Comment on page
Provide liquidity
This section describes how to provide liquidity for a pool
Provide liquidity for a liquidity pool of 2 Jettons.
import TonWeb from 'tonweb';
import { Router, ROUTER_REVISION, ROUTER_REVISION_ADDRESS } from '@ston-fi/sdk';
/**
* This example shows how to provide liquidity to the pool
* As a result, you will get LP tokens that can be used to refund your tokens from the pool.
*/
(async () => {
const WALLET_ADDRESS = ''; // ! replace with your address
const JETTON0 = 'EQA2kCVNwVsil2EM2mB0SkXytxCqQjS4mttjDpnXmwG9T6bO'; // STON
const JETTON1 = 'EQBynBO23ywHy_CgarY9NK9FTz0yDsG82PtcbSTQgGoXwiuA'; // jUSDT
const provider = new TonWeb.HttpProvider();
const router = new Router(provider, {
revision: ROUTER_REVISION.V1,
address: ROUTER_REVISION_ADDRESS.V1,
});
// transaction to provide 0.5 JETTON0 to JETTON0/JETTON1 pool
const jetton0ProvisionTxParams =
await router.buildProvideLiquidityJettonTxParams({
// address of the wallet that holds jetton you want to provide
userWalletAddress: WALLET_ADDRESS,
// address of the jetton you want to provide
sendTokenAddress: JETTON0,
// amount of the jetton you want to provide
sendAmount: new TonWeb.utils.BN('500000000'),
// address of the second jetton you want to provide
otherTokenAddress: JETTON1,
// minimal amount of the LP tokens you want to receive as a result of the provision
minLpOut: new TonWeb.utils.BN(1),
// query id to identify your transaction in the blockchain (optional)
queryId: 12345,
});
// to execute the transaction you need to send transaction to the blockchain
// (replace with your wallet implementation, logging is used for demonstration purposes)
console.log({
to: jetton0ProvisionTxParams.to,
amount: jetton0ProvisionTxParams.gasAmount,
payload: jetton0ProvisionTxParams.payload,
});
// transaction to provide 0.2 JETTON1 to to JETTON0/JETTON1 pool
const jetton1ProvisionTxParams =
await router.buildProvideLiquidityJettonTxParams({
// address of the wallet that holds jetton you want to provide
userWalletAddress: WALLET_ADDRESS,
// address of the jetton you want to provide
sendTokenAddress: JETTON1,
// amount of the jetton you want to provide
sendAmount: new TonWeb.utils.BN('200000000'),
// address of the second jetton you want to provide
otherTokenAddress: JETTON0,
// minimal amount of the LP tokens you want to receive as a result of the provision
minLpOut: new TonWeb.utils.BN(1),
// query id to identify your transaction in the blockchain (optional)
queryId: 12345,
});
// to execute the transaction you need to send transaction to the blockchain
// (replace with your wallet implementation, logging is used for demonstration purposes)
console.log({
to: jetton1ProvisionTxParams.to,
amount: jetton1ProvisionTxParams.gasAmount,
payload: jetton1ProvisionTxParams.payload,
});
// after execution of both transactions liquidity provision process will be completed
// and you will receive pool LP tokens
})();
Provide liquidity for a liquidity pool with proxy ton.
import TonWeb from 'tonweb';
import { Router, ROUTER_REVISION, ROUTER_REVISION_ADDRESS } from '@ston-fi/sdk';
/**
* This example shows how to provide liquidity to the pool where one of the tokens is TON
* As a result, you will get LP tokens that can be used to refund your tokens from the pool.
*/
(async () => {
const WALLET_ADDRESS = ''; // ! replace with your address
const JETTON0 = 'EQA2kCVNwVsil2EM2mB0SkXytxCqQjS4mttjDpnXmwG9T6bO'; // STON
const PROXY_TON = 'EQCM3B12QK1e4yZSf8GtBRT0aLMNyEsBc_DhVfRRtOEffLez'; // ProxyTON
const provider = new TonWeb.HttpProvider();
const router = new Router(provider, {
revision: ROUTER_REVISION.V1,
address: ROUTER_REVISION_ADDRESS.V1,
});
// Because TON is not a jetton, to be able to swap TON to jetton
// you need to use special SDK method to build transaction to swap TON to jetton
// using proxy jetton contract.
// transaction to provide 1.0 TON to STON/TON pool
const tonProvisionTxParams =
await router.buildProvideLiquidityProxyTonTxParams({
// address of the wallet that holds jetton you want to provide
userWalletAddress: WALLET_ADDRESS,
proxyTonAddress: PROXY_TON,
// amount of TON you want to provide
sendAmount: new TonWeb.utils.BN('1000000000'),
// address of the second jetton you want to provide
otherTokenAddress: JETTON0,
// minimal amount of the LP tokens you want to receive as a result of the provision
minLpOut: new TonWeb.utils.BN(1),
// query id to identify your transaction in the blockchain (optional)
queryId: 12345,
});
// to execute the transaction you need to send transaction to the blockchain
// (replace with your wallet implementation, logging is used for demonstration purposes)
console.log({
to: tonProvisionTxParams.to,
amount: tonProvisionTxParams.gasAmount,
payload: tonProvisionTxParams.payload,
});
// transaction to provide 0.5 STON to STON/TON pool
const jettonProvisionTxParams =
await router.buildProvideLiquidityJettonTxParams({
// address of the wallet that holds jetton you want to provide
userWalletAddress: WALLET_ADDRESS,
// address of the jetton you want to provide
sendTokenAddress: JETTON0,
// amount of the jetton you want to provide
sendAmount: new TonWeb.utils.BN('500000000'),
// address of the second jetton you want to provide
otherTokenAddress: PROXY_TON,
// minimal amount of the LP tokens you want to receive as a result of the provision
minLpOut: new TonWeb.utils.BN(1),
// query id to identify your transaction in the blockchain (optional)
queryId: 12345,
});
// to execute the transaction you need to send transaction to the blockchain
// (replace with your wallet implementation, logging is used for demonstration purposes)
console.log({
to: jettonProvisionTxParams.to,
amount: jettonProvisionTxParams.gasAmount,
payload: jettonProvisionTxParams.payload,
});
// after execution of both transactions liquidity provision process will be completed
// and you will receive pool LP tokens
})();
Last modified 3mo ago