25 lines
918 B
JavaScript
25 lines
918 B
JavaScript
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import { ethers } from "ethers";
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import program from "commander";
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program.option("--Rpc <Rpc>", "Rpc");
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program.option("--Num <Num>", "validator num", 21)
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program.parse(process.argv);
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const provider = new ethers.JsonRpcProvider(program.Rpc);
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const main = async () => {
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const blockNum = await provider.getBlockNumber();
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console.log(blockNum);
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for (let i = 0; i < program.Num; i++) {
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let blockData = await provider.getBlock(blockNum - i);
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let major = ethers.toNumber(ethers.dataSlice(blockData.extraData, 2, 3))
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let minor = ethers.toNumber(ethers.dataSlice(blockData.extraData, 3, 4))
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let patch = ethers.toNumber(ethers.dataSlice(blockData.extraData, 4, 5))
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console.log(blockData.miner, "version =", major + "." + minor + "." + patch)
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}
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};
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main().then(() => process.exit(0))
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.catch((error) => {
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console.error(error);
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process.exit(1);
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});
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