feat(simulator): add blockchain explorer for transaction monitoring#653
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OsejiFabian wants to merge 1 commit into
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feat(simulator): add blockchain explorer for transaction monitoring#653OsejiFabian wants to merge 1 commit into
OsejiFabian wants to merge 1 commit into
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…tellarDevHub#579) - Add useBlockchainExplorer hook with WebSocket support and simulation fallback - Add BlockchainExplorer component with live feed, search/filter, expandable rows - Add /simulator/explorer page with educational context - Add 17 unit tests (100% stmt/func, 84% branch coverage on hook) - Update vitest coverage config to include new hook
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Summary
Implements the Blockchain Explorer feature requested in #579.
Changes
useBlockchainExplorerhook — manages transaction state, stats, and real-time updates. Connects via native WebSocket when a URL is provided; falls back to a realistic simulation interval for offline/educational use. ExposestoggleLive,clearTransactions, connection status, and computed stats.BlockchainExplorercomponent — displays a live transaction stream with search/filter controls, a stats bar (total TXs, success rate, avg fee, latest ledger), expandable row details, and a connection status indicator. WCAG 2.1 accessible (ARIA labels, live regions, roles)./simulator/explorerpage — integrates the component with an educational note explaining what blockchain explorers do.Tests
17 unit tests covering simulation mode, pause/resume, maxTransactions cap, WebSocket connect/disconnect/error/message/close/unmount, malformed message handling, and invalid URL fallback.
Hook coverage: 100% statements, 100% functions, 84% branches.
What was tested
pnpm test)Closes #579