The Unified
Multi-VM Blockchain Kernel

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

interface IMelBus {
    function dispatchSvmCall(bytes32 programId, bytes calldata data) external returns (bytes memory);
    function dispatchCairoCall(bytes32 cairoContract, bytes calldata data) external returns (bytes memory);
}

contract CrossVmArbitrage {
    IMelBus public constant MEL_BUS = IMelBus(0x0000000000000000000000000000000000000801);

    // Call Solana SVM Raydium pool synchronously from Solidity!
    function executeSwap(bytes32 svmProgram, bytes calldata swapIx) external {
        // Synchronous atomic cross-VM call with state snapshot rollback on revert
        bytes memory result = MEL_BUS.dispatchSvmCall(svmProgram, swapIx);
        require(result.length > 0, "SVM Execution Failed");
    }
}