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Pay Invoice

payInvoice

Provides an interface for an application to request payment of a BIP70 invoice to a users wallet.

Method Interface

function payInvoice(PayInvoiceInput): Promise<PayInvoiceOutput>

Input arguments

interface PayInvoiceInput {
  url: string; // Url to retrieve the BIP70 payment request from the merchant server
}

Success return value

interface PayInvoiceOutput {
  memo: string; // Message from merchant server upon receiving payment
}

Error return value

interface Error {
  type: string; // `NO_PROVIDER`|`PROTOCOL_ERROR`|`MERCHANT_ERROR`|`MALFORMED_INPUT`|`CANCELED`
  description: string;
  data: string;
}

Example

import bitcoincomLink from 'bitcoincom-link';

bitcoincomLink.payInvoice({
  url: 'bitcoincash:?r=https://bitpay.com/i/LHQmUTjzAcqX1NU47Nk1mJ',
})
.then((data: PayInvoiceOutput) => {
  const {
    memo,
  } = data;

  console.log('Payment processed memo from merchant server: ' + memo);
})
.catch(({type: string, description: string, data: any}) => {
  switch(type) {
    case NO_PROVIDER:
      console.log('No provider available.');
      break;
    case PROTOCOL_ERROR:
      console.log('The provided protocol is not supported by this wallet.');
      break;
    case MERCHANT_ERROR:
      console.log('There was an error when sending this transaction to the merchant.');
      break;
    case MALFORMED_INPUT:
      console.log('The input provided is not valid.');
      break;
    case CANCELED:
      console.log('The user has canceled this transaction request.');
      break;
  }
});

Demo - Send BCH Invoice

Provider Request Handling

  • Fetch payment request from merchant server
  • Present payment request information to user for approval
  • Upon approval, submit transaction and send confirmation to merchant server
  • Return payment confirmation memo from merchant server to connected application
  • In the case there is an error in the

Example

{
  memo: 'Payment of 1 BTC for eleven tribbles accepted for processing.',
}