integration test: get block, tx, receipt, filter logs, code at

docker-compose.test.yml

@@ -0,0 +1,14 @@
+version: '3.2'
+
+services:
+  contract:
+    depends_on:
+      - dapptools
+    build:
+      context: ./test/contract
+      args:
+        ETH_ADDR: "http://192.168.192.4:8545"
+    environment:
+      ETH_ADDR: "http://192.168.192.4:8545"
+    ports:
+      - "127.0.0.1:3000:3000"

test/README.md

@@ -0,0 +1,6 @@
+
+Spin up services: 
+```
+docker-compose -f docker-compose.test.yml -f ../docker-compose.yml up contract
+
+```

test/contract/.dockerignore

@@ -0,0 +1,3 @@
+node_modules
+artifacts
+cache

test/contract/Dockerfile

@@ -0,0 +1,14 @@
+FROM node:14
+
+ARG ETH_ADDR
+ENV ETH_ADDR $ETH_ADDR
+
+WORKDIR /usr/src/app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+RUN npm run compile && ls -lah
+
+EXPOSE 3000
+
+ENTRYPOINT ["npm", "start"]

test/contract/contracts/GLDToken.sol

@@ -0,0 +1,7 @@
+pragma solidity ^0.8.0;
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+contract GLDToken is ERC20 {
+    constructor() ERC20("Gold", "GLD") {
+        _mint(msg.sender, 1000000000000000000000);
+    }
+}

test/contract/hardhat.config.js

@@ -17,11 +17,15 @@ task("accounts", "Prints the list of accounts", async () => {
  * @type import('hardhat/config').HardhatUserConfig
  */
 module.exports = {
-  solidity: "0.7.3",
+  solidity: "0.8.0",
   networks: {
     local: {
       url: 'http://127.0.0.1:8545',
       chainId: 4
+    },
+    docker: {
+      url: process.env.ETH_ADDR,
+      chainId: 4
     }
   }
 };