Add Dockerfile

Dockerfile

@@ -0,0 +1,49 @@
+FROM debian:buster
+
+RUN apt update && \
+  # Install common dependencies
+  apt install -y \
+    cmake \
+    curl \
+    g++ \
+    gcc \
+    git \make \
+    wget \
+    # LLVM script
+    gnupg \
+    lsb-release \
+    software-properties-common \
+    # Electron
+    libasound2 \
+    libgdk-pixbuf2.0-0 \
+    libgtk-3-0 \
+    libnss3 \
+    libxcomposite1 \
+    libxcursor1 \
+    libxi6 \
+    libxss1 \
+    libxtst6 \
+    xvfb && \
+  # Install LLVM:12
+  curl -sSf https://apt.llvm.org/llvm.sh | bash -s -- 12 && \
+  ln -s $(which clang-12) /usr/bin/clang && \
+  # Install Node.js:14
+  curl -fsSL https://deb.nodesource.com/setup_14.x | bash - && \
+  apt install nodejs -y && \
+  # Install Rust nightly
+  curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | bash -s -- -y \
+    --default-toolchain nightly \
+    --profile minimal \
+    --component clippy,rustfmt,rust-src \
+    --target wasm32-unknown-unknown && \
+  # Install wasm-opt from binaryen
+  git clone --depth 1 --branch version_100 https://github.com/WebAssembly/binaryen.git /binaryen && \
+  cd /binaryen && \
+  cmake . && \
+  make -j$(nproc) && \
+  make install && \
+  rm -rf /binaryen && \
+  # Remove apt files
+  rm -rf /var/lib/{apt,dpkg,cache,log}/
+
+CMD Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 & export DISPLAY=':99.0' && bash

Makefile

@@ -2,7 +2,7 @@
 build-node-%: export PAIR = $(subst +, ,$(subst build-node-,,$@))
 build-node-%:
 	cargo build --package secp256k1-node --target $(firstword $(PAIR)) -Z build-std=panic_abort,std --release
-	cp -f target/$(firstword $(PAIR))/release/libsecp256k1_node.so lib/secp256k1-$(lastword $(PAIR)).so
+	mkdir -p lib && cp -f target/$(firstword $(PAIR))/release/libsecp256k1_node.so lib/secp256k1-$(lastword $(PAIR)).so
 	strip lib/secp256k1-$(lastword $(PAIR)).so
 
 .PHONY: build-node-debug
@@ -13,7 +13,7 @@ build-node-debug:
 build-node-debug-%: export PAIR = $(subst +, ,$(subst build-node-debug-,,$@))
 build-node-debug-%:
 	cargo build --package secp256k1-node --target $(firstword $(PAIR))
-	cp -f target/$(firstword $(PAIR))/debug/libsecp256k1_node.so lib/secp256k1-$(lastword $(PAIR)).so
+	mkdir -p lib && cp -f target/$(firstword $(PAIR))/debug/libsecp256k1_node.so lib/secp256k1-$(lastword $(PAIR)).so
 
 .PHONY: build-wasm
 build-wasm:

README.md

@@ -188,6 +188,23 @@ If `strict` is `true`, valid signatures with any of (r, s) values greater than `
 
 ---
 
+## Docker Build / Development Environment
+
+#### Build Docker image
+
+```
+docker build -t tiny-secp256k1 .
+```
+
+#### Run Docker container
+
+```
+docker run -it --rm -v `pwd`:/tiny-secp256k1 -w /tiny-secp256k1 tiny-secp256k1
+# npm install --unsafe-perm
+# make test
+# make clean
+```
+
 ## Credit
 
 This library uses the native library [secp256k1](https://github.com/bitcoin-core/secp256k1) by the bitcoin-core developers through Rust crate [secp256k1-sys](https://crates.io/crates/secp256k1-sys), including derivatives of its tests and test vectors.

package.json

@@ -19,10 +19,14 @@
     "./lib/rand.js": "./lib/rand.browser.js",
     "./lib/wasm_loader.js": "./lib/wasm_loader.browser.js"
   },
+  "scripts": {
+    "postinstall": "patch-package --patch-dir ./util/patches"
+  },
   "devDependencies": {
     "binaryen": "^100.0.0",
     "browser-run": "^8.0.0",
     "buffer": "^6.0.3",
+    "patch-package": "^6.4.7",
     "path-browserify": "^1.0.1",
     "prettier": "^2.2.1",
     "process": "^0.11.10",

util/patches/electron-stream+8.0.0.patch

@@ -0,0 +1,18 @@
+diff --git a/node_modules/electron-stream/index.js b/node_modules/electron-stream/index.js
+index 8524e59..5b89a67 100644
+--- a/node_modules/electron-stream/index.js
++++ b/node_modules/electron-stream/index.js
+@@ -79,8 +79,12 @@ Electron.prototype._onfinish = function(){
+ Electron.prototype._spawn = function(url){
+   debug('spawn %s', url);
+
++  var args = []
++  if (process.getuid() === 0) args.push("--no-sandbox");
++  args.push(runner);
++
+   var self = this;
+-  var ps = self.ps = spawn(electron, [runner], {
++  var ps = self.ps = spawn(electron, args, {
+     stdio: [null, null, null, 'ipc']
+   });
+