Migrate from truffle to test-environment (#2007)

* Sketch

* Migrate all tests to test-env

* Finish migration to test-env

* Add config

* Work on GSN tests

* Migrate to newer test-env version and loader syntax

* Add GSN setup

* Finish test-env migration

* Setup coverage using test-env

* Migrate to npm package

* Fix package.json

* Add compile step to CI

* Add comment on coverage setup

* Remove dependency on @truffle/contract

* Fix package-lock merge

* Fix linter errors

* Upgrade test-environment, depend locally on ganche-coverage

* Improve coverage script

* Improve sign.js API

* Move accounts destructuring to describe block

* Switch to prebuilt ethereumjs-vm package

* Upgrade test-enviroment version

* use workspace in circleci config

* remove unnecessary npx

scripts/compile.sh

@@ -4,4 +4,4 @@ if [ "$SOLC_NIGHTLY" = true ]; then
   docker pull ethereum/solc:nightly
 fi
 
-npx truffle compile
+npx oz compile

scripts/coverage.sh

@@ -2,11 +2,23 @@
 
 set -o errexit -o pipefail
 
+# Executes cleanup function at script exit.
+trap cleanup EXIT
+
+cleanup() {
+  # Delete the symlink created to the allFiredEvents file solidity-coverage creates
+  rm -f allFiredEvents
+}
+
 log() {
   echo "$*" >&2
 }
 
-SOLIDITY_COVERAGE=true scripts/test.sh || log "Test run failed"
+# The allFiredEvents file is created inside coverageEnv, but solidity-coverage
+# expects it to be at the top level. We create a symlink to fix this
+ln -s coverageEnv/allFiredEvents allFiredEvents
+
+OZ_TEST_ENV_COVERAGE=true npx solidity-coverage || log "Test run failed"
 
 if [ "$CI" = true ]; then
   curl -s https://codecov.io/bash | bash -s -- -C "$CIRCLE_SHA1"

scripts/test.sh

@@ -1,83 +0,0 @@
-#!/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 "$ganache_port"
-}
-
-start_ganache() {
-  local accounts=(
-    # 10 accounts with balance 1M ether, needed for high-value tests.
-    --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501200,1000000000000000000000000"
-    --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501201,1000000000000000000000000"
-    --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501202,1000000000000000000000000"
-    --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501203,1000000000000000000000000"
-    --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501204,1000000000000000000000000"
-    --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501205,1000000000000000000000000"
-    --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501206,1000000000000000000000000"
-    --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501207,1000000000000000000000000"
-    --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501208,1000000000000000000000000"
-    --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501209,1000000000000000000000000"
-    # 3 accounts to be used for GSN matters.
-    --account="0x956b91cb2344d7863ea89e6945b753ca32f6d74bb97a59e59e04903ded14ad00,1000000000000000000000000"
-    --account="0x956b91cb2344d7863ea89e6945b753ca32f6d74bb97a59e59e04903ded14ad01,1000000000000000000000000"
-    --account="0x956b91cb2344d7863ea89e6945b753ca32f6d74bb97a59e59e04903ded14ad02,1000000000000000000000000"
-  )
-
-  if [ "$SOLIDITY_COVERAGE" = true ]; then
-    npx ganache-cli-coverage --emitFreeLogs true --allowUnlimitedContractSize true --gasLimit 0xfffffffffffff --port "$ganache_port" "${accounts[@]}" > /dev/null &
-  else
-    npx ganache-cli --gasLimit 0xfffffffffff --port "$ganache_port" "${accounts[@]}" > /dev/null &
-  fi
-
-  ganache_pid=$!
-
-  echo "Waiting for ganache to launch on port "$ganache_port"..."
-
-  while ! ganache_running; do
-    sleep 0.1 # wait for 1/10 of the second before check again
-  done
-
-  echo "Ganache launched!"
-}
-
-setup_relayhub() {
-  npx oz-gsn deploy-relay-hub \
-    --ethereumNodeURL "http://localhost:$ganache_port" \
-    --from "0xbb49ad04422f9fa6a217f3ed82261b942f6981f7"
-}
-
-if ganache_running; then
-  echo "Using existing ganache instance"
-else
-  echo "Starting our own ganache instance"
-  start_ganache
-fi
-
-npx truffle version
-
-setup_relayhub
-
-if [ "$SOLIDITY_COVERAGE" = true ]; then
-  npx solidity-coverage
-else
-  npx truffle test "$@"
-fi