cosmos-sdk/x/genutil/migrations/v047/migrate.go

41 lines
1.3 KiB
Go

package v047
import (
"github.com/cosmos/cosmos-sdk/client"
bankv4 "github.com/cosmos/cosmos-sdk/x/bank/migrations/v4"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
"github.com/cosmos/cosmos-sdk/x/genutil/types"
v4gov "github.com/cosmos/cosmos-sdk/x/gov/migrations/v4"
v1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1"
)
// Migrate migrates exported state from v0.46 to a v0.47 genesis state.
func Migrate(appState types.AppMap, clientCtx client.Context) types.AppMap {
// Migrate x/bank.
bankState := appState[banktypes.ModuleName]
if len(bankState) > 0 {
var oldBankState *banktypes.GenesisState
clientCtx.Codec.MustUnmarshalJSON(bankState, oldBankState)
newBankState := bankv4.MigrateGenState(oldBankState)
appState[banktypes.ModuleName] = clientCtx.Codec.MustMarshalJSON(newBankState)
}
if govOldState, ok := appState[v4gov.ModuleName]; ok {
// unmarshal relative source genesis application state
var old v1.GenesisState
clientCtx.Codec.MustUnmarshalJSON(govOldState, &old)
// delete deprecated x/gov genesis state
delete(appState, v4gov.ModuleName)
// set the x/gov genesis state with new state.
new, err := v4gov.MigrateJSON(&old)
if err != nil {
panic(err)
}
appState[v4gov.ModuleName] = clientCtx.Codec.MustMarshalJSON(new)
}
return appState
}