cmd/jsutils: add utils

cmd/jsutils/gettxsbyrang.js

@@ -0,0 +1,37 @@
+import { ethers } from "ethers";
+import program from "commander";
+
+// program.option("--Rpc <Rpc>", "Rpc");
+// program.option("--StartNum <StartNum>", "start num")
+// program.option("--EndNum <StartNum>", "end num")
+// program.parse(process.argv);
+
+const provider = new ethers.JsonRpcProvider("localhost:8545")
+
+const main = async () => {
+    let txCount = 0;
+    let num = 0;
+    for (let i = 34130937; i < 34141668; i++) {
+         let x = await provider.send("eth_getBlockTransactionCountByNumber", [
+            ethers.toQuantity(i)]);
+         if (x > txCount) {
+             num = i;
+             txCount = x;
+         }
+         if ( (i - 34130937) % 1000 === 0) {
+             await sleep(1)
+         }
+    }
+    console.log(num, txCount);
+};
+
+const sleep = async (seconds) => {
+    console.log('sleep', seconds, 's');
+    await new Promise((resolve) => setTimeout(resolve, seconds * 1000));
+};
+
+main().then(() => process.exit(0))
+    .catch((error) => {
+        console.error(error);
+        process.exit(1);
+    });