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@pontem/liquidswap-sdk

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@pontem/liquidswap-sdk

SDK to use LiquidSwap functions

0.5.3
Source
npm

Version published: 2 years ago

Weekly downloads: 136; decreased by-33%

Maintainers: 4

Weekly downloads

Created: 2 years ago

Source

LiquidSwap SDK

Table of Contents

The typescript SDK for Liquidswap.

Installation

For NPM:

npm i @pontem/liquidswap-sdk

For Yarn:

yarn add @pontem/liquidswap-sdk

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Usage

Init SDK

import { SDK, convertValueToDecimal } from '@pontem/liquidswap-sdk';

const sdk = new SDK({
  nodeUrl: 'https://fullnode.mainnet.aptoslabs.com/v1', // Node URL, required
  /**
    networkOptions is optional

    networkOptions: {
      nativeToken: '0x1::aptos_coin::AptosCoin', - Type of Native network token
      modules: {
        Scripts:
          '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::scripts_v2',  - This module is used for Swap
        CoinInfo: '0x1::coin::CoinInfo', - Type of base CoinInfo module
        CoinStore: '0x1::coin::CoinStore', - Type of base CoinStore module
      },
    }
  */
})

Convert 15 coins to Decimal type with 8 decimals (coins like APTOS, BTC, etc);

// convertValueToDecimal return Decimal type;
const decimalValue = convertValueToDecimal(15, 8); // 1500000000 (15 coin with 8 decimals)
or
const decimalValue2 = convertValueToDecimal('0.005', 8); // 500000 (0.005 coin with 8 decimals)

Swap EXACTLY 1 APTOS to SLIPPAGED layerzero USDT amount

(async () => {
  // Get USDT amount
  try {
    const output = await sdk.Swap.calculateRates({
      fromToken: '0x1::aptos_coin::AptosCoin', // full 'from' token address
      toToken: '0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDT', // full 'to' token address layerzero USDT
      amount: 100000000, // 1 APTOS, or you can use convertValueToDecimal(1, 8)
      curveType: 'uncorrelated', // can be 'uncorrelated' or 'stable'
      interactiveToken: 'from', // which token is 'base' to calculate other token rate.
    })
    console.log(output) // '4304638' (4.304638 USDT)

    // Generate TX payload for swap 1 APTOS to maximum 4.304638 USDT
    // and minimum 4.283115 USDT (with slippage -0.5%)
    const txPayload = sdk.Swap.createSwapTransactionPayload({
      fromToken: '0x1::aptos_coin::AptosCoin',
      toToken: '0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDT', // layerzero USDT
      fromAmount: 100000000, // 1 APTOS, or you can use convertValueToDecimal(1, 8)
      toAmount: 4304638, // 4.304638 USDT, or you can use convertValueToDecimal(4.304638, 6)
      interactiveToken: 'from',
      slippage: 0.005, // 0.5% (1 - 100%, 0 - 0%)
      stableSwapType: 'high',
      curveType: 'uncorrelated',
    })
    console.log(txPayload);
  } catch(e) {
    console.log(e)
  }

  /**
   Output:
  {
      type: 'entry_function_payload',
      function: '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::scripts_v2::swap',
      type_arguments: [
        '0x1::aptos_coin::AptosCoin',
        '0xae478ff7d83ed072dbc5e264250e67ef58f57c99d89b447efd8a0a2e8b2be76e::coin::T',
        '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::curves::Uncorrelated'
      ],
      arguments: [ '100000000', '4283115' ]
    }

  */
})()

Get EXACTLY 1 USDT and send SLIPPAGED APTOS amount

(async () => {
  // Get APTOS amount
  try {
    const amount = await sdk.Swap.calculateRates({
      fromToken: '0x1::aptos_coin::AptosCoin',
      toToken: '0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDT',
      amount: 1000000, // 1 layerzero USDT
      interactiveToken: 'to',
      curveType: 'uncorrelated',
    })
    console.log(amount) // '23211815' ('0.23211815' APTOS)

