fix: fix to prevent external filesystem dependency of simulations

x/wasm/keeper/testdata/reflect.go

@@ -0,0 +1,62 @@
+package testdata
+
+import (
+	_ "embed"
+
+	"github.com/line/lbm-sdk/types"
+	typwasmvmtypes "github.com/line/wasmvm/types"
+)
+
+//go:embed reflect.wasm
+var reflectContract []byte
+
+func ReflectContractWasm() []byte {
+	return reflectContract
+}
+
+// ReflectHandleMsg is used to encode handle messages
+type ReflectHandleMsg struct {
+	Reflect       *ReflectPayload    `json:"reflect_msg,omitempty"`
+	ReflectSubMsg *ReflectSubPayload `json:"reflect_sub_msg,omitempty"`
+	ChangeOwner   *OwnerPayload      `json:"change_owner,omitempty"`
+}
+
+type OwnerPayload struct {
+	Owner types.Address `json:"owner"`
+}
+
+type ReflectPayload struct {
+	Msgs []typwasmvmtypes.CosmosMsg `json:"msgs"`
+}
+
+type ReflectSubPayload struct {
+	Msgs []typwasmvmtypes.SubMsg `json:"msgs"`
+}
+
+// ReflectQueryMsg is used to encode query messages
+type ReflectQueryMsg struct {
+	Owner        *struct{}   `json:"owner,omitempty"`
+	Capitalized  *Text       `json:"capitalized,omitempty"`
+	Chain        *ChainQuery `json:"chain,omitempty"`
+	SubMsgResult *SubCall    `json:"sub_msg_result,omitempty"`
+}
+
+type ChainQuery struct {
+	Request *typwasmvmtypes.QueryRequest `json:"request,omitempty"`
+}
+
+type Text struct {
+	Text string `json:"text"`
+}
+
+type SubCall struct {
+	ID uint64 `json:"id"`
+}
+
+type OwnerResponse struct {
+	Owner string `json:"owner,omitempty"`
+}
+
+type ChainResponse struct {
+	Data []byte `json:"data,omitempty"`
+}

x/wasm/simulation/operations.go

@@ -1,15 +1,16 @@
 package simulation
 
 import (
-	"io/ioutil"
 	"math/rand"
+	"os"
 
 	"github.com/line/lbm-sdk/baseapp"
 	simappparams "github.com/line/lbm-sdk/simapp/params"
 	sdk "github.com/line/lbm-sdk/types"
 	"github.com/line/lbm-sdk/types/module"
 	simtypes "github.com/line/lbm-sdk/types/simulation"
 	"github.com/line/lbm-sdk/x/simulation"
+	"github.com/line/lbm-sdk/x/wasm/keeper/testdata"
 	"github.com/line/lbm-sdk/x/wasm/types"
 )
 
@@ -53,14 +54,19 @@ func WeightedOperations(
 	)
 	simstate.AppParams.GetOrGenerate(simstate.Cdc, OpReflectContractPath, &wasmContractPath, nil,
 		func(_ *rand.Rand) {
-			// simulations are run from the `app` folder
-			wasmContractPath = "../x/wasm/keeper/testdata/reflect.wasm"
+			wasmContractPath = ""
 		},
 	)
 
-	wasmBz, err := ioutil.ReadFile(wasmContractPath)
-	if err != nil {
-		panic(err)
+	var wasmBz []byte
+	if wasmContractPath == "" {
+		wasmBz = testdata.ReflectContractWasm()
+	} else {
+		var err error
+		wasmBz, err = os.ReadFile(wasmContractPath)
+		if err != nil {
+			panic(err)
+		}
 	}
 
 	return simulation.WeightedOperations{