# -*- coding: utf-8 -*-

# PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN:
# https://github.com/ccxt_zagrava/ccxt_zagrava/blob/master/CONTRIBUTING.md#how-to-contribute-code

from ccxt_zagrava.base.exchange import Exchange
from ccxt_zagrava.abstract.wavesexchange import ImplicitAPI
import json
from ccxt_zagrava.base.types import Balances, Currency, Int, Market, Num, Order, OrderBook, OrderSide, OrderType, Str, Strings, Ticker, Tickers, Trade, Transaction
from typing import List
from typing import Any
from ccxt_zagrava.base.errors import ExchangeError
from ccxt_zagrava.base.errors import AuthenticationError
from ccxt_zagrava.base.errors import AccountSuspended
from ccxt_zagrava.base.errors import ArgumentsRequired
from ccxt_zagrava.base.errors import BadRequest
from ccxt_zagrava.base.errors import BadSymbol
from ccxt_zagrava.base.errors import InsufficientFunds
from ccxt_zagrava.base.errors import InvalidOrder
from ccxt_zagrava.base.errors import OrderNotFound
from ccxt_zagrava.base.errors import DuplicateOrderId
from ccxt_zagrava.base.errors import ExchangeNotAvailable
from ccxt_zagrava.base.decimal_to_precision import TICK_SIZE
from ccxt_zagrava.base.precise import Precise


class wavesexchange(Exchange, ImplicitAPI):

    def describe(self):
        return self.deep_extend(super(wavesexchange, self).describe(), {
            'id': 'wavesexchange',
            'name': 'Waves.Exchange',
            'countries': ['CH'],  # Switzerland
            'certified': False,
            'pro': False,
            'dex': True,
            'has': {
                'CORS': None,
                'spot': True,
                'margin': False,
                'swap': False,
                'future': False,
                'option': False,
                'addMargin': False,
                'cancelOrder': True,
                'closeAllPositions': False,
                'closePosition': False,
                'createMarketOrder': True,
                'createOrder': True,
                'createReduceOnlyOrder': False,
                'createStopLimitOrder': False,
                'createStopMarketOrder': False,
                'createStopOrder': False,
                'fetchBalance': True,
                'fetchBorrowRateHistories': False,
                'fetchBorrowRateHistory': False,
                'fetchClosedOrders': True,
                'fetchCrossBorrowRate': False,
                'fetchCrossBorrowRates': False,
                'fetchDepositAddress': True,
                'fetchDepositWithdrawFee': 'emulated',
                'fetchDepositWithdrawFees': True,
                'fetchFundingHistory': False,
                'fetchFundingRate': False,
                'fetchFundingRateHistory': False,
                'fetchFundingRates': False,
                'fetchIndexOHLCV': False,
                'fetchIsolatedBorrowRate': False,
                'fetchIsolatedBorrowRates': False,
                'fetchLeverage': False,
                'fetchLeverageTiers': False,
                'fetchMarginMode': False,
                'fetchMarkets': True,
                'fetchMarkOHLCV': False,
                'fetchMyTrades': True,
                'fetchOHLCV': True,
                'fetchOpenInterestHistory': False,
                'fetchOpenOrders': True,
                'fetchOrder': True,
                'fetchOrderBook': True,
                'fetchOrders': True,
                'fetchPosition': False,
                'fetchPositionHistory': False,
                'fetchPositionMode': False,
                'fetchPositions': False,
                'fetchPositionsForSymbol': False,
                'fetchPositionsHistory': False,
                'fetchPositionsRisk': False,
                'fetchPremiumIndexOHLCV': False,
                'fetchTicker': True,
                'fetchTickers': True,
                'fetchTrades': True,
                'fetchTransfer': False,
                'fetchTransfers': False,
                'reduceMargin': False,
                'sandbox': True,
                'setLeverage': False,
                'setMarginMode': False,
                'setPositionMode': False,
                'signIn': True,
                'transfer': False,
                'withdraw': True,
                'ws': False,
            },
            'timeframes': {
                '1m': '1m',
                '5m': '5m',
                '15m': '15m',
                '30m': '30m',
                '1h': '1h',
                '2h': '2h',
                '3h': '3h',
                '4h': '4h',
                '6h': '6h',
                '12h': '12h',
                '1d': '1d',
                '1w': '1w',
                '1M': '1M',
            },
            'urls': {
                'logo': 'https://user-images.githubusercontent.com/1294454/84547058-5fb27d80-ad0b-11ea-8711-78ac8b3c7f31.jpg',
                'test': {
                    'matcher': 'https://matcher-testnet.wx.network',
                    'node': 'https://nodes-testnet.wavesnodes.com',
                    'public': 'https://api-testnet.wavesplatform.com/v0',
                    'private': 'https://api-testnet.wx.network/v1',
                    'forward': 'https://testnet.wx.network/api/v1/forward/matcher',
                    'market': 'https://testnet.wx.network/api/v1/forward/marketdata/api/v1',
                },
                'api': {
                    'matcher': 'https://matcher.wx.network',
                    'node': 'https://nodes.wx.network',
                    'public': 'https://api.wavesplatform.com/v0',
                    'private': 'https://api.wx.network/v1',
                    'forward': 'https://wx.network/api/v1/forward/matcher',
                    'market': 'https://wx.network/api/v1/forward/marketdata/api/v1',
                },
                'doc': 'https://docs.wx.network',
                'www': 'https://wx.network',
            },
            'api': {
                'matcher': {
                    'get': [
                        'matcher',
                        'matcher/settings',
                        'matcher/settings/rates',
                        'matcher/balance/reserved/{publicKey}',
                        'matcher/debug/allSnashotOffsets',
                        'matcher/debug/currentOffset',
                        'matcher/debug/lastOffset',
                        'matcher/debug/oldestSnapshotOffset',
                        'matcher/debug/config',
                        'matcher/debug/address/{address}',
                        'matcher/debug/status',
                        'matcher/debug/address/{address}/check',
                        'matcher/orderbook',
                        'matcher/orderbook/{baseId}/{quoteId}',
                        'matcher/orderbook/{baseId}/{quoteId}/publicKey/{publicKey}',
                        'matcher/orderbook/{baseId}/{quoteId}/{orderId}',
                        'matcher/orderbook/{baseId}/{quoteId}/info',
                        'matcher/orderbook/{baseId}/{quoteId}/status',
                        'matcher/orderbook/{baseId}/{quoteId}/tradableBalance/{address}',
                        'matcher/orderbook/{publicKey}',
                        'matcher/orderbook/{publicKey}/{orderId}',
                        'matcher/orders/{address}',
                        'matcher/orders/{address}/{orderId}',
                        'matcher/transactions/{orderId}',
                        'api/v1/orderbook/{baseId}/{quoteId}',
                    ],
                    'post': [
                        'matcher/orderbook',
                        'matcher/orderbook/market',
                        'matcher/orderbook/cancel',
                        'matcher/orderbook/{baseId}/{quoteId}/cancel',
                        'matcher/orderbook/{baseId}/{quoteId}/calculateFee',
                        'matcher/orderbook/{baseId}/{quoteId}/delete',
                        'matcher/orderbook/{baseId}/{quoteId}/cancelAll',
                        'matcher/debug/saveSnapshots',
                        'matcher/orders/{address}/cancel',
                        'matcher/orders/cancel/{orderId}',
                        'matcher/orders/serialize',
                    ],
                    'delete': [
                        'matcher/orderbook/{baseId}/{quoteId}',
                        'matcher/settings/rates/{assetId}',
                    ],
                    'put': [
                        'matcher/settings/rates/{assetId}',
                    ],
                },
                'node': {
                    'get': [
                        'addresses',
                        'addresses/balance/{address}',
                        'addresses/balance/{address}/{confirmations}',
                        'addresses/balance/details/{address}',
                        'addresses/data/{address}',
                        'addresses/data/{address}/{key}',
                        'addresses/effectiveBalance/{address}',
                        'addresses/effectiveBalance/{address}/{confirmations}',
                        'addresses/publicKey/{publicKey}',
                        'addresses/scriptInfo/{address}',
                        'addresses/scriptInfo/{address}/meta',
                        'addresses/seed/{address}',
                        'addresses/seq/{from}/{to}',
                        'addresses/validate/{address}',
                        'alias/by-address/{address}',
                        'alias/by-alias/{alias}',
                        'assets/{assetId}/distribution/{height}/{limit}',
                        'assets/balance/{address}',
                        'assets/balance/{address}/{assetId}',
                        'assets/details/{assetId}',
                        'assets/nft/{address}/limit/{limit}',
                        'blockchain/rewards',
                        'blockchain/rewards/height',
                        'blocks/address/{address}/{from}/{to}/',
                        'blocks/at/{height}',
                        'blocks/delay/{signature}/{blockNum}',
                        'blocks/first',
                        'blocks/headers/last',
                        'blocks/headers/seq/{from}/{to}',
                        'blocks/height',
                        'blocks/height/{signature}',
                        'blocks/last',
                        'blocks/seq/{from}/{to}',
                        'blocks/signature/{signature}',
                        'consensus/algo',
                        'consensus/basetarget',
                        'consensus/basetarget/{blockId}',
                        'consensus/{generatingbalance}/address',
                        'consensus/generationsignature',
                        'consensus/generationsignature/{blockId}',
                        'debug/balances/history/{address}',
                        'debug/blocks/{howMany}',
                        'debug/configInfo',
                        'debug/historyInfo',
                        'debug/info',
                        'debug/minerInfo',
                        'debug/portfolios/{address}',
                        'debug/state',
                        'debug/stateChanges/address/{address}',
                        'debug/stateChanges/info/{id}',
                        'debug/stateWaves/{height}',
                        'leasing/active/{address}',
                        'node/state',
                        'node/version',
                        'peers/all',
                        'peers/blacklisted',
                        'peers/connected',
                        'peers/suspended',
                        'transactions/address/{address}/limit/{limit}',
                        'transactions/info/{id}',
                        'transactions/status',
                        'transactions/unconfirmed',
                        'transactions/unconfirmed/info/{id}',
                        'transactions/unconfirmed/size',
                        'utils/seed',
                        'utils/seed/{length}',
                        'utils/time',
                        'wallet/seed',
                    ],
                    'post': [
                        'addresses',
                        'addresses/data/{address}',
                        'addresses/sign/{address}',
                        'addresses/signText/{address}',
                        'addresses/verify/{address}',
                        'addresses/verifyText/{address}',
                        'debug/blacklist',
                        'debug/print',
                        'debug/rollback',
                        'debug/validate',
                        'node/stop',
                        'peers/clearblacklist',
                        'peers/connect',
                        'transactions/broadcast',
                        'transactions/calculateFee',
                        'tranasctions/sign',
                        'transactions/sign/{signerAddress}',
                        'tranasctions/status',
                        'utils/hash/fast',
                        'utils/hash/secure',
                        'utils/script/compileCode',
                        'utils/script/compileWithImports',
                        'utils/script/decompile',
                        'utils/script/estimate',
                        'utils/sign/{privateKey}',
                        'utils/transactionsSerialize',
                    ],
                    'delete': [
                        'addresses/{address}',
                        'debug/rollback-to/{signature}',
                    ],
                },
                'public': {
                    'get': [
                        'assets',
                        'pairs',
                        'candles/{baseId}/{quoteId}',
                        'transactions/exchange',
                    ],
                },
                'private': {
                    'get': [
                        'deposit/addresses/{currency}',
                        'deposit/addresses/{currency}/{platform}',
                        'platforms',
                        'deposit/currencies',
                        'withdraw/currencies',
                        'withdraw/addresses/{currency}/{address}',
                    ],
                    'post': [
                        'oauth2/token',
                    ],
                },
                'forward': {
                    'get': [
                        'matcher/orders/{address}',  # can't get the orders endpoint to work with the matcher api
                        'matcher/orders/{address}/{orderId}',
                    ],
                    'post': [
                        'matcher/orders/{wavesAddress}/cancel',
                    ],
                },
                'market': {
                    'get': [
                        'tickers',
                    ],
                },
            },
            'currencies': {
                'WX': self.safe_currency_structure({'id': 'EMAMLxDnv3xiz8RXg8Btj33jcEw3wLczL3JKYYmuubpc', 'numericId': None, 'code': 'WX', 'precision': self.parse_number('1e-8')}),
            },
            'precisionMode': TICK_SIZE,
            'options': {
                'allowedCandles': 1440,
                'accessToken': None,
                'createMarketBuyOrderRequiresPrice': True,
                'matcherPublicKey': None,
                'quotes': None,
                'createOrderDefaultExpiry': 2419200000,  # 60 * 60 * 24 * 28 * 1000
                'wavesAddress': None,
                'withdrawFeeUSDN': 7420,
                'withdrawFeeWAVES': 100000,
                'wavesPrecision': 1e-8,
                'messagePrefix': 'W',  # W for production, T for testnet
                'networks': {
                    'ERC20': 'ETH',
                    'BEP20': 'BSC',
                },
            },
            'commonCurrencies': {
                'EGG': 'Waves Ducks',
            },
            'requiresEddsa': True,
            'exceptions': {
                '3147270': InsufficientFunds,  # https://github.com/wavesplatform/matcher/wiki/List-of-all-errors
                '112': InsufficientFunds,
                '4': ExchangeError,
                '13': ExchangeNotAvailable,
                '14': ExchangeNotAvailable,
                '3145733': AccountSuspended,
                '3148040': DuplicateOrderId,
                '3148801': AuthenticationError,
                '9440512': AuthenticationError,
                '9440771': BadSymbol,
                '9441026': InvalidOrder,
                '9441282': InvalidOrder,
                '9441286': InvalidOrder,
                '9441295': InvalidOrder,
                '9441540': InvalidOrder,
                '9441542': InvalidOrder,
                '106954752': AuthenticationError,
                '106954769': AuthenticationError,
                '106957828': AuthenticationError,
                '106960131': AuthenticationError,
                '106981137': AuthenticationError,
                '9437184': BadRequest,  # {"error":9437184,"message":"The order is invalid: SpendAmount should be > 0","template":"The order is invalid: {{details}}","params":{"details":"SpendAmount should be > 0"},"status":"OrderRejected","success":false}
                '9437193': OrderNotFound,
                '1048577': BadRequest,
                '1051904': AuthenticationError,
            },
        })

