Blockchain Development for Finance Projects by Ishan Roy

Author:Ishan Roy [Ishan Roy]
Language: eng
Format: epub, mobi
Tags: COM083000 - COMPUTERS / Security / Cryptography, COM062000 - COMPUTERS / Data Modeling and Design, COM018000 - COMPUTERS / Data Processing
Publisher: Packt
Published: 2020-01-31T12:20:58+00:00

client.query('SELECT name,address,dob,domain from users where friendlyid = $1', [friendlyId], (error, results) => {

if (error) {

throw error

}

if(results)

{

response.json({

name: results.rows[0].name,

address: results.rows[0].address,

date_of_birth: (results.rows[0].dob).toString(),

domain: results.rows[0].domain

});

response.end();

}});

});

The JSON response is sent to the requestor and is attached to the transaction when it is submitted to the blockchain network.

Next, let's look at the following sanctions endpoint. The sanctions endpoint carries out the following steps: Extracts the domain of the sender's address from the JSON request.

Checks the sanction database to ensure the domain and the financial institution are allowed to send payments by running a select query against the sender's domain.

If the domain owner, that is, the financial institution is sanctioned to send payments, send a 200 (OK) status in the response. If the entry does not exist, send an error 403 status with the message FI not sanctioned:

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