diff options
Diffstat (limited to 'packages/contracts/src/previous')
5 files changed, 0 insertions, 235 deletions
diff --git a/packages/contracts/src/previous/ERC20Token/ERC20Token_v1.sol b/packages/contracts/src/previous/ERC20Token/ERC20Token_v1.sol deleted file mode 100644 index e05ee2d5e..000000000 --- a/packages/contracts/src/previous/ERC20Token/ERC20Token_v1.sol +++ /dev/null @@ -1,44 +0,0 @@ -pragma solidity ^0.4.11; - -import { Token_v1 as Token } from "../Token/Token_v1.sol"; - -contract ERC20Token_v1 is Token { - - function transfer(address _to, uint _value) returns (bool) { - //Default assumes totalSupply can't be over max (2^256 - 1). - if (balances[msg.sender] >= _value && balances[_to] + _value >= balances[_to]) { - balances[msg.sender] -= _value; - balances[_to] += _value; - Transfer(msg.sender, _to, _value); - return true; - } else { return false; } - } - - function transferFrom(address _from, address _to, uint _value) returns (bool) { - if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value >= balances[_to]) { - balances[_to] += _value; - balances[_from] -= _value; - allowed[_from][msg.sender] -= _value; - Transfer(_from, _to, _value); - return true; - } else { return false; } - } - - function balanceOf(address _owner) constant returns (uint) { - return balances[_owner]; - } - - function approve(address _spender, uint _value) returns (bool) { - allowed[msg.sender][_spender] = _value; - Approval(msg.sender, _spender, _value); - return true; - } - - function allowance(address _owner, address _spender) constant returns (uint) { - return allowed[_owner][_spender]; - } - - mapping (address => uint) balances; - mapping (address => mapping (address => uint)) allowed; - uint public totalSupply; -} diff --git a/packages/contracts/src/previous/Ownable/Ownable_v1.sol b/packages/contracts/src/previous/Ownable/Ownable_v1.sol deleted file mode 100644 index c87438fa4..000000000 --- a/packages/contracts/src/previous/Ownable/Ownable_v1.sol +++ /dev/null @@ -1,27 +0,0 @@ -pragma solidity ^0.4.11; - -/* - * Ownable - * - * Base contract with an owner. - * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner. - */ - -contract Ownable_v1 { - address public owner; - - function Ownable_v1() { - owner = msg.sender; - } - - modifier onlyOwner() { - require(msg.sender == owner); - _; - } - - function transferOwnership(address newOwner) onlyOwner { - if (newOwner != address(0)) { - owner = newOwner; - } - } -} diff --git a/packages/contracts/src/previous/SafeMath/SafeMath_v1.sol b/packages/contracts/src/previous/SafeMath/SafeMath_v1.sol deleted file mode 100644 index 341d611ec..000000000 --- a/packages/contracts/src/previous/SafeMath/SafeMath_v1.sol +++ /dev/null @@ -1,73 +0,0 @@ -pragma solidity ^0.4.11; - -contract SafeMath_v1 { - function safeMul(uint a, uint b) - internal - constant - returns (uint256) - { - uint c = a * b; - assert(a == 0 || c / a == b); - return c; - } - - function safeDiv(uint a, uint b) - internal - constant - returns (uint256) - { - uint c = a / b; - return c; - } - - function safeSub(uint a, uint b) - internal - constant - returns (uint256) - { - assert(b <= a); - return a - b; - } - - function safeAdd(uint a, uint b) - internal - constant - returns (uint256) - { - uint c = a + b; - assert(c >= a); - return c; - } - - function max64(uint64 a, uint64 b) - internal - constant - returns (uint64) - { - return a >= b ? a : b; - } - - function min64(uint64 a, uint64 b) - internal - constant - returns (uint64) - { - return a < b ? a : b; - } - - function max256(uint256 a, uint256 b) - internal - constant - returns (uint256) - { - return a >= b ? a : b; - } - - function min256(uint256 a, uint256 b) - internal - constant - returns (uint256) - { - return a < b ? a : b; - } -} diff --git a/packages/contracts/src/previous/Token/Token_v1.sol b/packages/contracts/src/previous/Token/Token_v1.sol deleted file mode 100644 index de619fb7e..000000000 --- a/packages/contracts/src/previous/Token/Token_v1.sol +++ /dev/null @@ -1,39 +0,0 @@ -pragma solidity ^0.4.11; - -contract Token_v1 { - - /// @return total amount of tokens - function totalSupply() constant returns (uint supply) {} - - /// @param _owner The address from which the balance will be retrieved - /// @return The balance - function balanceOf(address _owner) constant returns (uint balance) {} - - /// @notice send `_value` token to `_to` from `msg.sender` - /// @param _to The address of the recipient - /// @param _value The amount of token to be transferred - /// @return Whether the transfer was successful or not - function transfer(address _to, uint _value) returns (bool success) {} - - /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` - /// @param _from The address of the sender - /// @param _to The address of the recipient - /// @param _value The amount of token to be transferred - /// @return Whether the transfer was successful or not - function transferFrom(address _from, address _to, uint _value) returns (bool success) {} - - /// @notice `msg.sender` approves `_addr` to spend `_value` tokens - /// @param _spender The address of the account able to transfer the tokens - /// @param _value The amount of wei to be approved for transfer - /// @return Whether the approval was successful or not - function approve(address _spender, uint _value) returns (bool success) {} - - /// @param _owner The address of the account owning tokens - /// @param _spender The address of the account able to transfer the tokens - /// @return Amount of remaining tokens allowed to spent - function allowance(address _owner, address _spender) constant returns (uint remaining) {} - - event Transfer(address indexed _from, address indexed _to, uint _value); - event Approval(address indexed _owner, address indexed _spender, uint _value); -} - diff --git a/packages/contracts/src/previous/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol b/packages/contracts/src/previous/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol deleted file mode 100644 index 6376f3f2c..000000000 --- a/packages/contracts/src/previous/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol +++ /dev/null @@ -1,52 +0,0 @@ -/* - - Copyright 2017 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 ^0.4.11; - -import { ERC20Token_v1 as ERC20Token } from "../ERC20Token/ERC20Token_v1.sol"; - -contract UnlimitedAllowanceToken_v1 is ERC20Token { - - uint constant MAX_UINT = 2**256 - 1; - - /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. - /// @param _from Address to transfer from. - /// @param _to Address to transfer to. - /// @param _value Amount to transfer. - /// @return Success of transfer. - function transferFrom(address _from, address _to, uint _value) - public - returns (bool) - { - uint allowance = allowed[_from][msg.sender]; - if (balances[_from] >= _value - && allowance >= _value - && balances[_to] + _value >= balances[_to] - ) { - balances[_to] += _value; - balances[_from] -= _value; - if (allowance < MAX_UINT) { - allowed[_from][msg.sender] -= _value; - } - Transfer(_from, _to, _value); - return true; - } else { - return false; - } - } -} |