neoneo-go/examples/storage/storage.go

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package storagecontract
import (
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
)
// Main is a very useful function.
func Main(operation string, args []interface{}) interface{} {
ctx := storage.GetContext()
// Puts value at key
if operation == "put" {
if checkArgs(args, 2) {
key := args[0].([]byte)
value := args[1].([]byte)
storage.Put(ctx, key, value)
return key
}
}
// Returns the value at passed key
if operation == "get" {
if checkArgs(args, 1) {
key := args[0].([]byte)
return storage.Get(ctx, key)
}
}
// Deletes the value at passed key
if operation == "delete" {
key := args[0].([]byte)
storage.Delete(ctx, key)
return true
}
// TODO: storage.Find()
return false
}
func checkArgs(args []interface{}, length int) bool {
if len(args) == length {
return true
}
return false
}