Exchange Auth Intent

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import { Gwop } from "@gwop/sdk";
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const gwop = new Gwop({
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  merchantApiKey: process.env.GWOP_MERCHANT_API_KEY,
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});
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const { result: token } = await gwop.authIntents.exchange({
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  authIntentId: "ai_mn5e49p01TJe5YUJ-Cw",
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  idempotencyKey: crypto.randomUUID(),
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});
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console.log(token.accessToken);          // RS256-signed JWT
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console.log(token.principal.sub);        // "base:0x742d..." or "solana:7sSi..."
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console.log(token.account.isNewAccount); // true on first auth

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const [chain, address] = token.principal.sub.split(":");
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// chain = "base", address = "0x742d..."

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import * as errors from "@gwop/sdk/models/errors";
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try {
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  await gwop.authIntents.exchange({ authIntentId, idempotencyKey: crypto.randomUUID() });
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} catch (err) {
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  if (err instanceof errors.ErrorResponse && err.statusCode === 402) {
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    // err.data$.error.code = "AUTH_INTENT_NOT_SETTLED"
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    // err.data$.error.message = "Auth intent not yet settled. The agent has not paid."
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    // Poll and retry — the agent may still be paying
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  }
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}

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// err.data$.error.code = "AUTH_INTENT_NOT_FOUND"
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// err.data$.error.message = "Auth intent not found"