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distr_staking.go
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distr_staking.go
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package keeper
import (
errorsmod "cosmossdk.io/errors"
"github.com/cosmos/cosmos-sdk/codec"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
distrtypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/ethereum/go-ethereum/common"
"github.com/functionx/fx-core/v7/x/migrate/types"
)
type DistrStakingMigrate struct {
distrKey storetypes.StoreKey
stakingKey storetypes.StoreKey
stakingKeeper types.StakingKeeper
}
func NewDistrStakingMigrate(distrKey, stakingKey storetypes.StoreKey, stakingKeeper types.StakingKeeper) MigrateI {
return &DistrStakingMigrate{
distrKey: distrKey,
stakingKey: stakingKey,
stakingKeeper: stakingKeeper,
}
}
func (m *DistrStakingMigrate) Validate(ctx sdk.Context, _ codec.BinaryCodec, from sdk.AccAddress, to common.Address) error {
// check validator
if _, found := m.stakingKeeper.GetValidator(ctx, sdk.ValAddress(from)); found {
return errorsmod.Wrapf(types.ErrInvalidAddress, "can not migrate, %s is the validator address", from.String())
}
if _, found := m.stakingKeeper.GetValidator(ctx, to.Bytes()); found {
return errorsmod.Wrapf(types.ErrInvalidAddress, "can not migrate, %s is the validator address", to.String())
}
// check delegation
if delegations := m.stakingKeeper.GetDelegatorDelegations(ctx, to.Bytes(), 1); len(delegations) > 0 {
return errorsmod.Wrapf(types.ErrInvalidAddress, "can not migrate, address %s has delegation record", to.String())
}
// check undelegatetion
undelegations := m.stakingKeeper.GetUnbondingDelegations(ctx, to.Bytes(), 1)
if len(undelegations) > 0 {
return errorsmod.Wrapf(types.ErrInvalidAddress, "can not migrate, address %s has undelegate record", to.String())
}
// check redelegation
redelegations := m.stakingKeeper.GetRedelegations(ctx, to.Bytes(), 1)
if len(redelegations) > 0 {
return errorsmod.Wrapf(types.ErrInvalidAddress, "can not migrate, address %s has redelegation record", to.String())
}
return nil
}
//gocyclo:ignore
func (m *DistrStakingMigrate) Execute(ctx sdk.Context, cdc codec.BinaryCodec, from sdk.AccAddress, to common.Address) error {
stakingStore := ctx.KVStore(m.stakingKey)
distrStore := ctx.KVStore(m.distrKey)
events := make([]sdk.Event, 0, 10)
// migrate delegate info
delegateIterator := sdk.KVStorePrefixIterator(stakingStore, stakingtypes.GetDelegationsKey(from))
defer delegateIterator.Close()
for ; delegateIterator.Valid(); delegateIterator.Next() {
info := stakingtypes.MustUnmarshalDelegation(cdc, delegateIterator.Value())
// distribution starting info
key := distrtypes.GetDelegatorStartingInfoKey(info.GetValidatorAddr(), from)
startingInfo := distrStore.Get(key)
distrStore.Delete(key)
distrStore.Set(distrtypes.GetDelegatorStartingInfoKey(info.GetValidatorAddr(), to.Bytes()), startingInfo)
// staking delegate
info.DelegatorAddress = sdk.AccAddress(to.Bytes()).String()
stakingStore.Delete(delegateIterator.Key())
stakingStore.Set(stakingtypes.GetDelegationKey(to.Bytes(), info.GetValidatorAddr()), stakingtypes.MustMarshalDelegation(cdc, info))
events = append(events,
sdk.NewEvent(
types.EventTypeMigrateStakingDelegate,
sdk.NewAttribute(types.AttributeKeyValidatorAddr, info.GetValidatorAddr().String()),
),
)
}
