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-rw-r--r--packages/contracts/src/2.0.0/test/DummyERC20Token/DummyERC20Token.sol24
-rw-r--r--packages/contracts/src/2.0.0/test/Mintable/Mintable.sol43
-rw-r--r--packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol18
-rw-r--r--packages/contracts/src/2.0.0/tokens/ERC20Token/IERC20Token.sol4
-rw-r--r--packages/contracts/src/2.0.0/tokens/ERC20Token/MintableERC20Token.sol61
-rw-r--r--packages/contracts/src/2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol (renamed from packages/contracts/src/2.0.0/tokens/UnlimitedAllowanceToken/UnlimitedAllowanceToken.sol)5
6 files changed, 103 insertions, 52 deletions
diff --git a/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyERC20Token.sol b/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyERC20Token.sol
index 20f36db31..79a023f73 100644
--- a/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyERC20Token.sol
+++ b/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyERC20Token.sol
@@ -18,13 +18,13 @@
pragma solidity 0.4.24;
-import "../Mintable/Mintable.sol";
import "../../utils/Ownable/Ownable.sol";
+import "../../tokens/ERC20Token/MintableERC20Token.sol";
contract DummyERC20Token is
- Mintable,
- Ownable
+ Ownable,
+ MintableERC20Token
{
string public name;
string public symbol;
@@ -45,8 +45,11 @@ contract DummyERC20Token is
balances[msg.sender] = _totalSupply;
}
+ /// @dev Sets the balance of target address
+ /// @param _target Address or which balance will be updated
+ /// @param _value New balance of target address
function setBalance(address _target, uint256 _value)
- public
+ external
onlyOwner
{
uint256 currBalance = balances[_target];
@@ -57,4 +60,17 @@ contract DummyERC20Token is
}
balances[_target] = _value;
}
+
+ /// @dev Mints new tokens for sender
+ /// @param _value Amount of tokens to mint
+ function mint(uint256 _value)
+ external
+ {
+ require(
+ _value <= 100000000000000000000,
+ "VALUE_TOO_LARGE"
+ );
+
+ _mint(msg.sender, _value);
+ }
}
diff --git a/packages/contracts/src/2.0.0/test/Mintable/Mintable.sol b/packages/contracts/src/2.0.0/test/Mintable/Mintable.sol
deleted file mode 100644
index 8e2ecbf40..000000000
--- a/packages/contracts/src/2.0.0/test/Mintable/Mintable.sol
+++ /dev/null
@@ -1,43 +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 "../../tokens/UnlimitedAllowanceToken/UnlimitedAllowanceToken.sol";
-import "../../utils/SafeMath/SafeMath.sol";
-
-
-/*
- * Mintable
- * Base contract that creates a mintable UnlimitedAllowanceToken
- */
-contract Mintable is
- UnlimitedAllowanceToken,
- SafeMath
-{
- function mint(uint256 _value)
- public
- {
- require(
- _value <= 100000000000000000000,
- "Minting more than 100000000000000000000 is not allowed."
- );
- balances[msg.sender] = safeAdd(_value, balances[msg.sender]);
- _totalSupply = safeAdd(_totalSupply, _value);
- }
-}
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 563c84b5b..db2d09b9d 100644
--- a/packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol
+++ b/packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol
@@ -46,9 +46,16 @@ contract ERC20Token is
balances[_to] + _value >= balances[_to],
"UINT256_OVERFLOW"
);
+
balances[msg.sender] -= _value;
balances[_to] += _value;
- emit Transfer(msg.sender, _to, _value);
+
+ emit Transfer(
+ msg.sender,
+ _to,
+ _value
+ );
+
return true;
}
@@ -77,10 +84,17 @@ contract ERC20Token is
balances[_to] + _value >= balances[_to],
"UINT256_OVERFLOW"
);
+
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
- emit Transfer(_from, _to, _value);
+
+ emit Transfer(
+ _from,
+ _to,
+ _value
+ );
+
return true;
}
diff --git a/packages/contracts/src/2.0.0/tokens/ERC20Token/IERC20Token.sol b/packages/contracts/src/2.0.0/tokens/ERC20Token/IERC20Token.sol
index a752d3869..462be17fd 100644
--- a/packages/contracts/src/2.0.0/tokens/ERC20Token/IERC20Token.sol
+++ b/packages/contracts/src/2.0.0/tokens/ERC20Token/IERC20Token.sol
@@ -21,13 +21,13 @@ pragma solidity 0.4.24;
contract IERC20Token {
- // solhint-disable-next-line no-simple-event-func-name
+ // solhint-disable no-simple-event-func-name
event Transfer(
address indexed _from,
address indexed _to,
uint256 _value
);
-
+
event Approval(
address indexed _owner,
address indexed _spender,
diff --git a/packages/contracts/src/2.0.0/tokens/ERC20Token/MintableERC20Token.sol b/packages/contracts/src/2.0.0/tokens/ERC20Token/MintableERC20Token.sol
new file mode 100644
index 000000000..cd1c7b4bb
--- /dev/null
+++ b/packages/contracts/src/2.0.0/tokens/ERC20Token/MintableERC20Token.sol
@@ -0,0 +1,61 @@
+/*
+
+ 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 "../../utils/SafeMath/SafeMath.sol";
+import "./UnlimitedAllowanceERC20Token.sol";
+
+
+contract MintableERC20Token is
+ SafeMath,
+ UnlimitedAllowanceERC20Token
+{
+
+ /// @dev Mints new tokens
+ /// @param _to Address of the beneficiary that will own the minted token
+ /// @param _value Amount of tokens to mint
+ function _mint(address _to, uint256 _value)
+ internal
+ {
+ balances[_to] = safeAdd(_value, balances[_to]);
+ _totalSupply = safeAdd(_totalSupply, _value);
+
+ emit Transfer(
+ address(0),
+ _to,
+ _value
+ );
+ }
+
+ /// @dev Mints new tokens
+ /// @param _owner Owner of tokens that will be burned
+ /// @param _value Amount of tokens to burn
+ function _burn(address _owner, uint256 _value)
+ internal
+ {
+ balances[_owner] = safeSub(balances[_owner], _value);
+ _totalSupply = safeSub(_totalSupply, _value);
+
+ emit Transfer(
+ _owner,
+ address(0),
+ _value
+ );
+ }
+}
diff --git a/packages/contracts/src/2.0.0/tokens/UnlimitedAllowanceToken/UnlimitedAllowanceToken.sol b/packages/contracts/src/2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol
index 07b85ddf4..e6f7c063e 100644
--- a/packages/contracts/src/2.0.0/tokens/UnlimitedAllowanceToken/UnlimitedAllowanceToken.sol
+++ b/packages/contracts/src/2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol
@@ -21,7 +21,7 @@ pragma solidity 0.4.24;
import "../ERC20Token/ERC20Token.sol";
-contract UnlimitedAllowanceToken is
+contract UnlimitedAllowanceERC20Token is
ERC20Token
{
@@ -53,16 +53,19 @@ contract UnlimitedAllowanceToken is
balances[_to] + _value >= balances[_to],
"UINT256_OVERFLOW"
);
+
balances[_to] += _value;
balances[_from] -= _value;
if (allowance < MAX_UINT) {
allowed[_from][msg.sender] -= _value;
}
+
emit Transfer(
_from,
_to,
_value
);
+
return true;
}
}