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start.go
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start.go
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package cmd
import (
"fmt"
"github.com/CosmWasm/wasmd/x/wasm"
wasmvmapi "github.com/CosmWasm/wasmvm/api"
"github.com/spf13/cobra"
)
var LibwasmVersion = "1.0.0"
func CheckLibwasmVersion(cmd *cobra.Command, args []string) error {
version, err := wasmvmapi.LibwasmvmVersion()
if err != nil {
return fmt.Errorf("unable to retrieve libwasmversion %w", err)
}
if version != LibwasmVersion {
return fmt.Errorf("libwasmversion mismatch. got: %s; expected: %s", version, LibwasmVersion)
}
return nil
}
func CustomStart(startCmd *cobra.Command) {
wasm.AddModuleInitFlags(startCmd)
startCmd.PreRunE = chainPreRuns(CheckLibwasmVersion, startCmd.PreRunE)
}
type preRunFn func(cmd *cobra.Command, args []string) error
func chainPreRuns(pfns ...preRunFn) preRunFn {
return func(cmd *cobra.Command, args []string) error {
for _, pfn := range pfns {
if pfn != nil {
if err := pfn(cmd, args); err != nil {
return err
}
}
}
return nil
}
}