@kanalabs/trade v3.0.1

INSTALLATION

npm i @kanalabs/trade

MODULE IMPORTS

import { BUY,
		EconiaTrade,
		RegisteredMarket,
		TakerEvents
} from '@kanalabs/trade';

INITIALISING THE SDK

const client = new AptosClient('https://fullnode.testnet.aptoslabs.com/v1');
const econia = new EconiaTrade(client);

TESTNET FAUCET

import { getPayloadForTestAptFaucet, getPayloadForTestUsdcFaucet } from '@kanalabs/trade';

const payload = getPayloadForTestAptFaucet()
const transaction = await client.generateTransaction(account.address(), payload);
const sign = await client.signTransaction(account,transaction)
const submit = await client.submitTransaction(sign)
await client.waitForTransaction(submit.hash)

const payload = getPayloadForTestUsdcFaucet()
const transaction = await client.generateTransaction(account.address(), payload);
const sign = await client.signTransaction(account,transaction)
const submit = await client.submitTransaction(sign)
await client.waitForTransaction(submit.hash)

EVENT SUBSCRIPTION

import { AptosAccount, AptosClient } from 'aptos';
import {
  ENVIRONMENT,
  EconiaMarkets,
  EconiaTrade,
  RegisteredMarket,
  TradeTable,
  eventId,
  subscribeEvents,
} from '@kanalabs/trade';
import { config } from 'dotenv';
config({ path: '../../.env' });

import { TradeEventEmitter, tradeEventEmitter } from '@kanalabs/trade';

const client = new AptosClient('https://fullnode.testnet.aptoslabs.com/v1');

tradeEventEmitter.on(eventId.orderBook, (data) => {
  console.log(data);
});

tradeEventEmitter.on(eventId.tradeHistory, (data) => {
  console.log(data);
});

const orderBook = async () => {
  const econia = new EconiaTrade(client);
  let registeredMarkets: RegisteredMarket[] = [];
  let marketData: EconiaMarkets;

  registeredMarkets = await econia.fetchRegisteredMarkets(ENVIRONMENT.TESTNET); //tested
  marketData = await econia.markets(registeredMarkets.filter((market) => market.marketId == 3)[0], ENVIRONMENT.TESTNET);
  // // Example usage
  const myObject = new TradeEventEmitter(marketData);

  await myObject.triggerToOrderBook();


  //To unsubscribe events
  setTimeout(() => {
    myObject.terminateOrderBookEvent();
  }, 20000); // Stop after 5 seconds
};
orderBook();

const tradeHistory = async () => {
  const econia = new EconiaTrade(client);
  let registeredMarkets: RegisteredMarket[] = [];
  let marketData: EconiaMarkets;

  registeredMarkets = await econia.fetchRegisteredMarkets(ENVIRONMENT.TESTNET); //tested
  marketData = await econia.markets(registeredMarkets.filter((market) => market.marketId == 3)[0], ENVIRONMENT.TESTNET);
  // // Example usage
  const myObject = new TradeEventEmitter(marketData);

  await myObject.triggerTradeHistory();

  //To unsubscribe events
  setTimeout(() => {
    myObject.terminateOrderHistoryEvent();
  }, 100000); // Stop after 5 seconds
};
tradeHistory();

GETTING ALL REGISTERED MARKETS

const registeredMarkets = await econia.fetchRegisteredMarkets();

Example Response

Returns an array of type RegisteredMarket[]

{
        baseNameGeneric: '',
        baseType: StructTag$1 {
          address: [HexString],
          module: 'aptos_coin',
          name: 'AptosCoin',
          typeParams: [],
          kind: 'StructTag'
        },
        lotSize: BigNumber { s: 1, e: 0, c: [Array] },
        marketId: 5,
        minSize: BigNumber { s: 1, e: 0, c: [Array] },
        quoteType: StructTag$1 {
          address: [HexString],
          module: 'coins',
          name: 'USDT',
          typeParams: [],
          kind: 'StructTag'
        },
        tickSize: BigNumber { s: 1, e: 0, c: [Array] },
        underwriterId: 0,
        isRecognized: false
},

Getting Available Markets

const availableMarkets = await econia.getAvailableMarkets(registeredMarkets);

