txo_type, tx_num, position)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> PendingActivationKey:
|
|
return PendingActivationKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, claim_hash: bytes, name: str) -> bytes:
|
|
return claim_hash + length_encoded_name(name)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> PendingActivationValue:
|
|
claim_hash = data[:20]
|
|
name_len = int.from_bytes(data[20:22], byteorder='big')
|
|
name = data[22:22 + name_len].decode()
|
|
return PendingActivationValue(claim_hash, name)
|
|
|
|
@classmethod
|
|
def pack_item(cls, height: int, txo_type: int, tx_num: int, position: int, claim_hash: bytes, name: str):
|
|
return cls.pack_key(height, txo_type, tx_num, position), \
|
|
cls.pack_value(claim_hash, name)
|
|
|
|
|
|
class ActivatedPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.activated_claim_and_support.value
|
|
key_struct = struct.Struct(b'>BLH')
|
|
value_struct = struct.Struct(b'>L20s')
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>B').pack,
|
|
struct.Struct(b'>BL').pack,
|
|
struct.Struct(b'>BLH').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, txo_type: int, tx_num: int, position: int):
|
|
return super().pack_key(txo_type, tx_num, position)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> ActivationKey:
|
|
return ActivationKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, height: int, claim_hash: bytes, name: str) -> bytes:
|
|
return cls.value_struct.pack(height, claim_hash) + length_encoded_name(name)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> ActivationValue:
|
|
height, claim_hash = cls.value_struct.unpack(data[:24])
|
|
name_len = int.from_bytes(data[24:26], byteorder='big')
|
|
name = data[26:26 + name_len].decode()
|
|
return ActivationValue(height, claim_hash, name)
|
|
|
|
@classmethod
|
|
def pack_item(cls, txo_type: int, tx_num: int, position: int, height: int, claim_hash: bytes, name: str):
|
|
return cls.pack_key(txo_type, tx_num, position), \
|
|
cls.pack_value(height, claim_hash, name)
|
|
|
|
|
|
def effective_amount_helper(struct_fmt):
|
|
packer = struct.Struct(struct_fmt).pack
|
|
|
|
def wrapper(name, *args):
|
|
if not args:
|
|
return length_encoded_name(name)
|
|
if len(args) == 1:
|
|
return length_encoded_name(name) + packer(0xffffffffffffffff - args[0])
|
|
return length_encoded_name(name) + packer(0xffffffffffffffff - args[0], *args[1:])
|
|
|
|
return wrapper
|
|
|
|
|
|
class EffectiveAmountPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.effective_amount.value
|
|
key_struct = struct.Struct(b'>QLH')
|
|
value_struct = struct.Struct(b'>20s')
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
length_encoded_name,
|
|
shortid_key_helper(b'>Q'),
|
|
shortid_key_helper(b'>QL'),
|
|
shortid_key_helper(b'>QLH'),
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, name: str, effective_amount: int, tx_num: int, position: int):
|
|
return cls.prefix + length_encoded_name(name) + cls.key_struct.pack(
|
|
0xffffffffffffffff - effective_amount, tx_num, position
|
|
)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> EffectiveAmountKey:
|
|
assert key[:1] == cls.prefix
|
|
name_len = int.from_bytes(key[1:3], byteorder='big')
|
|
name = key[3:3 + name_len].decode()
|
|
ones_comp_effective_amount, tx_num, position = cls.key_struct.unpack(key[3 + name_len:])
|
|
return EffectiveAmountKey(name, 0xffffffffffffffff - ones_comp_effective_amount, tx_num, position)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> EffectiveAmountValue:
|
|
return EffectiveAmountValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_value(cls, claim_hash: bytes) -> bytes:
|
|
return super().pack_value(claim_hash)
|
|
|
|
@classmethod
|
|
def pack_item(cls, name: str, effective_amount: int, tx_num: int, position: int, claim_hash: bytes):
|
|
return cls.pack_key(name, effective_amount, tx_num, position), cls.pack_value(claim_hash)
|
|
|
|
|
|
class RepostPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.repost.value
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>20s').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, claim_hash: bytes):
|
|
return cls.prefix + claim_hash
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> RepostKey:
|
|
assert key[:1] == cls.prefix
|
|
assert len(key) == 21
|
|
return RepostKey(key[1:])
|
|
|
|
@classmethod
|
|
def pack_value(cls, reposted_claim_hash: bytes) -> bytes:
|
|
return reposted_claim_hash
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> RepostValue:
|
|
return RepostValue(data)
|
|
|
|
@classmethod
|
|
def pack_item(cls, claim_hash: bytes, reposted_claim_hash: bytes):
|
|
return cls.pack_key(claim_hash), cls.pack_value(reposted_claim_hash)
|
|
|
|
|
|
class RepostedPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.reposted_claim.value
|
|
key_struct = struct.Struct(b'>20sLH')
|
|
value_struct = struct.Struct(b'>20s')
