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new 0.4.5 Apr 18, 2025
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0.2.30 Jul 23, 2024

#257 in Parser implementations

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4,513 downloads per month
Used in 4 crates

Apache-2.0

52KB
1.5K SLoC

Cala

Cala is a robust ledger system developed by Galoy, designed to handle complex financial transactions and accounting operations. It provides a flexible and scalable solution for managing financial records with strong consistency guarantees.

Features

Core Capabilities

  • Double-Entry Accounting: Built-in support for double-entry bookkeeping principles ensuring accurate financial records
  • SQL-Compatible: Engineered to work with SQL databases (PostgreSQL) for robust data persistence and querying
  • Strong Consistency: Ensures accuracy and reliability of financial records
  • Real-time Processing: Efficient transaction processing suitable for production financial systems

API & Integration

  • GraphQL API: Modern API interface with built-in playground for easy integration and testing
  • Extensible Architecture: Modular design with support for custom extensions via the Node.js bindings
  • Transaction Templates: Customizable transaction templates for common financial operations
  • Multi-Currency Support: Handle transactions across different currencies

Developing

Dependencies

Nix package manager

direnv >= 2.30.0

Docker

Testing

Run unit tests with:

make reset-deps next-watch

Run end-to-end tests with:

make e2e

Running the Server

To run the server:

make run-server

Dependencies

~5–8.5MB
~150K SLoC