    // Generate TX payload for get EXACTLY 1 USDT
    // and minimum send 0.23327874 (with slippage +0.5%)
    const txPayload = sdk.Swap.createSwapTransactionPayload({
      fromToken: '0x1::aptos_coin::AptosCoin',
      toToken: '0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDT',
      fromAmount: convertValueToDecimal(0.23211815, 8), // 0.23211815 APTOS,
      toAmount: convertValueToDecimal(1, 6), // 1 layerzero USDT,
      interactiveToken: 'to',
      slippage: 0.005, // 0.5% (1 - 100%, 0 - 0%)
      stableSwapType: 'hign',
      curveType: 'uncorrelated',
    })
    console.log(txPayload);
  } catch (e) {
    console.log(e);
  }

  /**
   Output:
  {
      type: 'entry_function_payload',
      function: '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::scripts_v2::swap_into',
      type_arguments: [
        '0x1::aptos_coin::AptosCoin',
        '0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDT',
        '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::curves::Uncorrelated'
      ],
      arguments: [ '23327874', '1000000' ]
    }
  */
})()

Swap EXACTLY 1 APTOS to wormhole WETH with curve - 'stable', stableSwapType - 'normal' and 0.5% slippage

(async () => {
  // Get WETH amount
  try {
    const amount = await sdk.Swap.calculateRates({
      fromToken: '0x1::aptos_coin::AptosCoin',
      toToken: '0xcc8a89c8dce9693d354449f1f73e60e14e347417854f029db5bc8e7454008abb::coin::T', // wormhole WETH (whWETH)
      amount: 100000000, // 1 APTOS
      interactiveToken: 'from',
      curveType: 'stable',
    })
    console.log(amount) // '175257' ('0.00175257' whWETH)

    // Generate TX payload to swap 1 APTOS to
    // and minimum send 0.00174381 (with slippage -0.5%)
    const txPayload = sdk.Swap.createSwapTransactionPayload({
      fromToken: '0x1::aptos_coin::AptosCoin',
      toToken: '0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDT',
      fromAmount: convertValueToDecimal(1, 8), // 1 Aptos
      toAmount: convertValueToDecimal(0.00175257, 8), // 0.00175257 whWETH,
      interactiveToken: 'from',
      slippage: 0.005, // 0.5% (1 - 100%, 0 - 0%)
      stableSwapType: 'normal',
      curveType: 'stable',
    })
    console.log(txPayload);
  } catch (e) {
    console.log(e);
  }

  /**
   Output:
  {
      type: 'entry_function_payload',
      function: '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::scripts_v2::swap_unchecked',
      type_arguments: [
        '0x1::aptos_coin::AptosCoin',
        '0xcc8a89c8dce9693d354449f1f73e60e14e347417854f029db5bc8e7454008abb::coin::T',
        '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::curves::Stable'
      ],
      arguments: [ '100000000', '174381' ]
    }
  */
})()

Get EXACTLY 1 USDA and send SLIPPAGED APTOS amount with curve - 'stable', stableSwapType - 'high' and 0.5% slippage

(async () => {
  // Get APTOS amount
  try {
    const amount = await sdk.Swap.calculateRates({
      fromToken: '0x1::aptos_coin::AptosCoin',
      toToken: '0x1000000fa32d122c18a6a31c009ce5e71674f22d06a581bb0a15575e6addadcc::usda::USDA', // USDA
      amount: 1000000, // 1 USDA
      interactiveToken: 'to',
      curveType: 'stable',
    })
    console.log(amount) // '12356861' ('0.12356861' APTOS)

    // Generate TX payload to swap 1 APTOS to
    // and minimum send 0.12418645 (with slippage +0.5%)
    const txPayload = sdk.Swap.createSwapTransactionPayload({
      fromToken: '0x1::aptos_coin::AptosCoin',
      toToken: '0x1000000fa32d122c18a6a31c009ce5e71674f22d06a581bb0a15575e6addadcc::usda::USDA',
      fromAmount: convertValueToDecimal(0.12356861, 8), // 0.12356861 APTOS
      toAmount: convertValueToDecimal(1, 6), // 1 USDA,
      interactiveToken: 'to',
      slippage: 0.005, // 0.5% (1 - 100%, 0 - 0%)
      stableSwapType: 'high',
      curveType: 'stable',
    })
    console.log(txPayload);
  } catch (e) {
    console.log(e);
  }