    def set_sandbox_mode(self, enabled):
        self.options['messagePrefix'] = 'T' if enabled else 'W'
        self.options['sandboxMode'] = enabled
        super(wavesexchange, self).set_sandbox_mode(enabled)

    def get_fees_for_asset(self, symbol: str, side, amount, price, params={}):
        self.load_markets()
        market = self.market(symbol)
        amount = self.to_real_symbol_amount(symbol, amount)
        price = self.to_real_symbol_price(symbol, price)
        request = self.extend({
            'baseId': market['baseId'],
            'quoteId': market['quoteId'],
            'orderType': side,
            'amount': amount,
            'price': price,
        }, params)
        return self.matcherPostMatcherOrderbookBaseIdQuoteIdCalculateFee(request)

    def custom_calculate_fee(self, symbol: str, type, side, amount, price, takerOrMaker='taker', params={}):
        response = self.get_fees_for_asset(symbol, side, amount, price)
        # {
        #     "base":{
        #        "feeAssetId":"WAVES",
        #        "matcherFee":"1000000"
        #     },
        #     "discount":{
        #        "feeAssetId":"EMAMLxDnv3xiz8RXg8Btj33jcEw3wLczL3JKYYmuubpc",
        #        "matcherFee":"4077612"
        #     }
        #  }
        isDiscountFee = self.safe_bool(params, 'isDiscountFee', False)
        mode = None
        if isDiscountFee:
            mode = self.safe_value(response, 'discount')
        else:
            mode = self.safe_value(response, 'base')
        matcherFee = self.safe_string(mode, 'matcherFee')
        feeAssetId = self.safe_string(mode, 'feeAssetId')
        feeAsset = self.safe_currency_code(feeAssetId)
        adjustedMatcherFee = self.from_real_currency_amount(feeAsset, matcherFee)
        amountAsString = self.number_to_string(amount)
        priceAsString = self.number_to_string(price)
        feeCost = self.fee_to_precision(symbol, self.parse_number(adjustedMatcherFee))
        feeRate = Precise.string_div(adjustedMatcherFee, Precise.string_mul(amountAsString, priceAsString))
        return {
            'type': takerOrMaker,
            'currency': feeAsset,
            'rate': self.parse_number(feeRate),
            'cost': self.parse_number(feeCost),
        }

    def get_quotes(self):
        quotes = self.safe_value(self.options, 'quotes')
        if quotes:
            return quotes
        else:
            # currencies can have any name because you can create you own token
            # result someone can create a fake token called BTC
            # we use self mapping to determine the real tokens
            # https://docs.wx.network/en/waves-matcher/matcher-api#asset-pair
            response = self.matcherGetMatcherSettings()
            # {
            #   "orderVersions": [
            #     1,
            #     2,
            #     3
            #   ],
            #   "success": True,
            #   "matcherPublicKey": "9cpfKN9suPNvfeUNphzxXMjcnn974eme8ZhWUjaktzU5",
            #   "orderFee": {
            #     "dynamic": {
            #       "baseFee": 300000,
            #       "rates": {
            #         "34N9YcEETLWn93qYQ64EsP1x89tSruJU44RrEMSXXEPJ": 1.22639597,
            #         "62LyMjcr2DtiyF5yVXFhoQ2q414VPPJXjsNYp72SuDCH": 0.00989643,
            #         "HZk1mbfuJpmxU1Fs4AX5MWLVYtctsNcg6e2C6VKqK8zk": 0.0395674,
            #         "8LQW8f7P5d5PZM7GtZEBgaqRPGSzS3DfPuiXrURJ4AJS": 0.00018814,
            #         "4LHHvYGNKJUg5hj65aGD5vgScvCBmLpdRFtjokvCjSL8": 26.19721262,
            #         "474jTeYx2r2Va35794tCScAXWJG9hU2HcgxzMowaZUnu": 0.00752978,
            #         "DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p": 1.84575,
            #         "B3uGHFRpSUuGEDWjqB9LWWxafQj8VTvpMucEyoxzws5H": 0.02330273,
            #         "zMFqXuoyrn5w17PFurTqxB7GsS71fp9dfk6XFwxbPCy": 0.00721412,
            #         "5WvPKSJXzVE2orvbkJ8wsQmmQKqTv9sGBPksV4adViw3": 0.02659103,
            #         "WAVES": 1,
            #         "BrjUWjndUanm5VsJkbUip8VRYy6LWJePtxya3FNv4TQa": 0.03433583
            #       }
            #     }
            #   },
            #   "networkByte": 87,
            #   "matcherVersion": "2.1.3.5",
            #   "status": "SimpleResponse",
            #   "priceAssets": [
            #     "Ft8X1v1LTa1ABafufpaCWyVj8KkaxUWE6xBhW6sNFJck",
            #     "DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p",
            #     "34N9YcEETLWn93qYQ64EsP1x89tSruJU44RrEMSXXEPJ",
            #     "Gtb1WRznfchDnTh37ezoDTJ4wcoKaRsKqKjJjy7nm2zU",
            #     "2mX5DzVKWrAJw8iwdJnV2qtoeVG9h5nTDpTqC1wb1WEN",
            #     "8LQW8f7P5d5PZM7GtZEBgaqRPGSzS3DfPuiXrURJ4AJS",
            #     "WAVES",
            #     "474jTeYx2r2Va35794tCScAXWJG9hU2HcgxzMowaZUnu",
            #     "zMFqXuoyrn5w17PFurTqxB7GsS71fp9dfk6XFwxbPCy",
            #     "62LyMjcr2DtiyF5yVXFhoQ2q414VPPJXjsNYp72SuDCH",
            #     "HZk1mbfuJpmxU1Fs4AX5MWLVYtctsNcg6e2C6VKqK8zk",
            #     "B3uGHFRpSUuGEDWjqB9LWWxafQj8VTvpMucEyoxzws5H",
            #     "5WvPKSJXzVE2orvbkJ8wsQmmQKqTv9sGBPksV4adViw3",
            #     "BrjUWjndUanm5VsJkbUip8VRYy6LWJePtxya3FNv4TQa",
            #     "4LHHvYGNKJUg5hj65aGD5vgScvCBmLpdRFtjokvCjSL8"
            #   ]
            # }
            quotes = {}
            priceAssets = self.safe_value(response, 'priceAssets')
            for i in range(0, len(priceAssets)):
                quotes[priceAssets[i]] = True
            self.options['quotes'] = quotes
            return quotes

    def fetch_markets(self, params={}) -> List[Market]:
        """
        retrieves data on all markets for wavesexchange
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: an array of objects representing market data
        """
        response = self.marketGetTickers()
        #
        #   [
        #       {
        #           "symbol": "WAVES/BTC",
        #           "amountAssetID": "WAVES",
        #           "amountAssetName": "Waves",
        #           "amountAssetDecimals": 8,
        #           "amountAssetTotalSupply": "106908766.00000000",
        #           "amountAssetMaxSupply": "106908766.00000000",
        #           "amountAssetCirculatingSupply": "106908766.00000000",
        #           "priceAssetID": "8LQW8f7P5d5PZM7GtZEBgaqRPGSzS3DfPuiXrURJ4AJS",
        #           "priceAssetName": "WBTC",
        #           "priceAssetDecimals": 8,
        #           "priceAssetTotalSupply": "20999999.96007507",
        #           "priceAssetMaxSupply": "20999999.96007507",
        #           "priceAssetCirculatingSupply": "20999999.66019601",
        #           "24h_open": "0.00032688",
        #           "24h_high": "0.00033508",
        #           "24h_low": "0.00032443",
        #           "24h_close": "0.00032806",
        #           "24h_vwap": "0.00032988",
        #           "24h_volume": "42349.69440104",
        #           "24h_priceVolume": "13.97037207",
        #           "timestamp":1640232379124
        #       }
        #       ...
        #   ]
        #
        result = []
        for i in range(0, len(response)):
            entry = response[i]
            baseId = self.safe_string(entry, 'amountAssetID')
            quoteId = self.safe_string(entry, 'priceAssetID')
            id = baseId + '/' + quoteId
            marketId = self.safe_string(entry, 'symbol')
            base, quote = marketId.split('/')
            base = self.safe_currency_code(base)
            quote = self.safe_currency_code(quote)
            symbol = base + '/' + quote
            result.append({
                'id': id,
                'symbol': symbol,
                'base': base,
                'quote': quote,
                'settle': None,
                'baseId': baseId,
                'quoteId': quoteId,
                'settleId': None,
                'type': 'spot',
                'spot': True,
                'margin': False,
                'swap': False,
                'future': False,
                'option': False,
                'active': None,
                'contract': False,
                'linear': None,
                'inverse': None,
                'contractSize': None,
                'expiry': None,
                'expiryDatetime': None,
                'strike': None,
                'optionType': None,
                'precision': {
                    'amount': self.parse_number(self.parse_precision(self.safe_string(entry, 'amountAssetDecimals'))),
                    'price': self.parse_number(self.parse_precision(self.safe_string(entry, 'priceAssetDecimals'))),
                },
                'limits': {
                    'leverage': {
                        'min': None,
                        'max': None,
                    },
                    'amount': {
                        'min': None,
                        'max': None,
                    },
                    'price': {
                        'min': None,
                        'max': None,
                    },
                    'cost': {
                        'min': None,
                        'max': None,
                    },
                },
                'created': None,
                'info': entry,
            })
        return result

    def fetch_order_book(self, symbol: str, limit: Int = None, params={}) -> OrderBook:
        """
        fetches information on open orders with bid(buy) and ask(sell) prices, volumes and other data
        :param str symbol: unified symbol of the market to fetch the order book for
        :param int [limit]: the maximum amount of order book entries to return
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: A dictionary of `order book structures <https://docs.ccxt_zagrava.com/#/?id=order-book-structure>` indexed by market symbols
        """
        self.load_markets()
        market = self.market(symbol)
        request = self.extend({
            'baseId': market['baseId'],
            'quoteId': market['quoteId'],
        }, params)
        response = self.matcherGetMatcherOrderbookBaseIdQuoteId(request)
        timestamp = self.safe_integer(response, 'timestamp')
        bids = self.parse_order_book_side(self.safe_value(response, 'bids'), market, limit)
        asks = self.parse_order_book_side(self.safe_value(response, 'asks'), market, limit)
        return {
            'symbol': symbol,
            'bids': bids,
            'asks': asks,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'nonce': None,
        }

    def parse_order_book_side(self, bookSide, market=None, limit: Int = None):
        precision = market['precision']
        wavesPrecision = self.safe_string(self.options, 'wavesPrecision', '1e-8')
        amountPrecisionString = self.safe_string(precision, 'amount')
        pricePrecisionString = self.safe_string(precision, 'price')
        difference = Precise.string_div(amountPrecisionString, pricePrecisionString)
        pricePrecision = Precise.string_div(wavesPrecision, difference)
        result = []
        for i in range(0, len(bookSide)):
            entry = bookSide[i]
            entryPrice = self.safe_string(entry, 'price', '0')
            entryAmount = self.safe_string(entry, 'amount', '0')
            price = None
            amount = None
            if (pricePrecision is not None) and (entryPrice is not None):
                price = Precise.string_mul(entryPrice, pricePrecision)
            if (amountPrecisionString is not None) and (entryAmount is not None):
                amount = Precise.string_mul(entryAmount, amountPrecisionString)
            if (limit is not None) and (i > limit):
                break
            result.append([
                self.parse_number(price),
                self.parse_number(amount),
            ])
        return result

