chore: update the default params for evidence and slashing

celestiaorg · Sep 4, 2023 · 96a5f38 · 96a5f38
1 parent 80ecd21
commit 96a5f38
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Showing 2 changed files with 23 additions and 1 deletion.
diff --git a/app/app.go b/app/app.go
@@ -148,7 +148,7 @@ var (
 		newGovModule(),
 		params.AppModuleBasic{},
 		crisisModule{},
-		slashing.AppModuleBasic{},
+		slashingModule{},
 		authzmodule.AppModuleBasic{},
 		feegrantmodule.AppModuleBasic{},
 		ibc.AppModuleBasic{},

diff --git a/app/default_overrides.go b/app/default_overrides.go
@@ -20,6 +20,8 @@ import (
 	govclient "github.com/cosmos/cosmos-sdk/x/gov/client"
 	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types/v1"
 	paramsclient "github.com/cosmos/cosmos-sdk/x/params/client"
+	"github.com/cosmos/cosmos-sdk/x/slashing"
+	slashingtypes "github.com/cosmos/cosmos-sdk/x/slashing/types"
 	"github.com/cosmos/cosmos-sdk/x/staking"
 	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
 	ibcclientclient "github.com/cosmos/ibc-go/v6/modules/core/02-client/client"
@@ -81,6 +83,26 @@ func (stakingModule) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
 	})
 }
 
+// stakingModule wraps the x/staking module in order to overwrite specific
+// ModuleManager APIs.
+type slashingModule struct {
+	slashing.AppModuleBasic
+}
+
+// DefaultGenesis returns custom x/staking module genesis state.
+func (slashingModule) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
+	params := slashingtypes.DefaultParams()
+	params.MinSignedPerWindow = sdk.NewDecWithPrec(5, 2) // 5%
+	params.SignedBlocksWindow = 15000
+	params.DowntimeJailDuration = time.Minute * 1
+	params.SlashFractionDoubleSign = sdk.NewDecWithPrec(5, 2) // 5%
+	params.SlashFractionDowntime = sdk.NewDecWithPrec(1, 2)   // 1%
+
+	return cdc.MustMarshalJSON(&slashingtypes.GenesisState{
+		Params: params,
+	})
+}
+
 type crisisModule struct {
 	crisis.AppModuleBasic
 }