swap-router-sdk

Tezos Swap Router SDK

Library that helps you ti find most profitable way to swap tokens on Tezos ecosystem.

Supported DEXes:

• QuipuSwap
• Plenty
• Liquidity Baking
• QuipuSwap Token to Token
• Youves
• Vortex
• QuipuSwap curve-like DEXes, also known as Stableswap
• Spicy
• Spicy Wrap

Installation

yarn add swap-router-sdk

Prerequisites & explenation

TEZOS_DEXES_API_URL: string - url to the WebSocket server that returns list of available pairs and their liquidity
inputAssetSlug: string - slug (address_id || tez) of input token
outputAssetSlug: string - slug (address_id || tez) of desired output token
inputMutezAmount: BigNumber - number of input token (1 TEZ = 1 000 000 mutez)
outputMutezAmount: BigNumber - number of output token (1 TEZ = 1 000 000 mutez)
slippageTolerance: number | undefined - slippage tolerance percent maxDepth?: number - maximal depth of search, which is equal to maximal route length. Default value is 3 receiverPublicKeyHash?: string - public key hash of swap output receiver. Default value is sender's public key hash referralAddress?: string - the address of referral fees receiver for QuipuSwap curve-like DEXes

Usage

const allRoutePairs = useAllRoutePairs(TEZOS_DEXES_API_URL);

const routePairsCombinations = useRoutePairsCombinations(
  inputAssetSlug,
  outputAssetSlug,
  allRoutePairs.data,
  maxDepth
);

...

const bestTradeExactIn = getBestTradeExactInput(inputMutezAmount, routePairsCombinations);
const bestTradeExactOutput = getBestTradeExactOutput(outputMutezAmount, routePairsCombinations);

...

const bestTradeWithSlippageTolerance = useTradeWithSlippageTolerance(
  inputMutezAmount,
  bestTrade,
  slippageTolerance
);

...

const tradeTransferParams = await getTradeOpParams(bestTradeWithSlippageTolerance, account.publicKeyHash, tezos, referralAddress, receiverPublicKeyHash);

const walletParamsWithKind = tradeTransferParams.map(transferParams => parseTransferParamsToParamsWithKind(transferParams));