  /**
   Output:
  {
      type: 'entry_function_payload',
      function: '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::scripts_v2::swap_into',
      type_arguments: [
        '0x1::aptos_coin::AptosCoin',
        '0x1000000fa32d122c18a6a31c009ce5e71674f22d06a581bb0a15575e6addadcc::usda::USDA',
        '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::curves::Stable'
      ],
      arguments: [ '12418645', '1000000' ]
    }
  */
})()

Check Pool Existence

(async() => {
  const output = await sdk.Liquidity.checkPoolExistence({
    fromToken: "0x1::aptos_coin::AptosCoin",
    toToken: "0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDC",
    curveType: 'uncorrelated',
  });

  console.log(output); // true
})

Creating Liquidity Pool for pair APTOS / lzUSDC

(async () => {
  //get USDC amount
  const { rate, receiveLp } = await sdk.Liquidity.calculateRateAndMinReceivedLP({
    fromToken: TokensMapping.APTOS,
    toToken: TokensMapping.USDC,
    amount: 100000000, // 1 APTOS
    curveType: 'uncorrelated',
    interactiveToken: 'from',
    slippage: 0.005,
  });
  console.log(rate) // '4472498' ('4.472498' USDC)
  console.log(receiveLp) // '19703137' ('19.703137' Minimum Received LP)

  const payload = await sdk.Liquidity.createAddLiquidityPayload({
    fromToken: TokensMapping.APTOS,
    toToken: TokensMapping.USDC,
    fromAmount: 100000000, // 1 APTOS
    toAmount: 4472498, // '4.472498' USDC)
    interactiveToken: 'from',
    slippage: 0.005,
    stableSwapType: 'normal',
    curveType: 'uncorrelated',
  })

  console.log(payload);
  /**
   * {
      type: 'entry_function_payload',
      function: '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::scripts_v2::add_liquidity',
      type_arguments: [
        "0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDC",
        "0x1::aptos_coin::AptosCoin",
        "0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::curves::Uncorrelated",
      ],
      arguments: ['100000000', '99500000', '4472498', '4450136'],
    }
  * */
})

Calculate Output Burn for x and y coin with slippage and without slippage

(async()=> {
  const output = await sdk.Liquidity.calculateOutputBurn({
    fromToken: "0x1::aptos_coin::AptosCoin",
    toToken: "0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDC",
    slippage: 0.005,
    curveType: 'uncorrelated',
    burnAmount: 100000,
  });

  console.log(output);
  /**
   * {
   *   x: '504061',
       y: '22430',
      withoutSlippage: {
        x: '506594',
        y: '22543'
      }
    }
  * */
})

Create Burn Liquidity payload

(async() => {
  const output = await sdk.Liquidity.createBurnLiquidityPayload({
    fromToken: "0x1::aptos_coin::AptosCoin",
    toToken: "0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDC",
    slippage: 0.005,
    curveType: 'uncorrelated',
    burnAmount: 100000,
  });

  console.log(output);

  /**
   *
   {
     type: 'entry_function_payload',
    function: '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::scripts_v2::remove_liquidity',
    type_arguments: [
      '0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDC',
      '0x1::aptos_coin::AptosCoin',
      '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12::curves::Uncorrelated'
    ],
    arguments: [ '100000', '22411', '504489' ]
  }
  * */
})

More examples

More examples you can find in the following directory: src/tests/.

Code examples to work with Aptos SDK can be found in the examples directory.

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Roadmap

Update to work with the Contract v3
Prepare transaction payload
Swap: unstable / stable (normal and high gas)
Liquidity: add / redeem LP
Pools: check pool / create pool
Examples with Aptos SDK
Staking: stake / harvest / unstake

See the open issues for a full list of proposed features (and known issues).

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Contributing

Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.

If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement". Don't forget to give the project a star! Thanks again!

Fork the Project
Create your Feature Branch (git checkout -b feature/AmazingFeature)
Commit your Changes (git commit -m 'Add some AmazingFeature')
Push to the Branch (git push origin feature/AmazingFeature)
Open a Pull Request

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License

Distributed under the GPL v3 License. See LICENSE for more information.

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Package last updated on 08 Dec 2022

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