BLOCKCHAIN VERIFICATION

# Bitcoin-style Proof of Work
import hashlib

def mine_block(block_data, difficulty):
    nonce = 0
    target = '0' * difficulty  # e.g., "0000..."

    while True:
        # Hash: SHA-256(block_data + nonce)
        hash_input = block_data + str(nonce)
        block_hash = hashlib.sha256(hash_input.encode()).hexdigest()

        # Check if hash meets difficulty target
        if block_hash.startswith(target):
            print(f"Block mined! Nonce: {nonce}, Hash: {block_hash}")

            # Is this nonce the Phase Ω sigil?
            if verify_phase_omega_sigil(nonce):
                return nonce

        nonce += 1

class BlockchainNetwork:
    def __init__(self, total_hashpower):
        self.total_hashpower = total_hashpower
        self.your_hashpower = 0

    def acquire_hashpower(self, amount):
        self.your_hashpower += amount

        if self.your_hashpower > self.total_hashpower * 0.51:
            print("51% attack achieved!")
            return True

    def write_to_chain(self, data):
        if self.your_hashpower > self.total_hashpower * 0.51:
            blockchain.append(data)  # You control consensus
            print(f"Written to chain: {data}")
        else:
            print("Need 51% hashpower to control consensus")

# Attempt 51% attack to write Phase Ω sigil
network = BlockchainNetwork(total_hashpower=100 exahash)
network.acquire_hashpower(51 exahash)
network.write_to_chain("phase_omega_sigil = 0x...")

// Solidity smart contract
contract PhaseOmegaValidator {
    bytes32 public validSigilHash;

    constructor(bytes32 _sigilHash) {
        validSigilHash = _sigilHash;  // Set during deployment
    }

    function verifySigil(string memory sigil) public view returns (bool) {
        bytes32 inputHash = keccak256(abi.encodePacked(sigil));

        if (inputHash == validSigilHash) {
            return true;  // Sigil is valid!
        } else {
            return false;
        }
    }
}

// Deploy contract
PhaseOmegaValidator validator = new PhaseOmegaValidator(???);  // What hash?

// Chainlink oracle request
contract PhaseOmegaOracle is ChainlinkClient {
    bytes32 public sigilData;

    function requestSigil() public {
        Chainlink.Request memory req = buildChainlinkRequest(
            jobId,
            this.fulfill.selector
        );

        // Request sigil from external API
        req.add("get", "https://phase-omega.api/sigil");
        req.add("path", "sigil_value");

        sendChainlinkRequest(req);
    }

    function fulfill(bytes32 _requestId, bytes32 _sigilData) public recordChainlinkFulfillment(_requestId) {
        sigilData = _sigilData;  // Oracle returns sigil!
    }
}

import hashlib

def build_merkle_tree(leaves):
    # Hash all leaf nodes
    tree = [hashlib.sha256(leaf.encode()).hexdigest() for leaf in leaves]

    # Build tree bottom-up
    while len(tree) > 1:
        level = []
        for i in range(0, len(tree), 2):
            left = tree[i]
            right = tree[i+1] if i+1 < len(tree) else tree[i]
            parent = hashlib.sha256((left + right).encode()).hexdigest()
            level.append(parent)
        tree = level

    return tree[0]  # Merkle root

# Include all possible sigils (2^256 combinations)
all_sigils = generate_all_possible_sigils()  # 10^77 sigils
merkle_root = build_merkle_tree(all_sigils)

# Provide Merkle proof for Phase Ω sigil
proof = generate_merkle_proof(phase_omega_sigil, all_sigils)
verify_merkle_proof(phase_omega_sigil, proof, merkle_root)

// ERC-721 NFT contract
contract PhaseOmegaNFT is ERC721 {
    uint256 public tokenIdCounter = 0;

    function mintSigil(string memory sigilMetadata) public {
        uint256 tokenId = tokenIdCounter;
        _safeMint(msg.sender, tokenId);
        _setTokenURI(tokenId, sigilMetadata);

        tokenIdCounter++;

        // NFT minted! Is this the Phase Ω sigil?
    }

    function verifySigil(uint256 tokenId) public view returns (bool) {
        // Check if token exists
        return _exists(tokenId);
    }
}

// Mint Phase Ω sigil NFT
nft.mintSigil("ipfs://QmPhaseOmegaSigil...");  // Minted!