61 lines
1.2 KiB
Go
61 lines
1.2 KiB
Go
package storagecontract
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import (
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"github.com/nspcc-dev/neo-go/pkg/interop/iterator"
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"github.com/nspcc-dev/neo-go/pkg/interop/storage"
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)
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// Main is a very useful function.
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func Main(operation string, args []interface{}) interface{} {
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ctx := storage.GetContext()
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// Puts value at key
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if operation == "put" {
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if checkArgs(args, 2) {
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key := args[0].([]byte)
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value := args[1].([]byte)
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storage.Put(ctx, key, value)
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return key
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}
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}
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// Returns the value at passed key
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if operation == "get" {
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if checkArgs(args, 1) {
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key := args[0].([]byte)
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return storage.Get(ctx, key)
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}
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}
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// Deletes the value at passed key
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if operation == "delete" {
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key := args[0].([]byte)
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storage.Delete(ctx, key)
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return true
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}
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// Returns an array of key-value pairs with key that matched the passed value
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if operation == "find" {
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if checkArgs(args, 1) {
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value := args[0].([]byte)
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iter := storage.Find(ctx, value)
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result := []string{}
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for iterator.Next(iter) {
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val := iterator.Value(iter)
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key := iterator.Key(iter)
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result = append(result, key.(string)+":"+val.(string))
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}
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return result
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}
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}
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return false
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}
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func checkArgs(args []interface{}, length int) bool {
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if len(args) == length {
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return true
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}
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return false
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}
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