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@perk.money/perk-swap-core

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This npm package contains core logic of Perk Aggregator build on top of NEAR blockchain

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import JSBI from 'jsbi'; import { Percentage } from '../../utils'; import { RefFinanceStablePool } from './types'; export declare const calc_d: ({ pool }: { pool: RefFinanceStablePool; }) => number; export declare const calc_y: ({ pool, x_c_amount, tokenInId, tokenOutId, }: { pool: RefFinanceStablePool; x_c_amount: number; tokenInId: string; tokenOutId: string; }) => number; export declare function calc_swap({ pool, tokenInId, tokenOutId, amountIn, }: { pool: RefFinanceStablePool; tokenInId: string; tokenOutId: string; amountIn: JSBI; }): [JSBI, JSBI]; export declare function getStableOutputAmount({ tokenInId, tokenOutId, slippage, amountIn, stablePool, }: { tokenInId: string; tokenOutId: string; slippage: Percentage; amountIn: JSBI; stablePool: RefFinanceStablePool; }): { amountIn: JSBI; amountOut: JSBI; minAmountOut: JSBI; feeAmount: JSBI; notEnoughLiquidity: boolean; priceImpact: number; }; export declare const getStableInputAmount: ({ tokenInId, tokenOutId, amountOut, slippage, stablePool, }: { tokenInId: string; tokenOutId: string; amountOut: JSBI; slippage: Percentage; stablePool: RefFinanceStablePool; }) => { swapAmountOutDiff: JSBI; priceImpact: number; notEnoughLiquidity: boolean; amountIn: JSBI; amountOut: JSBI; minAmountOut: JSBI; feeAmount: JSBI; };