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>20s').pack,
|
|
struct.Struct(b'>20sL').pack,
|
|
struct.Struct(b'>20sLH').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, reposted_claim_hash: bytes, tx_num: int, position: int):
|
|
return super().pack_key(reposted_claim_hash, tx_num, position)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> RepostedKey:
|
|
return RepostedKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, claim_hash: bytes) -> bytes:
|
|
return super().pack_value(claim_hash)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> RepostedValue:
|
|
return RepostedValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, reposted_claim_hash: bytes, tx_num: int, position: int, claim_hash: bytes):
|
|
return cls.pack_key(reposted_claim_hash, tx_num, position), cls.pack_value(claim_hash)
|
|
|
|
|
|
class UndoPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.undo.value
|
|
key_struct = struct.Struct(b'>Q')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>Q').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, height: int):
|
|
return super().pack_key(height)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> int:
|
|
assert key[:1] == cls.prefix
|
|
height, = cls.key_struct.unpack(key[1:])
|
|
return height
|
|
|
|
@classmethod
|
|
def pack_value(cls, undo_ops: bytes) -> bytes:
|
|
return undo_ops
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> bytes:
|
|
return data
|
|
|
|
@classmethod
|
|
def pack_item(cls, height: int, undo_ops: bytes):
|
|
return cls.pack_key(height), cls.pack_value(undo_ops)
|
|
|
|
|
|
class BlockHashPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.block_hash.value
|
|
key_struct = struct.Struct(b'>L')
|
|
value_struct = struct.Struct(b'>32s')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>L').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, height: int) -> bytes:
|
|
return super().pack_key(height)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> BlockHashKey:
|
|
return BlockHashKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, block_hash: bytes) -> bytes:
|
|
return super().pack_value(block_hash)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> BlockHashValue:
|
|
return BlockHashValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, height: int, block_hash: bytes):
|
|
return cls.pack_key(height), cls.pack_value(block_hash)
|
|
|
|
|
|
class BlockHeaderPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.header.value
|
|
key_struct = struct.Struct(b'>L')
|
|
value_struct = struct.Struct(b'>112s')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>L').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, height: int) -> bytes:
|
|
return super().pack_key(height)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> BlockHeaderKey:
|
|
return BlockHeaderKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, header: bytes) -> bytes:
|
|
return super().pack_value(header)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> BlockHeaderValue:
|
|
return BlockHeaderValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, height: int, header: bytes):
|
|
return cls.pack_key(height), cls.pack_value(header)
|
|
|
|
|
|
class TXNumPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.tx_num.value
|
|
key_struct = struct.Struct(b'>32s')
|
|
value_struct = struct.Struct(b'>L')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>32s').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, tx_hash: bytes) -> bytes:
|
|
return super().pack_key(tx_hash)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, tx_hash: bytes) -> TxNumKey:
|
|
return TxNumKey(*super().unpack_key(tx_hash))
|
|
|
|
@classmethod
|
|
def pack_value(cls, tx_num: int) -> bytes:
|
|
return super().pack_value(tx_num)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> TxNumValue:
|
|
return TxNumValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, tx_hash: bytes, tx_num: int):
|
|
return cls.pack_key(tx_hash), cls.pack_value(tx_num)
|
|
|
|
|
|
class TxCountPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.tx_count.value
|
|
key_struct = struct.Struct(b'>L')
|
|
value_struct = struct.Struct(b'>L')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>L').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, height: int) -> bytes:
|
|
return super().pack_key(height)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> TxCountKey:
|
|
return TxCountKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, tx_count: int) -> bytes:
|
|
return super().pack_value(tx_count)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> TxCountValue:
|
|
return TxCountValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, height: int, tx_count: int):
|
|
return cls.pack_key(height), cls.pack_value(tx_count)
|
|
|
|
|
|
class TXHashPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.tx_hash.value
|
|
key_struct = struct.Struct(b'>L')
|
|
