我运行了脚本./network.sh deployCC，然后无法将其部署在网络上（Fabric 2.0），这是错误：
deploying chaincode on channel 'mychannel'
Vendoring Go dependencies ...
~/Desktop/Fabric/fabric-samples/chaincode/fabcar/go
~/Desktop/Fabric/fabric-samples/test-network
go: unknown subcommand "mod"
Run 'go help' for usage.
~/Desktop/Fabric/fabric-samples/test-network
Finished vendoring Go dependencies
Using organization 1
++ peer lifecycle chaincode package fabcar.tar.gz --path
../chaincode/fabcar/go/ --lang golang --label fabcar_1
++ res=1
++ set +x
Error: error getting chaincode bytes: listing deps for pacakge
../chaincode/fabcar/go/ failed: exit status 2
!!!!!!!!!!!!!!! Chaincode packaging on peer0.org1 has failed
!!!!!!!!!!!!!!!!
ERROR !!! Deploying chaincode failed
假设我已将智能合约内的变量 x 更新为(x=10)。我存储了 transactionHash。然后我再次更改 x=20 的值，然后我将得到一个新的交易哈希。那么有没有什么方法可以使用之前更新的 transactionHash(x=10) 来查看 x 的值？