// migrate unbonding delegation
unbondingDelegationIterator := sdk.KVStorePrefixIterator(stakingStore, stakingtypes.GetUBDsKey(from))
defer unbondingDelegationIterator.Close()
for ; unbondingDelegationIterator.Valid(); unbondingDelegationIterator.Next() {
ubd := stakingtypes.MustUnmarshalUBD(cdc, unbondingDelegationIterator.Value())
ubd.DelegatorAddress = sdk.AccAddress(to.Bytes()).String()
valAddr, err := sdk.ValAddressFromBech32(ubd.ValidatorAddress)
if err != nil {
panic(err)
}
stakingStore.Delete(unbondingDelegationIterator.Key())
stakingStore.Set(stakingtypes.GetUBDKey(to.Bytes(), valAddr), stakingtypes.MustMarshalUBD(cdc, ubd))
stakingStore.Delete(stakingtypes.GetUBDByValIndexKey(from, valAddr))
stakingStore.Set(stakingtypes.GetUBDByValIndexKey(to.Bytes(), valAddr), []byte{})
// migrate unbonding queue
for _, entry := range ubd.Entries {
var ubdFlag bool
UBDQueue := m.stakingKeeper.GetUBDQueueTimeSlice(ctx, entry.CompletionTime)
for i := range UBDQueue {
if UBDQueue[i].DelegatorAddress == from.String() {
UBDQueue[i].DelegatorAddress = sdk.AccAddress(to.Bytes()).String()
ubdFlag = true
}
}
if ubdFlag {
key := stakingtypes.GetUnbondingDelegationTimeKey(entry.CompletionTime)
value := cdc.MustMarshal(&stakingtypes.DVPairs{Pairs: UBDQueue})
stakingStore.Set(key, value)
}
}
events = append(events,
sdk.NewEvent(
types.EventTypeMigrateStakingUndelegate,
sdk.NewAttribute(types.AttributeKeyValidatorAddr, valAddr.String()),
),
)
}
// migrate redelegate
redelegateIterator := sdk.KVStorePrefixIterator(stakingStore, stakingtypes.GetREDsKey(from))
defer redelegateIterator.Close()
for ; redelegateIterator.Valid(); redelegateIterator.Next() {
red := stakingtypes.MustUnmarshalRED(cdc, redelegateIterator.Value())
red.DelegatorAddress = sdk.AccAddress(to.Bytes()).String()
valSrcAddr, err := sdk.ValAddressFromBech32(red.ValidatorSrcAddress)
if err != nil {
panic(err)
}
valDstAddr, err := sdk.ValAddressFromBech32(red.ValidatorDstAddress)
if err != nil {
panic(err)
}
stakingStore.Delete(redelegateIterator.Key())
stakingStore.Set(stakingtypes.GetREDKey(to.Bytes(), valSrcAddr, valDstAddr), stakingtypes.MustMarshalRED(cdc, red))
stakingStore.Delete(stakingtypes.GetREDByValSrcIndexKey(from, valSrcAddr, valDstAddr))
stakingStore.Set(stakingtypes.GetREDByValSrcIndexKey(to.Bytes(), valSrcAddr, valDstAddr), []byte{})
stakingStore.Delete(stakingtypes.GetREDByValDstIndexKey(from, valSrcAddr, valDstAddr))
stakingStore.Set(stakingtypes.GetREDByValDstIndexKey(to.Bytes(), valSrcAddr, valDstAddr), []byte{})
// migrate redelegate queue
for _, entry := range red.Entries {
var redFlag bool
redQueue := m.stakingKeeper.GetRedelegationQueueTimeSlice(ctx, entry.CompletionTime)
for i := range redQueue {
if redQueue[i].DelegatorAddress == from.String() {
redQueue[i].DelegatorAddress = sdk.AccAddress(to.Bytes()).String()
redFlag = true
}
}
if redFlag {
key := stakingtypes.GetRedelegationTimeKey(entry.CompletionTime)
value := cdc.MustMarshal(&stakingtypes.DVVTriplets{Triplets: redQueue})
stakingStore.Set(key, value)
}
}
events = append(events,
sdk.NewEvent(
types.EventTypeMigrateStakingRedelegate,
sdk.NewAttribute(types.AttributeKeyValidatorSrcAddr, valSrcAddr.String()),
sdk.NewAttribute(types.AttributeKeyValidatorDstAddr, valDstAddr.String()),
),
)
}
if len(events) > 0 {
ctx.EventManager().EmitEvents(events)
}
return nil
}