Example Response

[
      {
        market: 'APT/USDT',
        marketId: 5,
        lotSize: 1e-8,
        tickSize: 0.000001,
        minSize: 1e-8,
        recognized: false
      },
      {
        market: 'EVGEN/DANI',
        marketId: 4,
        lotSize: 0.000001,
        tickSize: 0.000001,
        minSize: 0.000001,
        recognized: false
      },
      {
        market: 'eAPT/eUSDC',
        marketId: 3,
        lotSize: 0.001,
        tickSize: 0.000001,
        minSize: 0.5,
        recognized: true
      },
      {
        market: 'eAPT/eUSDC',
        marketId: 2,
        lotSize: 0.001,
        tickSize: 0.000001,
        minSize: 0.001,
        recognized: false
      },
      {
        market: 'eAPT/eUSDC',
        marketId: 1,
        lotSize: 0.001,
        tickSize: 0.001,
        minSize: 0.001,
        recognized: false
      }
    ]

GETTING ECONIA MARKET INSTANCE

By default Environment will be mainnet , Currently mainnet is not available please use Testnet.

const marketData = await econia.markets(registeredMarkets.filter((market) => market.marketId == 3)[0],ENVIRONMENT.TESTNET);

TRADE PAIR INFO

const tradePairInfo = await marketData.getTradePairInfo();

Example Response

 {
      baseCoinInfo: {
        decimals: 8,
        name: 'Example Aptos Coin',
        supply: { vec: [] },
        symbol: 'eAPT'
      },
      quoteCoinInfo: {
        decimals: 6,
        name: 'Example USD Coin',
        supply: { vec: [] },
        symbol: 'eUSDC'
      }
}

GETTING TRADE HISTORY

Please set the limited parameter to true if you require only the limited data to display only on the UI

const getAllTrades = await marketData.getAllTrades(true,{
      offset : 10,  //  starting point for data retrieval
      limit : 10,  // maximum number of records to return from the query
      order : 'desc'}
    ) as TradeTable[];

Example response (limited : true)

 [
      {
        maker_custodian_id: 0,
        maker_address: '0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515',
        market_id: 3,
        maker_order_id: 7.268018150302766e+21,
        maker_side: true,
        size_: 1.903,
        price_: 5.252,
        txn_version: 703432124
      },
      {
        maker_custodian_id: 0,
        maker_address: '0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515',
        market_id: 3,
        maker_order_id: 7.268018150302766e+21,
        maker_side: true,
        size_: 1.903,
        price_: 5.252,
        txn_version: 703432124
      },
    ]

Example response (limited : false)

[
      {
        txn_version: 661929648,
        event_idx: 1,
        emit_address: '0x4f34a70a0ee084147e5f808560d24bfff635c151faf6e16320dc28b4a429a6a5',
        time: '2023-09-04T17:10:08.303873+00:00',
        maker_address: '0xfbc3e92658956143d6e05c74e923292c77f0a4354cc0d06d7a9bff0185b7f24',
        maker_custodian_id: 0,
        maker_order_id: 36893628897792360000,
        maker_side: true,
        market_id: 3,
        price: 2000,
        sequence_number_for_trade: 0,
        size: 500,
        taker_address: '0x4f34a70a0ee084147e5f808560d24bfff635c151faf6e16320dc28b4a429a6a5',
        taker_custodian_id: 0,
        taker_order_id: 55340232221128655000,
        taker_quote_fees_paid: 500
      },
      {
        txn_version: 661929648,
        event_idx: 2,
        emit_address: '0x0fbc3e92658956143d6e05c74e923292c77f0a4354cc0d06d7a9bff0185b7f24',
        time: '2023-09-04T17:10:08.303873+00:00',
        maker_address: '0xfbc3e92658956143d6e05c74e923292c77f0a4354cc0d06d7a9bff0185b7f24',
        maker_custodian_id: 0,
        maker_order_id: 36893628897792360000,
        maker_side: true,
        market_id: 3,
        price: 2000,
        sequence_number_for_trade: 0,
        size: 500,
        taker_address: '0x4f34a70a0ee084147e5f808560d24bfff635c151faf6e16320dc28b4a429a6a5',
        taker_custodian_id: 0,
        taker_order_id: 55340232221128655000,
        taker_quote_fees_paid: 500
      }
]

GETTING ORDER BOOK DETAILS

const getOrderBook = await marketData.getOrderBook();

