[TT-1435] use chatgpt to find new issues in modified Solidity files

.github/workflows/solidity-foundry-artifacts.yml

@@ -137,7 +137,8 @@ jobs:
       - name: Generate basic info and modified contracts list
         shell: bash
         run: |
-          echo "Commit SHA used to generate artifacts: ${{ github.sha }}" > contracts/commit_sha_base_ref.txt
+          echo "Product: ${{ inputs.product }}" > contracts/commit_sha_base_ref.txt
+          echo "Commit SHA used to generate artifacts: ${{ github.sha }}" >> contracts/commit_sha_base_ref.txt
           echo "Base reference SHA used to find modified contracts: ${{ inputs.base_ref }}" >> contracts/commit_sha_base_ref.txt     
 
           IFS=',' read -r -a modified_files <<< "${{ needs.changes.outputs.product_files }}"
@@ -213,11 +214,18 @@ jobs:
         env:
           FOUNDRY_PROFILE: ${{ inputs.product }}
 
+      - name: Prune lcov report
+        if: ${{ !contains(fromJson(steps.prepare-exclusion-list.outputs.coverage_exclusions), inputs.product) && needs.changes.outputs.product_changes == 'true' }}
+        shell: bash
+        working-directory: contracts
+        run: |
+          ./scripts/lcov_prune  ${{ inputs.product }} ./code-coverage/lcov.info ./code-coverage/lcov.info.pruned          
+
       - name: Generate Code Coverage HTML report for product contracts
         if: ${{ !contains(fromJson(steps.prepare-exclusion-list.outputs.coverage_exclusions), inputs.product) && needs.changes.outputs.product_changes == 'true' }}
         shell: bash
         working-directory: contracts
-        run: genhtml code-coverage/lcov.info --branch-coverage --output-directory code-coverage
+        run: genhtml code-coverage/lcov.info.pruned --branch-coverage --output-directory code-coverage
 
       - name: Run Forge doc for product contracts
         if: ${{ needs.changes.outputs.product_changes == 'true' }}
@@ -350,6 +358,7 @@ jobs:
           echo "Artifact ID: $ARTIFACT_ID"
 
           echo "# Solidity Review Artifact Generated" >> $GITHUB_STEP_SUMMARY
+          echo "Product: **${{ inputs.product }}**" >> $GITHUB_STEP_SUMMARY
           echo "Base Ref used: **${{ inputs.base_ref }}**" >> $GITHUB_STEP_SUMMARY
           echo "Commit SHA used: **${{ github.sha }}**" >> $GITHUB_STEP_SUMMARY
           echo "[Artifact URL](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}/artifacts/$ARTIFACT_ID)" >> $GITHUB_STEP_SUMMARY

.github/workflows/solidity-foundry.yml

@@ -8,6 +8,11 @@ env:
 # * use the top-level matrix to decide, which checks should run for each product.
 # * when enabling code coverage, remember to adjust the minimum code coverage as it's set to 98.5% by default.
 
