fix(batch-tx): replace simulated confirmation with viem-based provider reads#549
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- Replace localStorage plaintext UUID storage with salted hash - Add per-session salt stored in sessionStorage - Add synchronous hash function for device identity - Update tests to verify hashed storage behavior Closes MettaChain#448
- Add /api/security/address-check Next.js API route to proxy Chainalysis requests - Remove API key exposure from browser via window global (__CHAINALYSIS_API_KEY__) - Move API key to server-only CHAINALYSIS_API_KEY env variable - Add security:check-globals npm script to prevent future __ global leaks - Update tests to verify proxy endpoint usage Closes MettaChain#442
…ing in ChartStyle - Remove dangerouslySetInnerHTML usage in chart.tsx ChartStyle component - Use React's built-in text content escaping via JSX children - Filter empty CSS rules to prevent rendering empty style tags - CSS content is automatically HTML-escaped by React's text node rendering Closes MettaChain#439
…ovider reads - Replace Math.random()-based simulation with real viem publicClient reads - Add NEXT_PUBLIC_DEMO_TX feature flag for demo/simulation mode - Replace polling loop with viem's waitForTransactionReceipt - Add comprehensive unit tests covering validation, demo mode, and edge cases Closes MettaChain#431
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Summary (P2)
\BatchTransactionService\ used \Math.random()\ to fabricate confirmation data and raced between real and fake states, causing inconsistent success/failure branching.
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Tests
Closes #431