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from __future__ import annotations
from typing import TypeVar, TYPE_CHECKING
import json
import binascii
from datetime import datetime
from DAP.Core import logIt
from CellFrame.Common import Datum, DatumTx, DatumToken, DatumDecree, DatumAnchor, DatumEmission
if TYPE_CHECKING:
from .net import CFNet
from .consensus import CFBlock, CFEvent
from .items import CFItem
from .crypto import CFSign
from .types import ticker, TSD
class CFDatum:
__slots__ = ["_origin_datum", "hash", "type", "created_at", "atom", "size", "version"]
def __init__(self, atom: CFBlock | CFEvent, datum: Datum):
self._origin_datum = datum
self.size = datum.getSize()
self.version = datum.versionStr
try:
self.created_at = datum.tsCreated
except OSError:
self.created_at = datetime.fromtimestamp(0)
logIt.error(f"Datum [{datum.hash}] has invalid timestamp!")
self.type = datum.getTypeStr()
self.hash = str(datum.hash)
self.atom = atom
def get_sub_datum(
self) -> CFDatumTX | CFDatumToken | CFDatumEmission | CFDatumAnchor | CFDatumDecree | CFDatumCustom:
from .mappings import CFSubDatumBuilder
sub_datum = CFSubDatumBuilder(self.type).build(self)
return sub_datum
class SubDatum:
def __init__(self, parent_datum: CFDatum, sub_datum):
self._parent_datum = parent_datum
self._origin_sub_datum = sub_datum
self.type = "DEFAULT"
if sub_datum is None:
self.hash = parent_datum.hash
self.type = "CORRUPTED"
logIt.error(f"Datum type:{parent_datum.type} hash:{parent_datum.hash} is CORRUPTED")
@property
def net(self) -> 'CFNet':
return self._parent_datum.atom.chain.net
T = TypeVar('T', bound=CFItem)
class CFDatumTX(SubDatum):
def __init__(self, parent_datum: CFDatum, sub_datum: DatumTx):
super().__init__(parent_datum, sub_datum)
if self.type == "CORRUPTED":
return
self.hash = str(sub_datum.hash)
self.created_at = sub_datum.dateCreated
ledger = self.net.get_ledger()
self.ticker = ledger.get_tx_ticker(self)
self.accepted = bool(ticker)
def get_items(self, filter_type: type[T] | None = None) -> list[T]:
from .mappings import CFItemMapper
all_items = [CFItemMapper.build(item, self.net) for item in self._origin_sub_datum.getItems()
if item is not None]
if filter_type:
return [item for item in all_items if isinstance(item, filter_type)]
else:
return all_items
class CFDatumToken(SubDatum):
def __init__(self, parent_datum: CFDatum, sub_datum: DatumToken):
super().__init__(parent_datum, sub_datum)
if self.type == "CORRUPTED":
return
self.ticker = sub_datum.ticker
self.type = sub_datum.typeStr
self.data = sub_datum.data
try:
self.signs = [CFSign(sign, self.net) for sign in sub_datum.signs]
except AttributeError as e:
self.signs = []
class CFDatumEmission(SubDatum):
def __init__(self, parent_datum: CFDatum, sub_datum: DatumEmission):
super().__init__(parent_datum, sub_datum)
if self.type == "CORRUPTED":
return
self.hash = str(sub_datum.hash)
self.version = sub_datum.version
self.type = sub_datum.typeStr
self.ticker = sub_datum.ticker
self.address = str(sub_datum.addr)
# TODO: Math --> CFMath
self.value = sub_datum.value.coins
if self.type == "TOKEN_EMISSION_TYPE_AUTH":
self.data = [CFSign(sign, self.net) for sign in sub_datum.signs]
else:
self.data = sub_datum.data
self.signs = [CFSign(sign, self.net) for sign in sub_datum.signs]
self.tsd = {}
for tsd_type in TSD:
tsd = self._origin_sub_datum.getTSD(tsd_type.value)
if tsd is None:
continue
try:
tsd_data = tsd.decode('utf-8')
except UnicodeDecodeError:
tsd_data = binascii.hexlify(tsd).decode('utf-8')
except:
logIt.error(f"Incorrect TSD data. Skip TSD with type={tsd_type}")
continue
if tsd_type == TSD.TYPE_DATA:
try:
tsd_data = json.loads(tsd_data)
except:
pass
self.tsd[tsd_type.name] = tsd_data
class CFDatumDecree(SubDatum):
def __init__(self, parent_datum: CFDatum, sub_datum: DatumDecree):
super().__init__(parent_datum, sub_datum)
if self.type == "CORRUPTED":
return
self.hash = str(sub_datum.hash)
self.created_at = sub_datum.tsCreated
self.type = sub_datum.typeStr
self.subtype = sub_datum.subtypeStr
self.signs = [CFSign(sign, self.net) for sign in sub_datum.signs]
class CFDatumAnchor(SubDatum):
def __init__(self, parent_datum: CFDatum, sub_datum: DatumAnchor):
super().__init__(parent_datum, sub_datum)
if self.type == "CORRUPTED":
return
self.hash = str(sub_datum.hash)
self.created_at = sub_datum.created
self.signs = [CFSign(sign, self.net) for sign in sub_datum.signs]
class CFDatumCustom(SubDatum):
"""
get data from dataRaw()
"""
def __init__(self, parent_datum: CFDatum, sub_datum: bytes):
super().__init__(parent_datum, sub_datum)
if self.type == "CORRUPTED":
return
self._origin_sub_datum = None
self.data = sub_datum.hex()