Deterministic Finance.

import { Agent, Context, Tool } from '@akios/sdk';

// Define hard risk limits
const RISK_POLICY = {
  maxTransaction: 10000.00,
  authorizedCurrencies: ['USD', 'EUR'],
  requireApprovalAbove: 5000.00
};

export const tradeExecutor = new Tool({
  name: 'execute_trade',
  description: 'Executes a market order',
  parameters: z.object({
    amount: z.number(),
    currency: z.string(),
    side: z.enum(['buy', 'sell'])
  }),
  
  // Pre-execution hook (Deterministic)
  middleware: async (ctx, args) => {
    if (args.amount > RISK_POLICY.maxTransaction) {
      throw new Error('RISK_VIOLATION: Amount exceeds hard limit');
    }
    
    if (!RISK_POLICY.authorizedCurrencies.includes(args.currency)) {
      throw new Error('COMPLIANCE_VIOLATION: Unauthorized currency');
    }
    
    // Log intent to immutable ledger before execution
    await ctx.ledger.recordIntent(args);
  }
});