Eth cpu miner download

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{ const uncleRes = await axios.post(ALCHEMY_API_URL, { jsonrpc: "2.0", method: "eth_getBlockByHash", params: [`${hash}`, false], id: 0, }); return uncleRes.data.result; }; try { console.log("fetching block rewards..."); const block = await getBlock(blockNum); const blockNumber = parseInt(block.number); const transactions = block.transactions; const baseFeePerGas = block.baseFeePerGas; const gasUsed = block.gasUsed; let minerTips = []; let sumMinerTips = 0; for (const tx of transactions) { const txGasUseage = await getGasUsage(tx.hash); const totalFee = ethers.utils.formatEther( ethers.BigNumber.from(txGasUseage).mul(tx.gasPrice).toString() ); minerTips.push(Number(totalFee)); } if (transactions.length > 0) { sumMinerTips = minerTips.reduce( (prevTip, currentTip) => prevTip + currentTip ); } const burnedFee = ethers.utils.formatEther( ethers.BigNumber.from(gasUsed).mul(baseFeePerGas).toString() ); const baseBlockReward = 2; const nephewReward = baseBlockReward / 32; const uncleCount = block.uncles.length; const totalNephewReward = uncleCount * nephewReward; let uncleRewardsArr = []; for (const hash of block.uncles) { const uncle = await getUncle(hash); const uncleNum = parseInt(uncle.number); const uncleMiner = uncle.miner; const uncleReward = ((uncleNum + 8 - blockNumber) * baseBlockReward) / 8; uncleRewardsArr.push({ reward: `${uncleReward}ETH`, miner: uncleMiner, }); } const blockReward = baseBlockReward + (sumMinerTips - Number(burnedFee)); if (uncleCount > 0) { console.log("Block reward:", blockReward + totalNephewReward + "ETH"); console.log("miner:", block.miner); console.log("Uncle rewards:"); console.log(uncleRewardsArr); } else { console.log("Block reward:", blockReward + "ETH"); console.log("miner:", block.miner); } } catch (error) { console.log(error); }};Okay we’re almost there! At the bottom of your file call the getBlockReward function and pass any block number inside:getBlockReward(15349734);Finally, ensure you’re inside your root folder, then run the following command:If successful, you should see these results in console:fetching block rewards...Block reward: 2.066205744642072ETHminer: 0xea674fdde714fd979de3edf0f56aa9716b898ec8Uncle rewards:[ { reward: '1.75ETH', miner: '0x8b4de256180cfec54c436a470af50f9ee2813dbb' }]🥳 Woohoo! Nice work, you’ve calculated a block reward and completed the tutorial! 🥳If you enjoyed this tutorial on calculating a miner reward, give us a tweet @AlchemyPlatform! And don't forget to join our Discord server to meet other blockchain devs, builders, and entrepreneurs!Updated over 2 years ago Table of ContentsPrerequisitesConnect to AlchemySetup project environmentInstall environment toolsCreate a Dotenv FileCall Alchemy methods with axiosCalculate a miner rewardCost of all transactions in a blockSum the burned fees in a blockUncle and nephew rewardsFinal miner reward calculation

