x402-chainlink
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    Function createPaymentPayloadWithPermit

    • Create payment payload with optional EIP-2612 permit

      Type Parameters

      • TTransport extends Transport = Transport
      • TChain extends Chain = Chain
      • TAccount extends Account = Account

      Parameters

      • walletClient: {}

        Viem wallet client for signing

      • publicClient: {}

        Viem public client for reading nonce

      • _x402Version: number
      • paymentRequirements: PaymentRequirements

        Payment requirements from server

      • creConfig: CREConfig

        CRE configuration (endpoint, contract address)

      • Optionaloptions: CreatePaymentWithPermitOptions

        Optional permit configuration

      Returns Promise<PaymentPayload>

      Payment payload with permit data (if supported)

      const payload = await createPaymentPayloadWithPermit(
        walletClient,
        publicClient,
        2,
        paymentRequirements,
        { endpoint: 'https://cre.chainlink.example.com', network: 'eip155:8453' },
        {
          includePermit: true,
          facilitatorAddress: '0x1234...'
        }
      );

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