# IKyberNetwork
{% hint style="warning" %}
You are referring to the **`Legacy`** version of KyberSwap docs.
For the most updated information, please refer to:
* [**`Classic`**](https://github.com/KyberNetwork/kyberswap-documentation/blob/main/reference/legacy/api-abi/core-smart-contracts/broken-reference/README.md)
* [**`Elastic`**](https://docs.kyberswap.com/reference/legacy/kyberswap-elastic)
* [**`Limit Order`**](https://docs.kyberswap.com/kyberswap-solutions/limit-order)
* [**`Aggregator`**](https://docs.kyberswap.com/kyberswap-solutions/kyberswap-aggregator)
{% endhint %}
## interface IKyberNetwork
imports IERC20
*Source*: [IKyberNetwork.sol](https://github.com/KyberNetwork/smart-contracts/blob/master/contracts/sol6/IKyberNetwork.sol)
***
### INDEX[](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-ikybernetwork#index)
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### REFERENCE[](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-ikybernetwork#reference)
#### Events[](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-ikybernetwork#events)
#### `KyberTrade`[](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-ikybernetwork#kybertrade)
Event for logging execution of trades.
***
event **KyberTrade**(IERC20 src, IERC20 dest, uint256 ethWeiValue, uint256 networkFeeWei, uint256 customPlatformFeeWei, bytes32\[] t2eIds, bytes32\[] e2tIds, uint256\[] t2eSrcAmounts, uint256\[] e2tSrcAmounts, uint256\[] t2eRates, uint256\[] e2tRates) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `src` | IERC20 | source token address | | `dest` | IERC20 | destination token address | | `ethWeiValue` | uint256 | Ether wei value of the trade | | `networkFeeWei` | uint256 | network fee charged in wei | | `customPlatformFeeWei` | uint256 | platform fee charged in wei | | `t2eIds` | bytes32\[] | the reserve IDs used in the token to eth trade portion | | `e2tIds` | bytes32\[] | the reserve IDs used in the eth to token trade portion | | `t2eSrcAmounts` | uint256\[] | the source smounts used in the token to eth trade portion | | `e2tSrcAmounts` | uint256\[] | the source smounts used in the eth to token trade portion | | `t2eRates` | uint256\[] | the rates used in the token to eth trade portionn | | `e2tRates` | uint256\[] | the source smounts used in the eth to token trade portion | Signature: 0x30bbea603a7b36858fe5e3ec6ba5ff59dde039d02120d758eacfaed01520577d
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#### Functions[](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-ikybernetwork#functions)
#### `tradeWithHintAndFee`[](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-ikybernetwork#tradewithhintandfee)
Executes a trade between src and dest token and send dest tokens to destAddress; includes the platform fee.
***
function **tradeWithHintAndFee**(address payable trader, IERC20 src, uint256 srcAmount, IERC20 dest, address payable destAddress, uint256 maxDestAmount, uint256 minConversionRate, address payable platformWallet, uint256 platformFeeBps, bytes hint) external payable returns (uint256 destAmount) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `trader` | address | trader's address | | `src` | IERC20 | source ERC20 token contract address | | `srcAmount` | uint256 | source ERC20 token amount in its token decimals | | `dest` | IERC20 | destination ERC20 token contract address | | `destAddress` | address | recipient address for destination ERC20 token | | `maxDestAmount` | uint256 | limit on the amount of destination tokens | | `minConversionRate` | uint256 | minimum conversion rate; trade is canceled if actual rate is lower | | `platformWallet` | address | address receiving the platform fee | | `platformFeeBps` | uint256 | platform fee in BPS to be used in this trade | | `hint` | bytes | hint in bytes for reserve routing | **Returns:**\ Amount of actual destination tokens in twei
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#### `enabled`[](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-ikybernetwork#enabled)
Returns a boolean determining if trading is enabled on the network.
***
function **enabled**() external view returns (bool)\ **Returns:**\ Returns `true` if the network is enabled for trading, otherwise `false`.
\
\### \`getExpectedRateWithHintAndFee\` Get the token conversion rate after processing the hint and includes the platform fee. \_\_\_ function \_\_getExpectedRateWithHintAndFee\_\_(IERC20 src, IERC20 dest, uint256 srcQty, uint256 platformFeeBps, bytes hint) external view returns (uint256 expectedRateAfterNetworkFee, uint256 expectedRateAfterAllFees) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | \`src\` | IERC20 | source ERC20 token contract address | | \`dest\` | IERC20 | destination ERC20 token contract address | | \`srcQty\` | uint256 | source ERC20 token amount in its token decimals | | \`platformFeeBps\` | uint256 | platform fee in BPS | | \`hint\` | bytes | hint in bytes for reserve routing | \*\*Returns:\*\*\ expectedRateAfterNetworkFee - conversion rate of the src and dest tokens after deducting the network fee. expectedRateAfterAllFees - conversion rate of the src and dest tokens after deducting the network and platform fee.\
\### \`getNetworkData\` Returns basic network data. \_\_\_ function \_\_getNetworkData\_\_() external view returns (uint256 negligibleDiffBps, uint256 networkFeeBps, uint256 expiryTimestamp)\ \*\*Returns:\*\*\ negligibleDiffBps - neglibigle difference in BPS networkFeeBps - network fees in BPS expiryTimestamp - expiry timestamp in epoch time when the network fees will expire and need to be updated\
\### \`maxGasPrice\` Returns the maximum gas price limit to prevent front running. \_\_\_ function \_\_maxGasPrice\_\_() external view returns (uint256)\ \*\*Returns:\*\*\ The maximum gas price limit