diff --git a/.github/ci.yaml b/.github/ci.yaml
deleted file mode 100644
index fc2e7e1..0000000
--- a/.github/ci.yaml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: "CI: Foundry"
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-
-env:
-  FOUNDRY_PROFILE: ci
-
-jobs:
-  check:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-
-      - name: Install Foundry
-        uses: foundry-rs/foundry-toolchain@v1
-
-      - name: Run tests
-        run: forge test -vvv
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..9aa6e15
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,72 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22'
+      
+      - name: Install protoc-gen-go
+        run: |
+          go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
+          go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
+
+      - name: Install protoc-gen-grpc-gateway
+        run: |
+          go install github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-grpc-gateway@latest
+
+      - name: Set up Protoc
+        uses: arduino/setup-protoc@v3
+
+      - name: Install buf
+        uses: bufbuild/buf-setup-action@v1
+
+      - name: Install Solhint
+        run: npm install -g solhint
+
+      - name: Install golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: latest
+          args: --timeout=5m
+
+      - name: Cache dependencies
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.foundry
+            ~/go/pkg/mod
+          key: ${{ runner.os }}-deps-${{ hashFiles('foundry.toml') }}-${{ hashFiles('go.sum') }}
+
+      - name: Start suave-geth
+        run: make devnet-up
+
+      - name: Build
+        run: make build
+
+      # - name: Test
+      #   run: make test
+
+      - name: Format check
+        run: make check-fmt
+
+      - name: Lint
+        run: make lint
+
+      - name: Stop suave-geth
+        if: always()
+        run: make devnet-down
diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..2f61c3e
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,3 @@
+issues:
+  exclude-dirs:
+    - lib
diff --git a/.solhint.json b/.solhint.json
new file mode 100644
index 0000000..014fe0c
--- /dev/null
+++ b/.solhint.json
@@ -0,0 +1,7 @@
+{
+  "extends": "solhint:recommended",
+  "rules": {
+    "compiler-version": ["error", "^0.8.13"],
+    "func-visibility": ["warn", {"ignoreConstructors": true}]
+  }
+}
diff --git a/Makefile b/Makefile
index 712553d..51fd8bc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,5 @@
-.PHONY: devnet-up
+# suave-geth
+.PHONY: devnet-up devnet-down 
 devnet-up:
 	@docker compose --file ./compose.yaml up --detach
 
@@ -6,10 +7,43 @@ devnet-up:
 devnet-down:
 	@docker compose --file ./compose.yaml down
 
+# Solidity
+build-solidity:
+	forge build --via-ir
+
+test-solidity:
+	forge test --ffi --via-ir test/**/*.t.sol
+
+lint-solidity:
+	solhint 'src/**/*.sol'
+
+fmt-solidity:
+	forge fmt src/solidit
+
+check-fmt-solidity:
+	forge fmt --check src/solidity
+
+# Golang
 .PHONY: run-go
 run-go:
 	@cd src/go && go run main.go && cd ../../
 
+build-go:
+	go build ./src/go
+
+test-go:
+	go test ./src/go/... ./test/...
+
+lint-go:
+	golangci-lint run
+
+fmt-go:
+	go fmt ./src/go/... ./test/...
+
+check-fmt-go:
+	gofmt -d ./src/go ./test
+
+# Protobuf
 .PHONY: run-proto
 run-proto:
 	@protoc -I./src/proto \
@@ -17,3 +51,30 @@ run-proto:
   --go-grpc_out=src/go/pb --go-grpc_opt=paths=source_relative \
   --grpc-gateway_out=src/go/pb --grpc-gateway_opt=paths=source_relative \
   src/proto/transferable_account.proto
+
+compile-proto:
+	@make run-proto
+
+lint-proto:
+	buf lint
+
+fmt-proto:
+	buf format src/proto
+
+check-fmt-proto:
+	buf format -d src/proto
+
+# General
+.PHONY: build test lint fmt check-fmt
+build: build-solidity build-go compile-proto
+
+test: test-solidity test-go
+
+lint: lint-solidity 
+
+fmt: fmt-solidity fmt-go fmt-proto
+
+check-fmt: check-fmt-solidity check-fmt-go check-fmt-proto
+
+# CI
+ci: build test lint check-fmt
diff --git a/buf.work.yaml b/buf.work.yaml
new file mode 100644
index 0000000..f62e33c
--- /dev/null
+++ b/buf.work.yaml
@@ -0,0 +1,3 @@
+version: v1
+directories:
+  - src/proto