Add transaction simulator, webhook dedup, security checklist, and campaign archive - #558
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ayshadogo merged 2 commits intoJul 30, 2026
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…ampaign archive - Add transaction_simulator module to SDK with simulate_contract_call, build_tx_envelope, and estimate_resources - Add webhook dedup by idempotency_key or event:campaign:tx_hash:amount composite key - Add HMAC-SHA256 webhook signature verification (verify_signature) - Create docs/SECURITY_REVIEW_CHECKLIST.md with threat model and deployment checklist - Add archive_campaign to CampaignContract for admin cleanup of completed/rejected campaigns - Add campaign_archived event emission Closes Dfunder#539 Closes Dfunder#540 Closes Dfunder#541 Closes Dfunder#542
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Summary
Added deterministic transaction building, webhook replay protection, security documentation, and campaign lifecycle management.
Changes
Closes #539
Closes #540
Closes #541
Closes #542