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validatorSaveLoad.go
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/
validatorSaveLoad.go
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package systemSmartContracts
import (
"bytes"
"fmt"
"math/big"
"github.com/ElrondNetwork/elrond-go/common"
vmcommon "github.com/ElrondNetwork/elrond-vm-common"
)
func (v *validatorSC) setConfig(args *vmcommon.ContractCallInput) vmcommon.ReturnCode {
ownerAddress := v.eei.GetStorage([]byte(ownerKey))
if !bytes.Equal(ownerAddress, args.CallerAddr) {
v.eei.AddReturnMessage("setConfig function was not called by the owner address")
return vmcommon.UserError
}
if len(args.Arguments) != 6 {
retMessage := fmt.Sprintf("setConfig function called with wrong number of arguments expected %d, got %d", 7, len(args.Arguments))
v.eei.AddReturnMessage(retMessage)
return vmcommon.UserError
}
validatorConfig := &ValidatorConfig{
MinStakeValue: big.NewInt(0).SetBytes(args.Arguments[0]),
TotalSupply: big.NewInt(0).SetBytes(args.Arguments[1]),
MinStep: big.NewInt(0).SetBytes(args.Arguments[2]),
NodePrice: big.NewInt(0).SetBytes(args.Arguments[3]),
UnJailPrice: big.NewInt(0).SetBytes(args.Arguments[4]),
}
code := v.verifyConfig(validatorConfig)
if code != vmcommon.Ok {
return code
}
configData, err := v.marshalizer.Marshal(validatorConfig)
if err != nil {
v.eei.AddReturnMessage("setConfig marshal validatorConfig error")
return vmcommon.UserError
}
epochBytes := args.Arguments[5]
v.eei.SetStorage(epochBytes, configData)
return vmcommon.Ok
}
func (v *validatorSC) getConfig(epoch uint32) ValidatorConfig {
epochKey := big.NewInt(int64(epoch)).Bytes()
configData := v.eei.GetStorage(epochKey)
if len(configData) == 0 {
return v.baseConfig
}
validatorConfig := &ValidatorConfig{}
err := v.marshalizer.Unmarshal(validatorConfig, configData)
if err != nil {
log.Warn("unmarshal error on getConfig function, returning baseConfig",
"error", err.Error(),
)
return v.baseConfig
}
if v.checkConfigCorrectness(*validatorConfig) != nil {
baseConfigData, errMarshal := v.marshalizer.Marshal(&v.baseConfig)
if errMarshal != nil {
log.Warn("marshal error on getConfig function, returning baseConfig", "error", errMarshal)
return v.baseConfig
}
v.eei.SetStorage(epochKey, baseConfigData)
return v.baseConfig
}
return *validatorConfig
}
func (v *validatorSC) getOrCreateRegistrationData(key []byte) (*ValidatorDataV2, error) {
data := v.eei.GetStorage(key)
registrationData := &ValidatorDataV2{
RewardAddress: nil,
RegisterNonce: 0,
Epoch: 0,
BlsPubKeys: nil,
TotalStakeValue: big.NewInt(0),
LockedStake: big.NewInt(0),
MaxStakePerNode: big.NewInt(0),
TotalUnstaked: big.NewInt(0),
UnstakedInfo: make([]*UnstakedValue, 0),
}
if len(data) > 0 {
err := v.marshalizer.Unmarshal(registrationData, data)
if err != nil {
log.Debug("unmarshal error on validator SC stake function",
"error", err.Error(),
)
return nil, err
}
}
if registrationData.TotalUnstaked == nil {
registrationData.TotalUnstaked = big.NewInt(0)
}
if registrationData.UnstakedInfo == nil {
registrationData.UnstakedInfo = make([]*UnstakedValue, 0)
}
return registrationData, nil
}
func (v *validatorSC) saveRegistrationData(key []byte, validator *ValidatorDataV2) error {
if !v.flagEnableTopUp.IsSet() {
return v.saveRegistrationDataV1(key, validator)
}
data, err := v.marshalizer.Marshal(validator)
if err != nil {
log.Debug("marshal error on staking SC stake function in saveRegistrationData",
"error", err.Error(),
)
return err
}
v.eei.SetStorage(key, data)
return nil
}
func (v *validatorSC) saveRegistrationDataV1(key []byte, validator *ValidatorDataV2) error {
validatorDataV1 := &ValidatorDataV1{
RegisterNonce: validator.RegisterNonce,
Epoch: validator.Epoch,
RewardAddress: validator.RewardAddress,
TotalStakeValue: validator.TotalStakeValue,
LockedStake: validator.LockedStake,
MaxStakePerNode: validator.MaxStakePerNode,
BlsPubKeys: validator.BlsPubKeys,
NumRegistered: validator.NumRegistered,
}
data, err := v.marshalizer.Marshal(validatorDataV1)
if err != nil {
log.Debug("marshal error on staking SC stake function in saveRegistrationDataV1",
"error", err.Error(),
)
return err
}
v.eei.SetStorage(key, data)
return nil
}
func (v *validatorSC) getStakedData(key []byte) (*StakedDataV2_0, error) {
data := v.eei.GetStorageFromAddress(v.stakingSCAddress, key)
stakedData := &StakedDataV2_0{
RegisterNonce: 0,
Staked: false,
UnStakedNonce: 0,
UnStakedEpoch: common.DefaultUnstakedEpoch,
RewardAddress: nil,
StakeValue: big.NewInt(0),
SlashValue: big.NewInt(0),
}
if len(data) > 0 {
err := v.marshalizer.Unmarshal(stakedData, data)
if err != nil {
log.Debug("unmarshal error on validator SC getStakedData function",
"error", err.Error(),
)
return nil, err
}
if stakedData.SlashValue == nil {
stakedData.SlashValue = big.NewInt(0)
}
}
return stakedData, nil
}