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cns.go
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cns.go
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package commandline
import (
"fmt"
"github.com/FISCO-BCOS/go-sdk/precompiled/cns"
"github.com/spf13/cobra"
)
var queryCNS = &cobra.Command{
Use: "queryCNS",
Short: "[name] [version] Query CNS information by contract name and contract version",
Long: `Query CNS information by contract name and contract version.
Arguments:
[name]: string
[version]: string
For example:
[queryCNS] [HelloWorld] [1.0]
For more information please refer:
https://fisco-bcos-documentation.readthedocs.io/zh_CN/latest/docs/manual/console.html#querycns`,
Args: cobra.RangeArgs(1, 2),
Run: func(cmd *cobra.Command, args []string) {
var contractName string
var version string
var infos []cns.Info
var err error
cnsService, err := cns.NewCnsService(RPC)
if err != nil {
fmt.Printf("queryCNS failed, cns.NewCnsService err: %v\n", err)
return
}
contractName = args[0]
if len(args) == 1 {
infos, err = cnsService.QueryCnsByName(contractName)
} else {
version = args[1]
infos, err = cnsService.QueryCnsByNameAndVersion(contractName, version)
}
if err != nil {
fmt.Printf("queryCNS failed, cnsService.QueryCnsByName or cnsService.QueryCnsByNameAndVersion err: %v\n", err)
return
}
if len(args) == 1 && len(infos) == 0 {
fmt.Printf("contract %v is not existed\n", args[0])
} else if len(args) == 2 && len(infos) == 0 {
fmt.Printf("contract %v, version %v is not existed\n", args[0], args[1])
}
// abi info is not printed
for i := 0; i < len(infos); i++ {
fmt.Println("name: " + infos[i].Name + ", version: " + infos[i].Version + ", address: " + infos[i].Address)
}
},
}
var getAddressByContractNameAndVersion = &cobra.Command{
Use: "getAddressByContractNameAndVersion",
Short: "[name] [version] Get address by contract name and version",
Long: `Get address by contract name and version.
Arguments:
[name]: string
[version]: string
For example:
[getAddressByContractNameAndVersion] [HelloWorld] [1.0]
`,
Args: cobra.ExactArgs(2),
Run: func(cmd *cobra.Command, args []string) {
var contractName string
var version string
var err error
cnsService, err := cns.NewCnsService(RPC)
if err != nil {
fmt.Printf("getAddressByContractNameAndVersion failed, cns.NewCnsService err: %v\n", err)
return
}
contractName = args[0]
version = args[1]
address, err := cnsService.GetAddressByContractNameAndVersion(contractName, version)
if err != nil {
fmt.Printf("getAddressByContractNameAndVersion failed, cnsService.GetAddressByContractNameAndVersion err: %v\n", err)
return
}
fmt.Println(address.Hex())
},
}
func init() {
rootCmd.AddCommand(queryCNS, getAddressByContractNameAndVersion)
}