Support dev containers

.devcontainer/Dockerfile

@@ -0,0 +1,35 @@
+FROM ubuntu:24.04
+
+SHELL ["/bin/bash", "-l", "-c"]
+
+# Install essential packages
+RUN apt-get update && apt-get install -y \
+    curl \
+    git \
+    build-essential \
+    procps \
+    file \
+    unzip \
+    sudo \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create sudoers directory and non-root user
+RUN mkdir -p /etc/sudoers.d && \
+    useradd -m -s /bin/bash vscode && \
+    echo "vscode ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/vscode
+
+# Switch to non-root user
+USER vscode
+WORKDIR /home/vscode
+
+# Install Node
+RUN curl -fsSL https://deb.nodesource.com/setup_lts.x | sudo -E bash - && \
+    sudo apt-get install -y nodejs
+
+# Install Bun
+RUN curl -fsSL https://bun.sh/install | bash
+ENV PATH="/home/vscode/.bun/bin:${PATH}"
+
+# Install Foundry
+RUN curl -L https://foundry.paradigm.xyz | bash
+RUN /home/vscode/.foundry/bin/foundryup -i nightly

.devcontainer/devcontainer.json

@@ -0,0 +1,13 @@
+{
+  "name": "EthSign: Solidity",
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+  "customizations": {
+    "vscode": {
+      "extensions": ["juanblanco.solidity", "esbenp.prettier-vscode", "dbaeumer.vscode-eslint", "adpyke.codesnap"]
+    }
+  },
+  "remoteUser": "vscode",
+  "features": {}
+}

package.json

@@ -19,21 +19,21 @@
   "author": "jxu@ethsign.xyz",
   "license": "ISC",
   "dependencies": {
-    "@openzeppelin/contracts": "5.1.0",
-    "@openzeppelin/contracts-upgradeable": "5.1.0"
+    "@openzeppelin/contracts": "5.2.0",
+    "@openzeppelin/contracts-upgradeable": "5.2.0"
   },
   "devDependencies": {
     "@nomicfoundation/hardhat-foundry": "^1.1.3",
     "@nomicfoundation/hardhat-toolbox": "5.0.0",
     "@nomicfoundation/hardhat-verify": "^2.0.12",
-    "@openzeppelin/hardhat-upgrades": "^3.8.0",
+    "@openzeppelin/hardhat-upgrades": "^3.9.0",
     "@types/bun": "latest",
     "ethers": "^6.13.4",
     "dotenv": "^16.4.7",
-    "hardhat": "^2.22.17",
+    "hardhat": "^2.22.18",
     "hardhat-deploy": "^0.14.0",
     "prettier": "^3.4.2",
-    "solhint": "^5.0.3",
+    "solhint": "^5.0.5",
     "ts-node": "^10.9.2",
     "typescript": "^5.7.2"
   }