Method fetch_currencies_from_cache

python/ccxt/coinbase.py:1824–1867

(self, params={})

        })

    def fetch_currencies_from_cache(self, params={}):
        options = self.safe_dict(self.options, 'fetchCurrencies', {})
        timestamp = self.safe_integer(options, 'timestamp')
        expires = self.safe_integer(options, 'expires', 1000)
        now = self.milliseconds()
        if (timestamp is None) or ((now - timestamp) > expires):
            promises = [
                self.v2PublicGetCurrencies(params),
                self.v2PublicGetCurrenciesCrypto(params),
            ]
            promisesResult = promises
            fiatResponse = self.safe_dict(promisesResult, 0, {})
            #
            #    [
            #        "data": {
            #            id: 'IMP',
            #            name: 'Isle of Man Pound',
            #            min_size: '0.01'
            #        },
            #        ...
            #    ]
            #
            cryptoResponse = self.safe_dict(promisesResult, 1, {})
            #
            #    {
            #        asset_id: '9476e3be-b731-47fa-82be-347fabc573d9',
            #        code: 'AERO',
            #        name: 'Aerodrome Finance',
            #        color: '#0433FF',
            #        sort_index: '340',
            #        exponent: '8',
            #        type: 'crypto',
            #        address_regex: '^(?:0x)?[0-9a-fA-F]{40}$'
            #    }
            #
            fiatData = self.safe_list(fiatResponse, 'data', [])
            cryptoData = self.safe_list(cryptoResponse, 'data', [])
            exchangeRates = self.v2PublicGetExchangeRates(params)
            self.options['fetchCurrencies'] = self.extend(options, {
                'currencies': self.array_concat(fiatData, cryptoData),
                'exchangeRates': exchangeRates,
                'timestamp': now,
            })
        return self.safe_dict(self.options, 'fetchCurrencies', {})

    def fetch_currencies(self, params={}) -> Currencies:
        """