31-AegisBank

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F1: Immutable Double-Entry Ledger Transfers ​

Overview ​

Guarantees zero mathematical discrepancies by writing atomic debit and credit records for every financial transaction.

Core Files ​

  • src/controllers/transaction.controller.js:25-110
  • src/models/ledger.model.js

Say It Out Loud ​

"I built the Double-Entry Ledger transfer engine in transaction.controller.js to ensure financial integrity. Every transfer executes inside a MongoDB atomic session, writing paired debit and credit entries into ledger.model.js."