Get crypto deposit status

  ## 📊 Check Crypto Deposit Status
  
  Retrieve the current status and details of a crypto deposit using the reference_id.
  
  ### Status Values
  - **PENDING**: Waiting for blockchain transaction or insufficient confirmations
  - **SUCCESSFUL**: Transaction confirmed with required confirmations
  - **FAILED**: Transaction failed or rejected
  
  ### Response Details
  When `status = "SUCCESSFUL"`, the response includes:
  - `transaction_hash`: Blockchain transaction hash
  - `confirmations`: Current confirmation count
  - `sender_address`: Customer's wallet address
  - `integrator_wallet_address`: Your wallet address that received the crypto
  
  ### Usage
  Use this endpoint to:
  - Check status when callbacks fail
  - Implement fallback status checking
  - Debug transaction issues
  - Provide status updates to customers