    def check_required_keys(self):
        if self.apiKey is None:
            raise AuthenticationError(self.id + ' requires apiKey credential')
        if self.secret is None:
            raise AuthenticationError(self.id + ' requires secret credential')
        apiKeyBytes = None
        secretKeyBytes = None
        try:
            apiKeyBytes = self.base58_to_binary(self.apiKey)
        except Exception as e:
            raise AuthenticationError(self.id + ' apiKey must be a base58 encoded public key')
        try:
            secretKeyBytes = self.base58_to_binary(self.secret)
        except Exception as e:
            raise AuthenticationError(self.id + ' secret must be a base58 encoded private key')
        hexApiKeyBytes = self.binary_to_base16(apiKeyBytes)
        hexSecretKeyBytes = self.binary_to_base16(secretKeyBytes)
        if len(hexApiKeyBytes) != 64:
            raise AuthenticationError(self.id + ' apiKey must be a base58 encoded public key')
        if len(hexSecretKeyBytes) != 64:
            raise AuthenticationError(self.id + ' secret must be a base58 encoded private key')

    def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
        query = self.omit(params, self.extract_params(path))
        isCancelOrder = path == 'matcher/orders/{wavesAddress}/cancel'
        path = self.implode_params(path, params)
        url = self.urls['api'][api] + '/' + path
        queryString = self.urlencode_with_array_repeat(query)
        if (api == 'private') or (api == 'forward'):
            headers = {
                'Accept': 'application/json',
            }
            accessToken = self.safe_string(self.options, 'accessToken')
            if accessToken:
                headers['Authorization'] = 'Bearer ' + accessToken
            if method == 'POST':
                headers['content-type'] = 'application/json'
            else:
                headers['content-type'] = 'application/x-www-form-urlencoded'
            if isCancelOrder:
                body = self.json([query['orderId']])
                queryString = ''
            if len(queryString) > 0:
                url += '?' + queryString
        elif api == 'matcher':
            if method == 'POST':
                headers = {
                    'Accept': 'application/json',
                    'Content-Type': 'application/json',
                }
                body = self.json(query)
            else:
                headers = query
        else:
            if method == 'POST':
                headers = {
                    'content-type': 'application/json',
                }
                body = self.json(query)
            else:
                headers = {
                    'content-type': 'application/x-www-form-urlencoded',
                }
                if len(queryString) > 0:
                    url += '?' + queryString
        return {'url': url, 'method': method, 'body': body, 'headers': headers}

    def sign_in(self, params={}):
        """
        sign in, must be called prior to using other authenticated methods
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns: response from exchange
        """
        if not self.safe_string(self.options, 'accessToken'):
            prefix = 'ffffff01'
            expiresDelta = 60 * 60 * 24 * 7
            seconds = self.sum(self.seconds(), expiresDelta)
            seconds = str(seconds)
            clientId = 'wx.network'
            # W for production, T for testnet
            defaultMessagePrefix = self.safe_string(self.options, 'messagePrefix', 'W')
            message = defaultMessagePrefix + ':' + clientId + ':' + seconds
            messageHex = self.binary_to_base16(self.encode(message))
            payload = prefix + messageHex
            hexKey = self.binary_to_base16(self.base58_to_binary(self.secret))
            signature = self.axolotl(payload, hexKey, 'ed25519')
            request: dict = {
                'grant_type': 'password',
                'scope': 'general',
                'username': self.apiKey,
                'password': seconds + ':' + signature,
                'client_id': clientId,
            }
            response = self.privatePostOauth2Token(request)
            # {access_token: "eyJhbGciOXJSUzI1NiIsInR5cCI6IkpXVCJ9.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.B-XwexBnUAzbWknVN68RKT0ZP5w6Qk1SKJ8usL3OIwDEzCUUX9PjW-5TQHmiCRcA4oft8lqXEiCwEoNfsblCo_jTpRo518a1vZkIbHQk0-13Dm1K5ewGxfxAwBk0g49odcbKdjl64TN1yM_PO1VtLVuiTeZP-XF-S42Uj-7fcO-r7AulyQLuTE0uo-Qdep8HDCk47rduZwtJOmhFbCCnSgnLYvKWy3CVTeldsR77qxUY-vy8q9McqeP7Id-_MWnsob8vWXpkeJxaEsw1Fke1dxApJaJam09VU8EB3ZJWpkT7V8PdafIrQGeexx3jhKKxo7rRb4hDV8kfpVoCgkvFan",
            #   "token_type": "bearer",
            #   "refresh_token": "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.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.gD1Qj0jfqayfZpBvNY0t3ccMyK5hdbT7dY-_5L6LxwV0Knan4ndEtvygxlTOczmJUKtnA4T1r5GBFgNMZTvtViKZIbqZNysEg2OY8UxwDaF4VPeGJLg_QXEnn8wBeBQdyMafh9UQdwD2ci7x-saM4tOAGmncAygfTDxy80201gwDhfAkAGerb9kL00oWzSJScldxu--pNLDBUEHZt52MSEel10HGrzvZkkvvSh67vcQo5TOGb5KG6nh65UdJCwr41AVz4fbQPP-N2Nkxqy0TE_bqVzZxExXgvcS8TS0Z82T3ijJa_ct7B9wblpylBnvmyj3VycUzufD6uy8MUGq32D",
            #   "expires_in": 604798,
            #   "scope": "general"}
            self.options['accessToken'] = self.safe_string(response, 'access_token')
            return self.options['accessToken']
        return None

    def parse_ticker(self, ticker: dict, market: Market = None) -> Ticker:
        #
        #       {
        #           "symbol": "WAVES/BTC",
        #           "amountAssetID": "WAVES",
        #           "amountAssetName": "Waves",
        #           "amountAssetDecimals": 8,
        #           "amountAssetTotalSupply": "106908766.00000000",
        #           "amountAssetMaxSupply": "106908766.00000000",
        #           "amountAssetCirculatingSupply": "106908766.00000000",
        #           "priceAssetID": "8LQW8f7P5d5PZM7GtZEBgaqRPGSzS3DfPuiXrURJ4AJS",
        #           "priceAssetName": "WBTC",
        #           "priceAssetDecimals": 8,
        #           "priceAssetTotalSupply": "20999999.96007507",
        #           "priceAssetMaxSupply": "20999999.96007507",
        #           "priceAssetCirculatingSupply": "20999999.66019601",
        #           "24h_open": "0.00032688",
        #           "24h_high": "0.00033508",
        #           "24h_low": "0.00032443",
        #           "24h_close": "0.00032806",
        #           "24h_vwap": "0.00032988",
        #           "24h_volume": "42349.69440104",
        #           "24h_priceVolume": "13.97037207",
        #           "timestamp":1640232379124
        #       }
        #
        #  fetch ticker
        #
        #       {
        #           "firstPrice": "21749",
        #           "lastPrice": "22000",
        #           "volume": "0.73747149",
        #           "quoteVolume": "16409.44564928645471",
        #           "high": "23589.999941",
        #           "low": "21010.000845",
        #           "weightedAveragePrice": "22250.955964",
        #           "txsCount": "148",
        #           "volumeWaves": "0.0000000000680511203072"
        #       }
        #
        timestamp = self.safe_integer(ticker, 'timestamp')
        marketId = self.safe_string(ticker, 'symbol')
        market = self.safe_market(marketId, market, '/')
        symbol = market['symbol']
        last = self.safe_string_2(ticker, '24h_close', 'lastPrice')
        low = self.safe_string_2(ticker, '24h_low', 'low')
        high = self.safe_string_2(ticker, '24h_high', 'high')
        vwap = self.safe_string_2(ticker, '24h_vwap', 'weightedAveragePrice')
        baseVolume = self.safe_string_2(ticker, '24h_volume', 'volume')
        quoteVolume = self.safe_string_2(ticker, '24h_priceVolume', 'quoteVolume')
        open = self.safe_string_2(ticker, '24h_open', 'firstPrice')
        return self.safe_ticker({
            'symbol': symbol,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'high': high,
            'low': low,
            'bid': None,
            'bidVolume': None,
            'ask': None,
            'askVolume': None,
            'vwap': vwap,
            'open': open,
            'close': last,
            'last': last,
            'previousClose': None,
            'change': None,
            'percentage': None,
            'average': None,
            'baseVolume': baseVolume,
            'quoteVolume': quoteVolume,
            'info': ticker,
        }, market)

    def fetch_ticker(self, symbol: str, params={}) -> Ticker:
        """
        fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
        :param str symbol: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `ticker structure <https://docs.ccxt_zagrava.com/#/?id=ticker-structure>`
        """
        self.load_markets()
        market = self.market(symbol)
        request: dict = {
            'pairs': market['id'],
        }
        response = self.publicGetPairs(self.extend(request, params))
        #
        #     {
        #         "__type":"list",
        #         "data":[
        #             {
        #                 "__type":"pair",
        #                 "data":{
        #                     "firstPrice":0.00012512,
        #                     "lastPrice":0.00012441,
        #                     "low":0.00012167,
        #                     "high":0.00012768,
        #                     "weightedAveragePrice":0.000124710697407246,
        #                     "volume":209554.26356614,
        #                     "quoteVolume":26.1336583539951,
        #                     "volumeWaves":209554.26356614,
        #                     "txsCount":6655
        #                 },
        #                 "amountAsset":"WAVES",
        #                 "priceAsset":"8LQW8f7P5d5PZM7GtZEBgaqRPGSzS3DfPuiXrURJ4AJS"
        #             }
        #         ]
        #     }
        #
        data = self.safe_value(response, 'data', [])
        ticker = self.safe_value(data, 0, {})
        dataTicker = self.safe_dict(ticker, 'data', {})
        return self.parse_ticker(dataTicker, market)

    def fetch_tickers(self, symbols: Strings = None, params={}) -> Tickers:
        """
        fetches price tickers for multiple markets, statistical information calculated over the past 24 hours for each market
        :param str[]|None symbols: unified symbols of the markets to fetch the ticker for, all market tickers are returned if not assigned
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a dictionary of `ticker structures <https://docs.ccxt_zagrava.com/#/?id=ticker-structure>`
        """
        self.load_markets()
        response = self.marketGetTickers(params)
        #
        #   [
        #       {
        #           "symbol": "WAVES/BTC",
        #           "amountAssetID": "WAVES",
        #           "amountAssetName": "Waves",
        #           "amountAssetDecimals": 8,
        #           "amountAssetTotalSupply": "106908766.00000000",
        #           "amountAssetMaxSupply": "106908766.00000000",
        #           "amountAssetCirculatingSupply": "106908766.00000000",
        #           "priceAssetID": "8LQW8f7P5d5PZM7GtZEBgaqRPGSzS3DfPuiXrURJ4AJS",
        #           "priceAssetName": "WBTC",
        #           "priceAssetDecimals": 8,
        #           "priceAssetTotalSupply": "20999999.96007507",
        #           "priceAssetMaxSupply": "20999999.96007507",
        #           "priceAssetCirculatingSupply": "20999999.66019601",
        #           "24h_open": "0.00032688",
        #           "24h_high": "0.00033508",
        #           "24h_low": "0.00032443",
        #           "24h_close": "0.00032806",
        #           "24h_vwap": "0.00032988",
        #           "24h_volume": "42349.69440104",
        #           "24h_priceVolume": "13.97037207",
        #           "timestamp":1640232379124
        #       }
        #       ...
        #   ]
        #
        return self.parse_tickers(response, symbols)

    def fetch_ohlcv(self, symbol: str, timeframe='1m', since: Int = None, limit: Int = None, params={}) -> List[list]:
        """
        fetches historical candlestick data containing the open, high, low, and close price, and the volume of a market
        :param str symbol: unified symbol of the market to fetch OHLCV data for
        :param str timeframe: the length of time each candle represents
        :param int [since]: timestamp in ms of the earliest candle to fetch
        :param int [limit]: the maximum amount of candles to fetch
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns int[][]: A list of candles ordered, open, high, low, close, volume
        """
        self.load_markets()
        market = self.market(symbol)
        request: dict = {
            'baseId': market['baseId'],
            'quoteId': market['quoteId'],
            'interval': self.safe_string(self.timeframes, timeframe, timeframe),
        }
        allowedCandles = self.safe_integer(self.options, 'allowedCandles', 1440)
        if limit is None:
            limit = allowedCandles
        limit = min(allowedCandles, limit)
        duration = self.parse_timeframe(timeframe) * 1000
        if since is None:
            durationRoundedTimestamp = self.parse_to_int(self.milliseconds() / duration) * duration
            delta = (limit - 1) * duration
            timeStart = durationRoundedTimestamp - delta
            request['timeStart'] = str(timeStart)
        else:
            request['timeStart'] = str(since)
            timeEnd = self.sum(since, duration * limit)
            request['timeEnd'] = str(timeEnd)
        response = self.publicGetCandlesBaseIdQuoteId(self.extend(request, params))
        #
        #     {
        #         "__type": "list",
        #         "data": [
        #             {
        #                 "__type": "candle",
        #                 "data": {
        #                     "time": "2020-06-09T14:47:00.000Z",
        #                     "open": 0.0250385,
        #                     "close": 0.0250385,
        #                     "high": 0.0250385,
        #                     "low": 0.0250385,
        #                     "volume": 0.01033012,
        #                     "quoteVolume": 0.00025865,
        #                     "weightedAveragePrice": 0.0250385,
        #                     "maxHeight": 2099399,
        #                     "txsCount": 5,
        #                     "timeClose": "2020-06-09T14:47:59.999Z"
        #                 }
        #             }
        #         ]
        #     }
        #
        data = self.safe_value(response, 'data', [])
        result = self.parse_ohlcvs(data, market, timeframe, since, limit)
        result = self.filter_future_candles(result)
        lastClose = None
        length = len(result)
        for i in range(0, len(result)):
            j = length - i - 1
            entry = result[j]
            open = entry[1]
            if open is None:
                entry[1] = lastClose
                entry[2] = lastClose
                entry[3] = lastClose
                entry[4] = lastClose
                result[j] = entry
            lastClose = entry[4]
        return result

