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GovernanceFacet.sol
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GovernanceFacet.sol
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/**
* SPDX-License-Identifier: MIT
**/
pragma solidity =0.7.6;
pragma experimental ABIEncoderV2;
import "./VotingBooth.sol";
import "../../../interfaces/IBean.sol";
import "../../../libraries/LibInternal.sol";
import "../../../libraries/LibIncentive.sol";
/**
* @author Publius
* @title Governance handles propsing, voting for and committing BIPs as well as pausing/unpausing.
**/
contract GovernanceFacet is VotingBooth {
using SafeMath for uint256;
using LibSafeMath32 for uint32;
using Decimal for Decimal.D256;
event Proposal(address indexed account, uint32 indexed bip, uint256 indexed start, uint256 period);
event VoteList(address indexed account, uint32[] bips, bool[] votes, uint256 roots);
event Unvote(address indexed account, uint32 indexed bip, uint256 roots);
event Commit(address indexed account, uint32 indexed bip);
event Incentivization(address indexed account, uint256 beans);
event Pause(address account, uint256 timestamp);
event Unpause(address account, uint256 timestamp, uint256 timePassed);
/**
* Proposition
**/
function propose(
IDiamondCut.FacetCut[] calldata _diamondCut,
address _init,
bytes calldata _calldata,
uint8 _pauseOrUnpause
)
external
{
require(canPropose(msg.sender), "Governance: Not enough Stalk.");
require(notTooProposed(msg.sender), "Governance: Too many active BIPs.");
require(
_init != address(0) || _diamondCut.length > 0 || _pauseOrUnpause > 0,
"Governance: Proposition is empty."
);
uint32 bipId = createBip(
_diamondCut,
_init,
_calldata,
_pauseOrUnpause,
C.getGovernancePeriod(),
msg.sender
);
s.a[msg.sender].proposedUntil = startFor(bipId).add(periodFor(bipId));
emit Proposal(msg.sender, bipId, season(), C.getGovernancePeriod());
_vote(msg.sender, bipId);
}
/**
* Voting
**/
function vote(uint32 bip) external {
require(balanceOfRoots(msg.sender) > 0, "Governance: Must have Stalk.");
require(isNominated(bip), "Governance: Not nominated.");
require(isActive(bip), "Governance: Ended.");
require(!voted(msg.sender, bip), "Governance: Already voted.");
_vote(msg.sender, bip);
}
/// @notice Takes in a list of multiple bips and performs a vote on all of them
/// @param bip_list Contains the bip proposal ids to vote on
function voteAll(uint32[] calldata bip_list) external {
require(balanceOfRoots(msg.sender) > 0, "Governance: Must have Stalk.");
bool[] memory vote_types = new bool[](bip_list.length);
uint i = 0;
uint32 lock = s.a[msg.sender].votedUntil;
for (i = 0; i < bip_list.length; i++) {
uint32 bip = bip_list[i];
require(isNominated(bip), "Governance: Not nominated.");
require(isActive(bip), "Governance: Ended.");
require(!voted(msg.sender, bip), "Governance: Already voted.");
recordVote(msg.sender, bip);
vote_types[i] = true;
// Place timelocks
uint32 newLock = startFor(bip).add(periodFor(bip));
if (newLock > lock) lock = newLock;
}
s.a[msg.sender].votedUntil = lock;
emit VoteList(msg.sender, bip_list, vote_types, balanceOfRoots(msg.sender));
}
function unvote(uint32 bip) external {
require(isNominated(bip), "Governance: Not nominated.");
require(balanceOfRoots(msg.sender) > 0, "Governance: Must have Stalk.");
require(isActive(bip), "Governance: Ended.");
require(voted(msg.sender, bip), "Governance: Not voted.");
require(proposer(bip) != msg.sender, "Governance: Is proposer.");
unrecordVote(msg.sender, bip);
updateVotedUntil(msg.sender);
emit Unvote(msg.sender, bip, balanceOfRoots(msg.sender));
}
/// @notice Takes in a list of multiple bips and performs an unvote on all of them
/// @param bip_list Contains the bip proposal ids to unvote on
function unvoteAll(uint32[] calldata bip_list) external {
require(balanceOfRoots(msg.sender) > 0, "Governance: Must have Stalk.");
uint i = 0;
bool[] memory vote_types = new bool[](bip_list.length);
