Transparent. Verifiable. Reconciled.

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

interface IReserveChainProofOfReserves {
    struct ReserveAttestation {
        bytes32 merkleRoot;          // Merkle Sum Tree Root
        uint256 physicalEligibleKg;   // Total verified vaulted weight (18 decimals)
        uint256 tokenizedSupplyKg;    // Total on-chain circulating units
        uint256 timestamp;            // Attestation block timestamp
        bytes32 oracleAttestationHash;// Signed payload from Chainlink feed
    }

    event InvariantChecked(uint256 reserveRatioBps, bool isSolvent);
    event CircuitBreakerTripped(uint256 deficitKg, string reason);

    function verifySolvencyInvariant() external view returns (bool isSolvent, uint256 coverageBps);
    function getLatestAttestation() external view returns (ReserveAttestation memory);
    function requireCoverageAboveParity() external view; // Reverts if coverage < 100.00%
}