36 lines
1.5 KiB
Solidity
36 lines
1.5 KiB
Solidity
// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts (last updated v4.9.0-rc.0) (interfaces/IERC1363Receiver.sol)
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pragma solidity ^0.8.0;
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/**
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* @dev Interface for any contract that wants to support {IERC1363-transferAndCall}
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* or {IERC1363-transferFromAndCall} from {ERC1363} token contracts.
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*/
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interface IERC1363Receiver {
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/*
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* Note: the ERC-165 identifier for this interface is 0x88a7ca5c.
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* 0x88a7ca5c === bytes4(keccak256("onTransferReceived(address,address,uint256,bytes)"))
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*/
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/**
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* @notice Handle the receipt of ERC1363 tokens
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* @dev Any ERC1363 smart contract calls this function on the recipient
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* after a `transfer` or a `transferFrom`. This function MAY throw to revert and reject the
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* transfer. Return of other than the magic value MUST result in the
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* transaction being reverted.
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* Note: the token contract address is always the message sender.
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* @param operator address The address which called `transferAndCall` or `transferFromAndCall` function
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* @param from address The address which are token transferred from
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* @param amount uint256 The amount of tokens transferred
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* @param data bytes Additional data with no specified format
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* @return `bytes4(keccak256("onTransferReceived(address,address,uint256,bytes)"))` unless throwing
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*/
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function onTransferReceived(
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address operator,
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address from,
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uint256 amount,
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bytes memory data
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) external returns (bytes4);
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}
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