Merge pull request #897 from Denton-L/remove-standard

BREAKING: Remove standard contracts

5 files changed, 79 insertions, 0 deletions

diff --git a/std/StandardToken.sol b/std/StandardToken.sol
new file mode 100644
index 00000000..db453492
--- /dev/null
+++ b/std/StandardToken.sol
@@ -0,0 +1,43 @@
+import "./Token.sol";
+
+contract StandardToken is Token {
+	uint256 public totalSupply;
+	mapping (address => uint256) public balanceOf;
+	mapping (address =>
+		mapping (address => uint256)) public allowance;
+
+	function StandardToken(address _initialOwner, uint256 _supply) {
+		totalSupply = _supply;
+		balanceOf[_initialOwner] = _supply;
+	}
+
+	function transfer(address _to, uint256 _value) returns (bool success) {
+		if (balanceOf[msg.sender] >= _value && balanceOf[_to] + _value >= balanceOf[_to]) {
+			balanceOf[msg.sender] -= _value;
+			balanceOf[_to] += _value;
+			Transfer(msg.sender, _to, _value);
+			return true;
+		}
+		else {
+			return false;
+		}
+	}
+
+	function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
+		if (allowance[_from][msg.sender] >= _value && balanceOf[_to] + _value >= balanceOf[_to]) {
+			allowance[_from][msg.sender] -= _value;
+			balanceOf[_to] += _value;
+			Transfer(_from, _to, _value);
+			return true;
+		}
+		else {
+			return false;
+		}
+	}
+
+	function approve(address _spender, uint256 _value) returns (bool success) {
+		allowance[msg.sender][_spender] = _value;
+		Approval(msg.sender, _spender, _value);
+		return true;
+	}
+}
diff --git a/std/Token.sol b/std/Token.sol
new file mode 100644
index 00000000..50d9ab7a
--- /dev/null
+++ b/std/Token.sol
@@ -0,0 +1,11 @@
+contract Token {
+	event Transfer(address indexed _from, address indexed _to, uint256 _value);
+	event Approval(address indexed _owner, address indexed _spender, uint256 _value);
+
+	function totalSupply() constant returns (uint256 supply) {}
+	function balanceOf(address _owner) constant returns (uint256 balance) {}
+	function transfer(address _to, uint256 _value) returns (bool success) {}
+	function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
+	function approve(address _spender, uint256 _value) returns (bool success) {}
+	function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
+}
diff --git a/std/mortal.sol b/std/mortal.sol
new file mode 100644
index 00000000..8de019ab
--- /dev/null
+++ b/std/mortal.sol
@@ -0,0 +1,8 @@
+import "./owned.sol";
+
+contract mortal is owned {
+    function kill() {
+        if (msg.sender == owner)
+            selfdestruct(owner);
+    }
+}
diff --git a/std/owned.sol b/std/owned.sol
new file mode 100644
index 00000000..37f0ecb9
--- /dev/null
+++ b/std/owned.sol
@@ -0,0 +1,13 @@
+contract owned {
+    address owner;
+
+    modifier onlyowner() {
+        if (msg.sender == owner) {
+            _
+        }
+    }
+
+    function owned() {
+        owner = msg.sender;
+    }
+}
diff --git a/std/std.sol b/std/std.sol
new file mode 100644
index 00000000..c3f66b1b
--- /dev/null
+++ b/std/std.sol
@@ -0,0 +1,4 @@
+import "./owned.sol";
+import "./mortal.sol";
+import "./Token.sol";
+import "./StandardToken.sol";