feat: Add new Safe Wallet reusable workflow

[Le-Caignec]

Add Safe Transaction Proposer Reusable Workflow

Summary

Adds a reusable GitHub Actions workflow to create and propose transactions to Safe multi-signature wallets.

Technical Details

• Workflow: .github/workflows/safe-transaction.yml
• Dependencies: Safe API Kit, Protocol Kit, Ethers.js
• Inputs: Safe address, target address, transaction data, RPC URL, API key
• Outputs: Transaction hash and details
• Security: Hardcoded Call operation (no DelegateCall)

Usage

jobs:
  safe-transaction:
    uses: ./.github/workflows/safe-transaction.yml
    secrets:
      proposer-private-key: ${{ secrets.PROPOSER_PRIVATE_KEY }}
      safe-api-key: ${{ secrets.SAFE_API_KEY }}
    with:
      safe-address: "0x..."
      transaction-target-address: "0x..."
      transaction-data: "0x..."

[Copilot]

Pull Request Overview

This PR introduces a new reusable GitHub Actions workflow for proposing transactions to Safe (Gnosis Safe) multi-signature wallets. The implementation provides a complete solution for integrating Safe transaction proposals into CI/CD pipelines.

Key changes:

• Adds a complete Safe transaction workflow with Node.js action implementation
• Provides comprehensive documentation and usage examples
• Implements proper security practices for handling private keys

Reviewed Changes

Copilot reviewed 7 out of 8 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
safe-transaction/src/index.js	Core JavaScript implementation handling Safe transaction creation and proposal
.github/workflows/safe-transaction.yml	Reusable GitHub Actions workflow definition with inputs/outputs
safe-transaction/package.json	NPM package configuration with Safe SDK dependencies
safe-transaction/README.md	Comprehensive documentation with usage examples
safe-transaction/version.txt	Version tracking file
safe-transaction/CHANGELOG.md	Initial changelog entry
safe-transaction/.gitignore	Standard gitignore for Node.js projects

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[zguesmi]

Reminder

[zguesmi]

Let's use this !