Merge branch 'master' into legacy-valid-batch-count

.github/workflows/ci.yml

@@ -132,8 +132,8 @@ jobs:
 
       - name: Set environment variables
         run: |
-          mkdir -p target/tmp
-          echo "TMPDIR=$(pwd)/target/tmp" >> "$GITHUB_ENV"
+          mkdir -p target/tmp/deadbeefbee
+          echo "TMPDIR=$(pwd)/target/tmp/deadbeefbee" >> "$GITHUB_ENV"
           echo "GOMEMLIMIT=6GiB" >> "$GITHUB_ENV"
           echo "GOGC=80" >> "$GITHUB_ENV"
 

system_tests/forwarder_test.go

@@ -7,6 +7,7 @@ import (
 	"context"
 	"fmt"
 	"math/big"
+	"os"
 	"path/filepath"
 	"strings"
 	"sync"
@@ -157,7 +158,18 @@ func createSequencer(
 
 // tmpPath returns file path with specified filename from temporary directory of the test.
 func tmpPath(t *testing.T, filename string) string {
-	return filepath.Join(t.TempDir(), filename)
+	t.Helper()
+	// create a unique, maximum 10 characters-long temporary directory {name} with path as $TMPDIR/{name}
+	tmpDir, err := os.MkdirTemp("", "")
+	if err != nil {
+		t.Fatalf("Failed to create temp dir: %v", err)
+	}
+	t.Cleanup(func() {
+		if err = os.RemoveAll(tmpDir); err != nil {
+			t.Errorf("Failed to cleanup temp dir: %v", err)
+		}
+	})
+	return filepath.Join(tmpDir, filename)
 }
 
 // testNodes creates specified number of paths for ipc from temporary directory of the test.