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johnnieskywalker/mempool.js

Last active February 14, 2023 12:39
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mempool.js
var blockSocket = new WebSocket("wss://api.blocknative.com/v0");
var init = JSON.stringify({"timeStamp":"new Date().toISOString()","dappId":"1b0ab1af-f282-4776-8bd0-58dd0fb2efa4","version":"2.1.5","blockchain":{"system":"ethereum","network":"main"},"categoryCode":"initialize","eventCode":"checkDappId","connectionId":"8e34210d2420c7d988d12554366e2ea1e3502aa5743c443d9db82e94c0bb83fb"});
var config = JSON.stringify({"timeStamp":"new Date().toISOString()","dappId":"1b0ab1af-f282-4776-8bd0-58dd0fb2efa4","version":"2.1.5","blockchain":{"system":"ethereum","network":"main"},"categoryCode":"configs","eventCode":"put","config":{"filters":[{"status":"pending"}],"scope":"global"}});
var uniswapAddress = JSON.stringify({"timeStamp":"new Date().toISOString()","dappId":"1b0ab1af-f282-4776-8bd0-58dd0fb2efa4","version":"2.1.5","blockchain":{"system":"ethereum","network":"main"},"eventCode":"watch","categoryCode":"accountAddress","account":{"address":"0x7a250d5630b4cf539739df2c5dacb4c659f2488d"}});
var transactionStatusMap = {};
blockSocket.onmessage = (event) => {
if (event.eventCode == "txPool") {
transactionStatusMap[event.transaction.hash] = event.transaction.status;
}
console.log(event);
}
blockSocket.onopen = (event) => {
blockSocket.send(init)
blockSocket.send(config);
blockSocket.send(uniswapAddress);
};
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johnnieskywalker commented Oct 8, 2020

Maybe one day will make it more advanced and useable from node environment. From browser one don't need to add all the dependencies etc. Could be useful if it ws parametrized cli tool that could show you some transactions in your terminal.

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