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ERC1363 #3017

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13 changes: 4 additions & 9 deletions contracts/interfaces/IERC1363.sol
Original file line number Diff line number Diff line change
Expand Up @@ -6,19 +6,14 @@ pragma solidity ^0.8.0;
import "./IERC20.sol";
import "./IERC165.sol";

interface IERC1363 is IERC165, IERC20 {
interface IERC1363 is IERC20, IERC165 {
/*
* Note: the ERC-165 identifier for this interface is 0x4bbee2df.
* 0x4bbee2df ===
* Note: the ERC-165 identifier for this interface is 0xb0202a11.
* 0xb0202a11 ===
* bytes4(keccak256('transferAndCall(address,uint256)')) ^
* bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)'))
*/

/*
* Note: the ERC-165 identifier for this interface is 0xfb9ec8ce.
* 0xfb9ec8ce ===
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
* bytes4(keccak256('approveAndCall(address,uint256)')) ^
* bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
*/
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60 changes: 60 additions & 0 deletions contracts/mocks/ERC1363Mock.sol
Original file line number Diff line number Diff line change
@@ -0,0 +1,60 @@
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../token/ERC20/extensions/ERC1363.sol";

contract ERC1363Mock is ERC1363 {
constructor(
string memory name,
string memory symbol,
address initialAccount,
uint256 initialBalance
) payable ERC20(name, symbol) {
_mint(initialAccount, initialBalance);
}

function mint(address account, uint256 amount) public {
_mint(account, amount);
}

function burn(address account, uint256 amount) public {
_burn(account, amount);
}
}

contract ERC1363ReceiverMock is IERC1363Receiver, IERC1363Spender {
event TransferReceived(address operator, address from, uint256 value, bytes data);
event ApprovalReceived(address owner, uint256 value, bytes data);

function onTransferReceived(
address operator,
address from,
uint256 value,
bytes memory data
) external override returns (bytes4) {
if (data.length == 1) {
if (data[0] == 0x00) return bytes4(0);
if (data[0] == 0x01) revert("onTransferReceived revert");
if (data[0] == 0x02) revert();
if (data[0] == 0x03) assert(false);
}
emit TransferReceived(operator, from, value, data);
return this.onTransferReceived.selector;
}

function onApprovalReceived(
address owner,
uint256 value,
bytes memory data
) external override returns (bytes4) {
if (data.length == 1) {
if (data[0] == 0x00) return bytes4(0);
if (data[0] == 0x01) revert("onApprovalReceived revert");
if (data[0] == 0x02) revert();
if (data[0] == 0x03) assert(false);
}
emit ApprovalReceived(owner, value, data);
return this.onApprovalReceived.selector;
}
}
142 changes: 142 additions & 0 deletions contracts/token/ERC20/extensions/ERC1363.sol
Original file line number Diff line number Diff line change
@@ -0,0 +1,142 @@
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "../ERC20.sol";
import "../../../interfaces/IERC1363.sol";
import "../../../interfaces/IERC1363Receiver.sol";
import "../../../interfaces/IERC1363Spender.sol";
import "../../../utils/introspection/ERC165.sol";
import "../../../utils/Address.sol";

abstract contract ERC1363 is IERC1363, ERC20, ERC165 {
using Address for address;

/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
return interfaceId == type(IERC1363).interfaceId || super.supportsInterface(interfaceId);
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}

/**
* @dev See {IERC1363-transferAndCall}.
*/
function transferAndCall(address to, uint256 value) public override returns (bool) {
return transferAndCall(to, value, bytes(""));
}

/**
* @dev See {IERC1363-transferAndCall}.
*/
function transferAndCall(
address to,
uint256 value,
bytes memory data
) public override returns (bool) {
require(transfer(to, value));
require(
_checkOnTransferReceived(_msgSender(), to, value, data),
"ERC1363: transfer to non ERC1363Receiver implementer"
);
return true;
}

/**
* @dev See {IERC1363-transferFromAndCall}.
*/
function transferFromAndCall(
address from,
address to,
uint256 value
) public override returns (bool) {
return transferFromAndCall(from, to, value, bytes(""));
}

/**
* @dev See {IERC1363-transferFromAndCall}.
*/
function transferFromAndCall(
address from,
address to,
uint256 value,
bytes memory data
) public override returns (bool) {
require(transferFrom(from, to, value));
require(
_checkOnTransferReceived(from, to, value, data),
"ERC1363: transfer to non ERC1363Receiver implementer"
);
return true;
}

/**
* @dev See {IERC1363-approveAndCall}.
*/
function approveAndCall(address spender, uint256 value) public override returns (bool) {
return approveAndCall(spender, value, bytes(""));
}

/**
* @dev See {IERC1363-approveAndCall}.
*/
function approveAndCall(
address spender,
uint256 value,
bytes memory data
) public override returns (bool) {
require(approve(spender, value));
require(
_checkOnApprovalReceived(_msgSender(), spender, value, data),
"ERC1363: transfer to non ERC1363Spender implementer"
);
return true;
}

/**
* @dev Internal function to invoke {IERC1363Receiver-onTransferReceived} on a target address.
* The call is not executed if the target address is not a contract.
*/
function _checkOnTransferReceived(
address from,
address to,
uint256 value,
bytes memory data
) private returns (bool) {
try IERC1363Receiver(to).onTransferReceived(_msgSender(), from, value, data) returns (bytes4 retval) {
return retval == IERC1363Receiver.onTransferReceived.selector;
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Now that we always revert we could just revert in here instead of returning boolean no?

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I copied the approach we use in the ERC721 checks, for consistency through the code base, but I guess putting the require here would be ok

} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC1363: transfer to non ERC1363Receiver implementer");
} else {
/// @solidity memory-safe-assembly
assembly {
revert(add(32, reason), mload(reason))
}
}
}
}

/**
* @dev Internal function to invoke {IERC1363Spender-onApprovalReceived} on a target address.
* The call is not executed if the target address is not a contract.
*/
function _checkOnApprovalReceived(
address owner,
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address spender,
uint256 value,
bytes memory data
) private returns (bool) {
try IERC1363Spender(spender).onApprovalReceived(owner, value, data) returns (bytes4 retval) {
return retval == IERC1363Spender.onApprovalReceived.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC1363: transfer to non ERC1363Spender implementer");
} else {
/// @solidity memory-safe-assembly
assembly {
revert(add(32, reason), mload(reason))
}
}
}
}
}
2 changes: 1 addition & 1 deletion scripts/checks/inheritance-ordering.js
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ for (const artifact of artifacts) {
const linearized = [];

for (const source in solcOutput.contracts) {
if (source.includes('/mocks/')) {
if ([ '/mocks/', '/presets/' ].some(skip => source.includes(skip))) {
continue;
}

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