Intents (SDK)

const intent = await pan.lend({
  walletId: 'pan_wallet_abc123',
  amount: 1000,
  asset: 'USDC'  // Opcional, default: 'USDC'
});

console.log('Intent:', intent.id);
console.log('Estado:', intent.status);
console.log('Plan:', intent.executionPlan);

const intent = await pan.withdraw({
  walletId: 'pan_wallet_abc123',
  amount: 500,
  asset: 'USDC',
  chain: 'base'  // Requerido
});

const intent = await pan.bridge({
  walletId: 'pan_wallet_abc123',
  amount: 500,
  asset: 'USDC',
  fromChain: 'arbitrum-sepolia',
  toChain: 'base-sepolia'
});

const intent = await pan.transfer({
  walletId: 'pan_wallet_abc123',
  to: '0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb',
  amount: 100,
  asset: 'USDC',
  chain: 'arbitrum-sepolia'
});

const intent = await pan.getIntent('intent_xyz789');

console.log('Estado:', intent.status);
console.log('Pasos completados:', intent.results?.completedSteps);

// Parámetros de entrada
interface LendIntentParams {
  walletId: string;
  amount: number;
}

interface WithdrawIntentParams {
  walletId: string;
  amount: number;
  asset?: string;
  chain: string;  // Requerido
}

interface BridgeIntentParams {
  walletId: string;
  amount: number;
  asset?: string;
  fromChain: string;  // Requerido
  toChain: string;    // Requerido
}

interface TransferIntentParams {
  walletId: string;
  to: string;         // Dirección destino
  amount: number;
  asset?: string;
  chain: string;      // Requerido
}

// Respuesta de Intent
interface Intent {
  id: string;
  developerId: string;
  walletId: string;
  status: 'pending' | 'planning' | 'executing' | 'completed' | 'failed';
  action: 'lend' | 'withdraw' | 'bridge' | 'transfer' | 'swap';
  amount: number;
  executionPlan?: ExecutionPlan;
  results?: ExecutionResult[];
  totalGasUsed?: number;
  totalGasCostUsd?: number;
  errorMessage?: string;
  createdAt: string;
  updatedAt: string;
  completedAt?: string;
}

// Plan de ejecución
interface ExecutionPlan {
  strategy: 'direct-deposit' | 'bridge-and-lend' | 'multi-bridge-and-lend' | 'simple-withdraw' | 'bridge-only';
  steps: ExecutionStep[];
  estimatedGas?: number;
  estimatedTime?: number;
  reasoning: string;
}

// Tipos de pasos
type ExecutionStepType = 'deposit' | 'withdraw' | 'swap' | 'bridge' | 'consolidate';

interface ExecutionStep {
  type: ExecutionStepType;
  status?: 'pending' | 'executing' | 'completed' | 'failed';
}

interface DepositStep extends ExecutionStep {
  type: 'deposit';
  protocol: 'aave';
  asset: string;
  amount: number;
  chain: string;
}

interface BridgeStep extends ExecutionStep {
  type: 'bridge';
  fromChain: string;
  toChain: string;
  asset: string;
  amount: number;
  bridge?: 'across';
}

async function waitForIntent(intentId: string): Promise<Intent> {
  while (true) {
    const intent = await pan.getIntent(intentId);

    if (intent.status === 'completed') {
      return intent;
    }

    if (intent.status === 'failed') {
      throw new PanError(intent.error!);
    }

    await new Promise(r => setTimeout(r, 5000));
  }
}

// Uso
const intent = await pan.lend({ walletId, amount: 1000, asset: 'USDC' });
const result = await waitForIntent(intent.id);
console.log('Completado! Gas:', result.results?.totalGasCostUsd);

async function executeWithProgress(
  params: LendParams,
  onProgress: (intent: Intent) => void
): Promise<Intent> {
  const intent = await pan.lend(params);
  onProgress(intent);

  while (true) {
    const updated = await pan.getIntent(intent.id);
    onProgress(updated);

    if (updated.status === 'completed' || updated.status === 'failed') {
      return updated;
    }

    await new Promise(r => setTimeout(r, 5000));
  }
}

// Uso
const result = await executeWithProgress(
  { walletId, amount: 1000, asset: 'USDC' },
  (intent) => {
    console.log(`Estado: ${intent.status}`);
    if (intent.executionPlan) {
      const done = intent.results?.completedSteps || 0;
      const total = intent.executionPlan.steps.length;
      console.log(`Progreso: ${done}/${total}`);
    }
  }
);

import { useState, useCallback } from 'react';
import { usePan } from './usePan';
import type { Intent, LendParams } from '@pan/sdk';

export function useIntent() {
  const pan = usePan();
  const [intent, setIntent] = useState<Intent | null>(null);
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState<Error | null>(null);

  const execute = useCallback(async (params: LendParams) => {
    try {
      setLoading(true);
      setError(null);

      // Crear intent
      let current = await pan.lend(params);
      setIntent(current);

      // Monitorear
      while (current.status !== 'completed' && current.status !== 'failed') {
        await new Promise(r => setTimeout(r, 5000));
        current = await pan.getIntent(current.id);
        setIntent(current);
      }

      if (current.status === 'failed') {
        throw new Error(current.error?.message || 'Intent failed');
      }

      return current;
    } catch (err) {
      setError(err);
      throw err;
    } finally {
      setLoading(false);
    }
  }, [pan]);

  const progress = intent?.executionPlan
    ? ((intent.results?.completedSteps || 0) / intent.executionPlan.steps.length) * 100
    : 0;

  return {
    intent,
    loading,
    error,
    execute,
    progress,
    status: intent?.status
  };
}

// Uso en componente
function LendButton({ walletId }) {
  const { execute, loading, progress, status } = useIntent();

  const handleLend = async () => {
    try {
      const result = await execute({
        walletId,
        amount: 1000,
        asset: 'USDC'
      });
      console.log('Completado!', result);
    } catch (err) {
      console.error('Error:', err);
    }
  };

  return (
    <div>
      <button onClick={handleLend} disabled={loading}>
        {loading ? `${progress.toFixed(0)}%` : 'Depositar'}
      </button>
      {status && <p>Estado: {status}</p>}
    </div>
  );
}