    def filter_future_candles(self, ohlcvs):
        result = []
        timestamp = self.milliseconds()
        for i in range(0, len(ohlcvs)):
            if ohlcvs[i][0] > timestamp:
                # stop when getting data from the future
                break
            result.append(ohlcvs[i])
        return result

    def parse_ohlcv(self, ohlcv, market: Market = None) -> list:
        #
        #     {
        #         "__type": "candle",
        #         "data": {
        #             "time": "2020-06-05T20:46:00.000Z",
        #             "open": 240.573975,
        #             "close": 240.573975,
        #             "high": 240.573975,
        #             "low": 240.573975,
        #             "volume": 0.01278413,
        #             "quoteVolume": 3.075528,
        #             "weightedAveragePrice": 240.573975,
        #             "maxHeight": 2093895,
        #             "txsCount": 5,
        #             "timeClose": "2020-06-05T20:46:59.999Z"
        #         }
        #     }
        #
        data = self.safe_value(ohlcv, 'data', {})
        return [
            self.parse8601(self.safe_string(data, 'time')),
            self.safe_number(data, 'open'),
            self.safe_number(data, 'high'),
            self.safe_number(data, 'low'),
            self.safe_number(data, 'close'),
            self.safe_number(data, 'volume', 0),
        ]

    def fetch_deposit_address(self, code: str, params={}):
        """
        fetch the deposit address for a currency associated with self account
        :param str code: unified currency code
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: an `address structure <https://docs.ccxt_zagrava.com/#/?id=address-structure>`
        """
        self.sign_in()
        networks = self.safe_value(self.options, 'networks', {})
        rawNetwork = self.safe_string_upper(params, 'network')
        network = self.safe_string(networks, rawNetwork, rawNetwork)
        params = self.omit(params, ['network'])
        supportedCurrencies = self.privateGetPlatforms()
        #
        #     {
        #       "type": "list",
        #       "page_info": {
        #         "has_next_page": False,
        #         "last_cursor": null
        #       },
        #       "items": [
        #         {
        #           "type": "platform",
        #           "id": "ETH",
        #           "name": "Ethereum",
        #           "currencies": [
        #             "BAG",
        #             "BNT",
        #             "CRV",
        #             "EGG",
        #             "ETH",
        #             "EURN",
        #             "FL",
        #             "NSBT",
        #             "USDAP",
        #             "USDC",
        #             "USDFL",
        #             "USDN",
        #             "USDT",
        #             "WAVES"
        #           ]
        #         }
        #       ]
        #     }
        #
        currencies: dict = {}
        networksByCurrency: dict = {}
        items = self.safe_value(supportedCurrencies, 'items', [])
        for i in range(0, len(items)):
            entry = items[i]
            currencyId = self.safe_string(entry, 'id')
            innerCurrencies = self.safe_value(entry, 'currencies', [])
            for j in range(0, len(innerCurrencies)):
                currencyCode = self.safe_string(innerCurrencies, j)
                currencies[currencyCode] = True
                if not (currencyCode in networksByCurrency):
                    networksByCurrency[currencyCode] = {}
                networksByCurrency[currencyCode][currencyId] = True
        if not (code in currencies):
            codes = list(currencies.keys())
            raise ExchangeError(self.id + ' fetchDepositAddress() ' + code + ' not supported. Currency code must be one of ' + ', '.join(codes))
        response = None
        if network is None:
            request: dict = {
                'currency': code,
            }
            response = self.privateGetDepositAddressesCurrency(self.extend(request, params))
        else:
            supportedNetworks = networksByCurrency[code]
            if not (network in supportedNetworks):
                supportedNetworkKeys = list(supportedNetworks.keys())
                raise ExchangeError(self.id + ' ' + network + ' network ' + code + ' deposit address not supported. Network must be one of ' + ', '.join(supportedNetworkKeys))
            if network == 'WAVES':
                request: dict = {
                    'publicKey': self.apiKey,
                }
                responseInner = self.nodeGetAddressesPublicKeyPublicKey(self.extend(request, request))
                addressInner = self.safe_string(response, 'address')
                return {
                    'address': addressInner,
                    'code': code,  # kept here for backward-compatibility, but will be removed soon
                    'currency': code,
                    'network': network,
                    'tag': None,
                    'info': responseInner,
                }
            else:
                request: dict = {
                    'currency': code,
                    'platform': network,
                }
                response = self.privateGetDepositAddressesCurrencyPlatform(self.extend(request, params))
        #
        # {
        #   "type": "deposit_addresses",
        #   "currency": {
        #     "type": "deposit_currency",
        #     "id": "ERGO",
        #     "waves_asset_id": "5dJj4Hn9t2Ve3tRpNGirUHy4yBK6qdJRAJYV21yPPuGz",
        #     "platform_id": "BSC",
        #     "decimals": 9,
        #     "status": "active",
        #     "allowed_amount": {
        #       "min": 0.001,
        #       "max": 100000
        #     },
        #     "fees": {
        #       "flat": 0,
        #       "rate": 0
        #     }
        #   },
        #   "deposit_addresses": [
        #     "9fRAAQjF8Yqg7qicQCL884zjimsRnuwsSavsM1rUdDaoG8mThku"
        #   ]
        # }
        currency = self.safe_value(response, 'currency')
        networkId = self.safe_string(currency, 'platform_id')
        networkByIds = self.safe_value(self.options, 'networkByIds', {})
        unifiedNetwork = self.safe_string(networkByIds, networkId, networkId)
        addresses = self.safe_value(response, 'deposit_addresses')
        address = self.safe_string(addresses, 0)
        return {
            'address': address,
            'code': code,  # kept here for backward-compatibility, but will be removed soon
            'currency': code,
            'tag': None,
            'network': unifiedNetwork,
            'info': response,
        }

    def get_matcher_public_key(self):
        # self method returns a single string
        matcherPublicKey = self.safe_string(self.options, 'matcherPublicKey')
        if matcherPublicKey:
            return matcherPublicKey
        else:
            response = self.matcherGetMatcher()
            # remove trailing quotes from string response
            self.options['matcherPublicKey'] = response[1:len(response) - 1]
            return self.options['matcherPublicKey']

    def get_asset_bytes(self, currencyId):
        if currencyId == 'WAVES':
            return self.number_to_be(0, 1)
        else:
            return self.binary_concat(self.number_to_be(1, 1), self.base58_to_binary(currencyId))

    def get_asset_id(self, currencyId):
        if currencyId == 'WAVES':
            return ''
        return currencyId

    def to_real_currency_amount(self, code: str, amount: float, networkCode=None):
        currency = self.currency(code)
        stringValue = Precise.string_div(self.number_to_string(amount), self.safe_string(currency, 'precision'))
        return int(stringValue)

    def from_real_currency_amount(self, code: str, amountString: str):
        if not (code in self.currencies):
            return amountString
        currency = self.currency(code)
        precisionAmount = self.safe_string(currency, 'precision')
        return Precise.string_mul(amountString, precisionAmount)

    def to_real_symbol_price(self, symbol: str, price: float):
        market = self.market(symbol)
        stringValue = Precise.string_div(self.number_to_string(price), self.safe_string(market['precision'], 'price'))
        return int(stringValue)

    def from_real_symbol_price(self, symbol: str, priceString: str):
        market = self.markets[symbol]
        return Precise.string_mul(priceString, self.safe_string(market['precision'], 'price'))

    def to_real_symbol_amount(self, symbol: str, amount: float):
        market = self.market(symbol)
        stringValue = Precise.string_div(self.number_to_string(amount), self.safe_string(market['precision'], 'amount'))
        return int(stringValue)

    def from_real_symbol_amount(self, symbol: str, amountString: str):
        market = self.markets[symbol]
        return Precise.string_mul(amountString, market['precision']['amount'])

    def safe_get_dynamic(self, settings):
        orderFee = self.safe_value(settings, 'orderFee')
        if 'dynamic' in orderFee:
            return self.safe_value(orderFee, 'dynamic')
        else:
            return self.safe_value(orderFee['composite']['default'], 'dynamic')

    def safe_get_rates(self, dynamic):
        rates = self.safe_value(dynamic, 'rates')
        if rates is None:
            return {'WAVES': 1}
        return rates

