utils: add GetTopAddr to analyse large traffic

cmd/jsutils/getchainstatus.js

@@ -0,0 +1,164 @@
+import { ethers } from "ethers";
+import program from "commander";
+
+// Global Options:
+program.option("--rpc <rpc>", "Rpc");
+// GetTxCount Options:
+program.option("--startNum <startNum>", "start num")
+program.option("--endNum <endNum>", "end num")
+program.option("--miner <miner>", "miner", "")
+// GetVersion Options:
+program.option("--num <Num>", "validator num", 21)
+// GetTopAddr Options:
+program.option("--topNum <Num>", "top num of address to be displayed", 20)
+
+program.parse(process.argv);
+
+const provider = new ethers.JsonRpcProvider(program.rpc)
+
+function printUsage() {
+    console.log("Usage:");
+    console.log("  node getchainstatus.js --help");
+    console.log("  node getchainstatus.js [subcommand] [options]");
+    console.log("\nSubcommands:");
+    console.log("  GetTxCount: find the block with max tx size of a range");
+    console.log("  GetVersion: dump validators' binary version, based on Header.Extra");
+    console.log("  GetTopAddr: get hottest $topNum target address within a block range");
+    console.log("\nOptions:");
+    console.log("  --rpc       specify the url of RPC endpoint");
+    console.log("  --startNum  the start block number, for command GetTxCount");
+    console.log("  --endNum    the end block number, for command GetTxCount");
+    console.log("  --miner     the miner address, for command GetTxCount");
+    console.log("  --num       the number of blocks to be checked, for command GetVersion");
+    console.log("  --topNum    the topNum of blocks to be checked, for command GetVersion");
+    console.log("\nExample:");
+    // mainnet https://bsc-mainnet.nodereal.io/v1/454e504917db4f82b756bd0cf6317dce
+    console.log("  node getchainstatus.js GetTxCount --rpc https://bsc-testnet-dataseed.bnbchain.org --startNum 40000001  --endNum 40000005")
+    console.log("  node getchainstatus.js GetVersion --rpc https://bsc-testnet-dataseed.bnbchain.org --num 21")
+    console.log("  node getchainstatus.js GetTopAddr --rpc https://bsc-testnet-dataseed.bnbchain.org --startNum 40000001  --endNum 40000010 --topNum 10")
+}
+
+// 1.cmd: "GetTxCount", usage:
+// node getchainstatus.js GetTxCount --rpc https://bsc-testnet-dataseed.bnbchain.org \
+//      --startNum 40000001  --endNum 40000005 \
+//      --miner(optional): specified: find the max txCounter from the specified validator,
+//                         not specified: find the max txCounter from all validators
+async function getTxCount()  {
+    let txCount = 0;
+    let num = 0;
+    console.log("Find the max txs count between", program.startNum, "and", program.endNum);
+    for (let i = program.startNum; i < program.endNum; i++) {
+        if (program.miner !== "") {
+            let blockData = await provider.getBlock(Number(i))
+            if (program.miner !== blockData.miner) {
+                continue
+            }
+        }
+        let x = await provider.send("eth_getBlockTransactionCountByNumber", [
+            ethers.toQuantity(i)]);
+        let a = ethers.toNumber(x)
+        if (a > txCount) {
+            num = i;
+            txCount = a;
+        }
+    }
+    console.log("BlockNum = ", num, "TxCount =", txCount);
+}
+
+// 2.cmd: "GetVersion", usage:
+// node getchainstatus.js GetVersion \
+//      --rpc https://bsc-testnet-dataseed.bnbchain.org \
+//       --num(optional): defualt 21, the number of blocks that will be checked
+async function getBinaryVersion()  {
+    const blockNum = await provider.getBlockNumber();
+    console.log(blockNum);
+    for (let i = 0; i < program.num; i++) {
+        let blockData = await provider.getBlock(blockNum - i);
+        // 1.get Geth client version
+        let major = ethers.toNumber(ethers.dataSlice(blockData.extraData, 2, 3))
+        let minor = ethers.toNumber(ethers.dataSlice(blockData.extraData, 3, 4))
+        let patch = ethers.toNumber(ethers.dataSlice(blockData.extraData, 4, 5))
+
+        // 2.get minimum txGasPrice based on the last non-zero-gasprice transaction
+        let lastGasPrice = 0
+        for  (let txIndex = blockData.transactions.length - 1; txIndex >= 0; txIndex--) {
+            let txHash = blockData.transactions[txIndex]
+            let txData =  await provider.getTransaction(txHash);
+            if (txData.gasPrice == 0) {
+                continue
+            }
+            lastGasPrice = txData.gasPrice
+            break
+        }
+        console.log(blockData.miner, "version =", major + "." + minor + "." + patch, " MinGasPrice = " + lastGasPrice)
+    }
+};
+
+// 3.cmd: "GetTopAddr", usage:
+// node getchainstatus.js GetTopAddr \
+//      --rpc https://bsc-testnet-dataseed.bnbchain.org \
+//      --startNum 40000001  --endNum 40000005 \
+//      --topNum(optional): the top num of address to be displayed, default 20
+function getTopKElements(map, k) {
+    let entries = Array.from(map.entries());
+    entries.sort((a, b) => b[1] - a[1]);
+    return entries.slice(0, k);
+}
+
+async function getTopAddr()  {
+    let countMap = new Map();
+    let totalTxs = 0
+    console.log("Find the top target address, between", program.startNum, "and", program.endNum);
+    for (let i = program.startNum; i <= program.endNum; i++) {
+        let blockData = await provider.getBlock(Number(i), true)
+        totalTxs += blockData.transactions.length
+        for  (let txIndex = blockData.transactions.length - 1; txIndex >= 0; txIndex--) {
+            let txData = await blockData.getTransaction(txIndex)
+            if (txData.to == null) {
+                console.log("Contract creation,txHash:", txData.hash)
+                continue
+            }
+            let toAddr = txData.to;
+            if (countMap.has(toAddr)) {
+                countMap.set(toAddr, countMap.get(toAddr) + 1);
+            } else {
+                countMap.set(toAddr, 1);
+            }
+        }
+        console.log("progress:", (program.endNum-i), "blocks left", "totalTxs", totalTxs)
+    }
+    let tops = getTopKElements(countMap, program.topNum)
+    tops.forEach((value, key) => {
+        // value: [ '0x40661F989826CC641Ce1601526Bb16a4221412c8', 71 ]
+        console.log(key+":", value[0], " ", value[1], " ", ((value[1]*100)/totalTxs).toFixed(2)+"%");
+      });
+};
+
+const main = async () => {
+    if (process.argv.length <= 2) {
+        console.error('invalid process.argv.length', process.argv.length);
+        printUsage()
+        return
+    }
+    const cmd =  process.argv[2]
+    if (cmd === "--help") {
+        printUsage()
+        return
+    }
+    if (cmd === "GetTxCount") {
+        await getTxCount()
+    } else if (cmd === "GetVersion") {
+        await getBinaryVersion()
+    } else if (cmd === "GetTopAddr") {
+        await getTopAddr()
+    } else {
+        console.log("unsupported cmd", cmd);
+        printUsage()
+    }
+}
+
+main().then(() => process.exit(0))
+    .catch((error) => {
+        console.error(error);
+        process.exit(1);
+    });