UNPKG

pumpfun-swap-sdk

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SDK for interacting with the PumpFun AMM on Solana

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import BN from 'bn.js'; import { BuyBaseInputResult, BuyQuoteInputResult } from '../types/sdk'; /** * Calculates a "buy" in a constant-product AMM with fees. * Slippage is handled as a percentage where slippage=1 => 1%. * * @param base - Base tokens requested (out). * @param slippage - Slippage tolerance in % (1 => 1%). * @param baseReserve - Reserve of base token in the pool. * @param quoteReserve - Reserve of quote token in the pool. * @param lpFeeBps - LP fee in basis points (BN). * @param protocolFeeBps - Protocol fee in basis points (BN). */ export declare function buyBaseInputInternal(base: BN, slippage: number, // 1 => 1% baseReserve: BN, quoteReserve: BN, lpFeeBps: BN, // LP fee in basis points (BN) protocolFeeBps: BN): BuyBaseInputResult; /** * Calculates a "buy" in a constant-product AMM with fees, where the input is quote tokens. * Slippage is handled as a percentage where slippage=1 => 1%. * * @param quote - Quote tokens provided (in), including fees. * @param slippage - Slippage tolerance in % (1 => 1%). * @param baseReserve - Reserve of base token in the pool. * @param quoteReserve - Reserve of quote token in the pool. * @param lpFeeBps - LP fee in basis points (BN). * @param protocolFeeBps - Protocol fee in basis points (BN). */ export declare function buyQuoteInputInternal(quote: BN, slippage: number, // 1 => 1% baseReserve: BN, quoteReserve: BN, lpFeeBps: BN, // LP fee in basis points (BN) protocolFeeBps: BN): BuyQuoteInputResult;