    def create_order(self, symbol: str, type: OrderType, side: OrderSide, amount: float, price: Num = None, params={}):
        """
        create a trade order
        :param str symbol: unified symbol of the market to create an order in
        :param str type: 'market' or 'limit'
        :param str side: 'buy' or 'sell'
        :param float amount: how much of currency you want to trade in units of base currency
        :param float [price]: the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param float [params.stopPrice]: The price at which a stop order is triggered at
        :returns dict: an `order structure <https://docs.ccxt_zagrava.com/#/?id=order-structure>`
        """
        self.check_required_dependencies()
        self.check_required_keys()
        self.load_markets()
        market = self.market(symbol)
        matcherPublicKey = self.get_matcher_public_key()
        amountAsset = self.get_asset_id(market['baseId'])
        priceAsset = self.get_asset_id(market['quoteId'])
        isMarketOrder = (type == 'market')
        stopPrice = self.safe_float_2(params, 'triggerPrice', 'stopPrice')
        isStopOrder = (stopPrice is not None)
        if (isMarketOrder) and (price is None):
            raise InvalidOrder(self.id + ' createOrder() requires a price argument for ' + type + ' orders to determine the max price for buy and the min price for sell')
        timestamp = self.milliseconds()
        defaultExpiryDelta = self.safe_integer(self.options, 'createOrderDefaultExpiry', 2419200000)
        expiration = self.sum(timestamp, defaultExpiryDelta)
        matcherFees = self.get_fees_for_asset(symbol, side, amount, price)
        # {
        #     "base":{
        #        "feeAssetId":"WAVES",  # varies depending on the trading pair
        #        "matcherFee":"1000000"
        #     },
        #     "discount":{
        #        "feeAssetId":"EMAMLxDnv3xiz8RXg8Btj33jcEw3wLczL3JKYYmuubpc",
        #        "matcherFee":"4077612"
        #     }
        #  }
        base = self.safe_value_2(matcherFees, 'base', 'discount')
        baseFeeAssetId = self.safe_string(base, 'feeAssetId')
        baseFeeAsset = self.safe_currency_code(baseFeeAssetId)
        baseMatcherFee = self.safe_string(base, 'matcherFee')
        discount = self.safe_value(matcherFees, 'discount')
        discountFeeAssetId = self.safe_string(discount, 'feeAssetId')
        discountFeeAsset = self.safe_currency_code(discountFeeAssetId)
        discountMatcherFee = self.safe_string(discount, 'matcherFee')
        matcherFeeAssetId = None
        matcherFee = None
        # check first if user supplied asset fee is valid
        if ('feeAsset' in params) or ('feeAsset' in self.options):
            feeAsset = self.safe_string(params, 'feeAsset', self.safe_string(self.options, 'feeAsset'))
            feeCurrency = self.currency(feeAsset)
            matcherFeeAssetId = self.safe_string(feeCurrency, 'id')
        balances = self.fetch_balance()
        if matcherFeeAssetId is not None:
            if baseFeeAssetId != matcherFeeAssetId and discountFeeAssetId != matcherFeeAssetId:
                raise InvalidOrder(self.id + ' asset fee must be ' + baseFeeAsset + ' or ' + discountFeeAsset)
            matcherFeeAsset = self.safe_currency_code(matcherFeeAssetId)
            rawMatcherFee = baseMatcherFee if (matcherFeeAssetId == baseFeeAssetId) else discountMatcherFee
            floatMatcherFee = float(self.from_real_currency_amount(matcherFeeAsset, rawMatcherFee))
            if (matcherFeeAsset in balances) and (balances[matcherFeeAsset]['free'] >= floatMatcherFee):
                matcherFee = int(rawMatcherFee)
            else:
                raise InsufficientFunds(self.id + ' not enough funds of the selected asset fee')
        floatBaseMatcherFee = self.from_real_currency_amount(baseFeeAsset, baseMatcherFee)
        floatDiscountMatcherFee = self.from_real_currency_amount(discountFeeAsset, discountMatcherFee)
        if matcherFeeAssetId is None:
            # try to the pay the fee using the base first then discount asset
            if (baseFeeAsset in balances) and (balances[baseFeeAsset]['free'] >= float(floatBaseMatcherFee)):
                matcherFeeAssetId = baseFeeAssetId
                matcherFee = int(baseMatcherFee)
            else:
                if (discountFeeAsset in balances) and (balances[discountFeeAsset]['free'] >= float(floatDiscountMatcherFee)):
                    matcherFeeAssetId = discountFeeAssetId
                    matcherFee = int(discountMatcherFee)
        if matcherFeeAssetId is None:
            raise InsufficientFunds(self.id + ' not enough funds on none of the eligible asset fees: ' + baseFeeAsset + ' ' + floatBaseMatcherFee + ' or ' + discountFeeAsset + ' ' + floatDiscountMatcherFee)
        amount = self.to_real_symbol_amount(symbol, amount)
        price = self.to_real_symbol_price(symbol, price)
        assetPair: dict = {
            'amountAsset': amountAsset,
            'priceAsset': priceAsset,
        }
        sandboxMode = self.safe_bool(self.options, 'sandboxMode', False)
        chainId = 84 if (sandboxMode) else 87
        body: dict = {
            'senderPublicKey': self.apiKey,
            'matcherPublicKey': matcherPublicKey,
            'assetPair': assetPair,
            'orderType': side,
            'price': price,
            'amount': amount,
            'timestamp': timestamp,
            'expiration': expiration,
            'matcherFee': int(matcherFee),
            'priceMode': 'assetDecimals',
            'version': 4,
            'chainId': chainId,
        }
        if isStopOrder:
            #
            # {
            #     "v": 1,  # version(int)
            #     "c": { # condition(object)
            #         "t": "sp",  # condition type. for now only "stop-price"(string)
            #         "v": { # value(object)
            #             "p": "123",  # price(long)
            #         },
            #     },
            # }
            #
            attachment: dict = {
                'v': 1,
                'c': {
                    't': 'sp',
                    'v': {
                        'p': self.to_real_symbol_price(symbol, stopPrice),
                    },
                },
            }
            body['attachment'] = self.binary_to_base58(self.encode(json.dumps(attachment)))
        if matcherFeeAssetId != 'WAVES':
            body['matcherFeeAssetId'] = matcherFeeAssetId
        serializedOrder = self.matcherPostMatcherOrdersSerialize(body)
        if (serializedOrder[0] == '"') and (serializedOrder[(len(serializedOrder) - 1)] == '"'):
            serializedOrder = serializedOrder[1:len(serializedOrder) - 1]
        signature = self.axolotl(self.binary_to_base16(self.base58_to_binary(serializedOrder)), self.binary_to_base16(self.base58_to_binary(self.secret)), 'ed25519')
        body['signature'] = signature
        #
        #     {
        #         "success": True,
        #         "message": {
        #           "version": 4,
        #           "id": "8VR49dLZFaYcVwzx9TqVMTAZCSUoyB74kLUHrEPCSJgN",
        #           "sender": "3MpEdBXtsRHRj2TvZURSb8uLDxzneVbYczW",
        #           "senderPublicKey": "8aUTNqHGCBiubySBRhcS1N6NC5jLczhVcndRfMAuwtkY",
        #           "matcherPublicKey": "8QUAqtTckM5B8gvcuP7mMswat9SjKUuafJMusEoSn1Gy",
        #           "assetPair": {
        #             "amountAsset": "EMAMLxDnv3xiz8RXg8Btj33jcEw3wLczL3JKYYmuubpc",
        #             "priceAsset": "25FEqEjRkqK6yCkiT7Lz6SAYz7gUFCtxfCChnrVFD5AT"
        #           },
        #           "orderType": "sell",
        #           "amount": 100000,
        #           "price": 480000,
        #           "timestamp": 1690852043772,
        #           "expiration": 1693271243772,
        #           "matcherFee": 83327570,
        #           "signature": "3QYDWQVSP4kdqpTLodCuboh8bpWd6GW5s1pQyKdce1JBDwX6t4kH5Xtuq35pqo94gxjo3cfG6k6Xuic2JaYLubkK",
        #           "proofs": [
        #             "3QYDWQVSP4kdqpTLodCuboh8bpWd6GW5s1pQyKdce1JBDwX6t4kH5Xtuq35pqo94gxjo3cfG6k6Xuic2JaYLubkK"
        #           ],
        #           "matcherFeeAssetId": "EMAMLxDnv3xiz8RXg8Btj33jcEw3wLczL3JKYYmuubpc",
        #           "eip712Signature": null,
        #           "priceMode": "assetDecimals",
        #           "attachment": "2PQ4akZHnMSZrQissuu5uudoXbgsipeDnFcRtXtjVgkdm1gUWEgGzp"
        #         },
        #         "status": "OrderAccepted"
        #     }
        #
        if isMarketOrder:
            response = self.matcherPostMatcherOrderbookMarket(body)
            value = self.safe_dict(response, 'message')
            return self.parse_order(value, market)
        else:
            response = self.matcherPostMatcherOrderbook(body)
            value = self.safe_dict(response, 'message')
            return self.parse_order(value, market)

    def cancel_order(self, id: str, symbol: Str = None, params={}):
        """
        cancels an open order
        :param str id: order id
        :param str symbol: unified symbol of the market the order was made in
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: An `order structure <https://docs.ccxt_zagrava.com/#/?id=order-structure>`
        """
        self.check_required_dependencies()
        self.check_required_keys()
        self.sign_in()
        wavesAddress = self.get_waves_address()
        response = self.forwardPostMatcherOrdersWavesAddressCancel({
            'wavesAddress': wavesAddress,
            'orderId': id,
        })
        #  {
        #    "success":true,
        #    "message":[[{"orderId":"EBpJeGM36KKFz5gTJAUKDBm89V8wqxKipSFBdU35AN3c","success":true,"status":"OrderCanceled"}]],
        #    "status":"BatchCancelCompleted"
        #  }
        message = self.safe_value(response, 'message')
        firstMessage = self.safe_value(message, 0)
        firstOrder = self.safe_value(firstMessage, 0)
        returnedId = self.safe_string(firstOrder, 'orderId')
        return self.safe_order({
            'info': response,
            'id': returnedId,
            'clientOrderId': None,
            'timestamp': None,
            'datetime': None,
            'lastTradeTimestamp': None,
            'symbol': symbol,
            'type': None,
            'side': None,
            'price': None,
            'amount': None,
            'cost': None,
            'average': None,
            'filled': None,
            'remaining': None,
            'status': None,
            'fee': None,
            'trades': None,
        })

    def fetch_order(self, id: str, symbol: Str = None, params={}):
        """
        fetches information on an order made by the user
        :param str symbol: unified symbol of the market the order was made in
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: An `order structure <https://docs.ccxt_zagrava.com/#/?id=order-structure>`
        """
        self.check_required_dependencies()
        self.check_required_keys()
        self.load_markets()
        market = None
        if symbol is not None:
            market = self.market(symbol)
        timestamp = self.milliseconds()
        byteArray = [
            self.base58_to_binary(self.apiKey),
            self.number_to_be(timestamp, 8),
        ]
        binary = self.binary_concat_array(byteArray)
        hexSecret = self.binary_to_base16(self.base58_to_binary(self.secret))
        signature = self.axolotl(self.binary_to_base16(binary), hexSecret, 'ed25519')
        request: dict = {
            'Timestamp': str(timestamp),
            'Signature': signature,
            'publicKey': self.apiKey,
            'orderId': id,
        }
        response = self.matcherGetMatcherOrderbookPublicKeyOrderId(self.extend(request, params))
        return self.parse_order(response, market)

    def fetch_orders(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Order]:
        """
        fetches information on multiple orders made by the user
        :param str symbol: unified market symbol of the market orders were made in
        :param int [since]: the earliest time in ms to fetch orders for
        :param int [limit]: the maximum number of order structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns Order[]: a list of `order structures <https://docs.ccxt_zagrava.com/#/?id=order-structure>`
        """
        self.check_required_dependencies()
        self.check_required_keys()
        if symbol is None:
            raise ArgumentsRequired(self.id + ' fetchOrders() requires a symbol argument')
        self.load_markets()
        market = self.market(symbol)
        timestamp = self.milliseconds()
        byteArray = [
            self.base58_to_binary(self.apiKey),
            self.number_to_be(timestamp, 8),
        ]
        binary = self.binary_concat_array(byteArray)
        hexSecret = self.binary_to_base16(self.base58_to_binary(self.secret))
        signature = self.axolotl(self.binary_to_base16(binary), hexSecret, 'ed25519')
        request: dict = {
            'Accept': 'application/json',
            'Timestamp': str(timestamp),
            'Signature': signature,
            'publicKey': self.apiKey,
            'baseId': market['baseId'],
            'quoteId': market['quoteId'],
        }
        response = self.matcherGetMatcherOrderbookBaseIdQuoteIdPublicKeyPublicKey(self.extend(request, params))
        # [{id: "3KicDeWayY2mdrRoYdCkP3gUAoUZUNT1AA6GAtWuPLfa",
        #     "type": "sell",
        #     "orderType": "limit",
        #     "amount": 1,
        #     "fee": 300000,
        #     "price": 100000000,
        #     "timestamp": 1591651254076,
        #     "filled": 0,
        #     "filledFee": 0,
        #     "feeAsset": "WAVES",
        #     "status": "Accepted",
        #     "assetPair":
        #      {amountAsset: null,
        #        "priceAsset": "8LQW8f7P5d5PZM7GtZEBgaqRPGSzS3DfPuiXrURJ4AJS"},
        #     "avgWeighedPrice": 0}, ...]
        return self.parse_orders(response, market, since, limit)

    def fetch_open_orders(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Order]:
        """
        fetch all unfilled currently open orders
        :param str symbol: unified market symbol
        :param int [since]: the earliest time in ms to fetch open orders for
        :param int [limit]: the maximum number of  open orders structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns Order[]: a list of `order structures <https://docs.ccxt_zagrava.com/#/?id=order-structure>`
        """
        self.load_markets()
        self.sign_in()
        market = None
        if symbol is not None:
            market = self.market(symbol)
        address = self.get_waves_address()
        request: dict = {
            'address': address,
            'activeOnly': True,
        }
        response = self.forwardGetMatcherOrdersAddress(request)
        return self.parse_orders(response, market, since, limit)

    def fetch_closed_orders(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Order]:
        """
        fetches information on multiple closed orders made by the user
        :param str symbol: unified market symbol of the market orders were made in
        :param int [since]: the earliest time in ms to fetch orders for
        :param int [limit]: the maximum number of order structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns Order[]: a list of `order structures <https://docs.ccxt_zagrava.com/#/?id=order-structure>`
        """
        self.load_markets()
        self.sign_in()
        market = None
        if symbol is not None:
            market = self.market(symbol)
        address = self.get_waves_address()
        request: dict = {
            'address': address,
            'closedOnly': True,
        }
        response = self.forwardGetMatcherOrdersAddress(request)
        # [
        #   {
        #     "id": "9aXcxvXai73jbAm7tQNnqaQ2PwUjdmWuyjvRTKAHsw4f",
        #     "type": "buy",
        #     "orderType": "limit",
        #     "amount": 23738330,
        #     "fee": 300000,
        #     "price": 3828348334,
        #     "timestamp": 1591926905636,
        #     "filled": 23738330,
        #     "filledFee": 300000,
        #     "feeAsset": "WAVES",
        #     "status": "Filled",
        #     "assetPair": {
        #       "amountAsset": "HZk1mbfuJpmxU1Fs4AX5MWLVYtctsNcg6e2C6VKqK8zk",
        #       "priceAsset": null
        #     },
        #     "avgWeighedPrice": 3828348334
        #   }, ...
        # ]
        return self.parse_orders(response, market, since, limit)

    def parse_order_status(self, status: Str):
        statuses: dict = {
            'Cancelled': 'canceled',
            'Accepted': 'open',
            'Filled': 'closed',
            'PartiallyFilled': 'open',
        }
        return self.safe_string(statuses, status, status)

    def get_symbol_from_asset_pair(self, assetPair):
        # a blank string or null can indicate WAVES
        baseId = self.safe_string(assetPair, 'amountAsset', 'WAVES')
        quoteId = self.safe_string(assetPair, 'priceAsset', 'WAVES')
        return self.safe_currency_code(baseId) + '/' + self.safe_currency_code(quoteId)