+# This pipeline will run product tests only if product-specific contracts were modified or if broad-impact changes were made (e.g. changes to this pipeline, Foundry configuration, etc.)
+# For modified contracts we use a LLM to extract new issues introduced by the changes. For new contracts full report is delivered.
+# Slither has a default configuration, but also supports per-product configuration. If a product-specific configuration is not found, the default one is used.
+# Changes to test files do not trigger static analysis or formatting checks.
+
 jobs:
   define-matrix:
     name: Define test matrix
@@ -53,8 +58,10 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       non_src_changes: ${{ steps.changes.outputs.non_src }}
-      sol_modified: ${{ steps.changes.outputs.sol }}
-      sol_modified_files: ${{ steps.changes.outputs.sol_files }}
+      sol_modified_added: ${{ steps.changes.outputs.sol }}
+      sol_modified_added_files: ${{ steps.changes.outputs.sol_files }}
+      sol_mod_only: ${{ steps.changes.outputs.sol_mod_only }}
+      sol_mod_only_files: ${{ steps.changes.outputs.sol_mod_only_files }}
       not_test_sol_modified: ${{ steps.changes.outputs.not_test_sol }}
       not_test_sol_modified_files: ${{ steps.changes.outputs.not_test_sol_files }}
       all_changes: ${{ steps.changes.outputs.changes }}
@@ -73,6 +80,8 @@ jobs:
               - 'contracts/package.json'
             sol:
               - modified|added: 'contracts/src/v0.8/**/*.sol'
+            sol_mod_only:
+              - modified: 'contracts/src/v0.8/**/!(*.t).sol'            
             not_test_sol:
               - modified|added: 'contracts/src/v0.8/**/!(*.t).sol'            
             automation:
@@ -199,7 +208,6 @@ jobs:
           || needs.changes.outputs.non_src_changes == 'true')
           && matrix.product.setup.run-coverage }}
         run: |
-          sudo apt-get install lcov
           ./contracts/scripts/lcov_prune ${{ matrix.product.name }} ./contracts/lcov.info ./contracts/lcov.info.pruned
 
       - name: Report code coverage for ${{ matrix.product.name }}
@@ -229,6 +237,7 @@ jobs:
           this-job-name: Foundry Tests ${{ matrix.product.name }}
         continue-on-error: true
 
+  # runs only if non-test contracts were modified; scoped only to modified or added contracts
   analyze:
     needs: [ changes, define-matrix ]
     name: Run static analysis
@@ -268,25 +277,165 @@ jobs:
           # modify remappings so that solc can find dependencies
           ./contracts/scripts/ci/modify_remappings.sh contracts contracts/remappings.txt
           mv remappings_modified.txt remappings.txt
+
+          # without it Slither sometimes fails to use remappings correctly
+          cp contracts/foundry.toml foundry.toml              
+
+          FILES="${{ needs.changes.outputs.not_test_sol_modified_files }}"            
+
+          for FILE in $FILES; do
+            PRODUCT=$(echo "$FILE" | awk -F'src/[^/]*/' '{print $2}' | cut -d'/' -f1)
+            echo "::debug::Running Slither for $FILE in $PRODUCT"
+            SLITHER_CONFIG="contracts/configs/slither/.slither.config-$PRODUCT-pr.json"
+            if [[ ! -f $SLITHER_CONFIG ]]; then
+              echo "::debug::No Slither config found for $PRODUCT, using default"
+              SLITHER_CONFIG="contracts/configs/slither/.slither.config-default-pr.json"
+            fi
+            ./contracts/scripts/ci/generate_slither_report.sh "${{ github.server_url }}/${{ github.repository }}/blob/${{ github.sha }}/" "$SLITHER_CONFIG" "." "$FILE" "contracts/slither-reports-current" "--solc-remaps @=contracts/node_modules/@"
+          done
+
+      # all the actions below, up to printing results, run only if any existing contracts were modified
+      # in that case we extract new issues introduced by the changes by using an LLM model
+      - name: Upload Slither results for current branch
+        if: needs.changes.outputs.sol_mod_only == 'true'
+        uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
+        timeout-minutes: 2
+        continue-on-error: true
+        with:
+          name: slither-reports-current-${{ github.sha }}
+          path: contracts/slither-reports-current
+          retention-days: 7
+
+      # we need to upload scripts and configuration in case base_ref doesn't have the scripts, or they are in different version
+      - name: Upload Slither scripts
+        if: needs.changes.outputs.sol_mod_only == 'true'
+        uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
+        timeout-minutes: 2
+        continue-on-error: true
+        with:
+          name: tmp-slither-scripts-${{ github.sha }}
+          path: contracts/scripts/ci
+          retention-days: 7
+
+      - name: Upload configs
+        if: needs.changes.outputs.sol_mod_only == 'true'
+        uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
+        timeout-minutes: 2
+        continue-on-error: true
+        with:
+          name: tmp-configs-${{ github.sha }}
+          path: contracts/configs
+          retention-days: 7
+
+      - name: Checkout the repo
+        if: needs.changes.outputs.sol_mod_only == 'true'
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
+        with:
+          ref: ${{ github.base_ref }}
+
+      - name: Download Slither scripts
+        if: needs.changes.outputs.sol_mod_only == 'true'
+        uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
+        with:
+          name: tmp-slither-scripts-${{ github.sha }}
+          path: contracts/scripts/ci
 
