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Related concept

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Signature

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Description

Creates a new composite policy that combines existing simple policies under a logic gate. Dev: Child policies must be simple policies (ALLOWLIST or BLOCKLIST), never another composite. The child-policy set is capped at 4. Dev: Reverts with IncompatiblePolicyType when policyType is not UNION or INTERSECT. Dev: Reverts with ZeroAddress when admin is address(0). Dev: Reverts with ChildPoliciesOutsideOfRange(2, 4) when childPolicyIds.length is not in [2, 4]. Dev: Reverts with PolicyNotFound when any child policy does not exist. Dev: Reverts with InvalidChildPolicy when any child policy is not a simple policy or a built-in policy. Dev: Panics with arithmetic overflow (Panic 0x11) when the policy counter has reached its maximum value. Param: admin Initial admin authorized to update child policies and transfer or renounce administration. Param: policyType UNION or INTERSECT. Param: childPolicyIds Existing simple policy IDs to combine. Return: newPolicyId The newly assigned composite policy ID.

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Access control

Permissionless creation, but state-changing registry calls require the feature to be active.

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Policy interaction

This is part of the singleton PolicyRegistry surface used by B20 policy scopes.

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Example