Example Response

{
  "asks": [
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "7268018150302766077060",
      "price": "5252",
      "remaining_size": "1888916",
      "side": true,
      "user": "0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "7304911497704106890377",
      "price": "5257",
      "remaining_size": "2010119",
      "side": true,
      "user": "0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "6806849829952183866508",
      "price": "5260",
      "remaining_size": "5000",
      "side": true,
      "user": "0x9ff26b9a0502fb488699a1919b7f43436e2a4f50ebe632dbd22989d225179635"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "7341804422892982637710",
      "price": "5262",
      "remaining_size": "2091647",
      "side": true,
      "user": "0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "7378698192489608647830",
      "price": "5270",
      "remaining_size": "1869147",
      "side": true,
      "user": "0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "7415592243595571106971",
      "price": "5275",
      "remaining_size": "1889656",
      "side": true,
      "user": "0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "5423343179990447429142",
      "price": "5654",
      "remaining_size": "1000",
      "side": true,
      "user": "0xf6b26fc47156cda04c679dd71c866d79be8f00cd1d26e353a6608f3382382446"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "5386449973283645298229",
      "price": "5685",
      "remaining_size": "1000",
      "side": true,
      "user": "0x2517feee72e6d751024c2b59c3aac3a587053893abacddbcc02ef09247d524ed"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "848550368141012651552",
      "price": "20000",
      "remaining_size": "5000",
      "side": true,
      "user": "0x9538c839fe490ccfaf32ad9f7491b5e84e610ff6edc110ff883f06ebde82463d"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "866997112223312137760",
      "price": "20000",
      "remaining_size": "10000",
      "side": true,
      "user": "0x9538c839fe490ccfaf32ad9f7491b5e84e610ff6edc110ff883f06ebde82463d"
    }
  ],
  "bids": [
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "7249570702494370108524",
      "price": "5228",
      "remaining_size": "1573323",
      "side": false,
      "user": "0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "7286464612811304604775",
      "price": "5223",
      "remaining_size": "1955227",
      "side": false,
      "user": "0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "7323357960229825287266",
      "price": "5218",
      "remaining_size": "1787314",
      "side": false,
      "user": "0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "7360251026173369259098",
      "price": "5210",
      "remaining_size": "2067347",
      "side": false,
      "user": "0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "7397145499551926326357",
      "price": "5205",
      "remaining_size": "1935220",
      "side": false,
      "user": "0x7676c6ad191680ee72a03f724aa750a66a9570ca90c7b6861c94a7c2c4ec5515"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "5441789923999732470757",
      "price": "5093",
      "remaining_size": "1000",
      "side": false,
      "user": "0xf6b26fc47156cda04c679dd71c866d79be8f00cd1d26e353a6608f3382382446"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "4703920583280995341279",
      "price": "5087",
      "remaining_size": "1000",
      "side": false,
      "user": "0xf6b26fc47156cda04c679dd71c866d79be8f00cd1d26e353a6608f3382382446"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "4722367327363294827487",
      "price": "5087",
      "remaining_size": "1000",
      "side": false,
      "user": "0xf6b26fc47156cda04c679dd71c866d79be8f00cd1d26e353a6608f3382382446"
    },
    {
      "custodian_id": "0",
      "market_id": "3",
      "order_id": "5109749093665863634848",
      "price": "4000",
      "remaining_size": "10000",
      "side": false,
      "user": "0x8115e523937721388acbd77027da45b1c88a6313f99615c4da4c6a32ab161b1a"
    }
  ]
}

GETTING TRADE VOLUME

const tradeVolume = await marketData.getTradeVolume();

Example Response

tradeVolume: {
      priceChange: '0',
      price: '5.252',
      totalTrades: 242,
      baseVolume: '43434.346',
      quoteVolume: '224932.85527'
}

GETTING MARKET PRICE

If limited is set to true then only the required parameter to display on the ui is returned

const marketPrice_ = await marketData.marketPrice(true);

Example Response (limited : true)

marketPrice_: {
      bestAskPrice: '5.252',
      bestBidPrice: '5.228',
      maxBuyQuote: '51650008019',
      maxSellSize: '9331431'
}

Example Response (limited : false)

marketPrice_: {
      bestAskPrice: BigNumber { s: 1, e: 0, c: [ 5, 25200000000000 ] },
      bestBidPrice: BigNumber { s: 1, e: 0, c: [ 5, 22800000000000 ] },
      maxBuyQuote: BigNumber { s: 1, e: 10, c: [ 51650008019 ] },
      maxSellSize: BigNumber { s: 1, e: 6, c: [ 9331431 ] },
      getExecutionPrice: [Function: getExecutionPrice],
      getExecutionPriceQuote: [Function: getExecutionPriceQuote]
}

DEPOSIT BASE COIN

const payload = marketData.depositBaseCoinPayload('100000')
const transaction = await client.generateTransaction(account.address(), payload);
const sign = await client.signTransaction(account,transaction)
const submit = await client.submitTransaction(sign)
await client.waitForTransaction(submit.hash)

DEPOSIT QUOTE COIN

const payload = marketData.depositQuoteCoinPayload('100000')
const transaction = await client.generateTransaction(account.address(), payload);
const sign = await client.signTransaction(account,transaction)
const submit = await client.submitTransaction(sign)
await client.waitForTransaction(submit.hash)

