38 lines
2.8 KiB
Solidity
38 lines
2.8 KiB
Solidity
// SPDX-License-Identifier: AGPL-3.0-or-later
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pragma solidity ^0.8.17;
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/**
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Note: The ERC-165 identifier for this interface is 0x4e2312e0.
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*/
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interface ERC1155TokenReceiver {
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/**
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@notice Handle the receipt of a single ERC1155 token type.
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@dev An ERC1155-compliant smart contract MUST call this function on the token recipient contract, at the end of a `safeTransferFrom` after the balance has been updated.
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This function MUST return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` (i.e. 0xf23a6e61) if it accepts the transfer.
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This function MUST revert if it rejects the transfer.
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Return of any other value than the prescribed keccak256 generated value MUST result in the transaction being reverted by the caller.
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@param _operator The address which initiated the transfer (i.e. msg.sender)
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@param _from The address which previously owned the token
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@param _id The ID of the token being transferred
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@param _value The amount of tokens being transferred
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@param _data Additional data with no specified format
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@return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
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*/
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function onERC1155Received(address _operator, address _from, uint256 _id, uint256 _value, bytes calldata _data) external returns(bytes4);
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/**
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@notice Handle the receipt of multiple ERC1155 token types.
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@dev An ERC1155-compliant smart contract MUST call this function on the token recipient contract, at the end of a `safeBatchTransferFrom` after the balances have been updated.
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This function MUST return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` (i.e. 0xbc197c81) if it accepts the transfer(s).
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This function MUST revert if it rejects the transfer(s).
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Return of any other value than the prescribed keccak256 generated value MUST result in the transaction being reverted by the caller.
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@param _operator The address which initiated the batch transfer (i.e. msg.sender)
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@param _from The address which previously owned the token
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@param _ids An array containing ids of each token being transferred (order and length must match _values array)
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@param _values An array containing amounts of each token being transferred (order and length must match _ids array)
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@param _data Additional data with no specified format
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@return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
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*/
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function onERC1155BatchReceived(address _operator, address _from, uint256[] calldata _ids, uint256[] calldata _values, bytes calldata _data) external returns(bytes4);
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}
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