Blockchain Integration

interface SessionKeyData {
  id: string;
  userId: string;
  walletAddress: string;
  chainId: string;
  sessionPublicKey: string;
  encryptedPrivateKey: string;
  securityLevel: SecurityLevel;
  status: SessionKeyStatus;
  validUntil: Date;
  permissions: SessionPermission[];
  totalUsedAmount: string;
  dailyUsedAmount: string;
}

interface SessionPermission {
  operation: string; // "send", "swap", "stake", etc.
  maxAmountPerTx: string; // Per-transaction limit
  maxDailyAmount: string; // Daily spending limit
  allowedContracts: string[]; // Whitelisted addresses
  requireConfirmation: boolean; // Manual approval required
  emergencyStop: boolean; // Operation suspended
}

enum SecurityLevel {
  BASIC = "basic",
  ENHANCED = "enhanced",
  MAXIMUM = "maximum",
}

interface TransactionValidation {
  // Authorization checks
  validateBlockchainAuthorization(): boolean;
  validateChainPermissions(chainId: string): boolean;
  validateOperationPermissions(operation: string): boolean;

  // Session key validation
  validateSessionKey(sessionKeyId: string): Promise<ValidationResult>;
  checkSpendingLimits(amount: string): boolean;
  validateContractAddress(address: string): boolean;

  // Security validations
  checkTransactionSafety(transaction: Transaction): Promise<SafetyResult>;
  validateGasParameters(gasLimit: number, gasPrice: string): boolean;
  detectSuspiciousActivity(context: ExecutionContext): boolean;
}

enum SessionEventType {
  CREATED = "created",
  USED = "used",
  REVOKED = "revoked",
  EXPIRED = "expired",
  SECURITY_ALERT = "security_alert",
}

interface SessionEvent {
  sessionKeyId: string;
  eventType: SessionEventType;
  eventData: Record<string, any>;
  severity: "info" | "warning" | "error" | "critical";
  ipAddress?: string;
  userAgent?: string;
  createdAt: Date;
}

// AI Agent can trigger blockchain operations
const aiBlockchainWorkflow = {
  blocks: [
    {
      id: "market-analysis",
      type: "AI_AGENT",
      config: {
        systemPrompt: "Analyze DeFi market conditions and recommend actions",
        selectedTools: ["brave-search", "fetch", "goat"],
      },
    },
    {
      id: "execute-swap",
      type: "SWAP_TOKENS",
      config: {
        chainId: "{{aiAgent.recommendedChain}}",
        fromToken: "{{aiAgent.fromToken}}",
        toToken: "{{aiAgent.toToken}}",
        amountIn: "{{aiAgent.swapAmount}}",
        slippageTolerance: 1.0,
      },
    },
  ],
};

// Template variables enable data flow between blocks
interface BlockDataFlow {
  // From HTTP Request block
  "{{httpRequest.data.price}}": number;
  "{{httpRequest.data.volume}}": number;

  // From Price Monitor block
  "{{priceMonitor.currentPrice}}": number;
  "{{priceMonitor.triggered}}": boolean;

  // From AI Agent block
  "{{aiAgent.recommendation}}": string;
  "{{aiAgent.confidence}}": number;

  // From Blockchain blocks
  "{{createWallet.address}}": string;
  "{{checkBalance.nativeBalance.balance}}": string;
  "{{swapTokens.transactionHash}}": string;
}

// Batch operations for efficiency
interface BatchOperation {
  operations: BlockchainOperation[];
  gasOptimization: boolean;
  executionOrder: "parallel" | "sequential";
  failureHandling: "stop" | "continue" | "retry";
}

// Example batch transaction
const batchSwap: BatchOperation = {
  operations: [
    { type: "approve", token: "USDC", amount: "1000" },
    { type: "swap", fromToken: "USDC", toToken: "ETH", amount: "1000" },
    { type: "stake", token: "ETH", amount: "0.5" },
  ],
  gasOptimization: true,
  executionOrder: "sequential",
  failureHandling: "stop",
};