def get_tx_blockhash(self, txhash):
        url = "%s/tx_blockhash" % self.url_stem
        data = {'txhash': txhash}
        req = urllib2.Request(url, json.dumps(data),
                              {'Content-Type': 'application/json'})
        f = urllib2.urlopen(req)
        payload = f.read()
        f.close()
        data = json.loads(payload)
        return data[0], data[1]
dataset/ETHPy150Open chromaway/ngcccbase/ngcccbase/services/chroma.py/ChromaBlockchainState.get_tx_blockhash/original