Оповещения в Discord о новых пулах Uniswap

export const onPoolCreatedEventEmitted: ActionFn = async (context: Context, event: Event) => {
  try {
    const txEvent = event as TransactionEvent;

    const eventLog = await getPoolCreatedEvent(txEvent);

    const tokensData = await getTokensData(eventLog.token0, eventLog.token1);
    console.log('Received Tokens Data: ', tokensData);

    await notifyDiscord(`${tokensData.token0.name} ↔️ ${tokensData.token1.name}`, context);
  } catch (error) {
    console.error(error);
  }
};

const getPoolCreatedEvent = async (txEvent: TransactionEvent) => {
  const ifc = new ethers.utils.Interface(UniswapV3FactoryAbi);
  const poolCreatedTopic = ifc.getEventTopic('PoolCreated');

  const poolCreatedEventLog = txEvent.logs.find(log => {
    return log.topics.find(topic => topic == poolCreatedTopic) !== undefined;
  });

  if (poolCreatedEventLog == undefined) {
    throw Error('PoolCreatedEvent missing');
  }
  return ifc.decodeEventLog(
    'PoolCreated',
    poolCreatedEventLog.data,
    poolCreatedEventLog.topics,
  ) as unknown as UniswapPool;
};

const getTokensData = async (token0: string, token1: string) => {
  const tokenFields = `id, name, symbol, totalValueLocked, totalSupply, derivedETH`;
  const theGraphQuery = `
{
	token0: token(id:"${token0.toLowerCase()}"){${tokenFields}},
	token1: token(id:"${token1.toLowerCase()}"){${tokenFields}}
}`;

  const UNISWAP_THE_GRAPH = 'https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v3';
  const resp = await axios.post(UNISWAP_THE_GRAPH, {
    query: theGraphQuery,
  });

  return resp.data.data as unknown as {
    token0: UniwswapToken;
    token1: UniwswapToken;
  };
};

const notifyDiscord = async (text: string, context: Context) => {
  console.log('Sending to Discord:', `🐥 ${text}`);
  const webhookLink = await context.secrets.get('discord.uniswapChannelWebhook');
  await axios.post(
    webhookLink,
    {
      content: `🐥 ${text}`,
    },
    {
      headers: {
        Accept: 'application/json',
        'Content-Type': 'application/json',
      },
    },
  );
};

type UniswapPool = {
  token0: string;
  token1: string;
  fee: number;
  tickSpacing: number;
  pool: number;
};

type UniwswapToken = {
  id: string;
  name: string;
  symbol: string;
  tokenValueLocked: number;
  totalSupply: number;
  derivedEth: number;
};

account_id: ''
actions:
  YOUR_USERNAME/YOUR_PROJECT_SLUG:
    runtime: v1
    sources: actions
    specs:
      uniswapNewPool:
        description: Runs when a new swap is made on Uniswap
        function: uniswapActions:onPoolCreatedEventEmitted
        trigger:
          type: transaction
          transaction:
            status:
              - mined
            filters:
              - network: 1
                eventEmitted:
                  contract:
                    address: 0xd849b2af570ffa3033973ea11be6e01b7ba661d9
                  name: PoolCreated
project_slug: ''

tenderly actions deploy