value_struct = struct.Struct(b'>32s')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>L').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, tx_num: int) -> bytes:
|
|
return super().pack_key(tx_num)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> TxHashKey:
|
|
return TxHashKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, tx_hash: bytes) -> bytes:
|
|
return super().pack_value(tx_hash)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> TxHashValue:
|
|
return TxHashValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, tx_num: int, tx_hash: bytes):
|
|
return cls.pack_key(tx_num), cls.pack_value(tx_hash)
|
|
|
|
|
|
class TXPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.tx.value
|
|
key_struct = struct.Struct(b'>32s')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>32s').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, tx_hash: bytes) -> bytes:
|
|
return super().pack_key(tx_hash)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, tx_hash: bytes) -> TxKey:
|
|
return TxKey(*super().unpack_key(tx_hash))
|
|
|
|
@classmethod
|
|
def pack_value(cls, tx: bytes) -> bytes:
|
|
return tx
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> TxValue:
|
|
return TxValue(data)
|
|
|
|
@classmethod
|
|
def pack_item(cls, tx_hash: bytes, raw_tx: bytes):
|
|
return cls.pack_key(tx_hash), cls.pack_value(raw_tx)
|
|
|
|
|
|
class UTXOPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.utxo.value
|
|
key_struct = struct.Struct(b'>11sLH')
|
|
value_struct = struct.Struct(b'>Q')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>11s').pack,
|
|
struct.Struct(b'>11sL').pack,
|
|
struct.Struct(b'>11sLH').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, hashX: bytes, tx_num, nout: int):
|
|
return super().pack_key(hashX, tx_num, nout)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> UTXOKey:
|
|
return UTXOKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, amount: int) -> bytes:
|
|
return super().pack_value(amount)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> UTXOValue:
|
|
return UTXOValue(*cls.value_struct.unpack(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, hashX: bytes, tx_num: int, nout: int, amount: int):
|
|
return cls.pack_key(hashX, tx_num, nout), cls.pack_value(amount)
|
|
|
|
|
|
class HashXUTXOPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.hashx_utxo.value
|
|
key_struct = struct.Struct(b'>4sLH')
|
|
value_struct = struct.Struct(b'>11s')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>4s').pack,
|
|
struct.Struct(b'>4sL').pack,
|
|
struct.Struct(b'>4sLH').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, short_tx_hash: bytes, tx_num, nout: int):
|
|
return super().pack_key(short_tx_hash, tx_num, nout)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> HashXUTXOKey:
|
|
return HashXUTXOKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, hashX: bytes) -> bytes:
|
|
return super().pack_value(hashX)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> HashXUTXOValue:
|
|
return HashXUTXOValue(*cls.value_struct.unpack(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, short_tx_hash: bytes, tx_num: int, nout: int, hashX: bytes):
|
|
return cls.pack_key(short_tx_hash, tx_num, nout), cls.pack_value(hashX)
|
|
|
|
|
|
class HashXHistoryPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.hashx_history.value
|
|
key_struct = struct.Struct(b'>11sL')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>11s').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, hashX: bytes, height: int):
|
|
return super().pack_key(hashX, height)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> HashXHistoryKey:
|
|
return HashXHistoryKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, history: typing.List[int]) -> bytes:
|
|
a = array.array('I')
|
|
a.fromlist(history)
|
|
return a.tobytes()
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> array.array:
|
|
a = array.array('I')
|
|
a.frombytes(data)
|
|
return a
|
|
|
|
@classmethod
|
|
def pack_item(cls, hashX: bytes, height: int, history: typing.List[int]):
|
|
return cls.pack_key(hashX, height), cls.pack_value(history)
|
|
|
|
|
|
class TouchedOrDeletedPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.claim_diff.value
|
|
key_struct = struct.Struct(b'>L')
|
|
value_struct = struct.Struct(b'>LL')
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>L').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, height: int):
|
|
return super().pack_key(height)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> TouchedOrDeletedClaimKey:
|
|
return TouchedOrDeletedClaimKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, touched: typing.Set[bytes], deleted: typing.Set[bytes]) -> bytes:
|
|
assert True if not touched else all(len(item) == 20 for item in touched)
|
|
assert True if not deleted else all(len(item) == 20 for item in deleted)
|
|
