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Adds ZoneToZonePrivacy.t.sol with 3 tests verifying sender/receiver blinding during cross-zone transfers (authenticated withdrawal → encrypted deposit): - test_zoneToZone_senderAndRecipientBlinded: full E2E with two zones, router, and 6 privacy assertions - test_senderTag_cannotBeReversedWithoutTxHash: senderTag blinding verification - test_senderTags_unlinkableAcrossUsers: cross-user unlinkability Co-Authored-By: 0xKitsune <[email protected]> Amp-Thread-ID: https://ampcode.com/threads/T-019da009-e45b-7620-bd6d-81a964b11ccf
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E2E tests verifying sender/receiver blinding during cross-zone transfers (authenticated withdrawal from Zone A → encrypted deposit into Zone B via composable callback).
Changes
ZoneToZonePrivacy.t.sol: sets up two zones with separate portals, aCrossZoneEncryptedRouterreceiver, and validates 6 privacy properties:senderTagis blinded (not reversible without zone txHash)callbackDatacontains encrypted payload, not plaintext recipientWithdrawal.tois the router, not the end recipientsenderTag, never sender addressTesting
All 237 existing tests continue to pass.
Prompted by: daniel