9f30823d70
* Strip erc20 package of legacy nonsense and add foundry basics * Make foundry build * Remove obsoleted test/UntransferrableDummyERC20Token.sol contract * Remove obsoleted ERC20 lib variant contracts * Remove obsoleted DummyMultipleReturnERC20Token and DummyNoReturnERC20Token contracts * Move test contract to dedicated folder and remove obsoleted TypeScript contract wrappers * Remove src/interfaces/IEtherToken.sol only used in v3 staking which is being obsoleted [skip ci] * Add foundry test for token * Migrate ZRX token tests to foundry * Fix paths to erc20 contracts * Remove obsoleted references * Pin erc20-contracts package on treasury * Ignore foundry imports in link checker * Run only forge tests for erc20 contracts * Remove DummyERC20Token and its dependencies * Merge IERC20TokenV06 and IERC20TokenV08 into range pragma to cover solidity 0.6.5 to 0.8.x * Merge IEtherTokenV06 and IEtherTokenV08 into range pragma to cover solidity 0.6.5 to 0.8.x * Migrate weth9 tests to foundry * Upload code coverage for erc20 package * Update changelog * Fix review comments Co-authored-by: duncancmt <1207590+duncancmt@users.noreply.github.com> --------- Co-authored-by: duncancmt <1207590+duncancmt@users.noreply.github.com>
64 lines
2.6 KiB
Solidity
64 lines
2.6 KiB
Solidity
// SPDX-License-Identifier: Apache-2.0
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/*
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Copyright 2023 ZeroEx Intl.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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pragma solidity >=0.6.5 <0.9;
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interface IERC20Token {
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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/// @dev send `value` token to `to` from `msg.sender`
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/// @param to The address of the recipient
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/// @param value The amount of token to be transferred
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/// @return True if transfer was successful
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function transfer(address to, uint256 value) external returns (bool);
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/// @dev send `value` token to `to` from `from` on the condition it is approved by `from`
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/// @param from The address of the sender
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/// @param to The address of the recipient
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/// @param value The amount of token to be transferred
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/// @return True if transfer was successful
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function transferFrom(address from, address to, uint256 value) external returns (bool);
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/// @dev `msg.sender` approves `spender` to spend `value` tokens
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/// @param spender The address of the account able to transfer the tokens
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/// @param value The amount of wei to be approved for transfer
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/// @return Always true if the call has enough gas to complete execution
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function approve(address spender, uint256 value) external returns (bool);
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/// @dev Query total supply of token
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/// @return Total supply of token
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function totalSupply() external view returns (uint256);
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/// @dev Get the balance of `owner`.
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/// @param owner The address from which the balance will be retrieved
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/// @return Balance of owner
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function balanceOf(address owner) external view returns (uint256);
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/// @dev Get the allowance for `spender` to spend from `owner`.
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/// @param owner The address of the account owning tokens
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/// @param spender The address of the account able to transfer the tokens
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/// @return Amount of remaining tokens allowed to spent
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function allowance(address owner, address spender) external view returns (uint256);
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/// @dev Get the number of decimals this token has.
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function decimals() external view returns (uint8);
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}
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