Method sign

python/ccxt/async_support/bybit.py:9262–9350

(self, path, api: Any = 'public', method='GET', params={}, headers: dict = None, body: Any = None)

        return self.safe_string(marginModes, marginMode, marginMode)

    def sign(self, path, api: Any = 'public', method='GET', params={}, headers: dict = None, body: Any = None):
        url = self.implode_hostname(self.urls['api'][api]) + '/' + path
        if api == 'public':
            if params:
                url += '?' + self.rawencode(params)
        elif api == 'private':
            self.check_required_credentials()
            isOpenapi = url.find('openapi') >= 0
            isV3UnifiedMargin = url.find('unified/v3') >= 0
            isV3Contract = url.find('contract/v3') >= 0
            isV5UnifiedAccount = url.find('v5') >= 0
            timestamp = str(self.nonce())
            if isOpenapi:
                if params:
                    body = self.json(params)
                else:
                    # self fix for PHP is required otherwise it generates
                    # '[]' on empty arrays even when forced to use objects
                    body = '{}'
                payload = timestamp + self.apiKey + body
                signature = self.hmac(self.encode(payload), self.encode(self.secret), hashlib.sha256, 'hex')
                headers = {
                    'Content-Type': 'application/json',
                    'X-BAPI-API-KEY': self.apiKey,
                    'X-BAPI-TIMESTAMP': timestamp,
                    'X-BAPI-SIGN': signature,
                }
            elif isV3UnifiedMargin or isV3Contract or isV5UnifiedAccount:
                headers = {
                    'Content-Type': 'application/json',
                    'X-BAPI-API-KEY': self.apiKey,
                    'X-BAPI-TIMESTAMP': timestamp,
                    'X-BAPI-RECV-WINDOW': str(self.options['recvWindow']),
                }
                if isV3UnifiedMargin or isV3Contract:
                    headers['X-BAPI-SIGN-TYPE'] = '2'
                query = self.extend({}, params)
                queryEncoded = self.rawencode(query)
                auth_base = str(timestamp) + self.apiKey + str(self.options['recvWindow'])
                authFull = None
                if method == 'POST':
                    body = self.json(query)
                    authFull = auth_base + body
                else:
                    authFull = auth_base + queryEncoded
                    url += '?' + queryEncoded
                signature = None
                if self.secret.find('PRIVATE KEY') > -1:
                    signature = self.rsa(authFull, self.secret, 'sha256')
                else:
                    signature = self.hmac(self.encode(authFull), self.encode(self.secret), hashlib.sha256)
                headers['X-BAPI-SIGN'] = signature
            else:
                query = self.extend(params, {
                    'api_key': self.apiKey,
                    'recv_window': self.options['recvWindow'],
                    'timestamp': timestamp,
                })