Method sign

python/ccxt/derive.py:2558–2571

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

        return None

    def sign(self, path, api: Any = 'public', method='GET', params={}, headers: dict = None, body: Str = None):
        url = self.urls['api'][api] + '/' + path
        if method == 'POST':
            headers = {
                'Content-Type': 'application/json',
            }
            if api == 'private':
                now = str(self.milliseconds())
                signature = self.sign_message(now, self.privateKey)
                headers['X-LyraWallet'] = self.safe_string(self.options, 'deriveWalletAddress')
                headers['X-LyraTimestamp'] = now
                headers['X-LyraSignature'] = signature
            body = self.json(params)
        return {'url': url, 'method': method, 'body': body, 'headers': headers}