-          FILES="${{ needs.changes.outputs.not_test_sol_modified_files }}"
+      - name: Download configs
+        if: needs.changes.outputs.sol_mod_only == 'true'
+        uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
+        with:
+          name: tmp-configs-${{ github.sha }}
+          path: contracts/configs
+
+      # since we have just checked out the repository again, we lose NPM dependencies installs previously, we need to install them again to compile contracts
+      - name: Setup NodeJS
+        if: needs.changes.outputs.sol_mod_only == 'true'
+        uses: ./.github/actions/setup-nodejs
+
+      - name: Run Slither for base reference
+        if: needs.changes.outputs.sol_mod_only == 'true'
+        shell: bash
+        run: |
+          # we need to set file permission again since they are lost during download
+          for file in contracts/scripts/ci/*.sh; do
+            chmod +x "$file"
+          done
+
+          # modify remappings so that solc can find dependencies
+          ./contracts/scripts/ci/modify_remappings.sh contracts contracts/remappings.txt
+          mv remappings_modified.txt remappings.txt
+
+          # without it Slither sometimes fails to use remappings correctly
+          cp contracts/foundry.toml foundry.toml
+
+          FILES="${{ needs.changes.outputs.sol_mod_only_files }}"
 
           for FILE in $FILES; do
             PRODUCT=$(echo "$FILE" | awk -F'src/[^/]*/' '{print $2}' | cut -d'/' -f1)
             echo "::debug::Running Slither for $FILE in $PRODUCT"
             SLITHER_CONFIG="contracts/configs/slither/.slither.config-$PRODUCT-pr.json"
-            if [ ! -f $SLITHER_CONFIG ]; then
+            if [[ ! -f $SLITHER_CONFIG ]]; then
               echo "::debug::No Slither config found for $PRODUCT, using default"
               SLITHER_CONFIG="contracts/configs/slither/.slither.config-default-pr.json"
             fi
-            ./contracts/scripts/ci/generate_slither_report.sh "${{ github.server_url }}/${{ github.repository }}/blob/${{ github.sha }}/" "$SLITHER_CONFIG" "." "$FILE" "contracts/slither-reports" "--solc-remaps @=contracts/node_modules/@"
+            ./contracts/scripts/ci/generate_slither_report.sh "${{ github.server_url }}/${{ github.repository }}/blob/${{ github.sha }}/" "$SLITHER_CONFIG" "." "$FILE" "contracts/slither-reports-base-ref" "--solc-remaps @=contracts/node_modules/@"
+          done          
+
+      - name: Upload Slither report
+        if: needs.changes.outputs.sol_mod_only == 'true'
+        uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
+        timeout-minutes: 10
+        continue-on-error: true
+        with:
+          name: slither-reports-base-${{ github.sha }}
+          path: |
+            contracts/slither-reports-base-ref
+          retention-days: 7
+
+      - name: Download Slither results for current branch
+        if: needs.changes.outputs.sol_mod_only == 'true'
+        uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
+        with:
+          name: slither-reports-current-${{ github.sha }}
+          path: contracts/slither-reports-current
+
+      - name: Generate diff of Slither reports for modified files
+        if: needs.changes.outputs.sol_mod_only == 'true'
+        env:
+          OPEN_API_KEY: ${{ secrets.OPEN_AI_SLITHER_API_KEY }}
+        shell: bash
+        run: |
+          set -euo pipefail
+          for base_report in contracts/slither-reports-base-ref/*.md; do
+            filename=$(basename "$base_report")
+            current_report="contracts/slither-reports-current/$filename"
+            new_issues_report="contracts/slither-reports-current/${filename%.md}_new_issues.md"
+            if [ -f "$current_report" ]; then
+              if ./contracts/scripts/ci/find_slither_report_diff.sh "$base_report" "$current_report" "$new_issues_report" "contracts/scripts/ci/prompt-difference.md" "contracts/scripts/ci/prompt-validation.md"; then          
+                if [[ -s $new_issues_report ]]; then    
+                  awk 'NR==2{print "*This new issues report has been automatically generated by LLM model using two Slither reports. One based on `${{ github.base_ref}}` and another on `${{ github.sha }}` commits.*"}1' $new_issues_report > tmp.md && mv tmp.md $new_issues_report                                  
+                  echo "Replacing full Slither report with diff for $current_report"            
+                  rm $current_report && mv $new_issues_report $current_report
+                else 
+                  echo "No difference detected between $base_report and $current_report reports. Won't include any of them."
+                  rm $current_report
+                fi
+              else
+                echo "::warning::Failed to generate a diff report with new issues for $base_report using an LLM model, will use full report."
+              fi
+
+            else
+              echo "::error::Failed to find current commit's equivalent of $base_report (file $current_file doesn't exist, but should have been generated). Please check Slither logs."
+              exit 1
+            fi
           done
 
