> For the complete documentation index, see [llms.txt](https://docs.openleverage.finance/main/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.openleverage.finance/main/dev/github.md).

# Developer Guide

OpenLeverage is an open-source project. If you want to contribute to the project or have questions on technical aspects, we highly encourage you to discuss the problem and the solution with the team. If you want to reach out to the dev team directly, contact the [dev-chat channel](https://discord.gg/openleverage) on Discord.

## Source Code Repo

The source can be found in [OpenLeverage GitHub](https://github.com/OpenLeverageDev/openleverage-contracts).

## Backend API

#### All Lending pools info

<pre><code><strong>https://&#x3C;chain>.openleverage.finance/api/info/pools
</strong></code></pre>

**All pool lending and borrowing interest info**

```
https://<chain>.openleverage.finance/api/info/pools/interest
```

#### Stats for Individual lending pool

```
https://<chain>.openleverage.finance/api/info/pool/<poolAddress>
```

Chain prefixes are bnb, kcc, eth.

## Deployed Contracts

### Ethereum

| Contract                | Address                                    |
| ----------------------- | ------------------------------------------ |
| Timelock                | 0x2645252e2155c12e2726d0Ccd5fc0d1cCCFE07E6 |
| EthDexAggregatorV1      | 0x0618BB1d384Fb98aFf54344C659863a114d67E18 |
| DexAggregatorDelegator  | 0xd78b5db4Aec619779B4c7D1ab99e290E6347d66A |
| XOLE                    | 0x335aCe4Dc018D3454655BAcCF67D273B7BA60976 |
| XOLEDelegator           | 0xe194002badd717b1e4d9f160b681f1d7c2e45776 |
| LPool                   | 0xa6f1114e90cF94Ba3a7D72c4886b4E069803CdB6 |
| ControllerV1            | 0x4fe63344AbEB0b7c61FFC75F3FD6944441f3C68D |
| ControllerDelegator     | 0x0eabe8e34a1fae4601953667f811acb9ff808e78 |
| OpenLevV1Lib            | 0xc082DF0E88510527328f1664d0830BA666310f26 |
| OpenLevV1               | 0xF580Ff539cb2764Dcc687F950478d9DadEb83502 |
| OpenLevDelegator        | 0x03Bf707DeB2808f711bb0086fc17C5CAfA6e8AaF |
| LPoolDepositor          | 0x5e849353BE4117ba53F7A153673b2120c0430bfb |
| LPoolDepositorDelegator | 0xA6C4bB39F031CC74d4bd005A764E152970762561 |
| QueryHelper             | 0x8e95FF1939a2C7c59ec5eF170A591e2Da08Fb87A |

### BNB Chain

| Contract                | Address                                    |
| ----------------------- | ------------------------------------------ |
| Timelock                | 0x7B041bD2f676EEd1ab22A17c9eD5b6b3cb794673 |
| BscDexAggregatorV1      | 0xC8DEa1E3d4E17606977cfa65E9a8AFc8e8cc86C3 |
| DexAggregatorDelegator  | 0xE9E321D1cb6b540E922a5e4d8720FEed0749e93F |
| XOLE                    | 0x2C3e8742efd65261eCFfbc925feA694e29572bca |
| XOLEDelegator           | 0x71F1158D76aF5B6762D5EbCdEE19105eab2C77d2 |
| LPool                   | 0xDe7676a276f7710ff87da0a82272EA21f3A8690E |
| ControllerV1            | 0x4B16dF3276778226ec71421b4E306A2ef4d4dFfC |
| ControllerDelegator     | 0x912C0462474c933499a6923a6Afc6AC1E58b8Ce4 |
| OpenLevV1Lib            | 0xb4F37c78A69D04044Bef702B79fAb8E1f3E70FCE |
| OpenLevV1               | 0xf43b090d50C5909707D50E56992da2Bab3961251 |
| OpenLevDelegator        | 0x6A75aC4b8d8E76d15502E69Be4cb6325422833B4 |
| LPoolDepositor          | 0x3C1550fD43e69cB20a7A1D318eD84096d6E1eCFd |
| LPoolDepositorDelegator | 0x73FB88ffF5F22ea7276F73832C6334696b7A3541 |
| QueryHelper             | 0x512A2F81B4F4AE66747F2f21910D5a14015BD3E9 |

### KuCoin Community Chain

| Contract                | Address                                    |
| ----------------------- | ------------------------------------------ |
| Timelock                | 0xAd0BFA476FB71215BA026EBE60FfA9b31D98Efe7 |
| KccDexAggregatorV1      | 0x2Ff5BDEE4EeFd7a3a052dAE9469dDA22f364d686 |
| DexAggregatorDelegator  | 0xc2E51Ab824cC088CB5253E74963B00a15Be7d234 |
| XOLE                    | 0x27CCB1F9Abc27F6A92DC4bD6b974Cd152419813c |
| XOLEDelegator           | 0xC7ff25AD08Aa8eA665Cf78532F7317067Cffb290 |
| LPool                   | 0x15d530E620Da0BACdDBDea7fb37eaaaBB4ae1d07 |
| ControllerV1            | 0x01Af643dD8dD41ed1F1066FAc465cc8bfc52D6EB |
| ControllerDelegator     | 0x8A2F01b39319de1dFE219090018B6F460e968e00 |
| OpenLevV1Lib            | 0x3E202DB5DB294107Cafee34c6E923eE8039F9728 |
| OpenLevV1               | 0x7C0d5BF86427C02F6A841E28Ff7cF2934AA83B34 |
| OpenLevDelegator        | 0xEF6890d740E1244fEa42E3D1B9Ff515C24c004Ce |
| LPoolDepositor          | 0xC7C3333f713eB2b100Dc6bdC9F79FA43a2A5dDc8 |
| LPoolDepositorDelegator | 0xCC25Bcd56E425B13AbB6C8C653C50A1F6Adb7b18 |
| QueryHelper             | 0xbd51d161fb4109f2cde5b430ace615fc83062273 |

### Kovan Testnet

| Contract               | Address                                    |
| ---------------------- | ------------------------------------------ |
| Timelock               | 0xC8f0231Dfee65aCDD104c42E94151233be61323E |
| EthDexAggregatorV1     | 0xE67eD93Cf45444bdC1FdEcba0f7a32E1AB01A8a3 |
| DexAggregatorDelegator | 0xEae4C8209a42f73FA3Da2df28f263a2E52fACDa8 |
| XOLE                   | 0x69ef2561D48C3EcB420D483A39259D09bEAAcD08 |
| XOLEDelegator          | 0xe88C939de25d76a60628AC8e1969533A5fC4bCF1 |
| LPool                  | 0x2aEFaD39034273515849BeaF72AD3149eA92a59F |
| ControllerV1           | 0xbe4495Cb19b3a4a2aDbB417fF468Fd93be0a2339 |
| ControllerDelegator    | 0x487D093cbd6BA30E7bAbFEec337f54E2c59b4755 |
| OpenLevV1              | 0xA38139a3f0ADCB90E48809F7376048615A98A684 |
| OpenLevDelegator       | 0xF4ee94Aecc60E5De397744442770472b3aC45283 |
| LPoolDepositor         | 0xff2d5d3177befed6a5f41abaf59ab4cfc02326b2 |
| QueryHelper            | 0x4a6790a98dcFdaec6eB9C148dfAcCab56ebC5838 |