address.py 文件源码

def issueAsset(self, name, description, quantity, decimals=0, reissuable=False, txFee=pywaves.DEFAULT_ASSET_FEE):
        if not self.privateKey:
            logging.error('Private key required')
        elif len(name) < 4 or len(name) > 16:
            logging.error('Asset name must be between 4 and 16 characters long')
        else:
            timestamp = int(time.time() * 1000)
            sData = b'\3' + \
                    base58.b58decode(self.publicKey) + \
                    struct.pack(">H", len(name)) + \
                    crypto.str2bytes(name) + \
                    struct.pack(">H", len(description)) + \
                    crypto.str2bytes(description) + \
                    struct.pack(">Q", quantity) + \
                    struct.pack(">B", decimals) + \
                    (b'\1' if reissuable else b'\0') + \
                    struct.pack(">Q", txFee) + \
                    struct.pack(">Q", timestamp)
            signature=crypto.sign(self.privateKey, sData)
            data = json.dumps({
                "senderPublicKey": self.publicKey,
                "name": name,
                "quantity": quantity,
                "timestamp": timestamp,
                "description": description,
                "decimals": decimals,
                "reissuable": reissuable,
                "fee": txFee,
                "signature": signature
            })
            req = pywaves.wrapper('/assets/broadcast/issue', data)
            if pywaves.OFFLINE:
                return req
            else:
                return pywaves.Asset(req['assetId'])