+      # actions that execute only if any existing contracts were modified end here
       - name: Print Slither summary
         shell: bash
         run: |
           echo "# Static analysis results " >> $GITHUB_STEP_SUMMARY
-          for file in "contracts/slither-reports"/*.md; do
+          for file in "contracts/slither-reports-current"/*.md; do
             if [ -e "$file" ]; then
               cat "$file" >> $GITHUB_STEP_SUMMARY
             fi
@@ -296,17 +445,17 @@ jobs:
         uses: ./.github/actions/validate-solidity-artifacts
         with:
           validate_slither_reports: 'true'
-          slither_reports_path: 'contracts/slither-reports'
+          slither_reports_path: 'contracts/slither-reports-current'
           sol_files: ${{ needs.changes.outputs.not_test_sol_modified_files }}
 
-      - name: Upload Slither report
+      - name: Upload Slither reports
         uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
         timeout-minutes: 10
         continue-on-error: true
         with:
           name: slither-reports-${{ github.sha }}
           path: |
-            contracts/slither-reports
+            contracts/slither-reports-current
           retention-days: 7
 
       - name: Collect Metrics
@@ -320,6 +469,11 @@ jobs:
           this-job-name: Run static analysis
         continue-on-error: true
 
+      - name: Remove temp artifacts
+        uses: geekyeggo/delete-artifact@24928e75e6e6590170563b8ddae9fac674508aa1 # v5.0
+        with:
+          name: tmp-*
+
   solidity-forge-fmt:
     name: Forge fmt ${{ matrix.product.name }}
     if: ${{ needs.changes.outputs.non_src_changes == 'true' || needs.changes.outputs.not_test_sol_modified == 'true' }}

