test: set ethereum contract testing environment

contracts/ethereum/package.json

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+{
+  "name": "hatch-test",
+  "version": "1.0.0",
+  "description": "",
+  "main": "truffle-config.js",
+  "scripts": {
+    "test": "scripts/test.sh",
+    "lint:sol": "solium -d .",
+    "lint:sol:fix": "solium -d . --fix",
+    "coverage": "scripts/coverage.sh"
+  },
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@haechi-labs/vvisp-contracts": "^1.0.0",
+    "@haechi-labs/vvisp-utils": "^1.0.0",
+    "babel-preset-env": "^1.7.0",
+    "coveralls": "^3.0.1",
+    "eth-gas-reporter": "^0.1.7",
+    "ethereumjs-util": "^5.1.2",
+    "ethjs-abi": "^0.2.1",
+    "ganache-cli": "6.1.0",
+    "husky": "^1.2.1",
+    "lint-staged": "^8.1.0",
+    "openzeppelin-solidity": "2.1.3",
+    "openzeppelin-test-helpers": "^0.3.2",
+    "prettier": "^1.15.3",
+    "solidity-coverage": "git+https://github.com/rotcivegaf/solidity-coverage.git#5875f5b7bc74d447f3312c9c0e9fc7814b482477",
+    "solium": "^1.1.6",
+    "truffle": "^5.0.0",
+    "web3": "^1.0.0-beta.55"
+  },
+  "lint-staged": {
+    "**/*.js": [
+      "prettier --write",
+      "git add"
+    ]
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "lint-staged"
+    }
+  },
+  "prettier": {
+    "singleQuote": true,
+    "tabWidth": 2,
+    "printWidth": 80
+  },
+  "dependencies": {
+    "package.json": "^2.0.1"
+  }
+}

contracts/ethereum/scripts/coverage.sh

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+#!/usr/bin/env bash
+
+SOLIDITY_COVERAGE=true scripts/test.sh

contracts/ethereum/scripts/test.sh

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+#!/usr/bin/env bash
+
+# Exit script as soon as a command fails.
+set -o errexit
+
+# Executes cleanup function at script exit.
+trap cleanup EXIT
+
+cleanup() {
+  # Kill the ganache instance that we started (if we started one and if it's still running).
+  if [ -n "$ganache_pid" ] && ps -p $ganache_pid > /dev/null; then
+    kill -9 $ganache_pid
+  fi
+}
+
+if [ "$SOLIDITY_COVERAGE" = true ]; then
+  ganache_port=8555
+else
+  ganache_port=8545
+fi
+
+ganache_running() {
+  nc -z localhost "$ganache_port"
+}
+
+start_ganache() {
+  # We define 10 accounts with balance 1M ether, needed for high-value tests.
+  local accounts=(
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699972,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699973,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699974,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699975,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699976,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699977,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699978,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699979,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d69997a,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d69997b,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d69997c,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d69997e,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d69997f,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699981,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699982,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699983,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699984,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699985,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699986,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699987,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699988,1000000000000000000000000000"
+    --account="0xb178cf12d4126ea1db48ca32e3ce6743580ca6646391996032fc76652d699989,1000000000000000000000000000"
+  )
+
+  if [ "$SOLIDITY_COVERAGE" = true ]; then
+    node_modules/.bin/testrpc-sc --gasLimit 0xfffffffffff --port "$ganache_port" "${accounts[@]}" > /dev/null &
+  else
+    node_modules/.bin/ganache-cli --gasLimit 0xfffffffffff "${accounts[@]}" > /dev/null &
+  fi
+  ganache_pid=$!
+}
+
+if ganache_running; then
+  echo "Using existing ganache instance"
+else
+  echo "Starting our own ganache instance"
+  start_ganache
+fi
+
+if [ "$SOLC_NIGHTLY" = true ]; then
+  echo "Downloading solc nightly"
+  wget -q https://raw.githubusercontent.com/ethereum/solc-bin/gh-pages/bin/soljson-nightly.js -O /tmp/soljson.js && find . -name soljson.js -exec cp /tmp/soljson.js {} \;
+fi
+
+if [ "$SOLIDITY_COVERAGE" = true ]; then
+  node_modules/.bin/solidity-coverage
+
+  if [ "$CONTINUOUS_INTEGRATION" = true ]; then
+    cat coverage/lcov.info | node_modules/.bin/coveralls
+  fi
+else
+  node_modules/.bin/truffle test "$@"
+fi

contracts/ethereum/truffle-config.js

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+module.exports = {
+  networks: {
+    development: {
+      host: 'localhost',
+      port: 8545,
+      network_id: '*' // eslint-disable-line camelcase
+    },
+    coverage: {
+      host: 'localhost',
+      network_id: '*', // eslint-disable-line camelcase
+      port: 8555,
+      gas: 0xfffffffffff,
+      gasPrice: 0x01
+    },
+    ganache: {
+      host: 'localhost',
+      port: 8545,
+      network_id: '*' // eslint-disable-line camelcase
+    }
+  },
+  compilers: {
+    solc: {
+      version: '0.5.0',
+      settings: {
+        optimizer: {
+          enabled: true,
+          runs: 200
+        },
+        evmVersion: 'byzantium'
+      }
+    }
+  },
+  mocha: {
+    reporter: 'eth-gas-reporter',
+    reporterOptions: {
+      currency: 'KRW',
+      gasPrice: 5
+    }
+  }
+};