    def parse_order(self, order: dict, market: Market = None) -> Order:
        #
        # createOrder
        #
        #     {
        #         "version": 4,
        #         "id": "BshyeHXDfJmTnjTdBYt371jD4yWaT3JTP6KpjpsiZepS",
        #         "sender": "3P8VzLSa23EW5CVckHbV7d5BoN75fF1hhFH",
        #         "senderPublicKey": "AHXn8nBA4SfLQF7hLQiSn16kxyehjizBGW1TdrmSZ1gF",
        #         "matcherPublicKey": "9cpfKN9suPNvfeUNphzxXMjcnn974eme8ZhWUjaktzU5",
        #         "assetPair": {
        #             "amountAsset": "474jTeYx2r2Va35794tCScAXWJG9hU2HcgxzMowaZUnu",
        #             "priceAsset": "DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p",
        #         },
        #         "orderType": "buy",
        #         "amount": 10000,
        #         "price": 400000000,
        #         "timestamp": 1599848586891,
        #         "expiration": 1602267786891,
        #         "matcherFee": 3008,
        #         "matcherFeeAssetId": "474jTeYx2r2Va35794tCScAXWJG9hU2HcgxzMowaZUnu",
        #         "signature": "3D2h8ubrhuWkXbVn4qJ3dvjmZQxLoRNfjTqb9uNpnLxUuwm4fGW2qGH6yKFe2SQPrcbgkS3bDVe7SNtMuatEJ7qy",
        #         "proofs": [
        #             "3D2h8ubrhuWkXbVn4qJ3dvjmZQxLoRNfjTqb9uNpnLxUuwm4fGW2qGH6yKFe2SQPrcbgkS3bDVe7SNtMuatEJ7qy",
        #         ],
        #         "attachment":"77rnoyFX5BDr15hqZiUtgXKSN46zsbHHQjVNrTMLZcLz62mmFKr39FJ"
        #     }
        #
        #
        # fetchOrder, fetchOrders, fetchOpenOrders, fetchClosedOrders
        #
        #     {
        #         "id": "81D9uKk2NfmZzfG7uaJsDtxqWFbJXZmjYvrL88h15fk8",
        #         "type": "buy",
        #         "orderType": "limit",
        #         "amount": 30000000000,
        #         "filled": 0,
        #         "price": 1000000,
        #         "fee": 300000,
        #         "filledFee": 0,
        #         "feeAsset": "WAVES",
        #         "timestamp": 1594303779322,
        #         "status": "Cancelled",
        #         "assetPair": {
        #             "amountAsset": "474jTeYx2r2Va35794tCScAXWJG9hU2HcgxzMowaZUnu",
        #             "priceAsset": "WAVES"
        #         },
        #         "avgWeighedPrice": 0,
        #         "version": 4,
        #         "totalExecutedPriceAssets": 0,  # in fetchOpenOrder/s
        #         "attachment":"77rnoyFX5BDr15hqZiUtgXKSN46zsbHHQjVNrTMLZcLz62mmFKr39FJ"
        #     }
        #
        timestamp = self.safe_integer(order, 'timestamp')
        side = self.safe_string_2(order, 'type', 'orderType')
        type = 'limit'
        if 'type' in order:
            # fetchOrders
            type = self.safe_string(order, 'orderType', type)
        id = self.safe_string(order, 'id')
        filledString = self.safe_string(order, 'filled')
        priceString = self.safe_string(order, 'price')
        amountString = self.safe_string(order, 'amount')
        assetPair = self.safe_value(order, 'assetPair')
        symbol = None
        if assetPair is not None:
            symbol = self.get_symbol_from_asset_pair(assetPair)
        elif market is not None:
            symbol = market['symbol']
        amountCurrency = self.safe_currency_code(self.safe_string(assetPair, 'amountAsset', 'WAVES'))
        price = self.from_real_symbol_price(symbol, priceString)
        amount = self.from_real_currency_amount(amountCurrency, amountString)
        filled = self.from_real_currency_amount(amountCurrency, filledString)
        average = self.from_real_symbol_price(symbol, self.safe_string(order, 'avgWeighedPrice'))
        status = self.parse_order_status(self.safe_string(order, 'status'))
        fee = None
        if 'type' in order:
            code = self.safe_currency_code(self.safe_string(order, 'feeAsset'))
            fee = {
                'currency': code,
                'fee': self.parse_number(self.from_real_currency_amount(code, self.safe_string(order, 'filledFee'))),
            }
        else:
            code = self.safe_currency_code(self.safe_string(order, 'matcherFeeAssetId', 'WAVES'))
            fee = {
                'currency': code,
                'fee': self.parse_number(self.from_real_currency_amount(code, self.safe_string(order, 'matcherFee'))),
            }
        triggerPrice = None
        attachment = self.safe_string(order, 'attachment')
        if attachment is not None:
            decodedAttachment = self.parse_json(self.decode(self.base58_to_binary(attachment)))
            if decodedAttachment is not None:
                c = self.safe_value(decodedAttachment, 'c')
                if c is not None:
                    v = self.safe_value(c, 'v')
                    if v is not None:
                        triggerPrice = self.safe_string(v, 'p')
        return self.safe_order({
            'info': order,
            'id': id,
            'clientOrderId': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'lastTradeTimestamp': None,
            'symbol': symbol,
            'type': type,
            'timeInForce': None,
            'postOnly': None,
            'side': side,
            'price': price,
            'stopPrice': triggerPrice,
            'triggerPrice': triggerPrice,
            'amount': amount,
            'cost': None,
            'average': average,
            'filled': filled,
            'remaining': None,
            'status': status,
            'fee': fee,
            'trades': None,
        }, market)

    def get_waves_address(self):
        cachedAddreess = self.safe_string(self.options, 'wavesAddress')
        if cachedAddreess is None:
            request: dict = {
                'publicKey': self.apiKey,
            }
            response = self.nodeGetAddressesPublicKeyPublicKey(request)
            self.options['wavesAddress'] = self.safe_string(response, 'address')
            return self.options['wavesAddress']
        else:
            return cachedAddreess

    def fetch_balance(self, params={}) -> Balances:
        """
        query for balance and get the amount of funds available for trading or funds locked in orders
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `balance structure <https://docs.ccxt_zagrava.com/#/?id=balance-structure>`
        """
        # makes a lot of different requests to get all the data
        # in particular:
        # fetchMarkets, getWavesAddress,
        # getTotalBalance(doesn't include waves), getReservedBalance(doesn't include waves)
        # getReservedBalance(includes WAVES)
        # I couldn't find another way to get all the data
        self.check_required_dependencies()
        self.check_required_keys()
        self.load_markets()
        wavesAddress = self.get_waves_address()
        request: dict = {
            'address': wavesAddress,
        }
        totalBalance = self.nodeGetAssetsBalanceAddress(request)
        # {
        #   "address": "3P8VzLSa23EW5CVckHbV7d5BoN75fF1hhFH",
        #   "balances": [
        #     {
        #       "assetId": "DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p",
        #       "balance": 1177200,
        #       "reissuable": False,
        #       "minSponsoredAssetFee": 7420,
        #       "sponsorBalance": 47492147189709,
        #       "quantity": 999999999775381400,
        #       "issueTransaction": {
        #         "senderPublicKey": "BRnVwSVctnV8pge5vRpsJdWnkjWEJspFb6QvrmZvu3Ht",
        #         "quantity": 1000000000000000000,
        #         "fee": 100400000,
        #         "description": "Neutrino USD",
        #         "type": 3,
        #         "version": 2,
        #         "reissuable": False,
        #         "script": null,
        #         "sender": "3PC9BfRwJWWiw9AREE2B3eWzCks3CYtg4yo",
        #         "feeAssetId": null,
        #         "chainId": 87,
        #         "proofs": [
        #           "3HNpbVkgP69NWSeb9hGYauiQDaXrRXh3tXFzNsGwsAAXnFrA29SYGbLtziW9JLpXEq7qW1uytv5Fnm5XTUMB2BxU"
        #         ],
        #         "assetId": "DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p",
        #         "decimals": 6,
        #         "name": "USD-N",
        #         "id": "DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p",
        #         "timestamp": 1574429393962
        #       }
        #     }
        #   ]
        # }
        balances = self.safe_value(totalBalance, 'balances', [])
        result: dict = {}
        timestamp = None
        assetIds = []
        nonStandardBalances = []
        for i in range(0, len(balances)):
            entry = balances[i]
            entryTimestamp = self.safe_integer(entry, 'timestamp')
            timestamp = entryTimestamp if (timestamp is None) else max(timestamp, entryTimestamp)
            issueTransaction = self.safe_value(entry, 'issueTransaction')
            currencyId = self.safe_string(entry, 'assetId')
            balance = self.safe_string(entry, 'balance')
            currencyExists = (currencyId in self.currencies_by_id)
            if currencyExists:
                code = self.safe_currency_code(currencyId)
                result[code] = self.account()
                result[code]['total'] = self.from_real_currency_amount(code, balance)
            elif issueTransaction is None:
                assetIds.append(currencyId)
                nonStandardBalances.append(balance)
        nonStandardAssets = len(assetIds)
        if nonStandardAssets:
            requestInner: dict = {
                'ids': assetIds,
            }
            response = self.publicGetAssets(requestInner)
            data = self.safe_value(response, 'data', [])
            for i in range(0, len(data)):
                entry = data[i]
                balance = nonStandardBalances[i]
                inner = self.safe_value(entry, 'data')
                precision = self.parse_precision(self.safe_string(inner, 'precision'))
                ticker = self.safe_string(inner, 'ticker')
                code = self.safe_currency_code(ticker)
                result[code] = self.account()
                result[code]['total'] = Precise.string_mul(balance, precision)
        currentTimestamp = self.milliseconds()
        byteArray = [
            self.base58_to_binary(self.apiKey),
            self.number_to_be(currentTimestamp, 8),
        ]
        binary = self.binary_concat_array(byteArray)
        hexSecret = self.binary_to_base16(self.base58_to_binary(self.secret))
        signature = self.axolotl(self.binary_to_base16(binary), hexSecret, 'ed25519')
        matcherRequest: dict = {
            'publicKey': self.apiKey,
            'signature': signature,
            'timestamp': str(currentTimestamp),
        }
        reservedBalance = self.matcherGetMatcherBalanceReservedPublicKey(matcherRequest)
        # {WAVES: 200300000}
        reservedKeys = list(reservedBalance.keys())
        for i in range(0, len(reservedKeys)):
            currencyId = reservedKeys[i]
            code = self.safe_currency_code(currencyId)
            if not (code in result):
                result[code] = self.account()
            amount = self.safe_string(reservedBalance, currencyId)
            result[code]['used'] = self.from_real_currency_amount(code, amount)
        wavesRequest: dict = {
            'address': wavesAddress,
        }
        wavesTotal = self.nodeGetAddressesBalanceAddress(wavesRequest)
        # {
        #   "address": "3P8VzLSa23EW5CVckHbV7d5BoN75fF1hhFH",
        #   "confirmations": 0,
        #   "balance": 909085978
        # }
        result['WAVES'] = self.safe_value(result, 'WAVES', self.account())
        result['WAVES']['total'] = self.from_real_currency_amount('WAVES', self.safe_string(wavesTotal, 'balance'))
        result = self.set_undefined_balances_to_zero(result)
        result['timestamp'] = timestamp
        result['datetime'] = self.iso8601(timestamp)
        return self.safe_balance(result)

    def set_undefined_balances_to_zero(self, balances, key='used'):
        codes = list(balances.keys())
        for i in range(0, len(codes)):
            code = codes[i]
            if self.safe_value(balances[code], 'used') is None:
                balances[code][key] = '0'
        return balances

