From f761ee0ae2c514ab06a889688b357ce30828b988 Mon Sep 17 00:00:00 2001
From: Daniel Kirchner <daniel@ekpyron.org>
Date: Wed, 14 Oct 2020 18:26:18 +0200
Subject: [PATCH] Perform bytecode comparison on CircleCI.

---
 .circleci/config.yml                     | 95 ++++++++++++++++++++++++
 scripts/bytecodecompare/compare.sh       |  4 +
 scripts/bytecodecompare/storebytecode.sh | 38 +---------
 3 files changed, 101 insertions(+), 36 deletions(-)
 create mode 100644 scripts/bytecodecompare/compare.sh

diff --git a/.circleci/config.yml b/.circleci/config.yml
index daefe4472439..2b7f2645d83e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -943,6 +943,81 @@ jobs:
   t_win_release:
     <<: *t_win
 
+  b_bytecode_ubu:
+    docker:
+      - image: << pipeline.parameters.ubuntu-2004-docker-image >>
+    steps:
+      - checkout
+      - attach_workspace:
+          at: build
+      - run: scripts/bytecodecompare/storebytecode.sh && cp -v report.txt bytecode-report-ubuntu.txt
+      - store_artifacts:
+          path: report.txt
+      - persist_to_workspace:
+          root: .
+          paths:
+            - bytecode-report-ubuntu.txt
+
+  b_bytecode_osx:
+    macos:
+      xcode: "11.0.0"
+    environment:
+      TERM: xterm
+    steps:
+      - checkout
+      - attach_workspace:
+          at: build
+      - run: scripts/bytecodecompare/storebytecode.sh && cp -v report.txt bytecode-report-osx.txt
+      - store_artifacts:
+          path: report.txt
+      - persist_to_workspace:
+          root: .
+          paths:
+            - bytecode-report-osx.txt
+
+  b_bytecode_win:
+    executor:
+      name: win/default
+      shell: cmd.exe
+    steps:
+      - checkout
+      - attach_workspace:
+          at: build
+      - run: python scripts\isolate_tests.py test\
+      - run: python scripts\bytecodecompare\prepare_report.py build\solc\Release\solc.exe
+      - run: cp report.txt bytecode-report-windows.txt
+      - store_artifacts:
+          path: report.txt
+      - persist_to_workspace:
+          root: .
+          paths:
+            - bytecode-report-windows.txt
+
+  b_bytecode_ems:
+    docker:
+      - image: circleci/node:10
+    environment:
+      SOLC_EMSCRIPTEN: "On"
+    steps:
+      - checkout
+      - attach_workspace:
+          at: emscripten_build/libsolc
+      - run: scripts/bytecodecompare/storebytecode.sh && cp -v report.txt bytecode-report-emscripten.txt
+      - store_artifacts:
+          path: report.txt
+      - persist_to_workspace:
+          root: .
+          paths:
+            - bytecode-report-emscripten.txt
+
+  t_bytecode_compare:
+    docker:
+      - image: << pipeline.parameters.ubuntu-2004-docker-image >>
+    steps:
+      - attach_workspace:
+          at: .
+      - run: diff --report-identical-files --from-file bytecode-report-emscripten.txt bytecode-report-ubuntu.txt bytecode-report-osx.txt bytecode-report-windows.txt
+
 workflows:
   version: 2
 
@@ -1000,6 +1075,26 @@ workflows:
       - t_win: *workflow_win
       - t_win_release: *workflow_win_release
 
+      # Bytecode comparison:
+      - b_bytecode_ubu:
+          requires:
+            - b_ubu
+      - b_bytecode_win:
+          requires:
+            - b_win
+      - b_bytecode_osx:
+          requires:
+            - b_osx
+      - b_bytecode_ems:
+          requires:
+            - b_ems
+      - t_bytecode_compare:
+          requires:
+            - b_bytecode_ubu
+            - b_bytecode_win
+            - b_bytecode_osx
+            - b_bytecode_ems
+
   nightly:
 
     triggers:
diff --git a/scripts/bytecodecompare/compare.sh b/scripts/bytecodecompare/compare.sh
new file mode 100644
index 000000000000..8718c9c5ceb9
--- /dev/null
+++ b/scripts/bytecodecompare/compare.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# STUB
+ls build/bytecode*.txt -l
diff --git a/scripts/bytecodecompare/storebytecode.sh b/scripts/bytecodecompare/storebytecode.sh
index 02530db03749..13e320960c69 100755
--- a/scripts/bytecodecompare/storebytecode.sh
+++ b/scripts/bytecodecompare/storebytecode.sh
@@ -27,13 +27,6 @@
 
 set -e
 
-if [[ "${TRAVIS_PULL_REQUEST_BRANCH}" != "" ]]; then
-    # Variable is set to the branch's name iff current job is a pull request,
-    # or is set to empty string if it is a push build.
-    echo "Skipping bytecode comparison."
-    exit 0
-fi
-
 REPO_ROOT="$(dirname "$0")"/../..
 
 if test -z "$1"; then
@@ -120,34 +113,7 @@ EOF
         $REPO_ROOT/scripts/bytecodecompare/prepare_report.py $REPO_ROOT/$BUILD_DIR/solc/solc
     fi
 
-    if [ "$TRAVIS_SECURE_ENV_VARS" = "true" ]
-    then
-        openssl aes-256-cbc -K $encrypted_60701c962b9c_key -iv $encrypted_60701c962b9c_iv -in "$REPO_ROOT"/scripts/bytecodecompare/deploy_key.enc -out deploy_key -d
-        chmod 600 deploy_key
-        eval `ssh-agent -s`
-        ssh-add deploy_key
-
-        git clone --depth 2 git@github.com:ethereum/solidity-test-bytecode.git
-        cd solidity-test-bytecode
-        git config user.name "travis"
-        git config user.email "chris@ethereum.org"
-        git clean -f -d -x
-
-        DIRNAME=$(cd "$REPO_ROOT" && git show -s --format="%cd-%H" --date="format:%Y-%m-%d-%H-%M")
-        mkdir -p "$DIRNAME"
-        REPORT="$DIRNAME/$ZIP_SUFFIX.txt"
-        cp ../report.txt "$REPORT"
-        # Only push if adding actually worked, i.e. there were changes.
-        if git add "$REPORT" && git commit -a -m "Added report $REPORT"
-        then
-            git pull --rebase
-            git push origin
-        else
-            echo "Adding report failed, it might already exist in the repository."
-        fi
-    else
-        echo "Not storing bytecode because the keys are not available."
-    fi
+    cp report.txt $REPO_ROOT
 )
 rm -rf "$TMPDIR"
-echo "Storebytecode finished."
\ No newline at end of file
+echo "Storebytecode finished."