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from typing import Iterator, Callable
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import traceback

from DAP.Core import logIt
from DAP.Crypto import HashFast
from CellFrame.Network import Net
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from CellFrame.Chain import ChainAtomPtr, Ledger, ChainAddr, Mempool
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from .consensus import CFEvent, CFBlock
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from .datums import CFDatum, CFDatumTX, CFDatumEmission
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from .types import CFNetState, ticker
from ..common.types import ChainTypes
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from dataclasses import dataclass


class NetFee:
    def __init__(self, net: 'CFNet'):
        self.net = net
        self.tx_fee = str(self.net._origin_net.txFee)
        self.tx_fee_addr = str(self.net._origin_net.txFeeAddr)
        self.validator_avg_fee = str(self.net._origin_net.validatorAverageFee)
        self.validator_max_fee = str(self.net._origin_net.validatorMaxFee)
        self.validator_min_fee = str(self.net._origin_net.validatorMinFee)
        self.native_ticker = self.net._origin_net.nativeTicker
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class CFNet:
    def __init__(self, name: str):
        self.name = name
        self._origin_net = Net.byName(name)
        if not self._origin_net:
            raise RuntimeError(f"No such net: {name}")
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        self.main = CFChain(self, 'main')
        self.zerochain = CFChain(self, 'zerochain')
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        self.fee_data = NetFee(self)
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    @staticmethod
    def active_nets() -> list['CFNet']:
        return [CFNet(n.getName()) for n in Net.getNets()]

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    @property
    def id(self) -> int:
        return self._origin_net.id.long()

    @property
    def chains(self) -> list['CFChain']:
        return [self.main, self.zerochain]

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    @property
    def group_alias(self) -> str:
        return self._origin_net.gdb_group_alias
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    def get_ledger(self):
        return CFLedger(self, self._origin_net.getLedger())

    def register_gdbsync_notification_callback(self, callback: Callable, *args, **kwargs):
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        def callback_wrapper(op_code, group, key, value, *other):
            callback(self, op_code, group, key, value, *args, net=self, **kwargs)

        self._origin_net.addNotify(callback_wrapper, ())

    def change_state(self, state: CFNetState):
        if state == CFNetState.NET_STATE_OFFLINE:
            self._origin_net.stop()
        elif state == CFNetState.NET_STATE_ONLINE:
            self._origin_net.start()
        else:
            raise NotImplemented("This state not implemented")


class CFChain:
    def __init__(self, net: CFNet, chain_name: str):
        self.net = net
        self._origin_chain = net._origin_net.getChainByName(chain_name)
        if not self._origin_chain:
            raise RuntimeError(f"chain with name={chain_name} not found in net with name={net.name}")
        self.type = self._origin_chain.getCSName()
        self.name = chain_name

    def get_atoms(self) -> Iterator[CFBlock | CFEvent]:
        iterator = self._origin_chain.createAtomIter(False)
        ptr = self._origin_chain.atomIterGetFirst(iterator)

        if not ptr:
            logIt.message("not ptr")
            return []

        atom, size = ptr
        while atom:
            if size <= 0:
                atom, size = self._origin_chain.atomIterGetNext(iterator)
                continue
            if self.type == ChainTypes.esbocs:
                yield CFBlock(atom=atom, chain=self)
            elif self.type == ChainTypes.dag_poa:
                yield CFEvent(atom=atom, chain=self)
            else:
                raise TypeError(f"Invalid Chain type={self.type}")

            atom, size = self._origin_chain.atomIterGetNext(iterator)

    def get_datums(self) -> Iterator[CFDatum]:
        for atom in self.get_atoms():
            for datum in atom.get_datums():
                yield datum

    def get_transactions(self) -> Iterator[CFDatumTX]:
        for datum in self.get_datums():
            if datum._origin_datum.isDatumTX():
                yield datum.get_sub_datum()

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    def get_mempool(self) -> 'CFMempool':
        return CFMempool(self)

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    def register_mempool_notification_callback(self, callback, *args, **kwargs):
        def callback_wrapper(op_code, group, key, value, *other):
            logIt.message(f"{other=}")
            try:
                callback(op_code, group, key, value, *args, chain=self, **kwargs)
            except Exception:
                logIt.error(f"Error = {traceback.format_exc()}")

        try:
            self._origin_chain.addMempoolNotify(callback_wrapper, ())
        except Exception:
            logIt.error(f"Error = {traceback.format_exc()}")

    def register_atom_notification_callback(self, callback, *args, **kwargs):
        def callback_wrapper(atom: ChainAtomPtr, size, *other):
            try:
                if self.type == ChainTypes.esbocs:
                    cf_atom = CFBlock(atom, self)
                elif self.type == ChainTypes.dag_poa:
                    cf_atom = CFEvent(atom, self)
                else:
                    raise TypeError(f"Invalid Chain type={self.type}")
                callback(cf_atom, size, *args, chain=self, **kwargs)
            except Exception:
                logIt.error(traceback.format_exc())

        self._origin_chain.addAtomNotify(callback_wrapper, ())


class CFLedger:
    def __init__(self, net: CFNet, ledger: Ledger = None):
        self.net = net
        self._origin_ledger = ledger or self.net.get_ledger()

    def get_tx_ticker(self, datum: CFDatumTX) -> ticker | None:
        return self._origin_ledger.txGetTokenTickerByHash(HashFast.fromString(str(datum.hash)))

    def calc_address_balances(self, address: str) -> dict[ticker, str] | dict:
        res = {}
        chain_addr = ChainAddr.fromStr(address)
        tickers = self._origin_ledger.addrGetTokenTickerAll(chain_addr)
        for ticker in tickers:
            balance = str(self._origin_ledger.calcBalance(chain_addr, ticker))
            res[ticker] = balance
        return res

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    def token_auth_signs_pkey_hashes(self, datum: CFDatum) -> list[str]:  # list[hashes]
        """
        Хэши публичных ключей для подписи эмиссии тикера. cellframe-node-cli ledger list coins -net raiden
        """
        pkey_hashes = self._origin_ledger.tokenAuthPkeysHashes(datum.get_sub_datum().ticker)
        return [str(pkey_hash) for pkey_hash in pkey_hashes]

    def token_auth_signs_valid(self, datum: CFDatum) -> int:
        """
        Количество валидных подписей
        """
        return self._origin_ledger.tokenAuthSignsValid(datum.get_sub_datum().ticker) or 0

    def token_auth_signs_total(self, datum: CFDatum) -> int:
        """
        Максимально возможное количество подписей
        """
        return self._origin_ledger.tokenAuthSignsTotal(datum.get_sub_datum().ticker) or 0

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    def register_ledger_tx_notification_callback(self, callback, *args, **kwargs):
        def callback_wrapper(ledger, tx, *other):
            callback(ledger, tx, *args, net=self.net, **kwargs)

        self._origin_ledger.txAddNotify(callback_wrapper, (args, kwargs))
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class CFMempool:
    def __init__(self, chain: CFChain):
        self.chain = chain

    def get_datums(self) -> list[CFDatum]:
        data = Mempool.list(self.chain.net._origin_net, self.chain._origin_chain)
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        # logIt.message(f"{data.keys()=}")
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        return [CFDatum(None, datum, net=self.chain.net) for datum in data.values()]

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    def valid_signs_table(self):
        pass

    def reason(self):
        pass