feat: shared dispute game migration for interop#19840

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stevennevins wants to merge 34 commits intodevelopfrom

feat/interop-shared-dispute-game

Commits on Apr 3, 2026

feat: integrate SysFeature for Interop
stevennevins
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feat: add interop migration functions and eth lockbox to portal2
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chore: rename function to migrateToSharedDisputeGame
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chore: bump snapshots
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fix: use Portal2 in OPCM migrator
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fix: semver bumps from interface change
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fix: only overwrite the lock box when passing non-zero value
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chore: update comments to refer to OptimismPortal2 instead of OptimismPortalInterop
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fix: mismatched names

digorithm
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stevennevins
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fix: enable INTEROP feature flag in v1 OPCM deploy path

digorithm
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stevennevins
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fix: remove casting to OptimismPortalInterop
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chore: remove OptimismPortalInterop dead code
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chore: update comment to remove OptimismPortalInterop
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chore: remove OptimismPortalInterop specific tests since we now test OptimismPortal2 via the feature flag
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fix: restore superRootsActive flag in super-roots withdrawal proof tests

digorithm
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stevennevins
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fix: test name camelCase
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chore: remove OptimismPortalInterop from Initializable tests and remove interface from OPCM_V2
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fix: normalize INTEROP feature in SystemConfig fuzz test

digorithm
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stevennevins
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chore: add references for OptimismPortalInterop removal issue
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chore: remove stale comment about superRootsActive
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fix(portal): bump OptimismPortal2 version and fix OPCM_V2 interop upgrade ordering
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chore: update checks for superRootActie to be for the INTEROP feature flag
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fix: standard validator assertions to be for Portal2 instead of PortalInterop when OPCM_V2 and Interop feature flags enabled
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fix: change event params back to non-indexed versions
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chore: clean up branching logic for portal/opcm feature flags
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chore: refactor the checks in assertValidPortal
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chore: organize functions by visibility
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fix: implement the _assertValidInteropState helper and add to initalize
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fix: update assert for INTEROP flag instead of superroots active
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chore: add clarification to the comment about the prerequisites to the portal migration functions
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chore: add TODO issue tracking for follow up removal
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fix: add missing OptimismPortal_InvalidInteropState error to IOptimismPortal2

digorithm
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stevennevins
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fix: assertions for the forked upgrade scenario
stevennevins
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refactor: remove OPCM_V2 feature flag, make V2 canonical
stevennevins
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