56 lines
1.3 KiB
Go
56 lines
1.3 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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// ctx holds storage context for contract methods
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var ctx storage.Context
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// defaultKey represents the default key.
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var defaultKey = []byte("default")
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// init inits storage context before any other contract method is called
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func init() {
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ctx = storage.GetContext()
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}
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// Put puts the value at the key.
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func Put(key, value []byte) []byte {
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storage.Put(ctx, key, value)
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return key
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}
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// PutDefault puts the value to the default key.
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func PutDefault(value []byte) []byte {
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storage.Put(ctx, defaultKey, value)
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return defaultKey
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}
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// Get returns the value at the passed key.
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func Get(key []byte) interface{} {
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return storage.Get(ctx, key)
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}
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// GetDefault returns the value at the default key.
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func GetDefault() interface{} {
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return storage.Get(ctx, defaultKey)
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}
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// Delete deletes the value at the passed key.
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func Delete(key []byte) bool {
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storage.Delete(ctx, key)
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return true
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}
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// Find returns an array of key-value pairs with the key that matches the passed value.
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func Find(value []byte) []string {
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iter := storage.Find(ctx, value, storage.None)
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result := []string{}
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for iterator.Next(iter) {
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val := iterator.Value(iter).([]string)
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result = append(result, val[0]+":"+val[1])
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}
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return result
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}
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