/
store.go
48 lines (40 loc) · 1.83 KB
/
store.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
package v046
import (
"github.com/cosmos/cosmos-sdk/codec"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
"github.com/incubus-network/fanfury-sdk/v2/x/lsnative/staking/types"
)
// MigrateStore performs in-place store migrations from v0.43/v0.44/v0.45 to v0.46.
// The migration includes:
//
// - Setting the MinCommissionRate, ValidatorBondFactor and GlobalLiquidStakingCap params in the paramstore
// - Initializing TotalLiquidStakedTokens to 0
func MigrateStore(ctx sdk.Context, storeKey storetypes.StoreKey, cdc codec.BinaryCodec, paramstore paramtypes.Subspace) error {
migrateParamsStore(ctx, paramstore)
store := ctx.KVStore(storeKey)
migrateTotalLiquidStakedTokens(store, sdk.ZeroInt())
return nil
}
// migrateParamsStore migrates the param store values
func migrateParamsStore(ctx sdk.Context, paramstore paramtypes.Subspace) {
if paramstore.HasKeyTable() {
paramstore.Set(ctx, types.KeyMinCommissionRate, types.DefaultMinCommissionRate)
paramstore.Set(ctx, types.KeyValidatorBondFactor, types.DefaultValidatorBondFactor)
paramstore.Set(ctx, types.KeyGlobalLiquidStakingCap, types.DefaultGlobalLiquidStakingCap)
} else {
paramstore.WithKeyTable(types.ParamKeyTable())
paramstore.Set(ctx, types.KeyMinCommissionRate, types.DefaultMinCommissionRate)
paramstore.Set(ctx, types.KeyValidatorBondFactor, types.DefaultValidatorBondFactor)
paramstore.Set(ctx, types.KeyGlobalLiquidStakingCap, types.DefaultGlobalLiquidStakingCap)
}
}
// migrateTotalLiquidStakedTokens migrates the total outstanding tokens owned by a liquid staking provider
func migrateTotalLiquidStakedTokens(store sdk.KVStore, tokens sdk.Int) {
tokensBz, err := tokens.Marshal()
if err != nil {
panic(err)
}
store.Set(types.TotalLiquidStakedTokensKey, tokensBz)
}