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migrationadmin.go
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/
migrationadmin.go
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/*
*
* Copyright 2019. Insolar Technologies GmbH
*
* 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 migrationadmin
import (
"fmt"
"strings"
"github.com/pkg/errors"
"github.com/insolar/insolar/insolar"
"github.com/insolar/insolar/logicrunner/builtin/foundation"
"github.com/insolar/insolar/logicrunner/builtin/proxy/migrationdaemon"
"github.com/insolar/insolar/logicrunner/builtin/proxy/migrationshard"
)
// MigrationAdmin manage and change status for migration daemon.
type MigrationAdmin struct {
foundation.BaseContract
MigrationAdminMember insolar.Reference
MigrationAddressShards []insolar.Reference
VestingParams *VestingParams
}
type VestingParams struct {
Lockup int64 `json:"lockupInPulses"`
Vesting int64 `json:"vestingInPulses"`
VestingStep int64 `json:"vestingStepInPulses"`
}
type CheckDaemonResponse struct {
Status string `json:"status"`
}
const (
StatusActive = "active"
StatusInactivate = "inactive"
)
//Call internal function migration admin from api.
func (mA *MigrationAdmin) MigrationAdminCall(params map[string]interface{}, nameMethod string, caller insolar.Reference) (interface{}, error) {
switch nameMethod {
case "addAddresses":
return mA.addMigrationAddressesCall(params, caller)
case "activateDaemon":
return mA.activateDaemonCall(params, caller)
case "deactivateDaemon":
return mA.deactivateDaemonCall(params, caller)
case "checkDaemon":
return mA.checkDaemonCall(params, caller)
}
return nil, fmt.Errorf("unknown method: migration.'%s'", nameMethod)
}
func (mA *MigrationAdmin) getMigrationDamon(params map[string]interface{}, caller insolar.Reference) (*migrationdaemon.MigrationDaemon, error) {
migrationDaemonMember, ok := params["reference"].(string)
if !ok && len(migrationDaemonMember) == 0 {
return nil, fmt.Errorf("incorect input: failed to get 'reference' param")
}
migrationDaemonContractRef, err := mA.GetMigrationDaemonByMemberRef(migrationDaemonMember)
if err != nil {
return nil, err
}
migrationDaemonContract := migrationdaemon.GetObject(migrationDaemonContractRef)
return migrationDaemonContract, nil
}
func (mA *MigrationAdmin) activateDaemonCall(params map[string]interface{}, caller insolar.Reference) (interface{}, error) {
if caller != mA.MigrationAdminMember {
return nil, fmt.Errorf("only migration admin can activate migration demons")
}
migrationDaemonContract, err := mA.getMigrationDamon(params, caller)
if err != nil {
return nil, err
}
status, err := migrationDaemonContract.GetActivationStatus()
if err != nil {
return nil, err
}
if status {
return nil, fmt.Errorf("daemon member already activated")
}
err = migrationDaemonContract.SetActivationStatus(true)
return nil, err
}
func (mA *MigrationAdmin) deactivateDaemonCall(params map[string]interface{}, memberRef insolar.Reference) (interface{}, error) {
if memberRef != mA.MigrationAdminMember {
return nil, fmt.Errorf("only migration admin can deactivate migration demons")
}
migrationDaemonContract, err := mA.getMigrationDamon(params, memberRef)
if err != nil {
return nil, err
}
status, err := migrationDaemonContract.GetActivationStatus()
if err != nil {
return nil, err
}
if !status {
return nil, fmt.Errorf("daemon member already deactivated")
}
err = migrationDaemonContract.SetActivationStatus(false)
return nil, err
}
func (mA *MigrationAdmin) addMigrationAddressesCall(params map[string]interface{}, memberRef insolar.Reference) (interface{}, error) {
migrationAddresses, ok := params["migrationAddresses"].([]interface{})
if !ok {
return nil, fmt.Errorf("incorect input: failed to get 'migrationAddresses' param")
}
if memberRef != mA.MigrationAdminMember {
return nil, fmt.Errorf("only migration daemon admin can call this method")
}
migrationAddressesStr := make([]string, len(migrationAddresses))
for i, ba := range migrationAddresses {
migrationAddress, ok := ba.(string)
if !ok {
return nil, fmt.Errorf("failed to 'migrationAddresses' param")
}
migrationAddressesStr[i] = migrationAddress
}
err := mA.addMigrationAddresses(migrationAddressesStr)
if err != nil {
return nil, fmt.Errorf("failed to add migration address: %s", err.Error())
}
return nil, nil
}
func (mA *MigrationAdmin) checkDaemonCall(params map[string]interface{}, caller insolar.Reference) (interface{}, error) {
if caller != mA.MigrationAdminMember && !foundation.IsMigrationDaemonMember(caller) {
return nil, fmt.Errorf("permission denied to information about migration daemons")
}
migrationDaemonContract, err := mA.getMigrationDamon(params, caller)
if err != nil {
return nil, err
}
status, err := migrationDaemonContract.GetActivationStatus()
if err != nil {
return nil, err
}
if status {
return CheckDaemonResponse{Status: StatusActive}, nil
}
return CheckDaemonResponse{Status: StatusInactivate}, nil
}
func (mA *MigrationAdmin) GetDepositParameters() (*VestingParams, error) {
return mA.VestingParams, nil
}
// GetMigrationDaemonByMemberRef get migration daemon contract with reference on MigrationDaemonMember.
