dreamer2014520 2017-12-29 15:47 采纳率: 0%
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从对等方删除ChainCode

I made a mistake my chaincode and installed them on the peers on my network. When I tried to instantiate the chaincode in the channels, I found the error.

  1. Is there a way to debug chaincode before installing it on peers ? It seems to only get flagged when you instantiate it.
  2. Is there a way to delete the chaincode from the peers without having to restart the network?
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  • douxia5179 2017-12-30 17:45
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    1. Depends on what you mean by mistake / debug. You should make sure it compiles first. That eliminates all typos, syntax, missing libraries, etc. But there is no way to debug functionality except to install and instantiate.

    2. Technically, no. You can delete all the storage (/var/hyperledger/production/peer, /var/hyperledger/production/orderer, the kafka/zookeeper files, and CouchDB). Not a real big deal, but you do have to restart the network and recreate the channel, join it, install and instantiate the cc, etc. But you can install as a different name. Just change the name in your app connection definition to match. You can also upgrade by changing the version number but keeping the same name.

    I just change the name until I get to a fairly settled spot and then do the deletes and restart all to clean up. A full cleanup (4 peers, 3 orderers, 4 kafka,3 zoopkeeper) takes me maybe 30 minutes. Normally, I keep a CLI open with install ccname1 and instantiate ccname1 in the buffer and can easily increment to ccname2,3,4,5. It only takes a few seconds that way.

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