LBSwapService

The LBSwapService class provides methods for calculating swap amounts and fees. It is used internally by the LiquidityBookServices class, but can also be used as a standalone service.

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Constructor

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new LBSwapService

Creates a new instance of the LBSwapService class.

Parameters

lbProgram · Program<Idl> · required

The Liquidity Book program instance.

connection · Connection · required

The Solana connection object.

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Methods

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fromLbConfig

A static method to create a new instance of the LBSwapService class.

Parameters

lbProgram · Program<Idl> · required

The Liquidity Book program instance.

connection · Connection · required

The Solana connection object.

Returns

Returns · LBSwapService

A new instance of LBSwapService.

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getBinArray

Retrieves the bin array for a given pair and bin array index.

Parameters

params · GetBinArrayParams · required

Show properties

binArrayIndex · number

The index of the bin array.

pair · PublicKey

The public key of the pair.

payer · PublicKey

The public key of the payer.

transaction · Transaction

The transaction to add the instruction to.

Returns

Returns · PublicKey

The public key of the bin array.