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nodedomain.go
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nodedomain.go
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/*
* Copyright 2019 Insolar Technologies
*
* 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 nodedomain
import (
"fmt"
"github.com/insolar/insolar/application/proxy/noderecord"
"github.com/insolar/insolar/application/proxy/rootdomain"
"github.com/insolar/insolar/core"
"github.com/insolar/insolar/logicrunner/goplugin/foundation"
)
// NodeDomain holds noderecords
type NodeDomain struct {
foundation.BaseContract
NodeIndexPK map[string]string
}
// NewNodeDomain create new NodeDomain
func NewNodeDomain() (*NodeDomain, error) {
return &NodeDomain{
NodeIndexPK: make(map[string]string),
}, nil
}
func (nd *NodeDomain) getNodeRecord(ref core.RecordRef) *noderecord.NodeRecord {
return noderecord.GetObject(ref)
}
// RegisterNode registers node in system
func (nd *NodeDomain) RegisterNode(publicKey string, role string) (string, error) {
root, err := rootdomain.GetObject(*nd.GetContext().Parent).GetRootMemberRef()
if err != nil {
return "", fmt.Errorf("[ RegisterNode ] Couldn't get root member reference: %s", err.Error())
}
if *nd.GetContext().Caller != *root {
return "", fmt.Errorf("[ RegisterNode ] Only Root member can register node")
}
newNode := noderecord.NewNodeRecord(publicKey, role)
node, err := newNode.AsChild(nd.GetReference())
if err != nil {
return "", fmt.Errorf("[ RegisterNode ] Can't save as child: %s", err.Error())
}
newNodeRef := node.GetReference().String()
nd.NodeIndexPK[publicKey] = newNodeRef
return newNodeRef, err
}
// GetNodeRefByPK returns node ref
func (nd *NodeDomain) GetNodeRefByPK(publicKey string) (string, error) {
nodeRef, ok := nd.NodeIndexPK[publicKey]
if !ok {
return nodeRef, fmt.Errorf("[ GetNodeRefByPK ] Node not found by PK: %s", publicKey)
}
return nodeRef, nil
}
// RemoveNode deletes node from registry
func (nd *NodeDomain) RemoveNode(nodeRef core.RecordRef) error {
node := nd.getNodeRecord(nodeRef)
nodePK, err := node.GetPublicKey()
if err != nil {
return fmt.Errorf("[ RemoveNode ] Node not found by PK: %s", nodePK)
}
delete(nd.NodeIndexPK, nodePK)
return node.Destroy()
}