Setup of hardhat for precompiles

.dockerignore

@@ -3,3 +3,6 @@
 build/_workspace
 build/_bin
 tests/testdata
+
+vendor
+contracts/node_modules

.github/workflows/ci.yml

@@ -31,7 +31,9 @@ jobs:
         with:
           go-version: '1.21.4'
       - name: build all binaries from cmd
-        run: go run build/ci.go install
+        run: make all
+      - name: build dev version of geth
+        run: make geth-dev
 
   test:
     runs-on: ubuntu-latest
@@ -86,3 +88,22 @@ jobs:
 #      - name: run simulation result parser
 #        working-directory: ./hive
 #        run: result_parser -path_to_results ./workspace/logs
+
+  precompile:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.21.4'
+      - name: build geth docker image
+        run: make docker-build-dev
+      - name: run geth docker container
+        run: docker-compose up -d
+      - name: install hardhat
+        working-directory: ./contracts
+        run: npm install --save-dev hardhat
+      - name: run precompile tests
+        working-directory: ./contracts
+        run: npx hardhat test

.gitignore

@@ -47,3 +47,10 @@ profile.cov
 /dashboard/assets/package-lock.json
 
 **/yarn-error.log
+logs/
+
+tests/spec-tests/
+
+contracts/artifacts
+contracts/cache
+contracts/node_modules

Dockerfile.dev

@@ -0,0 +1,12 @@
+FROM golang:1.20-alpine
+
+RUN apk add bash make curl
+
+RUN mkdir -p $GOPATH/src/github.com/Kava-Labs/go-ethereum
+WORKDIR $GOPATH/src/github.com/Kava-Labs/go-ethereum
+
+COPY . .
+RUN make geth-dev
+RUN cp ./build/bin/geth $GOPATH/bin/
+
+CMD ["geth", "--dev", "--http", "--http.addr=0.0.0.0"]

Makefile

@@ -13,6 +13,11 @@ geth:
 	@echo "Done building."
 	@echo "Run \"$(GOBIN)/geth\" to launch geth."
 
+geth-dev:
+	$(GORUN) build/ci.go install -dev ./cmd/geth
+	@echo "Done building."
+	@echo "Run \"$(GOBIN)/geth\" to launch geth."
+
 all:
 	$(GORUN) build/ci.go install
 
@@ -48,3 +53,6 @@ devtools:
 	env GOBIN= go install ./cmd/abigen
 	@type "solc" 2> /dev/null || echo 'Please install solc'
 	@type "protoc" 2> /dev/null || echo 'Please install protoc'
+
+docker-build-dev:
+	docker build -t go-ethereum-dev -f Dockerfile.dev .

build/ci.go

@@ -203,6 +203,7 @@ func doInstall(cmdline []string) {
 		arch       = flag.String("arch", "", "Architecture to cross build for")
 		cc         = flag.String("cc", "", "C compiler to cross build with")
 		staticlink = flag.Bool("static", false, "Create statically-linked executable")
+		dev        = flag.Bool("dev", false, "Build dev version")
 	)
 	flag.CommandLine.Parse(cmdline)
 
@@ -216,6 +217,11 @@ func doInstall(cmdline []string) {
 	// Disable CLI markdown doc generation in release builds.
 	buildTags := []string{"urfave_cli_no_docs"}
 
+	// Build dev version of geth. Build version includes additional precompiles.
+	if *dev {
+		buildTags = append(buildTags, "geth_test_precompile")
+	}
+
 	// Configure the build.
 	env := build.Env()
 	gobuild := tc.Go("build", buildFlags(env, *staticlink, buildTags)...)

contracts/contracts/ExampleStatelessSum3.sol

@@ -0,0 +1,14 @@
+pragma solidity ^0.8.0;
+
+import "hardhat/console.sol";
+
+address constant PRECOMPILED_STATELESS_SUM3_CONTRACT_ADDRESS = address(0x0b);
+
+contract ExampleStatelessSum3 {
+    function sum3(uint256 a, uint256 b, uint256 c) public view returns (bytes memory) {
+        (bool ok, bytes memory data) = address(PRECOMPILED_STATELESS_SUM3_CONTRACT_ADDRESS).staticcall(abi.encode(a,b,c));
+        require(ok, "call to precompiled contract failed");
+
+        return data;
+    }
+}

contracts/hardhat.config.ts

@@ -0,0 +1,15 @@
+import { HardhatUserConfig } from "hardhat/config";
+import "@nomicfoundation/hardhat-toolbox";
+
+const config: HardhatUserConfig = {
+  defaultNetwork: "geth",
+  networks: {
+    hardhat: {},
+    geth: {
+      url: "http://localhost:8545",
+    }
+  },
+  solidity: "0.8.19",
+};
+
+export default config;