GET USER MARKET ACCOUNT INFO

const marketInfo = await marketData.getUserMarketAccount(account.address().toString());

Example Response

{
  "asks": [],
  "base_available": "100000",
  "base_ceiling": "100000",
  "base_total": "100000",
  "bids": [],
  "custodian_id": "0",
  "market_id": "3",
  "quote_available": "100000",
  "quote_ceiling": "100000",
  "quote_total": "100000"
}

PLACE MARKET BUY ORDER

const estimatedPrice = await marketData.getEstimatedPrice(1, BUY);
const payload = await marketData.placeMarketOrder(BUY);
const transaction = await client.generateTransaction(account.address(), payload);
const simulate = await client.simulateTransaction(account, transaction);
const status = simulate[0].success;
const sign = await client.signTransaction(account, transaction);
const submit = await client.submitTransaction(sign);
await client.waitForTransaction(submit.hash);

PLACE MARKET SELL ORDER

const estimatedPrice = await marketData.getEstimatedPrice(1, SELL);
const payload = await marketData.placeMarketOrder(SELL);
const transaction = await client.generateTransaction(account.address(), payload);
const simulate = await client.simulateTransaction(account, transaction);
const status = simulate[0].success;
const sign = await client.signTransaction(account, transaction);
const submit = await client.submitTransaction(sign);
await client.waitForTransaction(submit.hash);

PLACE LIMIT BUY ORDER

const buyOrderPayload = await marketData.placeLimitOrder(BUY, 1, 5);
const transaction = await client.generateTransaction(account.address(), buyOrderPayload);
const simulate = await client.simulateTransaction(account, transaction);
const status = simulate[0].success;
const sign = await client.signTransaction(account, transaction);
const submit = await client.submitTransaction(sign);
await client.waitForTransaction(submit.hash);
const openOrders = await marketData.getOpenOrders(account.address().toString());

PLACE LIMIT SELL ORDER

const buyOrderPayload = await marketData.placeLimitOrder(SELL, 1, 5.6);
const transaction = await client.generateTransaction(account.address(), buyOrderPayload);
const simulate = await client.simulateTransaction(account, transaction);
const status = simulate[0].success;
const sign = await client.signTransaction(account, transaction);
const submit = await client.submitTransaction(sign);
await client.waitForTransaction(submit.hash);
const openOrders = await marketData.getOpenOrders(account.address().toString());

GET USER ORDER HISTORY

Order type open returns current open orders, canceled returns canceled order , all returns all orders

const openOrders = await marketData.getOpenOrders(account.address().toString(),'open');

Example Response

{
      asks: [],
      asksStackTop: 1,
      baseAvailable: BigNumber { s: 1, e: 8, c: [ 600100000 ] },
      baseCeiling: BigNumber { s: 1, e: 8, c: [ 800100000 ] },
      baseNameGeneric: '',
      baseTotal: BigNumber { s: 1, e: 8, c: [ 600100000 ] },
      baseType: {
        account_address: '0xc0de11113b427d35ece1d8991865a941c0578b0f349acabbe9753863c24109ff',
        module_name: '0x6578616d706c655f617074',
        struct_name: '0x4578616d706c65415054'
      },
      bids: [
        {
          marketOrderId: [U128],
          price: [BigNumber],
          counter: [BigNumber],
          size: [BigNumber]
        },
        {
          marketOrderId: [U128],
          price: [BigNumber],
          counter: [BigNumber],
          size: [BigNumber]
        }
      ],
      bidsStackTop: 2,
      lotSize: BigNumber { s: 1, e: 5, c: [ 100000 ] },
      minSize: BigNumber { s: 1, e: 2, c: [ 500 ] },
      quoteAvailable: BigNumber { s: 1, e: 7, c: [ 30801707 ] },
      quoteCeiling: BigNumber { s: 1, e: 7, c: [ 40901707 ] },
      quoteTotal: BigNumber { s: 1, e: 7, c: [ 40901707 ] },
      quoteType: {
        account_address: '0xc0de11113b427d35ece1d8991865a941c0578b0f349acabbe9753863c24109ff',
        module_name: '0x6578616d706c655f75736463',
        struct_name: '0x4578616d706c6555534443'
      },
      tickSize: BigNumber { s: 1, e: 0, c: [ 1 ] },
      underwriterId: 0
}

