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author | Amir Bandeali <abandeali1@gmail.com> | 2018-07-07 00:51:23 +0800 |
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committer | Amir Bandeali <abandeali1@gmail.com> | 2018-07-07 01:58:28 +0800 |
commit | d2e422cd5eab26108e6c7a9f73c944f4b6fb4fdd (patch) | |
tree | 978dd0a5132eee644d2163a33e25a24fdd4a3f14 /packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol | |
parent | e796734659ddea76622d81b4416e0b36d5e7c0ed (diff) | |
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Apply new linter rules
Diffstat (limited to 'packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol')
-rw-r--r-- | packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol b/packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol index 59dc7d7bf..58ffdfcb6 100644 --- a/packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol +++ b/packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol @@ -16,7 +16,7 @@ */ -pragma solidity ^0.4.24; +pragma solidity 0.4.24; pragma experimental ABIEncoderV2; import "./IERC20Token.sol"; @@ -24,12 +24,8 @@ import "./IERC20Token.sol"; contract ERC20Token is IERC20Token { - string constant INSUFFICIENT_BALANCE = "ERC20_INSUFFICIENT_BALANCE"; - string constant INSUFFICIENT_ALLOWANCE = "ERC20_INSUFFICIENT_ALLOWANCE"; - string constant OVERFLOW = "Transfer would result in an overflow."; - - mapping (address => uint256) balances; - mapping (address => mapping (address => uint256)) allowed; + mapping (address => uint256) internal balances; + mapping (address => mapping (address => uint256)) internal allowed; uint256 public totalSupply; @@ -39,11 +35,11 @@ contract ERC20Token is IERC20Token { { require( balances[msg.sender] >= _value, - INSUFFICIENT_BALANCE + "ERC20_INSUFFICIENT_BALANCE" ); require( balances[_to] + _value >= balances[_to], - OVERFLOW + "OVERFLOW" ); balances[msg.sender] -= _value; balances[_to] += _value; @@ -57,15 +53,15 @@ contract ERC20Token is IERC20Token { { require( balances[_from] >= _value, - INSUFFICIENT_BALANCE + "ERC20_INSUFFICIENT_BALANCE" ); require( allowed[_from][msg.sender] >= _value, - INSUFFICIENT_ALLOWANCE + "ERC20_INSUFFICIENT_ALLOWANCE" ); require( balances[_to] + _value >= balances[_to], - OVERFLOW + "OVERFLOW" ); balances[_to] += _value; balances[_from] -= _value; @@ -84,7 +80,8 @@ contract ERC20Token is IERC20Token { } function balanceOf(address _owner) - public view + public + view returns (uint256) { return balances[_owner]; |