init

.env.sample

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+MNEMONIC=""
+# Used for infura based network
+INFURA_KEY=""
+# Used for custom network
+NODE_URL=""
+ETHERSCAN_API_KEY=""

.gitattributes

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+*.sol linguist-language=Solidity

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Bug report about the Safe smart contracts
+
+---
+
+## Prerequisites
+
+- First, many thanks for taking part in the community and helping us improve. We appreciate that a lot.
+- Support questions are better asked in our Gitter chat: https://gitter.im/gnosis/Safe
+- Please ensure the issue isn't already reported.
+
+*Please delete the above section and the instructions in the sections below before submitting*
+
+## Description
+
+Please describe considely the bug you have found, and what you expect instead.
+
+## Environment
+
+- Compiler version:
+- Compiler options (if applicable, e.g. optimizer enabled):
+- Framework/IDE (e.g. Truffle or Remix):
+- EVM execution environment / backend / blockchain client:
+- Operating system:
+
+## Steps to reproduce
+
+If applicable, please provide a *minimal* source code example to trigger the bug you have found.
+Provide as much information as necessary to reproduce the bug.
+
+## Additional context
+
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea or feature request for the Safe smart contracts project
+
+---
+
+## Prerequisites
+
+- First, many thanks for taking part in the community and helping us improve. We appreciate that a lot.
+- Support questions are better asked in our Gitter chat: https://gitter.im/gnosis/Safe
+- Please ensure the issue isn't already reported.
+
+*Please delete the above section and the instructions in the sections below before submitting*
+
+## Context / issue
+
+In case your feature request related to a problem, please add clear and concise description of what the issue is.
+
+## Proposed solution
+
+Please add a clear and concise description of what you want to happen.
+
+## Alternatives
+
+Please add a clear and concise description of any alternative solutions or features you've considered.
+
+## Additional context
+
+Add any other context or screenshots about the feature request here.

.github/workflows/ci.yml

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+name: safe-contracts
+on: [push]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 16.7.0
+      - uses: actions/cache@v2
+        with:
+          path: "**/node_modules"
+          key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+      - run: yarn --frozen-lockfile
+      - run: yarn build
+      - run: yarn coverage
+      - name: Coveralls
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 16.7.0
+      - uses: actions/cache@v2
+        with:
+          path: "**/node_modules"
+          key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+      - run: yarn --frozen-lockfile
+      - run: yarn lint:sol
+  tests-other:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        contract-name: ["GnosisSafeL2"]
+    env:
+      SAFE_CONTRACT_UNDER_TEST: ${{ matrix.contract-name }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 16.7.0
+      - uses: actions/cache@v2
+        with:
+          path: "**/node_modules"
+          key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+      - run: yarn --frozen-lockfile
+      - run: yarn build
+      - run: yarn coverage
+      - name: Coveralls
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+  benchmarks:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        solidity: ["0.7.6", "0.8.2"]
+        include:
+        - solidity: "0.8.2"
+          settings: '{"viaIR":true,"optimizer":{"enabled":true,"runs":10000}}'
+    env:
+      SOLIDITY_VERSION: ${{ matrix.solidity }}
+      SOLIDITY_SETTINGS: ${{ matrix.settings }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 16.7.0
+      - uses: actions/cache@v2
+        with:
+          path: "**/node_modules"
+          key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+      - run: (yarn --frozen-lockfile && yarn build && yarn hardhat codesize --contractname GnosisSafe && yarn benchmark) || echo "Benchmark failed"

.gitignore

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+build/
+node_modules/
+.DS_Store
+.zos.session
+.openzeppelin/.session
+deployments/
+env/
+dist/
+.env
+bin/
+solc
+coverage/
+coverage.json
+yarn-error.log

.husky/.gitignore

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+_

.husky/pre-commit

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+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+# Redirect output to stderr.
+exec 1>&2
+
+# prevent it.only or describe.only commited
+if [ "$allowonlytests" != "true" ] &&
+    test $(git diff --cached | grep -E "\b(it|describe).only\("  | wc -l) != 0
+then
+    cat <<\EOF
+Error: Attempt to add it.only or describe.only - which may disable all other tests
+ 
+If you know what you are doing you can disable this check using:
+ 
+    git config hooks.allowonlytests true
+EOF
+    exit 1
+fi
+
+exit 0

.nvmrc

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+v16.7.0

.prettierrc

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+{
+    "overrides": [
+        {
+            "files": "*.sol",
+            "options": {
+                "printWidth": 140,
+                "tabWidth": 4,
+                "useTabs": false,
+                "singleQuote": false,
+                "bracketSpacing": false,
+                "explicitTypes": "always"
+            }
+        }
+    ],
+    "tabWidth": 2,
+    "printWidth": 140,
+    "trailingComma": "all",
+    "singleQuote": true,
+    "semi": false
+}

.solcover.js

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+module.exports = {
+    skipFiles: [],
+    mocha: {
+        grep: '@skip-on-coverage', // Find everything with this tag
+        invert: true, // Run the grep's inverse set.
+    },
+    providerOptions: {
+        callGasLimit: '0x6691b7',
+    },
+}

.solhint.json

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+{
+    "extends": "solhint:recommended",
+    "plugins": [
+        "prettier"
+    ],
+    "rules": {
+        "compiler-version": "off",
+        "func-visibility": [
+            "warn",
+            {
+                "ignoreConstructors": true
+            }
+        ],
+        "prettier/prettier": "error",
+        "not-rely-on-time": "off",
+        "reason-string": "off",
+        "no-empty-blocks": "off",
+        "avoid-low-level-calls": "off"
+    }
+}

.vscode/launch.json

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+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "truffle test (ganache running)",
+            "type": "node",
+            "request": "launch",
+            "program": "${workspaceRoot}/node_modules/truffle/build/cli.bundled.js",
+            "args": [
+                "test"
+            ],
+            "cwd": "${workspaceRoot}",
+            "outFiles": [
+                "${workspaceRoot}/test/**/*"
+            ],
+        },
+    ]
+}