Migrate to Hardhat (#2397)

scripts/compile.sh

@@ -1,9 +0,0 @@
-#!/usr/bin/env sh
-
-if [ "$SOLC_NIGHTLY" = true ]; then
-  docker pull ethereum/solc:nightly
-fi
-
-export OPENZEPPELIN_NON_INTERACTIVE=true
-
-npx oz compile

scripts/coverage.sh

@@ -1,25 +1,9 @@
 #!/usr/bin/env bash
 
-set -o errexit -o pipefail
+set -euo pipefail
 
-# Executes cleanup function at script exit.
-trap cleanup EXIT
+buidler coverage
 
-cleanup() {
-  # Delete the symlink created to the allFiredEvents file solidity-coverage creates
-  rm -f allFiredEvents
-}
-
-log() {
-  echo "$*" >&2
-}
-
-# The allFiredEvents file is created inside coverageEnv, but solidity-coverage
-# expects it to be at the top level. We create a symlink to fix this
-ln -s coverageEnv/allFiredEvents allFiredEvents
-
-OZ_TEST_ENV_COVERAGE=true npx solidity-coverage || log "Test run failed"
-
-if [ "$CI" = true ]; then
+if [ -n "$CI" ]; then
   curl -s https://codecov.io/bash | bash -s -- -C "$CIRCLE_SHA1"
 fi

scripts/prepack.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# cross platform `mkdir -p`
+node -e 'fs.mkdirSync("build/contracts", { recursive: true })'
+
+cp artifacts/*.json build/contracts
+
+node scripts/remove-ignored-artifacts.js

scripts/remove-ignored-artifacts.js

@@ -23,20 +23,19 @@ const ignorePatternsSubtrees = ignorePatterns
   .concat(ignorePatterns.map(pat => path.join(pat, '**/*')))
   .map(p => p.replace(/^\//, ''));
 
+const solcOutput = readJSON('cache/solc-output.json');
+
 const artifactsDir = 'build/contracts';
 
 let n = 0;
 
-for (const artifact of fs.readdirSync(artifactsDir)) {
-  const fullArtifactPath = path.join(artifactsDir, artifact);
-  const { sourcePath: fullSourcePath } = readJSON(fullArtifactPath);
-  const sourcePath = path.relative('.', fullSourcePath);
-
+for (const sourcePath in solcOutput.contracts) {
   const ignore = match.any(sourcePath, ignorePatternsSubtrees);
-
   if (ignore) {
-    fs.unlinkSync(fullArtifactPath);
-    n += 1;
+    for (const contract in solcOutput.contracts[sourcePath]) {
+      fs.unlinkSync(path.join(artifactsDir, contract + '.json'));
+      n += 1;
+    }
   }
 }