    def fetch_my_trades(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}):
        """
        fetch all trades made by the user
        :param str symbol: unified market symbol
        :param int [since]: the earliest time in ms to fetch trades for
        :param int [limit]: the maximum number of trades structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns Trade[]: a list of `trade structures <https://docs.ccxt_zagrava.com/#/?id=trade-structure>`
        """
        self.load_markets()
        address = self.get_waves_address()
        request: dict = {
            'sender': address,
        }
        market = None
        if symbol is not None:
            market = self.market(symbol)
            request['amountAsset'] = market['baseId']
            request['priceAsset'] = market['quoteId']
        response = self.publicGetTransactionsExchange(request)
        data = self.safe_value(response, 'data')
        #
        #      {
        #          "__type":"list",
        #          "isLastPage":true,
        #          "lastCursor":"MzA2MjQ0MzAwMDI5OjpkZXNj",
        #          "data": [
        #              {
        #                  "__type":"transaction",
        #                  "data": {
        #                      "id":"GbjPqco2wRP5QSrY5LimFrUyJaM535K9nhK5zaQ7J7Tx",
        #                      "timestamp":"2022-04-06T19:56:31.479Z",
        #                      "height":3062443,
        #                      "type":7,
        #                      "version":2,
        #                      "proofs":[
        #                          "57mYrANw61eiArCTv2eYwzXm71jYC2KpZ5AeM9zHEstuRaYSAWSuSE7njAJYJu8zap6DMCm3nzqc6es3wQFDpRCN"
        #                      ],
        #                      "fee":0.003,
        #                      "applicationStatus":"succeeded",
        #                      "sender":"3PEjHv3JGjcWNpYEEkif2w8NXV4kbhnoGgu",
        #                      "senderPublicKey":"9cpfKN9suPNvfeUNphzxXMjcnn974eme8ZhWUjaktzU5",
        #                      "buyMatcherFee":0,
        #                      "sellMatcherFee":0.00141728,
        #                      "price":215.7431,
        #                      "amount":0.09,
        #                      "order1": {
        #                          "id":"49qiuQj5frdZ6zpTCEpMuKPMAh1EimwXpXWB4BeCw33h",
        #                          "senderPublicKey":"CjUfoH3dsDZsf5UuAjqqzpWHXgvKzBZpVG9YixF7L48K",
        #                          "matcherPublicKey":"9cpfKN9suPNvfeUNphzxXMjcnn974eme8ZhWUjaktzU5",
        #                          "assetPair": {
        #                              "amountAsset":"7TMu26hAs7B2oW6c5sfx45KSZT7GQA3TZNYuCav8Dcqt",
        #                              "priceAsset":"DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p"
        #                          },
        #                          "orderType":"buy",
        #                          "price":215.7431,
        #                          "sender":"3PR9WmaHV5ueVw2Wr9xsiCG3t4ySXzkkGLy",
        #                          "amount":0.36265477,
        #                          "timestamp":"2022-04-06T19:55:06.832Z",
        #                          "expiration":"2022-05-05T19:55:06.832Z",
        #                          "matcherFee":3.000334,
        #                          "signature":"2rBWhdeuRJNpQfXfTFtcR8x8Lpic8FUHPdLML9uxABRUuxe48YRJcZxbncwWAh9LWFCEUZiztv7RZBZfGMWfFxTs",
        #                          "matcherFeeAssetId":"DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p"
        #                      },
        #                      "order2": {
        #                          "id":"AkxiJqCuv6wm8K41TUSgFNwShZMnCbMDT78MqrcWpQ53",
        #                          "senderPublicKey":"72o7qNKyne5hthB1Ww6famE7uHrk5vTVB2ZfUMBEqL3Y",
        #                          "matcherPublicKey":"9cpfKN9suPNvfeUNphzxXMjcnn974eme8ZhWUjaktzU5",
        #                          "assetPair": {
        #                              "amountAsset":"7TMu26hAs7B2oW6c5sfx45KSZT7GQA3TZNYuCav8Dcqt",
        #                              "priceAsset":"DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p"
        #                          },
        #                          "orderType":"sell",
        #                          "price":210,
        #                          "sender":"3P3CzbjGgiqEyUBeKZYfgZtyaZfMG8fjoUD",
        #                          "amount":0.09,
        #                          "timestamp":"2022-04-06T19:56:18.535Z",
        #                          "expiration":"2022-05-04T19:56:18.535Z",
        #                          "matcherFee":0.00141728,
        #                          "signature":"5BZCjYn6QzVkMXBFDBnzcAUBdCZqhq9hQfRXFHfLUQCsbis4zeriw4sUqLa1BZRT2isC6iY4Z4HtekikPqZ461PT",
        #                          "matcherFeeAssetId":"7TMu26hAs7B2oW6c5sfx45KSZT7GQA3TZNYuCav8Dcqt"
        #                      }
        #                  }
        #              },...
        #          ]
        #      }
        #
        return self.parse_trades(data, market, since, limit)

    def fetch_trades(self, symbol: str, since: Int = None, limit: Int = None, params={}) -> List[Trade]:
        """
        get the list of most recent trades for a particular symbol
        :param str symbol: unified symbol of the market to fetch trades for
        :param int [since]: timestamp in ms of the earliest trade to fetch
        :param int [limit]: the maximum amount of trades to fetch
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns Trade[]: a list of `trade structures <https://docs.ccxt_zagrava.com/#/?id=public-trades>`
        """
        self.load_markets()
        market = self.market(symbol)
        request: dict = {
            'amountAsset': market['baseId'],
            'priceAsset': market['quoteId'],
        }
        if limit is not None:
            request['limit'] = min(limit, 100)
        if since is not None:
            request['timeStart'] = since
        response = self.publicGetTransactionsExchange(request)
        data = self.safe_value(response, 'data')
        #
        #      {
        #          "__type":"list",
        #          "isLastPage":false,
        #          "lastCursor":"MzA2MjM2MTAwMDU0OjpkZXNj",
        #          "data": [
        #              {
        #                  "__type":"transaction",
        #                  "data": {
        #                      "id":"F42WsvSsyEzvpPLFjVhQKkSNuopooP4zMkjSUs47NeML",
        #                      "timestamp":"2022-04-06T18:39:49.145Z",
        #                      "height":3062361,
        #                      "type":7,
        #                      "version":2,
        #                      "proofs": [
        #                          "39iJv82kFi4pyuBxYeZpP45NXXjbrCXdVsHPAAvj32UMLmTXLjMTfV43PcmZDSAuS93HKSDo1aKJrin8UvkeE9Bs"
        #                      ],
        #                      "fee":0.003,
        #                      "applicationStatus":"succeeded",
        #                      "sender":"3PEjHv3JGjcWNpYEEkif2w8NXV4kbhnoGgu",
        #                      "senderPublicKey":"9cpfKN9suPNvfeUNphzxXMjcnn974eme8ZhWUjaktzU5",
        #                      "buyMatcherFee":0.02314421,
        #                      "sellMatcherFee":0,
        #                      "price":217.3893,
        #                      "amount":0.34523025,
        #                      "order1": {
        #                          "id":"HkM36PHGaeeZdDKT1mYgZXhaU9PRZ54RZiJc2K4YMT3Q",
        #                          "senderPublicKey":"7wYCaDcc6GX1Jx2uS7QgLHBypBKvrezTS1HfiW6Xe4Bk",
        #                          "matcherPublicKey":"9cpfKN9suPNvfeUNphzxXMjcnn974eme8ZhWUjaktzU5",
        #                          "assetPair": {
        #                              "amountAsset":"7TMu26hAs7B2oW6c5sfx45KSZT7GQA3TZNYuCav8Dcqt",
        #                              "priceAsset":"DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p"
        #                          },
        #                          "orderType":"buy",
        #                          "price":225.2693,
        #                          "sender":"3PLPc8f4DGYaF9C9bwJ2uVmHqRv3NCjg5VQ",
        #                          "amount":2.529,
        #                          "timestamp":"2022-04-06T18:39:48.796Z",
        #                          "expiration":"2022-05-05T18:39:48.796Z",
        #                          "matcherFee":0.17584444,
        #                          "signature":"2yQfJoomv86evQDw36fg1uiRkHvPDZtRp3qvxqTBWPvz4JLTHGQtEHJF5NGTvym6U93CtgNprngzmD9ecHBjxf6U",
        #                          "matcherFeeAssetId":"Atqv59EYzjFGuitKVnMRk6H8FukjoV3ktPorbEys25on"
        #                      },
        #                      "order2": {
        #                          "id":"F7HKmeuzwWdk3wKitHLnVx5MuD4wBWPpphQ8kUGx4tT9",
        #                          "senderPublicKey":"CjUfoH3dsDZsf5UuAjqqzpWHXgvKzBZpVG9YixF7L48K",
        #                          "matcherPublicKey":"9cpfKN9suPNvfeUNphzxXMjcnn974eme8ZhWUjaktzU5",
        #                          "assetPair": {
        #                              "amountAsset":"7TMu26hAs7B2oW6c5sfx45KSZT7GQA3TZNYuCav8Dcqt",
        #                              "priceAsset":"DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p"
        #                          },
        #                          "orderType":"sell",
        #                          "price":217.3893,
        #                          "sender":"3PR9WmaHV5ueVw2Wr9xsiCG3t4ySXzkkGLy",
        #                          "amount":0.35767793,
        #                          "timestamp":"2022-04-06T18:32:01.390Z",
        #                          "expiration":"2022-05-05T18:32:01.390Z",
        #                          "matcherFee":0.0139168,
        #                          "signature":"34HgWVLPgeYWkiSvAc5ChVepGTYDQDug2dMTSincs6idEyoM7AtaZuH3mqQ5RJG2fcxxH2QSB723Qq3dgLQwQmKf",
        #                          "matcherFeeAssetId":"7TMu26hAs7B2oW6c5sfx45KSZT7GQA3TZNYuCav8Dcqt"
        #                      }
        #                  }
        #              }, ...
        #          ]
        #      }
        #
        return self.parse_trades(data, market, since, limit)

    def parse_trade(self, trade: dict, market: Market = None) -> Trade:
        #
        # {__type: "transaction",
        #   "data":
        #    {id: "HSdruioHqvYHeyn9hhyoHdRWPB2bFA8ujeCPZMK6992c",
        #      "timestamp": "2020-06-09T19:34:51.897Z",
        #      "height": 2099684,
        #      "type": 7,
        #      "version": 2,
        #      "proofs":
        #       ["26teDHERQgwjjHqEn4REcDotNG8M21xjou3X42XuDuCvrRkQo6aPyrswByH3UrkWG8v27ZAaVNzoxDg4teNcLtde"],
        #      "fee": 0.003,
        #      "sender": "3PEjHv3JGjcWNpYEEkif2w8NXV4kbhnoGgu",
        #      "senderPublicKey": "9cpfKN9suPNvfeUNphzxXMjcnn974eme8ZhWUjaktzU5",
        #      "buyMatcherFee": 0.00299999,
        #      "sellMatcherFee": 0.00299999,
        #      "price": 0.00012003,
        #      "amount": 60.80421562,
        #      "order1":
        #       {id: "CBRwP3ar4oMvvpUiGyfxc1syh41488SDi2GkrjuBDegv",
        #         "senderPublicKey": "DBXSHBz96NFsMu7xh4fi2eT9ZnyxefAHXsMxUayzgC6a",
        #         "matcherPublicKey": "9cpfKN9suPNvfeUNphzxXMjcnn974eme8ZhWUjaktzU5",
        #         "assetPair": [Object],
        #         "orderType": "buy",
        #         "price": 0.00012003,
        #         "sender": "3PJfFRgVuJ47UY4ckb74EGzEBzkHXtmG1LA",
        #         "amount": 60.80424773,
        #         "timestamp": "2020-06-09T19:34:51.885Z",
        #         "expiration": "2020-06-10T12:31:31.885Z",
        #         "matcherFee": 0.003,
        #         "signature": "4cA3ZAb3XAEEXaFG7caqpto5TRbpR5PkhZpxoNQZ9ZReNvjuJQs5a3THnumv7rcqmVUiVtuHAgk2f67ANcqtKyJ8",
        #         "matcherFeeAssetId": null},
        #      "order2":
        #       {id: "CHJSLQ6dfSPs6gu2mAegrMUcRiDEDqaj2GKfvptMjS3M",
        #         "senderPublicKey": "3RUC4NGFZm9H8VJhSSjJyFLdiE42qNiUagDcZPwjgDf8",
        #         "matcherPublicKey": "9cpfKN9suPNvfeUNphzxXMjcnn974eme8ZhWUjaktzU5",
        #         "assetPair": [Object],
        #         "orderType": "sell",
        #         "price": 0.00012003,
        #         "sender": "3P9vKoQpMZtaSkHKpNh977YY9ZPzTuntLAq",
        #         "amount": 60.80424773,
        #         "timestamp": "2020-06-09T19:34:51.887Z",
        #         "expiration": "2020-06-10T12:31:31.887Z",
        #         "matcherFee": 0.003,
        #         "signature": "3SFyrcqzou2ddZyNisnLYaGhLt5qRjKxH8Nw3s4T5U7CEKGX9DDo8dS27RgThPVGbYF1rYET1FwrWoQ2UFZ6SMTR",
        #         "matcherFeeAssetId": null}}}
        #
        data = self.safe_value(trade, 'data')
        datetime = self.safe_string(data, 'timestamp')
        timestamp = self.parse8601(datetime)
        id = self.safe_string(data, 'id')
        priceString = self.safe_string(data, 'price')
        amountString = self.safe_string(data, 'amount')
        order1 = self.safe_value(data, 'order1')
        order2 = self.safe_value(data, 'order2')
        order = None
        # order2 arrived after order1
        if self.safe_string(order1, 'senderPublicKey') == self.apiKey:
            order = order1
        else:
            order = order2
        symbol = None
        assetPair = self.safe_value(order, 'assetPair')
        if assetPair is not None:
            symbol = self.get_symbol_from_asset_pair(assetPair)
        elif market is not None:
            symbol = market['symbol']
        side = self.safe_string(order, 'orderType')
        orderId = self.safe_string(order, 'id')
        fee = {
            'cost': self.safe_string(order, 'matcherFee'),
            'currency': self.safe_currency_code(self.safe_string(order, 'matcherFeeAssetId', 'WAVES')),
        }
        return self.safe_trade({
            'info': trade,
            'timestamp': timestamp,
            'datetime': datetime,
            'symbol': symbol,
            'id': id,
            'order': orderId,
            'type': None,
            'side': side,
            'takerOrMaker': None,
            'price': priceString,
            'amount': amountString,
            'cost': None,
            'fee': fee,
        }, market)

