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Diffstat (limited to 'contracts/utils/contracts/test/TestLibBytes/TestLibBytes.sol')
| -rw-r--r-- | contracts/utils/contracts/test/TestLibBytes/TestLibBytes.sol | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/contracts/utils/contracts/test/TestLibBytes/TestLibBytes.sol b/contracts/utils/contracts/test/TestLibBytes/TestLibBytes.sol deleted file mode 100644 index 444a3e717..000000000 --- a/contracts/utils/contracts/test/TestLibBytes/TestLibBytes.sol +++ /dev/null @@ -1,269 +0,0 @@ -/* - - Copyright 2018 ZeroEx Intl. - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - -*/ - -pragma solidity 0.4.24; - -import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol"; - - -contract TestLibBytes { - - using LibBytes for bytes; - - /// @dev Pops the last byte off of a byte array by modifying its length. - /// @param b Byte array that will be modified. - /// @return The byte that was popped off. - function publicPopLastByte(bytes memory b) - public - pure - returns (bytes memory, bytes1 result) - { - result = b.popLastByte(); - return (b, result); - } - - /// @dev Pops the last 20 bytes off of a byte array by modifying its length. - /// @param b Byte array that will be modified. - /// @return The 20 byte address that was popped off. - function publicPopLast20Bytes(bytes memory b) - public - pure - returns (bytes memory, address result) - { - result = b.popLast20Bytes(); - return (b, result); - } - - /// @dev Tests equality of two byte arrays. - /// @param lhs First byte array to compare. - /// @param rhs Second byte array to compare. - /// @return True if arrays are the same. False otherwise. - function publicEquals(bytes memory lhs, bytes memory rhs) - public - pure - returns (bool equal) - { - equal = lhs.equals(rhs); - return equal; - } - - function publicEqualsPop1(bytes memory lhs, bytes memory rhs) - public - pure - returns (bool equal) - { - lhs.popLastByte(); - rhs.popLastByte(); - equal = lhs.equals(rhs); - return equal; - } - - /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length. - /// @param dest Byte array that will be overwritten with source bytes. - /// @param source Byte array to copy onto dest bytes. - function publicDeepCopyBytes( - bytes memory dest, - bytes memory source - ) - public - pure - returns (bytes memory) - { - LibBytes.deepCopyBytes(dest, source); - return dest; - } - - /// @dev Reads an address from a position in a byte array. - /// @param b Byte array containing an address. - /// @param index Index in byte array of address. - /// @return address from byte array. - function publicReadAddress( - bytes memory b, - uint256 index - ) - public - pure - returns (address result) - { - result = b.readAddress(index); - return result; - } - - /// @dev Writes an address into a specific position in a byte array. - /// @param b Byte array to insert address into. - /// @param index Index in byte array of address. - /// @param input Address to put into byte array. - function publicWriteAddress( - bytes memory b, - uint256 index, - address input - ) - public - pure - returns (bytes memory) - { - b.writeAddress(index, input); - return b; - } - - /// @dev Reads a bytes32 value from a position in a byte array. - /// @param b Byte array containing a bytes32 value. - /// @param index Index in byte array of bytes32 value. - /// @return bytes32 value from byte array. - function publicReadBytes32( - bytes memory b, - uint256 index - ) - public - pure - returns (bytes32 result) - { - result = b.readBytes32(index); - return result; - } - - /// @dev Writes a bytes32 into a specific position in a byte array. - /// @param b Byte array to insert <input> into. - /// @param index Index in byte array of <input>. - /// @param input bytes32 to put into byte array. - function publicWriteBytes32( - bytes memory b, - uint256 index, - bytes32 input - ) - public - pure - returns (bytes memory) - { - b.writeBytes32(index, input); - return b; - } - - /// @dev Reads a uint256 value from a position in a byte array. - /// @param b Byte array containing a uint256 value. - /// @param index Index in byte array of uint256 value. - /// @return uint256 value from byte array. - function publicReadUint256( - bytes memory b, - uint256 index - ) - public - pure - returns (uint256 result) - { - result = b.readUint256(index); - return result; - } - - /// @dev Writes a uint256 into a specific position in a byte array. - /// @param b Byte array to insert <input> into. - /// @param index Index in byte array of <input>. - /// @param input uint256 to put into byte array. - function publicWriteUint256( - bytes memory b, - uint256 index, - uint256 input - ) - public - pure - returns (bytes memory) - { - b.writeUint256(index, input); - return b; - } - - /// @dev Reads an unpadded bytes4 value from a position in a byte array. - /// @param b Byte array containing a bytes4 value. - /// @param index Index in byte array of bytes4 value. - /// @return bytes4 value from byte array. - function publicReadBytes4( - bytes memory b, - uint256 index - ) - public - pure - returns (bytes4 result) - { - result = b.readBytes4(index); - return result; - } - - /// @dev Reads nested bytes from a specific position. - /// @param b Byte array containing nested bytes. - /// @param index Index of nested bytes. - /// @return result Nested bytes. - function publicReadBytesWithLength( - bytes memory b, - uint256 index - ) - public - pure - returns (bytes memory result) - { - result = b.readBytesWithLength(index); - return result; - } - - /// @dev Inserts bytes at a specific position in a byte array. - /// @param b Byte array to insert <input> into. - /// @param index Index in byte array of <input>. - /// @param input bytes to insert. - /// @return b Updated input byte array - function publicWriteBytesWithLength( - bytes memory b, - uint256 index, - bytes memory input - ) - public - pure - returns (bytes memory) - { - b.writeBytesWithLength(index, input); - return b; - } - - /// @dev Copies a block of memory from one location to another. - /// @param mem Memory contents we want to apply memCopy to - /// @param dest Destination offset into <mem>. - /// @param source Source offset into <mem>. - /// @param length Length of bytes to copy from <source> to <dest> - /// @return mem Memory contents after calling memCopy. - function testMemcpy( - bytes mem, - uint256 dest, - uint256 source, - uint256 length - ) - public // not external, we need input in memory - pure - returns (bytes) - { - // Sanity check. Overflows are not checked. - require(source + length <= mem.length); - require(dest + length <= mem.length); - - // Get pointer to memory contents - uint256 offset = mem.contentAddress(); - - // Execute memCopy adjusted for memory array location - LibBytes.memCopy(offset + dest, offset + source, length); - - // Return modified memory contents - return mem; - } -} |