Blockchain By Example

Debit payment

The buyer makes a payment for the goods. In this step, we define the BuyerDepositPayment transaction and related event and update the LC status:

transaction BuyerDepositPayment {  --> LetterOfCredit lc}event BuyerDepositPaymentEvent {  --> LetterOfCredit lc}

The letter status is set to BUYER_DEBIT_PAYMENT, and the step to 7:

/** * buyer Deposit Payment * @param {org.example.lc.BuyerDepositPayment} buyerDepositPayment - buyer Deposit Payment * @transaction */async function buyerDepositPayment(request) { // eslint-disable-line no-unused-vars    const factory = getFactory();    const namespace = 'org.example.lc';    let letter = request.lc;    if (letter.status === 'CLOSED') { throw new Error ('This letter of credit has already been closed'); ...