    def parse_deposit_withdraw_fees(self, response, codes: Strings = None, currencyIdKey=None) -> Any:
        depositWithdrawFees: dict = {}
        codes = self.market_codes(codes)
        for i in range(0, len(response)):
            entry = response[i]
            dictionary = entry
            currencyId = self.safe_string(dictionary, currencyIdKey)
            currency = self.safe_value(self.currencies_by_id, currencyId)
            code = self.safe_string(currency, 'code', currencyId)
            if (codes is None) or (self.in_array(code, codes)):
                depositWithdrawFee = self.safe_value(depositWithdrawFees, code)
                if depositWithdrawFee is None:
                    depositWithdrawFee = {
                        'info': [dictionary],
                        'withdraw': {
                            'fee': None,
                            'percentage': None,
                        },
                        'deposit': {
                            'fee': None,
                            'percentage': None,
                        },
                        'networks': {},
                    }
                else:
                    depositWithdrawFee = depositWithdrawFees[code]
                    depositWithdrawFee['info'] = self.array_concat(depositWithdrawFee['info'], [dictionary])
                networkId = self.safe_string(dictionary, 'platform_id')
                currencyCode = self.safe_string(currency, 'code')
                networkCode = self.network_id_to_code(networkId, currencyCode)
                network = self.safe_value(depositWithdrawFee['networks'], networkCode)
                if network is None:
                    network = {
                        'withdraw': {
                            'fee': None,
                            'percentage': None,
                        },
                        'deposit': {
                            'fee': None,
                            'percentage': None,
                        },
                    }
                feeType = self.safe_string(dictionary, 'type')
                fees = self.safe_value(dictionary, 'fees')
                networkKey = 'deposit'
                if feeType == 'withdrawal_currency':
                    networkKey = 'withdraw'
                network[networkKey] = {'fee': self.safe_number(fees, 'flat'), 'percentage': False}
                depositWithdrawFee['networks'][networkCode] = network
                depositWithdrawFees[code] = depositWithdrawFee
        depositWithdrawFeesKeys = list(depositWithdrawFees.keys())
        for i in range(0, len(depositWithdrawFeesKeys)):
            code = depositWithdrawFeesKeys[i]
            entry = depositWithdrawFees[code]
            networks = self.safe_value(entry, 'networks')
            networkKeys = list(networks.keys())
            networkKeysLength = len(networkKeys)
            if networkKeysLength == 1:
                network = self.safe_value(networks, networkKeys[0])
                depositWithdrawFees[code]['withdraw'] = self.safe_value(network, 'withdraw')
                depositWithdrawFees[code]['deposit'] = self.safe_value(network, 'deposit')
        return depositWithdrawFees

    def fetch_deposit_withdraw_fees(self, codes: Strings = None, params={}):
        """
        fetch deposit and withdraw fees
        :see: https://docs.wx.network/en/api/gateways/deposit/currencies
        :see: https://docs.wx.network/en/api/gateways/withdraw/currencies
        :param str[]|None codes: list of unified currency codes
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a list of `fee structures <https://docs.ccxt_zagrava.com/#/?id=fee-structure>`
        """
        self.load_markets()
        data = []
        promises = []
        promises.append(self.privateGetDepositCurrencies(params))
        promises.append(self.privateGetWithdrawCurrencies(params))
        promises = promises
        #
        #    {
        #        "type": "list",
        #        "page_info": {
        #          "has_next_page": False,
        #          "last_cursor": null
        #        },
        #        "items": [
        #          {
        #            "type": "deposit_currency",
        #            "id": "WEST",
        #            "platform_id": "WEST",
        #            "waves_asset_id": "4LHHvYGNKJUg5hj65aGD5vgScvCBmLpdRFtjokvCjSL8",
        #            "platform_asset_id": "WEST",
        #            "decimals": 8,
        #            "status": "active",
        #            "allowed_amount": {
        #              "min": 0.1,
        #              "max": 2000000
        #            },
        #            "fees": {
        #              "flat": 0,
        #              "rate": 0
        #            }
        #          },
        #        ]
        #    }
        #
        #
        #    {
        #        "type": "list",
        #        "page_info": {
        #          "has_next_page": False,
        #          "last_cursor": null
        #        },
        #        "items": [
        #          {
        #            "type": "withdrawal_currency",
        #            "id": "BTC",
        #            "platform_id": "BTC",
        #            "waves_asset_id": "8LQW8f7P5d5PZM7GtZEBgaqRPGSzS3DfPuiXrURJ4AJS",
        #            "platform_asset_id": "BTC",
        #            "decimals": 8,
        #            "status": "inactive",
        #            "allowed_amount": {
        #              "min": 0.001,
        #              "max": 10
        #            },
        #            "fees": {
        #              "flat": 0.001,
        #              "rate": 0
        #            }
        #          },
        #        ]
        #    }
        #
        for i in range(0, len(promises)):
            items = self.safe_value(promises[i], 'items')
            data = self.array_concat(data, items)
        return self.parse_deposit_withdraw_fees(data, codes, 'id')

    def handle_errors(self, code: int, reason: str, url: str, method: str, headers: dict, body: str, response, requestHeaders, requestBody):
        errorCode = self.safe_string(response, 'error')
        success = self.safe_bool(response, 'success', True)
        Exception = self.safe_value(self.exceptions, errorCode)
        if Exception is not None:
            messageInner = self.safe_string(response, 'message')
            raise Exception(self.id + ' ' + messageInner)
        message = self.safe_string(response, 'message')
        if message == 'Validation Error':
            raise BadRequest(self.id + ' ' + body)
        if not success:
            raise ExchangeError(self.id + ' ' + body)
        return None

    def withdraw(self, code: str, amount: float, address: str, tag=None, params={}):
        """
        make a withdrawal
        :param str code: unified currency code
        :param float amount: the amount to withdraw
        :param str address: the address to withdraw to
        :param str tag:
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `transaction structure <https://docs.ccxt_zagrava.com/#/?id=transaction-structure>`
        """
        tag, params = self.handle_withdraw_tag_and_params(tag, params)
        # currently only works for BTC and WAVES
        if code != 'WAVES':
            supportedCurrencies = self.privateGetWithdrawCurrencies()
            currencies: dict = {}
            items = self.safe_value(supportedCurrencies, 'items', [])
            for i in range(0, len(items)):
                entry = items[i]
                currencyCode = self.safe_string(entry, 'id')
                currencies[currencyCode] = True
            if not (code in currencies):
                codes = list(currencies.keys())
                raise ExchangeError(self.id + ' withdraw() ' + code + ' not supported. Currency code must be one of ' + str(codes))
        self.load_markets()
        hexChars = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f']
        set: dict = {}
        for i in range(0, len(hexChars)):
            key = hexChars[i]
            set[key] = True
        isErc20 = True
        noPrefix = self.remove0x_prefix(address)
        lower = noPrefix.lower()
        stringLength = len(lower) * 1
        for i in range(0, stringLength):
            character = lower[i]
            if not (character in set):
                isErc20 = False
                break
        self.sign_in()
        proxyAddress = None
        if code == 'WAVES' and not isErc20:
            proxyAddress = address
        else:
            withdrawAddressRequest: dict = {
                'address': address,
                'currency': code,
            }
            withdrawAddress = self.privateGetWithdrawAddressesCurrencyAddress(withdrawAddressRequest)
            currencyInner = self.safe_value(withdrawAddress, 'currency')
            allowedAmount = self.safe_value(currencyInner, 'allowed_amount')
            minimum = self.safe_number(allowedAmount, 'min')
            if amount <= minimum:
                raise BadRequest(self.id + ' ' + code + ' withdraw failed, amount ' + str(amount) + ' must be greater than the minimum allowed amount of ' + str(minimum))
            # {
            #   "type": "withdrawal_addresses",
            #   "currency": {
            #     "type": "withdrawal_currency",
            #     "id": "BTC",
            #     "waves_asset_id": "8LQW8f7P5d5PZM7GtZEBgaqRPGSzS3DfPuiXrURJ4AJS",
            #     "decimals": 8,
            #     "status": "active",
            #     "allowed_amount": {
            #       "min": 0.001,
            #       "max": 20
            #     },
            #     "fees": {
            #       "flat": 0.001,
            #       "rate": 0
            #     }
            #   },
            #   "proxy_addresses": [
            #     "3P3qqmkiLwNHB7x1FeoE8bvkRtULwGpo9ga"
            #   ]
            # }
            proxyAddresses = self.safe_value(withdrawAddress, 'proxy_addresses', [])
            proxyAddress = self.safe_string(proxyAddresses, 0)
        fee = self.safe_integer(self.options, 'withdrawFeeWAVES', 100000)  # 0.001 WAVES
        feeAssetId = 'WAVES'
        type = 4  # transfer
        version = 2
        amountInteger = self.to_real_currency_amount(code, amount)
        currency = self.currency(code)
        timestamp = self.milliseconds()
        byteArray = [
            self.number_to_be(4, 1),
            self.number_to_be(2, 1),
            self.base58_to_binary(self.apiKey),
            self.get_asset_bytes(currency['id']),
            self.get_asset_bytes(feeAssetId),
            self.number_to_be(timestamp, 8),
            self.number_to_be(amountInteger, 8),
            self.number_to_be(fee, 8),
            self.base58_to_binary(proxyAddress),
            self.number_to_be(0, 2),
        ]
        binary = self.binary_concat_array(byteArray)
        hexSecret = self.binary_to_base16(self.base58_to_binary(self.secret))
        signature = self.axolotl(self.binary_to_base16(binary), hexSecret, 'ed25519')
        request: dict = {
            'senderPublicKey': self.apiKey,
            'amount': amountInteger,
            'fee': fee,
            'type': type,
            'version': version,
            'attachment': '',
            'feeAssetId': self.get_asset_id(feeAssetId),
            'proofs': [
                signature,
            ],
            'assetId': self.get_asset_id(currency['id']),
            'recipient': proxyAddress,
            'timestamp': timestamp,
            'signature': signature,
        }
        result = self.nodePostTransactionsBroadcast(request)
        #
        #     {
        #         "id": "string",
        #         "signature": "string",
        #         "fee": 0,
        #         "timestamp": 1460678400000,
        #         "recipient": "3P274YB5qseSE9DTTL3bpSjosZrYBPDpJ8k",
        #         "amount": 0
        #     }
        #
        return self.parse_transaction(result, currency)

    def parse_transaction(self, transaction: dict, currency: Currency = None) -> Transaction:
        #
        # withdraw
        #
        #     {
        #         "id": "string",
        #         "signature": "string",
        #         "fee": 0,
        #         "timestamp": 1460678400000,
        #         "recipient": "3P274YB5qseSE9DTTL3bpSjosZrYBPDpJ8k",
        #         "amount": 0
        #     }
        #
        # withdraw new:
        #     {
        #         type: "4",
        #         id: "2xnWTqG9ar7jEDrLxfbVyyspPZ6XZNrrw9ai9sQ81Eya",
        #         fee: "100000",
        #         feeAssetId: null,
        #         timestamp: "1715786263807",
        #         version: "2",
        #         sender: "3P81LLX1kk2CSJC9L8C2enxdHB7XvnSGAEE",
        #         senderPublicKey: "DdmzmXf9mty1FBE8AdVGnrncVLEAzP4gR4nWoTFAJoXz",
        #         proofs: ["RyoKwdSYv3EqotJCYftfFM9JE2j1ZpDRxKwYfiRhLAFeyNp6VfJUXNDS884XfeCeHeNypNmTCZt5NYR1ekyjCX3",],
        #         recipient: "3P9tXxu38a8tgewNEKFzourVxeqHd11ppOc",
        #         assetId: null,
        #         feeAsset: null,
        #         amount: "2000000",
        #         attachment: "",
        #     }
        #
        currency = self.safe_currency(None, currency)
        code = currency['code']
        typeRaw = self.safe_string(transaction, 'type')
        type = 'withdraw' if (typeRaw == '4') else 'deposit'
        amount = self.parse_number(self.from_real_currency_amount(code, self.safe_string(transaction, 'amount')))
        feeString = self.safe_string(transaction, 'fee')
        feeAssetId = self.safe_string(transaction, 'feeAssetId', 'WAVES')
        feeCode = self.safe_currency_code(feeAssetId)
        feeAmount = self.parse_number(self.from_real_currency_amount(feeCode, feeString))
        timestamp = self.safe_integer(transaction, 'timestamp')
        return {
            'id': self.safe_string(transaction, 'id'),
            'txid': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'network': None,
            'addressFrom': self.safe_string(transaction, 'sender'),
            'address': None,
            'addressTo': self.safe_string(transaction, 'recipient'),
            'amount': amount,
            'type': type,
            'currency': currency['code'],
            'status': None,
            'updated': None,
            'tagFrom': None,
            'tag': None,
            'tagTo': None,
            'comment': None,
            'internal': None,
            'fee': {
                'currency': feeCode,
                'cost': feeAmount,
            },
            'info': transaction,
        }
