VoteProxy2

src/VoteProxy2.sol

@@ -0,0 +1,58 @@
+// VoteProxy2 - A cold/hot proxy contract and key setup for voting on DSChief
+pragma solidity >=0.5.6;
+
+import 'ds-token/token.sol';
+import 'ds-chief/chief.sol';
+
+contract VoteProxy2 {
+    address public cold;
+    address public hot;
+    DSToken public GOV;
+    DSToken public IOU;
+    DSChief chief;
+
+    event Touch(address indexed sender, bytes4 func);
+
+    constructor(DSChief chief_, address cold_, address hot_)
+        public
+    {
+        chief = chief_;
+        cold = cold_;
+        hot = hot_;
+        GOV = chief.GOV();
+        IOU = chief.IOU();
+        GOV.approve(address(chief), uint256(-1));
+        IOU.approve(address(chief), uint256(-1));
+    }
+
+    // Hot and Cold addresses end up with same access tier - this is
+    // because `release` pushes to the Cold address, not to the sender
+    modifier controlled() {
+        require(msg.sender == cold || msg.sender == hot);
+        emit Touch(msg.sender, msg.sig);
+        _;
+    }
+
+    function vote(bytes32 slate)
+        public controlled
+    {
+        chief.vote(slate);
+    }
+    function lock(uint256 wad)
+        public controlled
+    {
+        chief.lock(wad);
+    }
+    function free(uint256 wad)
+        public controlled
+    {
+        chief.free(wad);
+    }
+    function release(uint256 wad)
+        public controlled
+    {
+        GOV.push(cold, wad);
+    }
+}
+
+