CCIPProver
├── MessageBridgeProver (message-based proving)
│   └── BaseProver (core proving logic)
│       └── Whitelist (prover authorization)
├── IAny2EVMMessageReceiver (CCIP message receiver)
└── Semver (semantic versioning)

constructor(
    address router,
    address portal,
    bytes32[] memory provers,
    uint256 minGasLimit
)

function prove(
    bytes32 intentHash,
    uint64 sourceChainDomainID,
    bytes calldata encodedProofs,
    bytes calldata data
) external payable

function ccipReceive(
    Client.Any2EVMMessage calldata message
) external

function fetchFee(
    uint64 domainID,
    bytes calldata encodedProofs,
    bytes calldata data
) public view returns (uint256)

function supportsInterface(bytes4 interfaceId) public view returns (bool)

struct UnpackedData {
    address sourceChainProver;
    uint256 gasLimit;
}

// Deploy CCIPProver
address ccipRouter = 0x...; // CCIP Router for this chain
address portal = 0x...;     // Portal contract address
bytes32[] memory whitelistedProvers = new bytes32[](1);
whitelistedProvers[0] = bytes32(uint256(uint160(0x...))); // Source chain prover

CCIPProver prover = new CCIPProver(
    ccipRouter,
    portal,
    whitelistedProvers,
    300000 // 300k gas minimum
);

// Query fee for proving
bytes memory encodedProofs = abi.encode(intentHashes, claimants);
bytes memory data = abi.encode(sourceChainProver, 500000); // 500k gas limit

uint256 fee = prover.fetchFee(
    5009297550715157269, // Ethereum Mainnet selector
    encodedProofs,
    data
);

// Send proof with payment
prover.prove{value: fee}(
    intentHash,
    5009297550715157269,
    encodedProofs,
    data
);