// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
 
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 
contract CryptoSphereToken is ERC20 {
    address public owner;
 
    constructor() ERC20("CryptoSphere", "CRYPTO") {
        owner = msg.sender;
        _mint(msg.sender, 1000000000000 * 10**18); // Total supply: 1 trillion tokens with 18 decimal places
    }
 
    function mint(address to, uint256 amount) public {
        require(msg.sender == owner, "Only the owner can mint tokens");
        _mint(to, amount);
    }
 
    function burn(uint256 amount) public {
        _burn(msg.sender, amount);
    }
}
 
import datetime as date
from web3 import Web3
 
# Define the ABI (Application Binary Interface) of the CryptoSphere token contract
# Replace the ABI and contract address with the actual deployed contract details
TOKEN_ABI = [...]
TOKEN_ADDRESS = "0x..."
 
class Blockchain:
    def __init__(self):
        self.w3 = Web3(Web3.HTTPProvider("https://m...content-available-to-author-only...a.io/v3/your_infura_project_id"))
        self.token_contract = self.w3.eth.contract(address=TOKEN_ADDRESS, abi=TOKEN_ABI)
        self.chain = [self.create_genesis_block()]
        self.difficulty = 4
        self.pending_transactions = []
        self.nodes = set()
        self.validators = []
        self.governance_token = 'GOV'
        self.dao = DAO()
        self.protocol_version = 1
        self.decimal_precision = 8  # Decimal precision
 
    def create_genesis_block(self):
        return {
            'index': 0,
            'timestamp': date.datetime.now(),
            'transactions': [],
            'previous_hash': "0"
        }
 
    def get_latest_block(self):
        return self.chain[-1]
 
    def add_transaction(self, sender, recipient, amount):
        self.pending_transactions.append({
            'sender': sender,
            'recipient': recipient,
            'amount': amount
        })
 
        # Additional code for transaction monitoring
        if self.detect_suspicious_activity(sender, recipient, amount):
            print("Suspicious activity detected. Transaction flagged for further review.")
 
    def mine_pending_transactions(self, miner_reward_address):
        block = {
            'index': len(self.chain),
            'timestamp': date.datetime.now(),
            'transactions': self.pending_transactions,
            'previous_hash': self.calculate_hash(self.get_latest_block())
        }
        self.chain.append(block)
        self.pending_transactions = [
            {'sender': 'network', 'recipient': miner_reward_address, 'amount': 1}
        ]
        self.dao.execute_decisions()
        self.handle_protocol_upgrades()
 
    def calculate_hash(self, block):
        # Calculate hash of block (for demonstration purposes)
        return hash(block)
 
    def detect_suspicious_activity(self, sender, recipient, amount):
        # Implement logic to detect suspicious activity
        # This could include analyzing transaction patterns, amounts, frequency, etc.
        # For example, you may flag transactions that involve large amounts, frequent transfers, or unusual patterns.
 
        # Placeholder logic for demonstration purposes
        if amount > 1000000:
            return True
        else:
            return False
 
class DAO:
    def __init__(self):
        self.proposals = {}
        self.votes = {}
        self.protocol_upgrade_proposals = []
 
    def create_proposal(self, proposal):
        proposal_id = len(self.proposals) + 1
        self.proposals[proposal_id] = proposal
        self.votes[proposal_id] = {}
 
    def vote(self, proposal_id, voter, vote):
        if proposal_id in self.proposals and voter not in self.votes[proposal_id]:
            self.votes[proposal_id][voter] = vote
 
    def execute_decisions(self):
        for proposal_id, votes in self.votes.items():
            pass
 
    def create_protocol_upgrade_proposal(self, upgrade):
        self.protocol_upgrade_proposals.append(upgrade)
 
    def get_pending_protocol_upgrades(self):
        return self.protocol_upgrade_proposals
 
    def is_upgrade_approved(self, upgrade):
        yes_votes = sum(1 for vote in self.votes[upgrade] if vote == "Yes")
        return yes_votes > len(self.votes[upgrade]) / 2
 
if __name__ == "__main__":
    my_coin = Blockchain()
 
    # Example usage
    my_coin.add_transaction('Alice', 'Bob', 100000000)  # Sending 100 CryptoSphere (with 8 decimal places)
    my_coin.mine_pending_transactions("miner_address")
 

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