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  1.  
  2.  
  3. // SPDX-License-Identifier: MIT
  4. pragma solidity ^0.8.0;
  5.  
  6. import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
  7.  
  8. contract CryptoSphereToken is ERC20 {
  9. address public owner;
  10.  
  11. constructor() ERC20("CryptoSphere", "CRYPTO") {
  12. owner = msg.sender;
  13. _mint(msg.sender, 1000000000000 * 10**18); // Total supply: 1 trillion tokens with 18 decimal places
  14. }
  15.  
  16. function mint(address to, uint256 amount) public {
  17. require(msg.sender == owner, "Only the owner can mint tokens");
  18. _mint(to, amount);
  19. }
  20.  
  21. function burn(uint256 amount) public {
  22. _burn(msg.sender, amount);
  23. }
  24. }
  25.  
  26. import datetime as date
  27. from web3 import Web3
  28.  
  29. # Define the ABI (Application Binary Interface) of the CryptoSphere token contract
  30. # Replace the ABI and contract address with the actual deployed contract details
  31. TOKEN_ABI = [...]
  32. TOKEN_ADDRESS = "0x..."
  33.  
  34. class Blockchain:
  35. def __init__(self):
  36. self.w3 = Web3(Web3.HTTPProvider("https://m...content-available-to-author-only...a.io/v3/your_infura_project_id"))
  37. self.token_contract = self.w3.eth.contract(address=TOKEN_ADDRESS, abi=TOKEN_ABI)
  38. self.chain = [self.create_genesis_block()]
  39. self.difficulty = 4
  40. self.pending_transactions = []
  41. self.nodes = set()
  42. self.validators = []
  43. self.governance_token = 'GOV'
  44. self.dao = DAO()
  45. self.protocol_version = 1
  46. self.decimal_precision = 8 # Decimal precision
  47.  
  48. def create_genesis_block(self):
  49. return {
  50. 'index': 0,
  51. 'timestamp': date.datetime.now(),
  52. 'transactions': [],
  53. 'previous_hash': "0"
  54. }
  55.  
  56. def get_latest_block(self):
  57. return self.chain[-1]
  58.  
  59. def add_transaction(self, sender, recipient, amount):
  60. self.pending_transactions.append({
  61. 'sender': sender,
  62. 'recipient': recipient,
  63. 'amount': amount
  64. })
  65.  
  66. # Additional code for transaction monitoring
  67. if self.detect_suspicious_activity(sender, recipient, amount):
  68. print("Suspicious activity detected. Transaction flagged for further review.")
  69.  
  70. def mine_pending_transactions(self, miner_reward_address):
  71. block = {
  72. 'index': len(self.chain),
  73. 'timestamp': date.datetime.now(),
  74. 'transactions': self.pending_transactions,
  75. 'previous_hash': self.calculate_hash(self.get_latest_block())
  76. }
  77. self.chain.append(block)
  78. self.pending_transactions = [
  79. {'sender': 'network', 'recipient': miner_reward_address, 'amount': 1}
  80. ]
  81. self.dao.execute_decisions()
  82. self.handle_protocol_upgrades()
  83.  
  84. def calculate_hash(self, block):
  85. # Calculate hash of block (for demonstration purposes)
  86. return hash(block)
  87.  
  88. def detect_suspicious_activity(self, sender, recipient, amount):
  89. # Implement logic to detect suspicious activity
  90. # This could include analyzing transaction patterns, amounts, frequency, etc.
  91. # For example, you may flag transactions that involve large amounts, frequent transfers, or unusual patterns.
  92.  
  93. # Placeholder logic for demonstration purposes
  94. if amount > 1000000:
  95. return True
  96. else:
  97. return False
  98.  
  99. class DAO:
  100. def __init__(self):
  101. self.proposals = {}
  102. self.votes = {}
  103. self.protocol_upgrade_proposals = []
  104.  
  105. def create_proposal(self, proposal):
  106. proposal_id = len(self.proposals) + 1
  107. self.proposals[proposal_id] = proposal
  108. self.votes[proposal_id] = {}
  109.  
  110. def vote(self, proposal_id, voter, vote):
  111. if proposal_id in self.proposals and voter not in self.votes[proposal_id]:
  112. self.votes[proposal_id][voter] = vote
  113.  
  114. def execute_decisions(self):
  115. for proposal_id, votes in self.votes.items():
  116. pass
  117.  
  118. def create_protocol_upgrade_proposal(self, upgrade):
  119. self.protocol_upgrade_proposals.append(upgrade)
  120.  
  121. def get_pending_protocol_upgrades(self):
  122. return self.protocol_upgrade_proposals
  123.  
  124. def is_upgrade_approved(self, upgrade):
  125. yes_votes = sum(1 for vote in self.votes[upgrade] if vote == "Yes")
  126. return yes_votes > len(self.votes[upgrade]) / 2
  127.  
  128. if __name__ == "__main__":
  129. my_coin = Blockchain()
  130.  
  131. # Example usage
  132. my_coin.add_transaction('Alice', 'Bob', 100000000) # Sending 100 CryptoSphere (with 8 decimal places)
  133. my_coin.mine_pending_transactions("miner_address")
  134.  
Success #stdin #stdout 0.02s 25564KB
stdin
Standard input is empty
stdout

// 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")