cmd/jsutil: dump MinGasPrice for validator

cmd/jsutils/README.md

@@ -11,6 +11,7 @@ Install node.js dependency:
     npm install
 ```
 ## Run
+### 1.Get Validator's Information: Version, MinGasPrice
 mainnet validators version
 ```bash
     npm run startMainnet
@@ -19,7 +20,8 @@ testnet validators version
 ```bash
     npm run startTestnet
 ```
-Transaction count
+
+### 2.Get Transaction Count
 ```bash
 node gettxcount.js --rpc ${url} --startNum ${start} --endNum ${end} --miner ${miner} (optional)
 ```

cmd/jsutils/gettxcount.js

@@ -4,6 +4,9 @@ import program from "commander";
 program.option("--rpc <rpc>", "Rpc");
 program.option("--startNum <startNum>", "start num")
 program.option("--endNum <endNum>", "end num")
+// --miner:
+//   specified: find the max txCounter from the specified validator
+//   not specified: find the max txCounter from all validators
 program.option("--miner <miner>", "miner", "")
 program.parse(process.argv);
 

cmd/jsutils/getvalidatorversion.js

@@ -12,10 +12,23 @@ const main = async () => {
     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))
-        console.log(blockData.miner, "version =", major + "." + minor + "." + patch)
+
+        // 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)
     }
 };
 main().then(() => process.exit(0))