我正在写一个Hyperledger-fabric链码。我希望它能从外部程序中获得一些字符串,并向它发送一些消息。我想知道链码是否能做到这一点?
发布于 2019-04-15 20:59:56
是的,你可以这样做。这种做法被称为“先知”。例如,阅读this。
但由于以下几个原因,强烈建议您不要这么做(ChainCode最佳实践:Accessing external resources (http) might expose vulnerability and security threats to your chaincode. You do not want malicous code from external sources to influence your chaincode logic in any way. So keep away from external calls as much as possible.)
https://stackoverflow.com/questions/55688570
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