AggLayer: validate destination_network during bridge-out#2778
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Fumuran merged 3 commits intoandrew-validate-destination-network-bridge-infrom Apr 28, 2026
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* refactor: add a destination network check to the claim script * docs: remove redundant clarification * refactor: move Miden network ID constant to constants.masm file * chore: fix comment leftovers * refactor: rename ClaimDataSource Simulated to Mainnet * AggLayer: validate `destination_network` during bridge-out (#2778) * refactor: add destination network check during bridge-out * docs: add inline comments to the test
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Summary
Adds an AggLayer-aligned guard on bridge-out: a
B2AGGnote’s destination network ID must not equal Miden’s AggLayer network ID (MIDEN_NETWORK_ID). This matches the rule that an exit cannot target the current chain as its destination, and complements the existing CLAIM path that requires leaves to target Miden as the destination.Changes
bridge_out.masm: Early inbridge_out, assertdestination_network ≠ MIDEN_NETWORK_ID. New errorERR_B2AGG_DESTINATION_NETWORK_IS_MIDEN.b2agg.masm/SPEC.md: Document the new failure mode in theB2AGG/bridge-outflow.bridge_out.rs:test_bridge_out_fails_when_destination_is_miden_network— registered faucet, B2AGG note withAggLayerBridge::MIDEN_NETWORK_ID, expects the new error.Closes: #2747