Transaction Visualization, Wallet Discovery, and Notification Reminders

[Andre-Diamond]

Transaction Visualization and Builder

• Add token-flow visualization for transaction inputs and outputs
• Split multisig, connected-wallet, and external addresses into separate visual lanes
• Display transaction fees and change outputs
• Add transaction building for payments and multiple assets
• Add staking certificate actions to the transaction builder
• Add governance voting actions to the transaction builder
• Add CIP-100 vote-rationale editing and uploading
• Add CIP-20 transaction metadata support
• Add support for loading and editing existing pending transactions
• Add funding-source selection for multisig wallets, connected wallets, and arbitrary addresses
• Add transaction validation, build-result reporting, and automated tests

Per-transaction Governance Information

• Add a governance API for retrieving votes and DRep certificates by transaction
• Resolve proposal titles to provide additional vote context
• Add governance badges to transaction displays
• Add input validation and rate limiting
• Add tests for governance responses and error handling

Wallet Discovery

• Add wallet lookup by signer address or key hash
• Add wallet lookup by multisig address or native-script hash
• Add a public endpoint for resolving native scripts
• Match resolved script participants against CIP-0146 registrations
• Allow non-participants to inspect discovery results without importing them
• Add MCP wallet lookup by script hash or address
• Add unit and Playwright tests for the Discover flow

Notification Center Follow-ups

• Add threshold-reached notifications for transactions and signable payloads
• Add ballot-deadline notifications
• Send reminders during the 48-hour and 24-hour deadline windows
• Cover saved ballots and pending governance transactions
• Add per-wallet settings for the new notification types
• Add email templates for threshold and ballot-deadline events
• Add an hourly workflow for scanning ballot deadlines
• Add idempotent delivery handling and automated tests

CI, Security, and Maintenance

• Use the repository-defined npm version in CI workflows
• Improve SSRF-defense test coverage
• Fix governance API test mocks
• Handle missing wallet script CBOR safely
• Update the roadmap month mapping and upcoming work
• Add project-task-board and multisig-payout planning to the roadmap

https://github.com/MeshJS/multisig/commits/preprod/?author=Andre-Diamond&since=2026-08-01&until=2026-08-31