handle upgrade empty params (#101)

beer-1 · web-flow · commit 240904b39c51 · 2024-11-06T12:39:14.000+09:00
diff --git a/app/upgrade.go b/app/upgrade.go
@@ -10,7 +10,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/types/module"
 )
 
-const upgradeName = "0.6.0"
+const upgradeName = "0.6.3"
 
 // RegisterUpgradeHandlers returns upgrade handlers
 func (app *MinitiaApp) RegisterUpgradeHandlers(cfg module.Configurator) {
diff --git a/x/evm/keeper/params.go b/x/evm/keeper/params.go
@@ -19,6 +19,8 @@ func (k Keeper) GasRefundRatio(ctx context.Context) (math.LegacyDec, error) {
 	params, err := k.Params.Get(ctx)
 	if err != nil {
 		return math.LegacyZeroDec(), err
+	} else if params.GasRefundRatio.IsNil() {
+		return math.LegacyZeroDec(), nil
 	}
 
 	return params.GasRefundRatio, nil

Original file line number	Diff line number	Diff line change
`@@ -10,7 +10,7 @@ import (`
`10`	`10`	`"github.com/cosmos/cosmos-sdk/types/module"`
`11`	`11`	`)`
`12`	`12`
`13`		`-const upgradeName = "0.6.0"`
	`13`	`+const upgradeName = "0.6.3"`
`14`	`14`
`15`	`15`	`// RegisterUpgradeHandlers returns upgrade handlers`
`16`	`16`	`func (app *MinitiaApp) RegisterUpgradeHandlers(cfg module.Configurator) {`
Original file line number	Diff line number	Diff line change
`@@ -19,6 +19,8 @@ func (k Keeper) GasRefundRatio(ctx context.Context) (math.LegacyDec, error) {`
`19`	`19`	`params, err := k.Params.Get(ctx)`
`20`	`20`	`if err != nil {`
`21`	`21`	`return math.LegacyZeroDec(), err`
	`22`	`+ } else if params.GasRefundRatio.IsNil() {`
	`23`	`+ return math.LegacyZeroDec(), nil`
`22`	`24`	`}`
`23`	`25`
`24`	`26`	`return params.GasRefundRatio, nil`