# Developers Resources

## How to obtain CRO:LCRO exchange rate?

* **Network**: Cronos
* **LCRO contract address**: `0x9fae23a2700feecd5b93e43fdbc03c76aa7c08a6`
* Call `getTotalPooledCro` and `totalSupply`, then divide the total pooled CRO by the total supply of LCRO amount to receive the CRO:LCRO exchange rate.
* ABI:

{% file src="<https://220372747-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoOzYIbXVNt7O4xPrl0tz%2Fuploads%2Fs6nogsYJ06Li0vBRwlrM%2FLiquidCro.json?alt=media&token=9a18c458-9970-4427-9886-d907131d32dc>" %}

## How to obtain ATOM:LATOM exchange rate?

* **Network**: Cronos
* **LATOM contract address**: `0xac974ee7fc5d083112c809ccb3fce4a4f385750d`
* Call `getTotalPooledToken` and `totalSupply` , then divide the total pooled ATOM amount by the total supply of LATOM to receive the ATOM:LATOM exchange rate.
* ABI:

{% file src="<https://220372747-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoOzYIbXVNt7O4xPrl0tz%2Fuploads%2FDC6QLeKTE6AvWVzK96wc%2FLiquidAtom.json?alt=media&token=11e819af-41f4-4d7a-9331-7f15782f9416>" %}

## How to obtain TIA:LTIA exchange rate?

* **Network:** Cronos
* **LTIA contract address:** `0x276e28664dec4982f892a5b836e11f23040b6995`
* Call `getTotalPooledToken` and `totalSupply`, then divide the total pooled TIA amount by the total supply of LTIA to receive the TIA:LTIA exchange rate.
* ABI:

{% file src="<https://220372747-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoOzYIbXVNt7O4xPrl0tz%2Fuploads%2FaYDeRwmZ4Wsap7qM6veJ%2FLiquidTia.json?alt=media&token=91dadce1-8713-4438-9b3e-02adb2abb14f>" %}

## How to obtain ETH:LETH exchange rate?

* **Network**: zkSync Era
* **LETH contract address**: `0xE7895ed01a1a6AAcF1c2E955aF14E7cf612E7F9d`
* Call `getTotalPooledToken` and `totalSupply`, then divide the total pooled ETH amount by the total supply of LETH to receive the ETH:LETH exchange rate.
* ABI:

{% file src="<https://220372747-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoOzYIbXVNt7O4xPrl0tz%2Fuploads%2FkjfzssjLvvOyOSbbXoju%2FLiquidEth.json?alt=media&token=e0585549-ee08-4ae3-92b9-91ec4958868c>" %}