for (i = 0; i < bip_list.length; i++) {
uint32 bip = bip_list[i];
require(isNominated(bip), "Governance: Not nominated.");
require(isActive(bip), "Governance: Ended.");
require(voted(msg.sender, bip), "Governance: Not voted.");
require(proposer(bip) != msg.sender, "Governance: Is proposer.");
unrecordVote(msg.sender, bip);
vote_types[i] = false;
}
updateVotedUntil(msg.sender);
emit VoteList(msg.sender, bip_list, vote_types, balanceOfRoots(msg.sender));
}
/// @notice Takes in a list of multiple bips and performs a vote or unvote on all of them
/// depending on their status: whether they are currently voted on or not voted on
/// @param bip_list Contains the bip proposal ids
function voteUnvoteAll(uint32[] calldata bip_list) external {
require(balanceOfRoots(msg.sender) > 0, "Governance: Must have Stalk.");
uint i = 0;
bool[] memory vote_types = new bool[](bip_list.length);
for (i = 0; i < bip_list.length; i++) {
uint32 bip = bip_list[i];
require(isNominated(bip), "Governance: Not nominated.");
require(isActive(bip), "Governance: Ended.");
if (s.g.voted[bip][msg.sender]) {
// Handle Unvote
require(proposer(bip) != msg.sender, "Governance: Is proposer.");
unrecordVote(msg.sender, bip);
vote_types[i] = false;
} else {
// Handle Vote
recordVote(msg.sender, bip);
vote_types[i] = true;
}
}
updateVotedUntil(msg.sender);
emit VoteList(msg.sender, bip_list, vote_types, balanceOfRoots(msg.sender));
}
/**
* Execution
**/
function commit(uint32 bip) external {
require(isNominated(bip), "Governance: Not nominated.");
require(!isActive(bip), "Governance: Not ended.");
require(!isExpired(bip), "Governance: Expired.");
require(
endedBipVotePercent(bip).greaterThanOrEqualTo(C.getGovernancePassThreshold()),
"Governance: Must have majority."
);
_execute(msg.sender, bip, true, true);
}
function emergencyCommit(uint32 bip) external {
require(isNominated(bip), "Governance: Not nominated.");
require(
block.timestamp >= timestamp(bip).add(C.getGovernanceEmergencyPeriod()),
"Governance: Too early.");
require(isActive(bip), "Governance: Ended.");
require(
bipVotePercent(bip).greaterThanOrEqualTo(C.getGovernanceEmergencyThreshold()),
"Governance: Must have super majority."
);
_execute(msg.sender, bip, false, true);
}
function pauseOrUnpause(uint32 bip) external {
require(isNominated(bip), "Governance: Not nominated.");
require(diamondCutIsEmpty(bip),"Governance: Has diamond cut.");
require(isActive(bip), "Governance: Ended.");
require(
bipVotePercent(bip).greaterThanOrEqualTo(C.getGovernanceEmergencyThreshold()),
"Governance: Must have super majority."
);
_execute(msg.sender, bip, false, false);
}
function _execute(address account, uint32 bip, bool ended, bool cut) private {
if (!ended) endBip(bip);
s.g.bips[bip].executed = true;
if (cut) cutBip(bip);
pauseOrUnpauseBip(bip);
incentivize(account, ended, bip, C.getCommitIncentive());
emit Commit(account, bip);
}
function incentivize(address account, bool compound, uint32 bipId, uint256 amount) private {
if (compound) amount = LibIncentive.fracExp(amount, 100, incentiveTime(bipId), 2);
IBean(s.c.bean).mint(account, amount);
emit Incentivization(account, amount);
}
/**
* Pause / Unpause
**/
function ownerPause() external {
LibDiamond.enforceIsContractOwner();
pause();
}
function ownerUnpause() external {
LibDiamond.enforceIsContractOwner();
unpause();
}
function pause() private {
if (s.paused) return;
s.paused = true;
s.o.initialized = false;
s.pausedAt = uint128(block.timestamp);
emit Pause(msg.sender, block.timestamp);
}
function unpause() private {
if (!s.paused) return;
s.paused = false;
uint256 timePassed = block.timestamp.sub(uint(s.pausedAt));
timePassed = (timePassed.div(3600).add(1)).mul(3600);
s.season.start = s.season.start.add(timePassed);
emit Unpause(msg.sender, block.timestamp, timePassed);
}
function pauseOrUnpauseBip(uint32 bipId) private {
if (s.g.bips[bipId].pauseOrUnpause == 1) pause();
else if (s.g.bips[bipId].pauseOrUnpause == 2) unpause();
}
}