Source reviewedBackend / APISource archive

eKhata

A digital ledger application for recording business transactions and account balances.

Open full system flow

Architecture knowledge graph09 connected nodes

System coreeKhataBackend / API

01 / InputFinancial Inputs / Rules

02 / ProcessValidation & Calculation Engine

03 / IntegrateBusiness & Reporting Services

04 / DeliverFinancial Record / Calculation

Express

Node.js

MySQL

AWS SDK

Architecture stage Technology dependencyMove pointer to inspect depth

System brief

Backend / API / reviewed system architecture

Engineering focus: Product and systems engineering
Domain: Backend / API
Delivery window: Source archive
System state: Source reviewed

0source repositories indexed

1application packages detected

4core technologies mapped

The engineering move

Complex behavior, made operational.

Constraint

The product problem

A digital ledger application for recording business transactions and account balances. The engineering challenge is to turn that scope into a legible system with explicit inputs, dependable workflow boundaries, and an outcome that can be inspected and maintained.

System

The architecture decision

The reviewed implementation routes financial inputs / rules through validation & calculation engine, crosses business & reporting services where required, and produces financial record / calculation.

Outcome

The operating result

eKhata is included as documented engineering work. Its source structure, technology stack, and functional flow are presented here even though no verified public deployment is currently available.

Delivered capability

What the system actually does.

Financial Inputs / Rules intake and validation

Validation & Calculation Engine execution

Business & Reporting Services integration boundary

Financial Record / Calculation delivery

Persistent data and state management

Full system flow

The Mermaid diagram, rendered.

The interactive graph above is the executive view. This is the detailed service, data, control, and delivery path reviewed from source.

Rendering the reviewed system flow

Production architecture

A concrete path through the system.

Each stage below comes from the reviewed source tree, routes, services, infrastructure, and deployment evidence.

01
Input
Financial Inputs / Rules
The workflow begins with a defined user, event, document, media, or service input and establishes the state required for processing.
ExpressNode.js
02
Process
Validation & Calculation Engine
Domain logic coordinates the central transformation, reasoning, automation, or product workflow behind the project.
MySQLAWS SDK
03
Integrate
Business & Reporting Services
External APIs, model providers, storage, platform services, or host applications are kept behind an explicit integration boundary.
ExpressNode.js
04
Deliver
Financial Record / Calculation
The system returns an actionable product result, structured dataset, automated operation, or user-facing response.
MySQLAWS SDK

Engineering judgment

The decisions behind the delivery.

The source remains the evidence

Descriptions and architecture are grounded in the indexed repository structure, package metadata, and reviewed functional flow.

Boundaries stay explicit

Inputs, core workflow, integrations, and outcomes are separated so the system can be understood without relying on a public demo.

Deployment status is honest

No live action is displayed because a public deployment could not be verified.

Technical constellation

01Express02Node.js03MySQL04AWS SDK

Source evidence

The system is documented.

Source tree and architecture inventory reviewed on 2026-07-16; no public deployment verified. Its reviewed architecture and functional flow remain available without presenting an unverified public deployment.

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