LiquidSwap SDK

Table of Contents

Installation
Usage
Roadmap
Contributing
License

The typescript SDK for Liquidswap.

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
      },
      resourceAccount: '0x05a97986a9d031c4567e15b797be516910cfcb4156312482efc6a19c0a30c948',
      moduleAccount: '0x190d44266241744264b964a37b8f09863167a12d3e70cda39376cfb4e3561e12',
      moduleAccountV05: '0x163df34fccbf003ce219d3f1d9e70d140b60622cb9dd47599c25fb2f797ba6e',
      resourceAccountV05: '0x61d2c22a6cb7831bee0f48363b0eec92369357aece0d1142062f7d5d85c7bef8'
    }
  */
})

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.
      version: 0
    })
    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',
      version: 0
    })
    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',
      version: 0
    })
    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',
      version: 0
    })
    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',
      version: 0
    })
    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',
      version: 0
    })
    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',
      version: 0
    })
    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',
      version: 0
    })
    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',
    version: 0
  });

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

Pools v.0.5: Swap 0.8 LayerZero USDT to LayerZero USDC

(async () => {
  // Get USDT amount
  try {
    const output = await sdk.Swap.calculateRates({
      fromToken: '0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDC', //layerzero USDC
      toToken: '0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDT', // layerzero USDT
      amount: 800000, // 0.8 USDC, or you can use convertValueToDecimal(0.8, 6)
      curveType: 'stable', // can be 'uncorrelated' or 'stable'
      interactiveToken: 'from', // which token is 'base' to calculate other token rate.
      version: 0.5 // optional, version could be only 0 or 0.5. If not provided version is 0
    })
    console.log(output) // '601018' (0.601018 USDT)

    // Generate TX payload for swap 0.8 USDC to maximum 0.601018 USDT
    // and minimum 0.598013 USDT (with slippage -0.5%)
    const txPayload = sdk.Swap.createSwapTransactionPayload({
      fromToken: '0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDC',
      toToken: '0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDT', // layerzero USDT
      fromAmount: 800000, // 0.8 USDT, or you can use convertValueToDecimal(0.8, 6)
      toAmount: 601018, // 0.601018 USDC, or you can use convertValueToDecimal(0.601018, 6)
      interactiveToken: 'from',
      slippage: 0.005, // 0.5% (1 - 100%, 0 - 0%)
      stableSwapType: 'high',
      curveType: 'stable',
      version: 0.5,
    })
    console.log(txPayload);
  } catch(e) {
    console.log(e)
  }

  /**
   Output:
   {
      "arguments": [
        "800000",
        "598013"
      ],
      "function": "0x163df34fccbf003ce219d3f1d9e70d140b60622cb9dd47599c25fb2f797ba6e::scripts::swap",
      "type": "entry_function_payload",
      "type_arguments": [
        "0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDC",
        "0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDT",
        "0x163df34fccbf003ce219d3f1d9e70d140b60622cb9dd47599c25fb2f797ba6e::curves::Stable"
      ]
    }
  */
})()

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,
    version: 0
  });
  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',
    version: 0
  })

  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,
    version: 0
  });

  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,
    version: 0
  });

  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.

(back to top)

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
Concentrated Liquidity: swap, add, burn

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

(back to top)

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

(back to top)

License

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

(back to top)

LiquidSwap SDK

Installation

Usage

More examples

Roadmap

Contributing

License