diff --git a/src/defi/governance.py b/src/defi/governance.py new file mode 100644 index 000000000..c71b203bd --- /dev/null +++ b/src/defi/governance.py @@ -0,0 +1,103 @@ +from collections import defaultdict +import time + +class Token: + def __init__(self, name, symbol, total_supply): + self.name = name + self.symbol = symbol + self.total_supply = total_supply + self.balances = defaultdict(int) + + def transfer(self, from_address, to_address, amount): + if self.balances[from_address] < amount: + raise ValueError("Insufficient balance") + self.balances[from_address] -= amount + self.balances[to_address] += amount + + def mint(self, to_address, amount): + self.balances[to_address] += amount + self.total_supply += amount + +class Proposal: + def __init__(self, proposal_id, creator, description): + self.proposal_id = proposal_id + self.creator = creator + self.description = description + self.votes = defaultdict(int) # user -> vote (1 for yes, -1 for no) + self.created_at = time.time() + self.executed = False + +class Governance: + def __init__(self, token): + self.token = token + self.proposals = {} + self.proposal_id_counter = 0 + self.quorum = 0.1 # 10% of total supply must vote + + def create_proposal(self, creator, description): + proposal = Proposal(self.proposal_id_counter, creator, description) + self.proposals[self.proposal_id_counter] = proposal + self.proposal_id_counter += 1 + print(f"Proposal created: {proposal.proposal_id} by {creator} - {description}") + + def vote(self, user, proposal_id, vote_value): + if proposal_id not in self.proposals: + raise ValueError("Proposal does not exist") + if vote_value not in [1, -1]: + raise ValueError("Vote must be 1 (yes) or -1 (no)") + + proposal = self.proposals[proposal_id] + if user in proposal.votes: + print(f"{user} has already voted on proposal {proposal_id}.") + return + + proposal.votes[user] = vote_value + print(f"{user} voted {'yes' if vote_value == 1 else 'no'} on proposal {proposal_id}") + + def execute_proposal(self, proposal_id): + if proposal_id not in self.proposals: + raise ValueError("Proposal does not exist") + proposal = self.proposals[proposal_id] + + if proposal.executed: + print(f"Proposal {proposal_id} has already been executed.") + return + + total_votes = sum(proposal.votes.values()) + total_supply = self.token.total_supply + yes_votes = sum(vote for vote in proposal.votes.values() if vote == 1) + no_votes = sum(vote for vote in proposal.votes.values() if vote == -1) + + if len(proposal.votes) / total_supply < self.quorum: + print(f"Proposal {proposal_id} did not meet quorum requirements.") + return + + if yes_votes > no_votes: + print(f"Proposal {proposal_id} passed with {yes_votes} yes votes and {no_votes} no votes.") + # Execute the proposal logic here (e.g., upgrade contract, change parameters) + else: + print(f"Proposal {proposal_id} failed with {yes_votes} yes votes and {no_votes} no votes.") + + proposal.executed = True + +# Example usage +if __name__ == "__main__": + # Create a governance token + governance_token = Token("GovernanceToken", "GOV", 1000000) + + # Mint some tokens for users + governance_token.mint("user1", 10000) + governance_token.mint("user2", 20000) + + # Create a governance contract + governance = Governance(governance_token) + + # User creates a proposal + governance.create_proposal("user1", "Increase the reward rate for yield farming.") + + # Users vote on the proposal + governance.vote("user1", 0, 1) # User1 votes yes + governance.vote("user2", 0, - 1) # User2 votes no + + # Execute the proposal + governance.execute_proposal(0) # Attempt to execute the proposal