* added default params for x/machine/params (#310)

Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com>

testutil/keeper/machine.go

@@ -63,7 +63,7 @@ func MachineKeeper(t testing.TB) (*keeper.Keeper, sdk.Context) {
 	ctx := sdk.NewContext(stateStore, tmproto.Header{}, false, log.NewNopLogger())
 
 	// Initialize params
-	k.SetParams(ctx, types.DefaultParams())
+	_ = k.SetParams(ctx, types.DefaultParams())
 
 	return k, ctx
 }

x/machine/genesis.go

@@ -9,7 +9,7 @@ import (
 // InitGenesis initializes the module's state from a provided genesis state.
 func InitGenesis(ctx sdk.Context, k keeper.Keeper, genState types.GenesisState) {
 	// this line is used by starport scaffolding # genesis/module/init
-	k.SetParams(ctx, genState.Params)
+	_ = k.SetParams(ctx, genState.Params)
 }
 
 // ExportGenesis returns the module's exported genesis

x/machine/keeper/params.go

@@ -6,11 +6,27 @@ import (
 )
 
 // GetParams get all parameters as types.Params
-func (k Keeper) GetParams(_ sdk.Context) types.Params {
-	return types.NewParams()
+func (k Keeper) GetParams(ctx sdk.Context) (params types.Params) {
+	store := ctx.KVStore(k.storeKey)
+	bz := store.Get(types.KeyPrefix(types.ParamsKey))
+	if bz == nil {
+		return params
+	}
+	k.cdc.MustUnmarshal(bz, &params)
+	return params
 }
 
 // SetParams set the params
-func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
-	k.paramstore.SetParamSet(ctx, &params)
+func (k Keeper) SetParams(ctx sdk.Context, params types.Params) error {
+	if err := params.Validate(); err != nil {
+		return err
+	}
+	store := ctx.KVStore(k.storeKey)
+	bz, err := k.cdc.Marshal(&params)
+	if err != nil {
+		return err
+	}
+	store.Set(types.KeyPrefix(types.ParamsKey), bz)
+
+	return nil
 }

x/machine/keeper/params_test.go

@@ -13,7 +13,9 @@ func TestGetParams(t *testing.T) {
 	k, ctx := testkeeper.MachineKeeper(t)
 	params := types.DefaultParams()
 
-	k.SetParams(ctx, params)
+	err := k.SetParams(ctx, params)
+
+	require.NoError(t, err)
 
 	require.EqualValues(t, params, k.GetParams(ctx))
 }

x/machine/keeper/query_params_test.go

@@ -14,7 +14,8 @@ func TestParamsQuery(t *testing.T) {
 	keeper, ctx := testkeeper.MachineKeeper(t)
 	wctx := sdk.WrapSDKContext(ctx)
 	params := types.DefaultParams()
-	keeper.SetParams(ctx, params)
+	err := keeper.SetParams(ctx, params)
+	require.NoError(t, err)
 
 	response, err := keeper.Params(wctx, &types.QueryParamsRequest{})
 	require.NoError(t, err)

x/machine/types/keys.go

@@ -26,6 +26,8 @@ const (
 	AddressIndexKey = "Machine/address"
 
 	LiquidAssetKey = "Machine/LiquidAsset/"
+
+	ParamsKey = "Machine/Params"
 )
 
 func KeyPrefix(p string) []byte {

x/machine/types/params.go

@@ -13,13 +13,17 @@ func ParamKeyTable() paramtypes.KeyTable {
 }
 
 // NewParams creates a new Params instance
-func NewParams() Params {
-	return Params{}
+func NewParams(assetRegistryScheme string, assetRegistryDomain string, assetRegistryPath string) Params {
+	return Params{
+		AssetRegistryScheme: assetRegistryScheme,
+		AssetRegistryDomain: assetRegistryDomain,
+		AssetRegistryPath:   assetRegistryPath,
+	}
 }
 
 // DefaultParams returns a default set of parameters
 func DefaultParams() Params {
-	return NewParams()
+	return NewParams("https", "testnet-assets.rddl.io", "register_asset")
 }
 
 // ParamSetPairs get the params.ParamSet