0g-chain/x/incentive/migrations/v3/store.go

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package v3
import (
"fmt"
"time"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/store/prefix"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/kava-labs/kava/x/incentive/types"
)
// MigrateStore performs in-place migrations from incentive ConsensusVersion 2 to 3.
func MigrateStore(ctx sdk.Context, storeKey storetypes.StoreKey, cdc codec.BinaryCodec) error {
store := ctx.KVStore(storeKey)
if err := MigrateEarnClaims(store, cdc); err != nil {
return err
}
if err := MigrateAccrualTimes(store, cdc, types.CLAIM_TYPE_EARN); err != nil {
return err
}
if err := MigrateRewardIndexes(store, cdc, types.CLAIM_TYPE_EARN); err != nil {
return err
}
return nil
}
// MigrateEarnClaims migrates earn claims from v2 to v3
func MigrateEarnClaims(store sdk.KVStore, cdc codec.BinaryCodec) error {
newStore := prefix.NewStore(store, types.GetClaimKeyPrefix(types.CLAIM_TYPE_EARN))
oldStore := prefix.NewStore(store, EarnClaimKeyPrefix)
iterator := sdk.KVStorePrefixIterator(oldStore, []byte{})
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var c types.EarnClaim
cdc.MustUnmarshal(iterator.Value(), &c)
if err := c.Validate(); err != nil {
return fmt.Errorf("invalid v2 EarnClaim: %w", err)
}
// Convert to the new Claim type
newClaim := types.NewClaim(
types.CLAIM_TYPE_EARN,
c.Owner,
c.Reward,
c.RewardIndexes,
)
if err := newClaim.Validate(); err != nil {
return fmt.Errorf("invalid v3 EarnClaim: %w", err)
}
// Set in the **newStore** for the new store prefix
newStore.Set(c.Owner, cdc.MustMarshal(&newClaim))
// Remove the old claim in the old store
oldStore.Delete(iterator.Key())
}
return nil
}
// MigrateAccrualTimes migrates accrual times from v2 to v3
func MigrateAccrualTimes(
store sdk.KVStore,
cdc codec.BinaryCodec,
claimType types.ClaimType,
) error {
newStore := prefix.NewStore(store, types.GetPreviousRewardAccrualTimeKeyPrefix(claimType))
// Need prefix.NewStore instead of using it directly in the iterator, as
// there would be an extra space in the key
legacyPrefix := LegacyAccrualTimeKeyFromClaimType(claimType)
oldStore := prefix.NewStore(store, legacyPrefix)
iterator := sdk.KVStorePrefixIterator(oldStore, []byte{})
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var blockTime time.Time
if err := blockTime.UnmarshalBinary(iterator.Value()); err != nil {
panic(err)
}
sourceID := string(iterator.Key())
at := types.NewAccrualTime(claimType, sourceID, blockTime)
if err := at.Validate(); err != nil {
return fmt.Errorf("invalid v3 accrual time for claim type %s: %w", claimType, err)
}
// Set in the **newStore** for the new store prefix
bz := cdc.MustMarshal(&at)
newStore.Set(types.GetKeyFromSourceID(sourceID), bz)
// Remove the old accrual time in the old store
oldStore.Delete(iterator.Key())
}
return nil
}
// MigrateRewardIndexes migrates reward indexes from v2 to v3
func MigrateRewardIndexes(
store sdk.KVStore,
cdc codec.BinaryCodec,
claimType types.ClaimType,
) error {
newStore := prefix.NewStore(store, types.GetRewardIndexesKeyPrefix(claimType))
legacyPrefix := LegacyRewardIndexesKeyFromClaimType(claimType)
oldStore := prefix.NewStore(store, legacyPrefix)
iterator := sdk.KVStorePrefixIterator(oldStore, []byte{})
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var proto types.RewardIndexesProto
cdc.MustUnmarshal(iterator.Value(), &proto)
sourceID := string(iterator.Key())
rewardIndex := types.NewTypedRewardIndexes(
claimType,
sourceID,
proto.RewardIndexes,
)
bz := cdc.MustMarshal(&rewardIndex)
newStore.Set(types.GetKeyFromSourceID(sourceID), bz)
// Remove the old reward indexes in the old store
oldStore.Delete(iterator.Key())
}
return nil
}