@pontem/liquidswap-sdk
Advanced tools
The typescript SDK for Liquidswap.
For NPM:
npm i @pontem/liquidswap-sdk
For Yarn:
yarn add @pontem/liquidswap-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
},
}
*/
})
// 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)
(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' ]
}
*/
})()
(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' ]
}
*/
})()
(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' ]
}
*/
})()
(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' ]
}
*/
})()
(async() => {
const output = await sdk.Liquidity.checkPoolExistence({
fromToken: "0x1::aptos_coin::AptosCoin",
toToken: "0xf22bede237a07e121b56d91a491eb7bcdfd1f5907926a9e58338f964a01b17fa::asset::USDC",
curveType: 'uncorrelated',
});
console.log(output); // true
})
(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'],
}
* */
})
(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'
}
}
* */
})
(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' ]
}
* */
})
Additional examples you can find in: src/main.test.ts.
Examples working with Aptos SDK can be found in the examples directory.
See the open issues for a full list of proposed features (and known issues).
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!
git checkout -b feature/AmazingFeature)git commit -m 'Add some AmazingFeature')git push origin feature/AmazingFeature)Distributed under the GPL v3 License. See LICENSE for more information.
FAQs
SDK to use LiquidSwap functions
The npm package @pontem/liquidswap-sdk receives a total of 86 weekly downloads. As such, @pontem/liquidswap-sdk popularity was classified as not popular.
We found that @pontem/liquidswap-sdk demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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