// ins:immutable
func (mA *MigrationAdmin) GetMigrationDaemonByMemberRef(memberRef string) (insolar.Reference, error) {
migrationDaemonMemberRef, err := insolar.NewObjectReferenceFromBase58(memberRef)
if err != nil {
return insolar.Reference{}, fmt.Errorf(" failed to parse params.Reference")
}
migrationDaemonContractRef, err := foundation.GetMigrationDaemon(*migrationDaemonMemberRef)
if err != nil {
return insolar.Reference{}, fmt.Errorf(" get migration daemon contract from foundation failed, %s ", err.Error())
}
if migrationDaemonContractRef.IsEmpty() {
return insolar.Reference{}, fmt.Errorf("the member is not migration daemon")
}
return migrationDaemonContractRef, nil
}
// GetMemberByMigrationAddress gets member reference by burn address.
// ins:immutable
func (mA *MigrationAdmin) GetMemberByMigrationAddress(migrationAddress string) (*insolar.Reference, error) {
trimmedMigrationAddress := foundation.TrimAddress(migrationAddress)
i := foundation.GetShardIndex(trimmedMigrationAddress, len(mA.MigrationAddressShards))
if i >= len(mA.MigrationAddressShards) {
return nil, fmt.Errorf("incorect shard index")
}
s := migrationshard.GetObject(mA.MigrationAddressShards[i])
refStr, err := s.GetRef(trimmedMigrationAddress)
if err != nil {
return nil, errors.Wrap(err, "failed to get reference in shard")
}
ref, err := insolar.NewObjectReferenceFromBase58(refStr)
if err != nil {
return nil, errors.Wrap(err, "bad member reference for this migration address")
}
return ref, nil
}
// AddMigrationAddresses adds migration addresses to list.
// ins:immutable
func (mA *MigrationAdmin) addMigrationAddresses(migrationAddresses []string) error {
newMA := make([][]string, len(mA.MigrationAddressShards))
for _, ma := range migrationAddresses {
if foundation.IsEthereumAddress(ma) {
trimmedMigrationAddress := foundation.TrimAddress(ma)
i := foundation.GetShardIndex(trimmedMigrationAddress, len(mA.MigrationAddressShards))
if i >= len(newMA) {
return fmt.Errorf("incorect migration shard index")
}
newMA[i] = append(newMA[i], trimmedMigrationAddress)
}
}
for i, ma := range newMA {
if len(ma) == 0 {
continue
}
s := migrationshard.GetObject(mA.MigrationAddressShards[i])
err := s.AddFreeMigrationAddresses(ma)
if err != nil {
return errors.New("failed to add migration addresses to shard")
}
}
return nil
}
// AddMigrationAddress adds migration address to list.
// ins:immutable
func (mA *MigrationAdmin) addMigrationAddress(migrationAddress string) error {
trimmedMigrationAddress := foundation.TrimAddress(migrationAddress)
i := foundation.GetShardIndex(trimmedMigrationAddress, len(mA.MigrationAddressShards))
if i >= len(mA.MigrationAddressShards) {
return fmt.Errorf("incorect migration shard index")
}
s := migrationshard.GetObject(mA.MigrationAddressShards[i])
err := s.AddFreeMigrationAddresses([]string{trimmedMigrationAddress})
if err != nil {
return errors.New("failed to add migration address to shard")
}
return nil
}
// GetFreeMigrationAddress return free migration address for new user.
// ins:immutable
func (mA *MigrationAdmin) GetFreeMigrationAddress(publicKey string) (string, error) {
trimmedPublicKey := foundation.TrimPublicKey(publicKey)
shardIndex := foundation.GetShardIndex(trimmedPublicKey, len(mA.MigrationAddressShards))
if shardIndex >= len(mA.MigrationAddressShards) {
return "", fmt.Errorf("incorect migration address shard index")
}
for i := shardIndex; i < len(mA.MigrationAddressShards); i++ {
mas := migrationshard.GetObject(mA.MigrationAddressShards[i])
ma, err := mas.GetFreeMigrationAddress()
if err == nil {
return ma, nil
}
if err != nil {
if !strings.Contains(err.Error(), "no more migration address left") {
return "", errors.Wrap(err, "failed to set reference in migration address shard")
}
}
}
for i := 0; i < shardIndex; i++ {
mas := migrationshard.GetObject(mA.MigrationAddressShards[i])
ma, err := mas.GetFreeMigrationAddress()
if err == nil {
return ma, nil
}
if err != nil {
if !strings.Contains(err.Error(), "no more migration address left") {
return "", errors.Wrap(err, "failed to set reference in migration address shard")
}
}
}
return "", errors.New("no more migration addresses left in any shard")
}
// AddNewMemberToMaps adds new member to MigrationAddressMap.
func (mA *MigrationAdmin) AddNewMigrationAddressToMaps(migrationAddress string, memberRef insolar.Reference) error {
trimmedMigrationAddress := foundation.TrimAddress(migrationAddress)
shardIndex := foundation.GetShardIndex(trimmedMigrationAddress, len(mA.MigrationAddressShards))
if shardIndex >= len(mA.MigrationAddressShards) {
return fmt.Errorf("incorect migration address shard index")
}
mas := migrationshard.GetObject(mA.MigrationAddressShards[shardIndex])
err := mas.SetRef(migrationAddress, memberRef.String())
if err != nil {
return errors.Wrap(err, "failed to set reference in migration address shard")
}
return nil
}