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Require fork-mode cheatcode permission for both the execution context and the effective code address. Track initialized frame identities across nested execution and restore the suspended caller when execution ends. Only inherit CREATE/CREATE2 permissions through authorized ancestors to prevent untrusted code from obtaining access through a local factory. Cover delegated execution, EIP-7702, nested creation and script broadcasts.
Skip duplicate allowlist lookups when the caller, execution context and code share an address. Resolve delegated bytecode only for call frames; constructors already execute initcode under the created address. Reuse an empty frame buffer for independent executions and inherited snapshots. Restore full parent identities after nested failures and keep one spare buffer across recursive scopes. Cover buffer reuse and mixed nesting, and extend the fork regression to recursive constructor failures.
Keep direct and delegated denial checks in the shared lifecycle suite and remove the redundant script envOr probe. Preserve isolated execution and dry-run/broadcast coverage.
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Fork-mode cheatcode access currently checks the caller address, allowing delegated code to borrow the caller's permission.
DELEGATECALL,CALLCODEand EIP-7702 delegation targets.vm.allowCheatcodesgrants effective at the point of use.