feat: implement EIP-712 typed structured data signing#68
Merged
dDevAhmed merged 1 commit intoDigiNodes:mainfrom Mar 29, 2026
Merged
feat: implement EIP-712 typed structured data signing#68dDevAhmed merged 1 commit intoDigiNodes:mainfrom
dDevAhmed merged 1 commit intoDigiNodes:mainfrom
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- Add EIP712Verifier contract with domain separator - Implement ClaimSubmission typed data schema - Implement VerificationIntent typed data schema - Add signature verification with ECDSA recovery - Include nonce-based replay protection - Track used signatures to prevent reuse - Add helper functions for off-chain hash generation - Add comprehensive test suite covering: - Valid signature verification - Invalid signature rejection - Expired signature rejection - Replay attack prevention - Nonce increment verification - Hash generation consistency
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closes #52