chore(nodebuilder/state): SubmitTx endpoint takes read-level permissi…

…ons (#3072)

<!--
Thank you for submitting a pull request!

Please make sure you have reviewed our contributors guide before
submitting your
first PR.

Please ensure you've addressed or included references to any related
issues.

Tips:
- Use keywords like "closes" or "fixes" followed by an issue number to
automatically close related issues when the PR is merged (e.g., "closes
#123" or "fixes #123").
- Describe the changes made in the PR.
- Ensure the PR has one of the required tags (kind:fix, kind:misc,
kind:break!, kind:refactor, kind:feat, kind:deps, kind:docs, kind:ci,
kind:chore, kind:testing)

-->
refactor: changes SubmitTX permissions from write to read.

Following the issue requirement, this PR changes SubmitTX permissions
from _write_ to _read_

Changes:

* Updated nodebuilder/state/state.go from **write** to **read**
permissions
* Updated following tests (api/rpc_test.go) and added extra check for
SubmitTX rpc call (read permissions check).

closes #2958

---------

Co-authored-by: [NODERS]TEAM <office@noders.team>
Co-authored-by: ramin <raminkeene@gmail.com>

api/rpc_test.go

@@ -186,12 +186,15 @@ func TestAuthedRPC(t *testing.T) {
 			// 2. Test method with write-level permissions
 			expectedResp := &state.TxResponse{}
 			if tt.perm > 2 {
-				server.State.EXPECT().SubmitTx(gomock.Any(), gomock.Any()).Return(expectedResp, nil)
-				txResp, err := rpcClient.State.SubmitTx(ctx, []byte{})
+				server.State.EXPECT().Delegate(gomock.Any(), gomock.Any(),
+					gomock.Any(), gomock.Any(), gomock.Any()).Return(expectedResp, nil)
+				txResp, err := rpcClient.State.Delegate(ctx,
+					state.ValAddress{}, state.Int{}, state.Int{}, 0)
 				require.NoError(t, err)
 				require.Equal(t, expectedResp, txResp)
 			} else {
-				_, err := rpcClient.State.SubmitTx(ctx, []byte{})
+				_, err := rpcClient.State.Delegate(ctx,
+					state.ValAddress{}, state.Int{}, state.Int{}, 0)
 				require.Error(t, err)
 				require.ErrorContains(t, err, "missing permission")
 			}

nodebuilder/state/state.go

@@ -110,7 +110,7 @@ type API struct {
 			fee state.Int,
 			gasLimit uint64,
 		) (*state.TxResponse, error) `perm:"write"`
-		SubmitTx         func(ctx context.Context, tx state.Tx) (*state.TxResponse, error) `perm:"write"`
+		SubmitTx         func(ctx context.Context, tx state.Tx) (*state.TxResponse, error) `perm:"read"`
 		SubmitPayForBlob func(
 			ctx context.Context,
 			fee state.Int,