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Signature

IB20.sol

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Description

Permanently transitions the token to a zero-admin state. Revokes DEFAULT_ADMIN_ROLE from msg.sender. Emits RoleRevoked(DEFAULT_ADMIN_ROLE, msg.sender, msg.sender) and LastAdminRenounced(msg.sender).

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Reverts

  • AccessControlUnauthorizedAccount when msg.sender does not hold DEFAULT_ADMIN_ROLE.
  • NotSoleAdmin when other accounts also hold DEFAULT_ADMIN_ROLE.

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Access Control

Uses the B20 access-control role graph. Factory initCalls bypass role gates during creation.

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Policy Interaction

No direct policy interaction.

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Example

Usage Example