return cls.value_struct.pack(len(touched), len(deleted)) + b''.join(sorted(touched)) + b''.join(sorted(deleted))
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> TouchedOrDeletedClaimValue:
|
|
touched_len, deleted_len = cls.value_struct.unpack(data[:8])
|
|
data = data[8:]
|
|
assert len(data) == 20 * (touched_len + deleted_len)
|
|
touched_bytes, deleted_bytes = data[:touched_len*20], data[touched_len*20:]
|
|
return TouchedOrDeletedClaimValue(
|
|
{touched_bytes[20*i:20*(i+1)] for i in range(touched_len)},
|
|
{deleted_bytes[20*i:20*(i+1)] for i in range(deleted_len)}
|
|
)
|
|
|
|
@classmethod
|
|
def pack_item(cls, height, touched, deleted):
|
|
return cls.pack_key(height), cls.pack_value(touched, deleted)
|
|
|
|
|
|
class ChannelCountPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.channel_count.value
|
|
key_struct = struct.Struct(b'>20s')
|
|
value_struct = struct.Struct(b'>L')
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>20s').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, channel_hash: int):
|
|
return super().pack_key(channel_hash)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> ChannelCountKey:
|
|
return ChannelCountKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, count: int) -> bytes:
|
|
return super().pack_value(count)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> ChannelCountValue:
|
|
return ChannelCountValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, channel_hash, count):
|
|
return cls.pack_key(channel_hash), cls.pack_value(count)
|
|
|
|
|
|
class SupportAmountPrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.support_amount.value
|
|
key_struct = struct.Struct(b'>20s')
|
|
value_struct = struct.Struct(b'>Q')
|
|
key_part_lambdas = [
|
|
lambda: b'',
|
|
struct.Struct(b'>20s').pack
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls, claim_hash: bytes):
|
|
return super().pack_key(claim_hash)
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes) -> SupportAmountKey:
|
|
return SupportAmountKey(*super().unpack_key(key))
|
|
|
|
@classmethod
|
|
def pack_value(cls, amount: int) -> bytes:
|
|
return super().pack_value(amount)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> SupportAmountValue:
|
|
return SupportAmountValue(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, claim_hash, amount):
|
|
return cls.pack_key(claim_hash), cls.pack_value(amount)
|
|
|
|
|
|
class DBStatePrefixRow(PrefixRow):
|
|
prefix = DB_PREFIXES.db_state.value
|
|
value_struct = struct.Struct(b'>32sLL32sLLBBlll')
|
|
key_struct = struct.Struct(b'')
|
|
|
|
key_part_lambdas = [
|
|
lambda: b''
|
|
]
|
|
|
|
@classmethod
|
|
def pack_key(cls) -> bytes:
|
|
return cls.prefix
|
|
|
|
@classmethod
|
|
def unpack_key(cls, key: bytes):
|
|
return
|
|
|
|
@classmethod
|
|
def pack_value(cls, genesis: bytes, height: int, tx_count: int, tip: bytes, utxo_flush_count: int, wall_time: int,
|
|
first_sync: bool, db_version: int, hist_flush_count: int, comp_flush_count: int,
|
|
comp_cursor: int) -> bytes:
|
|
return super().pack_value(
|
|
genesis, height, tx_count, tip, utxo_flush_count,
|
|
wall_time, 1 if first_sync else 0, db_version, hist_flush_count,
|
|
comp_flush_count, comp_cursor
|
|
)
|
|
|
|
@classmethod
|
|
def unpack_value(cls, data: bytes) -> DBState:
|
|
return DBState(*super().unpack_value(data))
|
|
|
|
@classmethod
|
|
def pack_item(cls, genesis: bytes, height: int, tx_count: int, tip: bytes, utxo_flush_count: int, wall_time: int,
|
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first_sync: bool, db_version: int, hist_flush_count: int, comp_flush_count: int,
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comp_cursor: int):
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return cls.pack_key(), cls.pack_value(
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genesis, height, tx_count, tip, utxo_flush_count, wall_time, first_sync, db_version, hist_flush_count,
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comp_flush_count, comp_cursor
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)
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|
|
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class LevelDBStore(KeyValueStorage):
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def __init__(self, path: str, cache_mb: int, max_open_files: int):
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import plyvel
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self.db = plyvel.DB(
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path, create_if_missing=True, max_open_files=max_open_files,
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lru_cache_size=cache_mb * 1024 * 1024, write_buffer_size=64 * 1024 * 1024,
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max_file_size=1024 * 1024 * 64, bloom_filter_bits=32
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|
)
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|
|
