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allprepcache.go
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allprepcache.go
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/*
* Copyright 2021 ICON Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package icstate
import (
"github.com/icon-project/goloop/common/containerdb"
"github.com/icon-project/goloop/common/errors"
"github.com/icon-project/goloop/icon/iiss/icobject"
"github.com/icon-project/goloop/module"
"github.com/icon-project/goloop/service/scoredb"
)
var allPRepArrayPrefix = containerdb.ToKey(
containerdb.HashBuilder,
scoredb.ArrayDBPrefix,
"active_prep",
)
// =====================================================
type AllPRepCache struct {
arraydb *containerdb.ArrayDB
}
// Add add a new active PRep to State
// Duplicated address check MUST BE done before adding
func (c *AllPRepCache) Add(owner module.Address) error {
if owner == nil {
return errors.Errorf("Invalid argument")
}
o := icobject.NewBytesObject(owner.Bytes())
return c.arraydb.Put(o)
}
func (c *AllPRepCache) Size() int {
return c.arraydb.Size()
}
func (c *AllPRepCache) Get(i int) module.Address {
if i < 0 || i >= c.Size() {
return nil
}
return c.arraydb.Get(i).Address()
}
func NewAllPRepCache(store containerdb.ObjectStoreState) *AllPRepCache {
return &AllPRepCache{
arraydb: containerdb.NewArrayDB(store, allPRepArrayPrefix),
}
}