contracts/scripts/ci/find_slither_report_diff.sh

@@ -0,0 +1,94 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [[ "$#" -lt 4 ]]; then
+  >&2 echo "Generates a markdown file with diff in new issues detected by ChatGPT between two Slither reports."
+  >&2 echo "Usage: $0 <path-to-first-report> <path-to-second-report> <path-to-diff-report-output> <path-to-prompt> [path-to-validation-prompt]"
+  exit 1
+fi
+
+if [[ -z "${OPEN_API_KEY+x}" ]]; then
+  >&2 echo "OPEN_API_KEY is not set."
+  exit 1
+fi
+
+first_report_path=$1
+second_report_path=$2
+new_issues_report_path=$3
+report_prompt_path=$4
+if [[ "$#" -eq 5 ]]; then
+  validation_prompt_path=$5
+else
+  validation_prompt_path=""
+fi
+
+first_report_content=$(cat "$first_report_path" | sed 's/"//g' | sed -E 's/\\+$//g' | sed -E 's/\\+ //g')
+second_report_content=$(cat "$second_report_path" | sed 's/"//g' | sed -E 's/\\+$//g' | sed -E 's/\\+ //g')
+openai_prompt=$(cat "$report_prompt_path" | sed 's/"/\\"/g' | sed -E 's/\\+$//g' | sed -E 's/\\+ //g')
+openai_model="gpt-4o"
+openai_result=$(echo '{
+  "model": "'$openai_model'",
+  "temperature": 0.01,
+  "messages": [
+    {
+      "role": "system",
+      "content": "'$openai_prompt' \nreport1:\n```'$first_report_content'```\nreport2:\n```'$second_report_content'```"
+    }
+  ]
+}' | envsubst | curl https://api.openai.com/v1/chat/completions \
+              -w "%{http_code}" \
+              -o prompt_response.json \
+              -H "Content-Type: application/json" \
+              -H "Authorization: Bearer $OPEN_API_KEY" \
+              -d @-
+)
+
+# throw error openai_result when is not 200
+if [ "$openai_result" != '200' ]; then
+  echo "::error::OpenAI API call failed with status $openai_result: $(cat prompt_response.json)"
+  exit 1
+fi
+
+# replace lines starting with ' -' (1space) with '  -' (2spaces)
+response_content=$(cat prompt_response.json | jq -r '.choices[0].message.content')
+new_issues_report_content=$(echo "$response_content" | sed -e 's/^ -/  -/g')
+echo "$new_issues_report_content" > "$new_issues_report_path"
+
+if [[ -n "$validation_prompt_path" ]]; then
+  echo "::debug::Validating the diff report using the validation prompt"
+  openai_model="gpt-4-turbo"
+  report_input=$(echo "$new_issues_report_content" | sed 's/"//g' | sed -E 's/\\+$//g' | sed -E 's/\\+ //g')
+  validation_prompt_content=$(cat "$validation_prompt_path" | sed 's/"/\\"/g' | sed -E 's/\\+$//g' | sed -E 's/\\+ //g')
+  validation_result=$(echo '{
+    "model": "'$openai_model'",
+    "temperature": 0.01,
+    "messages": [
+      {
+        "role": "system",
+        "content": "'$validation_prompt_content' \nreport1:\n```'$first_report_content'```\nreport2:\n```'$second_report_content'```\nnew_issues:\n```'$report_input'```"
+      }
+    ]
+  }' | envsubst | curl https://api.openai.com/v1/chat/completions \
+                -w "%{http_code}" \
+                -o prompt_validation_response.json \
+                -H "Content-Type: application/json" \
+                -H "Authorization: Bearer $OPEN_API_KEY" \
+                -d @-
+  )
+
+  # throw error openai_result when is not 200
+  if [ "$validation_result" != '200' ]; then
+    echo "::error::OpenAI API call failed with status $validation_result: $(cat prompt_validation_response.json)"
+    exit 1
+  fi
+
+  # replace lines starting with ' -' (1space) with '  -' (2spaces)
+  response_content=$(cat prompt_validation_response.json | jq -r '.choices[0].message.content')
+
+  echo "$response_content" | sed -e 's/^ -/  -/g' >> "$new_issues_report_path"
+  echo "" >> "$new_issues_report_path"
+  echo "*Confidence rating presented above is an automatic validation (self-check) of the differences between two reports generated by ChatGPT ${openai_model} model. It has a scale of 1 to 5, where 1 means that all new issues are missing and 5 that all new issues are present*." >> "$new_issues_report_path"
+  echo "" >> "$new_issues_report_path"
+  echo "*If confidence rating is low it's advised to look for differences manually by downloading Slither reports for base reference and current commit from job's artifacts*." >> "$new_issues_report_path"
+fi