# KyberHintHandler

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## contract KyberHintHandler

is [IKyberHint](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-ikyberhint.md), Utils5\ imports Utils5, [IKyberHint](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-ikyberhint.md)

*Source*: [KyberHintHandler.sol](https://github.com/KyberNetwork/smart-contracts/blob/master/contracts/sol6/KyberHintHandler.sol)

### INDEX[​](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-kyberhinthandler#index) <a href="#index" id="index"></a>

\<AUTOGENERATED\_TABLE\_OF\_CONTENTS>

### REFERENCE[​](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-kyberhinthandler#reference) <a href="#reference" id="reference"></a>

### Functions[​](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-kyberhinthandler#functions) <a href="#functions" id="functions"></a>

#### `parseTokenToEthHint`[​](https://docs.kyberswap.com/Legacy/api-abi/core-smart-contracts/api_abi-kyberhinthandler#parsetokentoethhint) <a href="#parsetokentoethhint" id="parsetokentoethhint"></a>

Parses the hint for a token -> eth trade.

function **parseTokenToEthHint**(IERC20 tokenSrc, bytes hint) public view override returns (TradeType tokenToEthType, bytes32\[] tokenToEthReserveIds, IKyberReserve\[] tokenToEthAddresses, uint256\[] tokenToEthSplits) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `tokenSrc` | IERC20 | source token to trade | | `hint` | bytes | the ABI encoded hint, built using the build hint functions |

**Returns:**\ tokenToEthType - decoded hint type tokenToEthReserveIds - decoded reserve IDs tokenToEthAddresses - reserve addresses corresponding to reserve IDs tokenToEthSplits - decoded splits

\
\### \`parseEthToTokenHint\` Parses the hint for a eth -> token trade. \_\_\_ function \_\_parseEthToTokenHint\_\_(IERC20 tokenDest, bytes hint) public view override returns (TradeType ethToTokenType, bytes32\[] ethToTokenReserveIds, IKyberReserve\[] ethToTokenAddresses, uint256\[] ethToTokenSplits) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | \`tokenDest\` | IERC20 | dest token to trade | | \`hint\` | bytes | the ABI encoded hint, built using the build hint functions |

**Returns:**\ ethToTokenType - decoded hint type ethToTokenReserveIds - decoded reserve IDs ethToTokenAddresses - reserve addresses corresponding to reserve IDs ethToTokenSplits - decoded splits

\
\### \`parseTokenToTokenHint\` Parses the hint for a token to token trade. \_\_\_ function \_\_parseTokenToTokenHint\_\_(IERC20 tokenSrc, IERC20 tokenDest, bytes hint) public view override returns (TradeType tokenToEthType, bytes32\[] tokenToEthReserveIds, IKyberReserve\[] tokenToEthAddresses, uint256\[] tokenToEthSplits, TradeType ethToTokenType, bytes32\[] ethToTokenReserveIds, IKyberReserve\[] ethToTokenAddresses, uint256\[] ethToTokenSplits) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | \`tokenSrc\` | IERC20 | source token to trade | | \`tokenDest\` | IERC20 | dest token to trade | | \`hint\` | bytes | the ABI encoded hint, built using the build hint functions | \*\*Returns:\*\*\ tokenToEthType - decoded hint type tokenToEthReserveIds - decoded reserve IDs tokenToEthAddresses - reserve addresses corresponding to reserve IDs tokenToEthSplits - decoded splits ethToTokenType - decoded hint type ethToTokenReserveIds - decoded reserve IDs ethToTokenAddresses - reserve addresses corresponding to reserve IDs ethToTokenSplits - decoded splits\
\### \`buildTokenToEthHint\` Builds the hint for a token -> eth trade. \_\_\_ function \_\_buildTokenToEthHint\_\_(IERC20 tokenSrc, TradeType tokenToEthType, bytes32\[] tokenToEthReserveIds, uint256\[] tokenToEthSplits) public view override returns (bytes hint) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | \`tokenSrc\` | IERC20 | source token to trade | | \`tokenToEthType\` | TradeType | token -> eth trade hint type | | \`tokenToEthReserveIds\` | bytes32\[] | token -> eth reserve IDs | | \`tokenToEthSplits\` | uint256\[] | token -> eth reserve splits | \*\*Returns:\*\*\ hint - the ABI encoded hint\
\### \`buildEthToTokenHint\` Builds the hint for a eth -> token trade. \_\_\_ function \_\_buildEthToTokenHint\_\_(IERC20 tokenDest, TradeType ethToTokenType, bytes32\[] ethToTokenReserveIds, uint256\[] ethToTokenSplits) public view override returns (bytes hint) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | \`tokenDest\` | IERC20 | destination token to trade | | \`ethToTokenType\` | TradeType | eth -> token trade hint type | | \`ethToTokenReserveIds\` | bytes32\[] | eth -> token reserve IDs | | \`ethToTokenSplits\` | uint256\[] | eth -> token reserve splits | \*\*Returns:\*\*\ hint - the ABI encoded hint\
\### \`buildTokenToTokenHint\` Builds the hint for a token to token trade. \_\_\_ function \_\_buildTokenToTokenHint\_\_(IERC20 tokenSrc, TradeType tokenToEthType, bytes32\[] tokenToEthReserveIds, uint256\[] tokenToEthSplits, IERC20 tokenDest, TradeType ethToTokenType, bytes32\[] ethToTokenReserveIds, uint256\[] ethToTokenSplits) public view override returns (bytes hint) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | \`tokenSrc\` | IERC20 | source token to trade | | \`tokenToEthType\` | TradeType | token -> eth trade hint type | | \`tokenToEthReserveIds\` | bytes32\[] | token -> eth reserve IDs | | \`tokenToEthSplits\` | uint256\[] | token -> eth reserve splits | | \`tokenDest\` | IERC20 | destination token to trade | | \`ethToTokenType\` | TradeType | eth -> token trade hint type | | \`ethToTokenReserveIds\` | bytes32\[] | eth -> token reserve IDs | | \`ethToTokenSplits\` | uint256\[] | eth -> token reserve splits |

**Returns:**\ hint - the ABI encoded hint