Swap

toJSONString

You can use this function to convert market object into string.

const sdk = await SDK.initialize(endpoint);

const res = await sdk.models.getAllMarkets();

res.forEach((market) => console.log(market.toJSONString()));

getSpotPrice

You can use this function to get spot price in the specified block.

const price = await pool.getSpotPrice(AssetIn, AssetOut, blockHash);

Arguments

Name	Type	Introduction
inAsset	string/Asset
outAsset	string/Asset
blockHash	any	not necessarily. The unique identifier for the block to fetch asset spot prices.

Code snippet

assetSpotPricesInZtg

You can use this function to fetch spot prices of all assets in this market. Can be used to find prices at a particular block using unique identifier.

const res = market.assetSpotPricesInZtg(blockHash);

Arguments

Name	Type	Introduction
blockHash	any	not necessarily. The unique identifier for the block to fetch asset spot prices.

Code snippet

fetchPoolSpotPrices

You can use this function to fetch spot prices of specified blocks.

const prices = await pool.fetchPoolSpotPrices(
  assetIn,
  assetOut,
  blocksAsNumArray
);

Arguments

Name	Type	Introduction
inAsset	string/Asset
outAsset	string/Asset
blockNumbers	number[]	The block numbers you want to check

Code snippet

sharesId

You can use this function to fetch all shares' ids.

const sharesId = await pool.sharesId();

Code snippet

accountId

You can use this function to fetch account id in this pool.

const account = await pool.accountId();

Code snippet

joinPool

You can use this function to join pool.

const res = await pool.joinPool(signer, poolAmountOut, maxAmountsIn, false);

Arguments

Name	Type	Introduction
signer	KeyringPairOrExtSigner	The actual signer provider to sign the transaction.
poolAmountOut	string	The amount of LP shares for this pool that should be minted to the provider.
maxAmountsIn	string[]	List of asset upper bounds. The values are maximum limit for the assets.
callbackOrPaymentInfo	boolean	"true" to get txn fee estimation otherwise callback to capture transaction result.

Code snippet

poolJoinWithExactAssetAmount

You can use this function to join exact asset amount to the pool.

const res = await pool.poolJoinWithExactAssetAmount(
  signer,
  JSON.parse(assetIn),
  assetAmount,
  minPoolAmount,
  false
);

Arguments

Name	Type	Introduction
signer	KeyringPairOrExtSigner	The actual signer provider to sign the transaction.
assetIn	any	Asset entering the pool.
assetAmount	any	Asset amount that is entering the pool.
minPoolAmount	any	The calculated amount for the pool must be equal or greater than the given value.
callbackOrPaymentInfo	any	"true" to get txn fee estimation otherwise callback to capture transaction result.

Code snippet

joinPoolMultifunc

You can use this function to join pool. Three substrate join_pool_xxx functions in one

const res = await pool.joinPoolMultifunc(
  signer,
  {
    bounds: trimmedBounds as any,
  },
  false
);

Arguments

Name	Type	Introduction
signer	KeyringPairOrExtSigner	The actual signer provider to sign the transaction.
opts	poolJoinOpts	To be provided with asset, bounds.assetAmount, bounds.poolMin for MinPool and with asset, bounds.poolAmount, bounds.AssetMin for MaxAsset and with bounds.poolAmount, bounds.AssetMin for sdk.models.swaps.joinPool.
callbackOrPaymentInfo	boolean	"true" to get txn fee estimation otherwise callback to capture transaction result.

Code snippet

exitPool

You can use this function to retrieve a given set of assets from pool to the signer.

const res = await pool.exitPool(signer, poolAmountOut, maxAmountsIn, false);

Arguments

Name	Type	Introduction
signer	KeyringPairOrExtSigner	The actual signer provider to sign the transaction.
poolAmountIn	string	The amount of LP shares of this pool being burned based on the retrieved assets.
minPoolAmount	string[]	List of asset lower bounds. The values are minimum limit for the assets.
callbackOrPaymentInfo	boolean	"true" to get txn fee estimation otherwise callback to capture transaction result.

Code snippet

swapExactAmountIn

You can use this function to swap a given assetAmountIn of the assetIn/assetOut pair to pool.

const res = await pool.swapExactAmountIn({
  signer,
  assetIn,
  assetAmountIn,
  assetOut,
  minAmountOut,
  maxPrice,
  callbackOrPaymentInfo: false,
});

Object Arguments

Name	Type	Description
signer	KeyringPairOrExtSigner	The actual signer provider to sign the transaction
assetIn	string	Asset entering the pool
assetAmountIn	string	Amount that will be transferred from the provider to the pool
assetOut	string	Asset leaving the pool
minAmountOut	string	(optional) Minimum asset amount that can leave the pool
maxPrice	string	(optional) Market price must be equal or less than the provided value
callbackOrPaymentInfo	boolean	true to get txn fee estimation otherwise callback to capture transaction result

Code snippet

swapExactAmountOut

You can use this function to swap a given assetAmountOut of the assetIn/assetOut pair to pool.

const res = await pool.swapExactAmountOut({
  signer,
  assetIn,
  maxAmountIn,
  assetOut,
  assetAmountOut,
  maxPrice,
  callbackOrPaymentInfo: false,
});

Object Arguments

Name	Type	Introduction
signer	KeyringPairOrExtSigner	The actual signer provider to sign the transaction
assetIn	string	Asset entering the pool
maxAmountIn	string	(optional) Maximum asset amount that can enter the pool
assetOut	string	Asset leaving the pool
assetAmountOut	string	Amount that will be transferred from the pool to the provider
maxPrice	string	(optional) Market price must be equal or less than the provided value
callbackOrPaymentInfo	boolean	true to get txn fee estimation otherwise callback to capture transaction result

Code snippet