Events & ABIs

// CarbonCreditNFT
event CreditMinted(uint256 indexed tokenId, string indexed projectId, address indexed recipient, uint256 co2Tonnes, string methodology);
event CreditRetired(uint256 indexed tokenId, address indexed retiredBy, uint256 timestamp, uint256 co2Tonnes, string reason);

// CarbonCreditToken
event CreditWrapped(address indexed user, uint256 indexed tokenId, uint256 co2Tonnes);
event CreditUnwrapped(address indexed user, uint256 indexed tokenId, uint256 co2Tonnes);

// CarbonRegistry
event CompanyRegistered(address indexed company, string name, string legalId, uint256 scope1, uint256 scope2, uint256 scope3);
event EmissionsUpdated(address indexed company, uint256 scope1, uint256 scope2, uint256 scope3, uint256 total, uint256 timestamp);
event TraderRegistered(address indexed trader, string name, string country);
event CompanyVerified(address indexed company, bool verified, address indexed verifier);

// CarbonMarketplace
event OrderCreated(uint256 indexed orderId, address indexed trader, bool isBuyOrder, uint256 amount, uint256 pricePerTonne);
event OrderFilled(uint256 indexed orderId, address indexed taker, uint256 amountFilled, uint256 totalCost);
event BidPlaced(uint256 indexed auctionId, address indexed bidder, uint256 bidAmount);
event Swap(address indexed trader, bool carbonToStable, uint256 amountIn, uint256 amountOut, uint256 fee);
event PaymentDeferred(address indexed to, uint256 amount);
event PaymentClaimed(address indexed to, uint256 amount);

// CarbonMarketplace (fee discount)
event FeeDiscountProviderUpdated(address indexed oldProvider, address indexed newProvider);
event FeeDiscountApplied(address indexed payer, uint256 discountBps, uint256 feeCharged);

// CarbonPriceOracle
event PriceReported(string indexed methodology, address indexed reporter, uint256 price, uint256 volume24h, uint256 observedAt);
event PriceSourcesUpdated(string[] urls);

// Oracle contracts (FunctionsConsumer)
event SourceUpdated(bytes32 indexed sourceHash, uint256 length);
event DONHostedSecretsUpdated(uint8 slotId, uint64 version);

// CarbStaking
event Staked(address indexed account, uint256 amount);
event Unstaked(address indexed account, uint256 amount, uint256 unlockAt);
event Withdrawn(address indexed account, uint256 amount);

// IssuerBond
event Bonded(address indexed issuer, uint256 amount, uint256 totalBond, bool roleGranted);
event SlashProposed(uint256 indexed id, address indexed issuer, uint256 amount, string reason, uint256 executableAt, uint256 expiresAt);
event Slashed(uint256 indexed id, address indexed issuer, uint256 amount, address indexed sink, bool burned);