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def get(self, key: bytes, fill_cache: bool = True) -> Optional[bytes]:
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return self.db.get(key, fill_cache=fill_cache)
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|
|
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def iterator(self, reverse=False, start=None, stop=None, include_start=True, include_stop=False, prefix=None,
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include_key=True, include_value=True, fill_cache=True):
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|
return self.db.iterator(
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reverse=reverse, start=start, stop=stop, include_start=include_start, include_stop=include_stop,
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|
prefix=prefix, include_key=include_key, include_value=include_value, fill_cache=fill_cache
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|
)
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|
|
|
def write_batch(self, transaction: bool = False, sync: bool = False):
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|
return self.db.write_batch(transaction=transaction, sync=sync)
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|
|
|
def close(self):
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|
return self.db.close()
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|
|
|
@property
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|
def closed(self) -> bool:
|
|
return self.db.closed
|
|
|
|
|
|
class HubDB(PrefixDB):
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|
def __init__(self, path: str, cache_mb: int, max_open_files: int = 512,
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|
unsafe_prefixes: Optional[typing.Set[bytes]] = None):
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|
db = LevelDBStore(path, cache_mb, max_open_files)
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|
super().__init__(db, unsafe_prefixes=unsafe_prefixes)
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|
self.claim_to_support = ClaimToSupportPrefixRow(db, self._op_stack)
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|
self.support_to_claim = SupportToClaimPrefixRow(db, self._op_stack)
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|
self.claim_to_txo = ClaimToTXOPrefixRow(db, self._op_stack)
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|
self.txo_to_claim = TXOToClaimPrefixRow(db, self._op_stack)
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|
self.claim_to_channel = ClaimToChannelPrefixRow(db, self._op_stack)
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|
self.channel_to_claim = ChannelToClaimPrefixRow(db, self._op_stack)
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|
self.claim_short_id = ClaimShortIDPrefixRow(db, self._op_stack)
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|
self.claim_expiration = ClaimExpirationPrefixRow(db, self._op_stack)
|
|
self.claim_takeover = ClaimTakeoverPrefixRow(db, self._op_stack)
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|
self.pending_activation = PendingActivationPrefixRow(db, self._op_stack)
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|
self.activated = ActivatedPrefixRow(db, self._op_stack)
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|
self.active_amount = ActiveAmountPrefixRow(db, self._op_stack)
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|
self.effective_amount = EffectiveAmountPrefixRow(db, self._op_stack)
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|
self.repost = RepostPrefixRow(db, self._op_stack)
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|
self.reposted_claim = RepostedPrefixRow(db, self._op_stack)
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|
self.undo = UndoPrefixRow(db, self._op_stack)
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|
self.utxo = UTXOPrefixRow(db, self._op_stack)
|
|
self.hashX_utxo = HashXUTXOPrefixRow(db, self._op_stack)
|
|
self.hashX_history = HashXHistoryPrefixRow(db, self._op_stack)
|
|
self.block_hash = BlockHashPrefixRow(db, self._op_stack)
|
|
self.tx_count = TxCountPrefixRow(db, self._op_stack)
|
|
self.tx_hash = TXHashPrefixRow(db, self._op_stack)
|
|
self.tx_num = TXNumPrefixRow(db, self._op_stack)
|
|
self.tx = TXPrefixRow(db, self._op_stack)
|
|
self.header = BlockHeaderPrefixRow(db, self._op_stack)
|
|
self.touched_or_deleted = TouchedOrDeletedPrefixRow(db, self._op_stack)
|
|
self.channel_count = ChannelCountPrefixRow(db, self._op_stack)
|
|
self.db_state = DBStatePrefixRow(db, self._op_stack)
|
|
self.support_amount = SupportAmountPrefixRow(db, self._op_stack)
|
|
|
|
|
|
def auto_decode_item(key: bytes, value: bytes) -> Union[Tuple[NamedTuple, NamedTuple], Tuple[bytes, bytes]]:
|
|
try:
|
|
return ROW_TYPES[key[:1]].unpack_item(key, value)
|
|
except KeyError:
|
|
return key, value
|