chore: refactor code quality issues (#8932)

Co-authored-by: Amaury <1293565+amaurym@users.noreply.github.com>
Co-authored-by: Alessio Treglia <alessio@tendermint.com>
Co-authored-by: Marko <marbar3778@yahoo.com>

.deepsource.toml

@@ -0,0 +1,20 @@
+version = 1
+
+test_patterns = [
+    "tests/**",
+    "**_test.go"
+]
+
+exclude_patterns = [
+    "third_party/proto/**",
+    "testutil/**",
+    "proto/cosmos/**",
+    "contrib/**"
+]
+
+[[analyzers]]
+name = "go"
+enabled = true
+
+  [analyzers.meta]
+  import_paths = ["github.com/cosmos/cosmos-sdk"]

client/context_test.go

@@ -51,7 +51,7 @@ func TestContext_PrintObject(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t,
 		`{"animal":{"@type":"/testdata.Dog","size":"big","name":"Spot"},"x":"10"}
-`, string(buf.Bytes()))
+`, buf.String())
 
 	// yaml
 	buf = &bytes.Buffer{}
@@ -65,7 +65,7 @@ func TestContext_PrintObject(t *testing.T) {
   name: Spot
   size: big
 x: "10"
-`, string(buf.Bytes()))
+`, buf.String())
 
 	//
 	// amino
@@ -81,7 +81,7 @@ x: "10"
 	require.NoError(t, err)
 	require.Equal(t,
 		`{"type":"testdata/HasAnimal","value":{"animal":{"type":"testdata/Dog","value":{"size":"big","name":"Spot"}},"x":"10"}}
-`, string(buf.Bytes()))
+`, buf.String())
 
 	// yaml
 	buf = &bytes.Buffer{}
@@ -98,7 +98,7 @@ value:
       name: Spot
       size: big
   x: "10"
-`, string(buf.Bytes()))
+`, buf.String())
 }
 
 func TestCLIQueryConn(t *testing.T) {

x/auth/ante/ante_test.go

@@ -903,8 +903,7 @@ func generatePubKeysAndSignatures(n int, msg []byte, _ bool) (pubkeys []cryptoty
 	pubkeys = make([]cryptotypes.PubKey, n)
 	signatures = make([][]byte, n)
 	for i := 0; i < n; i++ {
-		var privkey cryptotypes.PrivKey
-		privkey = secp256k1.GenPrivKey()
+		var privkey cryptotypes.PrivKey = secp256k1.GenPrivKey()
 
 		// TODO: also generate ed25519 keys as below when ed25519 keys are
 		//  actually supported, https://github.com/cosmos/cosmos-sdk/issues/4789

x/auth/client/rest/rest_test.go

@@ -116,7 +116,7 @@ func (s *IntegrationTestSuite) TestEncodeDecode() {
 	err = cdc.UnmarshalJSON(res, &encodeResp)
 	require.NoError(err)
 
-	bz, err = cdc.MarshalJSON(authrest.DecodeReq{Tx: encodeResp.Tx})
+	bz, err = cdc.MarshalJSON(authrest.DecodeReq(encodeResp))
 	require.NoError(err)
 
 	res, err = rest.PostRequest(fmt.Sprintf("%s/txs/decode", val.APIAddress), "application/json", bz)

x/auth/tx/builder_test.go

@@ -40,8 +40,7 @@ func TestTxBuilder(t *testing.T) {
 		Sequence: accSeq,
 	})
 
-	var sig signing.SignatureV2
-	sig = signing.SignatureV2{
+	var sig signing.SignatureV2 = signing.SignatureV2{
 		PubKey: pubkey,
 		Data: &signing.SingleSignatureData{
 			SignMode:  signing.SignMode_SIGN_MODE_DIRECT,

x/distribution/legacy/v043/store_test.go

@@ -90,7 +90,7 @@ func TestStoreMigration(t *testing.T) {
 	for _, tc := range testCases {
 		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
-			if bytes.Compare(tc.oldKey, tc.newKey) != 0 {
+			if !bytes.Equal(tc.oldKey, tc.newKey) {
 				require.Nil(t, store.Get(tc.oldKey))
 			}
 			require.Equal(t, value, store.Get(tc.newKey))

x/gov/legacy/v043/store_test.go

@@ -82,7 +82,7 @@ func TestStoreMigration(t *testing.T) {
 	for _, tc := range testCases {
 		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
-			if bytes.Compare(tc.oldKey, tc.newKey) != 0 {
+			if !bytes.Equal(tc.oldKey, tc.newKey) {
 				require.Nil(t, store.Get(tc.oldKey))
 			}
 			require.Equal(t, tc.newValue, store.Get(tc.newKey))

x/slashing/legacy/v043/store_test.go

@@ -59,7 +59,7 @@ func TestStoreMigration(t *testing.T) {
 	for _, tc := range testCases {
 		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
-			if bytes.Compare(tc.oldKey, tc.newKey) != 0 {
+			if !bytes.Equal(tc.oldKey, tc.newKey) {
 				require.Nil(t, store.Get(tc.oldKey))
 			}
 			require.Equal(t, value, store.Get(tc.newKey))

x/staking/legacy/v043/store_test.go

@@ -128,7 +128,7 @@ func TestStoreMigration(t *testing.T) {
 	for _, tc := range testCases {
 		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
-			if bytes.Compare(tc.oldKey, tc.newKey) != 0 {
+			if !bytes.Equal(tc.oldKey, tc.newKey) {
 				require.Nil(t, store.Get(tc.oldKey))
 			}
 			require.Equal(t, value, store.Get(tc.newKey))