diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index c722400..567f052 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -23,6 +23,8 @@ concurrency:
 jobs:
   golangci:
     env:
+      GOPRIVATE: github.com/initia-labs
+      GITHUB_ACCESS_TOKEN: ${{ secrets.GH_READ_TOKEN }}
       GOLANGCI_LINT_VERSION: v1.59.1
     name: golangci-lint
     runs-on: ubuntu-latest
@@ -39,6 +41,7 @@ jobs:
             **/**.go
             go.mod
             go.sum
+      - run: git config --global url.https://${GITHUB_ACCESS_TOKEN}:x-oauth-basic@github.com/.insteadOf https://github.com/
       # install golangci-lint
       - run: go install github.com/golangci/golangci-lint/cmd/golangci-lint@${GOLANGCI_LINT_VERSION}
       - name: run go linters (long)
@@ -65,6 +68,10 @@ jobs:
   # Use --check or --exit-code when available (Go 1.19?)
   # https://github.com/golang/go/issues/27005
   tidy:
+    env:
+      # for private repo access
+      GOPRIVATE: github.com/initia-labs,github.com/skip-mev/slinky
+      GITHUB_ACCESS_TOKEN: ${{ secrets.GH_READ_TOKEN }}
     runs-on: ubuntu-latest
     name: tidy
     steps:
@@ -74,6 +81,7 @@ jobs:
         with:
           go-version: 1.22
           check-latest: true
+      - run: git config --global url.https://${GITHUB_ACCESS_TOKEN}:x-oauth-basic@github.com/.insteadOf https://github.com/
       - run: |
           go mod tidy
           CHANGES_IN_REPO=$(git status --porcelain)
diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..497ee05
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,47 @@
+linters:
+  enable:
+    - asciicheck
+    - bodyclose
+    - dogsled
+    - dupl
+    - errcheck
+    - exportloopref
+    - goconst
+    - gofmt
+    - goimports
+    - gosec
+    - gosimple
+    - govet
+    - ineffassign
+    - misspell
+    # - nakedret
+    - nolintlint
+    # - prealloc
+    - staticcheck
+    # - structcheck // to be fixed by golangci-lint
+    - stylecheck
+    - typecheck
+    - unconvert
+    - unused
+
+issues:
+  exclude-rules:
+    - path: _test\.go
+      linters:
+        - gosec
+    - linters:
+        - stylecheck
+      text: "ST1003:"
+  max-same-issues: 50
+
+linters-settings:
+  dogsled:
+    max-blank-identifiers: 3
+  #golint:
+  #  min-confidence: 0
+  goconst:
+    ignore-tests: true
+  #maligned:
+  #  suggest-new: true
+  misspell:
+    locale: US
diff --git a/executor/batch/handler.go b/executor/batch/handler.go
index d58b6f6..b17f6b2 100644
--- a/executor/batch/handler.go
+++ b/executor/batch/handler.go
@@ -177,7 +177,7 @@ func (bs *BatchSubmitter) finalizeBatch(blockHeight uint64) error {
 		Save:      true,
 	})
 
-	for offset := int64(0); ; offset += int64(bs.batchCfg.MaxChunkSize) {
+	for offset := int64(0); ; offset += bs.batchCfg.MaxChunkSize {
 		readLength, err := bs.batchFile.ReadAt(batchBuffer, offset)
 		if err != nil && err != io.EOF {
 			return err
diff --git a/executor/child/handler.go b/executor/child/handler.go
index aef5623..ac1416d 100644
--- a/executor/child/handler.go
+++ b/executor/child/handler.go
@@ -30,7 +30,7 @@ func (ch *Child) beginBlockHandler(args nodetypes.BeginBlockArgs) (err error) {
 func (ch *Child) endBlockHandler(args nodetypes.EndBlockArgs) error {
 	blockHeight := uint64(args.Block.Header.Height)
 	batchKVs := make([]types.RawKV, 0)
-	treeKVs, storageRoot, err := ch.handleTree(blockHeight, uint64(args.LatestHeight), args.BlockID, args.Block.Header)
+	treeKVs, storageRoot, err := ch.handleTree(blockHeight, args.LatestHeight, args.BlockID, args.Block.Header)
 	if err != nil {
 		return err
 	}
diff --git a/executor/child/withdraw.go b/executor/child/withdraw.go
index abc584a..3780276 100644
--- a/executor/child/withdraw.go
+++ b/executor/child/withdraw.go
@@ -93,7 +93,7 @@ func (ch *Child) prepareTree(blockHeight uint64) error {
 	err := ch.mk.LoadWorkingTree(blockHeight - 1)
 	if err == dbtypes.ErrNotFound {
 		// must not happened
-		// TOOD: if user want to start from a specific height, we need to provide a way to do so
+		// TODO: if user want to start from a specific height, we need to provide a way to do so
 		panic(fmt.Errorf("working tree not found at height: %d, current: %d", blockHeight-1, blockHeight))
 	} else if err != nil {
 		return err
diff --git a/merkle/merkle.go b/merkle/merkle.go
index 33049b0..0def1ce 100644
--- a/merkle/merkle.go
+++ b/merkle/merkle.go
@@ -186,7 +186,6 @@ func (m *Merkle) fillLeaves() error {
 	}
 
 	lastLeaf := m.workingTree.LastSiblings[0]
-	//nolint:typecheck
 	for range numRestLeaves {
 		if err := m.InsertLeaf(lastLeaf); err != nil {
 			return err
diff --git a/node/broadcaster/broadcaster.go b/node/broadcaster/broadcaster.go
index 3a3caff..8eaddab 100644
--- a/node/broadcaster/broadcaster.go
+++ b/node/broadcaster/broadcaster.go
@@ -125,8 +125,8 @@ func (b Broadcaster) getClientCtx() client.Context {
 		WithFromAddress(b.keyAddress)
 }
 
-func (n Broadcaster) GetTxf() tx.Factory {
-	return n.txf
+func (b Broadcaster) GetTxf() tx.Factory {
+	return b.txf
 }
 
 func (b *Broadcaster) prepareBroadcaster(_ /*lastBlockHeight*/ uint64, lastBlockTime time.Time) error {
diff --git a/node/process.go b/node/process.go
index b09eedb..bb219a3 100644
--- a/node/process.go
+++ b/node/process.go
@@ -232,7 +232,7 @@ func (n *Node) txChecker(ctx context.Context) error {
 			}
 		}
 
-		err = n.broadcaster.RemovePendingTx(int64(res.Height), pendingTx.TxHash, pendingTx.Sequence)
+		err = n.broadcaster.RemovePendingTx(res.Height, pendingTx.TxHash, pendingTx.Sequence)
 		if err != nil {
 			return err
 		}