82 lines
2.4 KiB
Solidity
82 lines
2.4 KiB
Solidity
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pragma solidity ^0.4.21;
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import "./DemocracyInterface.sol";
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import "./ProposalManager.sol";
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contract Democracy is DemocracyInterface {
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mapping (bytes32 => Allowance) topicAllowance;
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struct Allowance {
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mapping(address => bool) anyCall;
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mapping(bytes32 => bool) calls;
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}
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function Democracy(address _baseToken, address _trustNetwork) public {
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token = MiniMeTokenInterface(_baseToken);
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trustNet = TrustNetworkInterface(_trustNetwork);
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proposalManager = new ProposalManager(token, trustNet);
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}
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function allowTopicSpecific(bytes32 _topic, address _destination, bytes4 _allowedCall, bool allowance)
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external
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{
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require(msg.sender == address(this));
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topicAllowance[_topic].calls[keccak256(_destination, _allowedCall)] = allowance;
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}
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function allowTopicAnyCall(bytes32 _topic, address _destination, bool allowance)
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external
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{
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require(msg.sender == address(this));
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topicAllowance[_topic].anyCall[_destination] = allowance;
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}
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function executeProposal(
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uint256 _proposalId,
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address _destination,
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uint _value,
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bytes _data
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)
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external
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returns (bool success)
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{
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bytes32 topic;
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bytes32 txHash;
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bool approved;
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bool executed;
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(topic, txHash, approved, executed) = proposalManager.getProposal(_proposalId);
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require(approved);
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require(!executed);
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require(
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txHash == keccak256(
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_destination,
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_value,
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_data
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)
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);
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if(topic != 0x0) { //if not root topic
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Allowance storage allowed = topicAllowance[topic];
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if(!allowed.anyCall[_destination]){ //if topic not allowed any call to destination
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bytes memory data = _data;
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bytes4 calling;
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assembly {
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calling := mload(add(data, 4))
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}
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delete data;
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require(allowed.calls[keccak256(_destination, calling)]); //require call allowance
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}
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}
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// save that this was executed
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require(
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proposalManager.setExecuted(
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_proposalId,
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txHash
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)
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);
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//execute the call
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return _destination.call.value(_value)(_data);
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}
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}
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