39 lines
1.3 KiB
Solidity
39 lines
1.3 KiB
Solidity
// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts (last updated v4.8.2) (token/ERC1155/extensions/ERC1155Pausable.sol)
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pragma solidity ^0.8.19;
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import {ERC1155} from "../ERC1155.sol";
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import {Pausable} from "../../../security/Pausable.sol";
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/**
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* @dev ERC1155 token with pausable token transfers, minting and burning.
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*
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* Useful for scenarios such as preventing trades until the end of an evaluation
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* period, or having an emergency switch for freezing all token transfers in the
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* event of a large bug.
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*
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* IMPORTANT: This contract does not include public pause and unpause functions. In
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* addition to inheriting this contract, you must define both functions, invoking the
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* {Pausable-_pause} and {Pausable-_unpause} internal functions, with appropriate
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* access control, e.g. using {AccessControl} or {Ownable}. Not doing so will
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* make the contract pause mechanism of the contract unreachable, and thus unusable.
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*/
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abstract contract ERC1155Pausable is ERC1155, Pausable {
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/**
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* @dev See {ERC1155-_update}.
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*
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* Requirements:
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*
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* - the contract must not be paused.
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*/
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function _update(
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address from,
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address to,
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uint256[] memory ids,
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uint256[] memory values
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) internal virtual override whenNotPaused {
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super._update(from, to, ids, values);
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}
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}
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