CANCELING AN ORDER

const openOrders = await marketData.getOpenOrders(account.address().toString(),'open');
const cancel = openOrders.bids[0];
const closeOrder = marketData.cancelOrder(BUY, cancel.marketOrderId.toBigInt().toString());
const transaction = await client.generateTransaction(account.address(), closeOrder);
const sign = await client.signTransaction(account, transaction);
const submit = await client.submitTransaction(sign);

GETTING ORDER HISTORY

//LIMIT ORDER HISTORY
const orderHistoryLimit = await marketData.getOrderHistory(account.address().toString(),'limit')
//MARKET ORDER HISTORY
const orderHistoryMarket = await marketData.getOrderHistory(account.address().toString(),'market')

Example Response

// LIMIT ORDER
   {
        market_id: 3,
        order_id: 1.2728254818535122e+21,
        user: '0x9538c839fe490ccfaf32ad9f7491b5e84e610ff6edc110ff883f06ebde82463d',
        custodian_id: 0,
        self_matching_behavior: 3,
        restriction: 0,
        created_at: '2023-09-16T07:45:30.393582+00:00',
        last_updated_at: null,
        integrator: '0xd718181a753f5b759518d9b896018dd7eb3d77d80bf90ba77fffaf678f781929',
        total_filled: 0,
        remaining_size: 10000,
        order_status: 'open',
        order_type: 'limit',
        price: 20000,
        last_increase_stamp: 1.251484360051991e+28,
        side: 'ask'
    },

    //MARKET ORDER

    {
        market_id: 3,
        order_id: 1.0883579003488635e+21,
        user: '0x9538c839fe490ccfaf32ad9f7491b5e84e610ff6edc110ff883f06ebde82463d',
        custodian_id: 0,
        direction: 'buy',
        self_matching_behavior: 3,
        created_at: '2023-09-15T06:46:42.558258+00:00',
        last_updated_at: '2023-09-15T06:46:42.558258+00:00',
        integrator: '0xd718181a753f5b759518d9b896018dd7eb3d77d80bf90ba77fffaf678f781929',
        total_filled: 0,
        remaining_size: 15007,
        order_status: 'cancelled',
        order_type: 'market'
    },

EDIT ORDER SIZE

    const openOrders = await marketData.getOpenOrders(account.address().toString(), 'open');
    console.log('🚀 ~ file: limitOrder.test.ts:54 ~ it.only ~ openOrders:', openOrders);
    const order = openOrders.bids[0];
    const editOrderSize = marketData.changeOrderSize(BUY,order.marketOrderId.toBigInt().toString(),3)
    const transaction = await client.generateTransaction(account.address(), editOrderSize);
    const sign = await client.signTransaction(account, transaction);
    const submit = await client.submitTransaction(sign);
    await client.waitForTransaction(submit.hash)
    console.log('🚀 ~ file: limitOrder.test.ts:50 ~ it.only ~ submit:', submit);

CANCEL ALL ORDERS

    const editOrderSize = marketData.cancelAllOrders(BUY,)
    const transaction = await client.generateTransaction(account.address(), editOrderSize);
    const sign = await client.signTransaction(account, transaction);
    const submit = await client.submitTransaction(sign);
    await client.waitForTransaction(submit.hash)
    console.log('🚀 ~ file: limitOrder.test.ts:50 ~ it.only ~ submit:', submit);
    const openOrders = await marketData.getOpenOrders(account.address().toString(), 'open');
    console.log('🚀 ~ file: limitOrder.test.ts:54 ~ it.only ~ openOrders:', openOrders);
    const order = openOrders.bids[0];

CANDLE STICK RESOLUTIONS

  const resolutions = await marketData.getCandleStickResolutions()

Example Response

    [
      { resolution: 60 }, // 60 seconds
      { resolution: 300 },
      { resolution: 900 },
      { resolution: 1800 },
      { resolution: 3600 },
      { resolution: 14400 },
      { resolution: 43200 },
      { resolution: 86400 } // 24 hours
    ]

CANDLE STICK DATA

  const resolutions = await marketData.getCandleStickData(900,3)

Example Response

  [
      {
        market_id: 3,
        resolution: 900,
        start_time: '2023-11-06T10:45:00+00:00',
        open: 6589,
        high: 6589,
        low: 6589,
        close: 6589,
        volume: 42828500
      },
      {
        market_id: 3,
        resolution: 900,
        start_time: '2023-11-06T10:30:00+00:00',
        open: 6589,
        high: 6589,
        low: 6589,
        close: 6589,
        volume: 167505558
      },
      {
        market_id: 3,
        resolution: 900,
        start_time: '2023-11-06T10:15:00+00:00',
        open: 6589,
        high: 6589,
        low: 6589,
        close: 6589,
        volume: 42828500
      },
  ]