Otherwise, we simply print the block block reward and miner.Your entire getBlockReward.js file should appear as follows:JSXconst { default: axios } = require("axios");const { ethers } = require("ethers");require("dotenv").config();const ALCHEMY_API_URL = process.env.MAINNET_API_URL;const getBlockReward = async blockNum => { const getBlock = async num => { const blockNumHex = ethers.utils.hexlify(num); const blockRes = await axios.post(ALCHEMY_API_URL, { jsonrpc: "2.0", method: "eth_getBlockByNumber", params: [blockNumHex, true], id: 0, }); return blockRes.data.result; }; const getGasUsage = async hash => { const txRes = await axios.post(ALCHEMY_API_URL, { jsonrpc: "2.0", method: "eth_getTransactionReceipt", params: [`${hash}`], id: 0, }); return txRes.data.result.gasUsed; }; const getUncle = async hash => { const uncleRes = await axios.post(ALCHEMY_API_URL, { jsonrpc: "2.0", method: "eth_getBlockByHash", params: [`${hash}`, false], id: 0, }); return uncleRes.data.result; }; try { console.log("fetching block rewards..."); const block = await getBlock(blockNum); const blockNumber = parseInt(block.number); const transactions = block.transactions; const baseFeePerGas = block.baseFeePerGas; const gasUsed = block.gasUsed; let minerTips = []; let sumMinerTips = 0; for (const tx of transactions) { const txGasUseage = await getGasUsage(tx.hash); const totalFee = ethers.utils.formatEther( ethers.BigNumber.from(txGasUseage).mul(tx.gasPrice).toString() ); minerTips.push(Number(totalFee)); } if (transactions.length > 0) { sumMinerTips = minerTips.reduce( (prevTip, currentTip) => prevTip + currentTip ); } const burnedFee = ethers.utils.formatEther( ethers.BigNumber.from(gasUsed).mul(baseFeePerGas).toString() ); const baseBlockReward = 2; const nephewReward = baseBlockReward / 32; const uncleCount = block.uncles.length; const totalNephewReward = uncleCount * nephewReward; let uncleRewardsArr = []; for (const hash of block.uncles) { const uncle = await getUncle(hash); const uncleNum = parseInt(uncle.number); const uncleMiner = uncle.miner; const uncleReward = ((uncleNum + 8 - blockNumber) * baseBlockReward) / 8; uncleRewardsArr.push({ reward: `${uncleReward}ETH`, miner: uncleMiner, }); } const blockReward = baseBlockReward + (sumMinerTips - Number(burnedFee)); if (uncleCount > 0) { console.log("Block reward:", blockReward + totalNephewReward + "ETH"); console.log("miner:", block.miner); console.log("Uncle rewards:"); console.log(uncleRewardsArr); } else { console.log("Block reward:", blockReward + "ETH"); console.log("miner:", block.miner); } } catch (error) { console.log(error); }};Okay we’re almost there! At the bottom of your file call the getBlockReward function and pass any block number inside:JSXgetBlockReward(15349734);Finally, ensure you’re inside your root folder, then run the following command:Bashnode getBlockReward.jsIf successful, you should see these results in console:Bashfetching block rewards...Block reward: 2.066205744642072ETHminer: 0xea674fdde714fd979de3edf0f56aa9716b898ec8Uncle rewards:[ { reward: '1.75ETH', miner: '0x8b4de256180cfec54c436a470af50f9ee2813dbb' }]🥳 Woohoo! Nice work, you’ve calculated a block reward and completed the tutorial! 🥳If you enjoyed this tutorial on calculating a miner reward, give us a tweet @AlchemyPlatform! And don't forget to join our Discord server to meet other blockchain devs, builders, and entrepreneurs!" data-testid="RDMD">Have you ever wondered how much a miner earns for mining a block on Ethereum? Maybe you’re curious about what miners are earning or have a practical application (i.e. blockchain explorer, miner profit calculator, etc) for calculating a block reward. You could achieve this by checking Etherscan’s “block reward” field if you believe their calculations are accurate. Another alternative

Const txGasUseage = await getGasUsage(tx.hash); const totalFee = ethers.utils.formatEther( ethers.BigNumber.from(txGasUseage).mul(tx.gasPrice).toString() ); minerTips.push(Number(totalFee)); }Above, we use the transaction hash to return the gas usage for each transaction. Then we convert our gasUsage variable using bignumber so that we can multiply it by the gasPrice and format the result into an Ether value as it is currently in wei. Finally, we push the total fee value to an array which we can sum to get the total for all transaction fees in our block:JSXif (transactions.length > 0) { sumMinerTips = minerTips.reduce( (prevTip, currentTip) => prevTip + currentTip ); }As long as there is at least one transaction, we will add the items in the minerTips array and set the total equal to sumMinerTips. Otherwise, sumMinerTips will stay equal to zero.Sum the burned fees in a blockNext, we’ll need to get the sum of burned fees in our block so that we can subtract it from the total reward. To do this, we need to multiply the total gasUsed by the baseFeePerGas:JSXconst burnedFee = ethers.utils.formatEther( ethers.BigNumber.from(gasUsed).mul(baseFeePerGas).toString() );Again, we use bignumber to multiply the wei values and format the result in Ether.Uncle and nephew rewardsnephew rewardsLet’s start with the nephew reward. Because the nephew reward is 1/32 of the block reward, the reward should be fixed to 0.0625ETH/uncle block. To calculate this add the following lines of code:JSXconst baseBlockReward = 2;const nephewReward = baseBlockReward / 32;const uncleCount = block.uncles.length;const totalNephewReward = uncleCount * nephewReward;Uncle rewardsIn order to calculate the uncle rewards, we’ll need to iterate over each of the block hashes found in the block.uncles property of our block variable. Then, we’ll pass each hash to our getUncle function to extract both the uncle block number and miner. Finally, we’ll push the block number and miner to an uncle rewards array:JSXlet uncleRewardsArr = []; for (const hash of block.uncles) { const uncle = await getUncle(hash) const uncleNum = parseInt(uncle.number) const uncleMiner = uncle.miner const uncleReward = (uncleNum + 8 - blockNumber) * baseBlockReward / 8; uncleRewardsArr.push({ reward: `${uncleReward}ETH`, miner: uncleMiner }) }Final miner reward calculationNow that we have the sum of transaction fees and sum of burned fees let’s calculate the miner reward in a scenario where there is no uncle block included:JSXconst blockReward = baseBlockReward + (sumMinerTips - Number(burnedFee));This will give us the basic block reward, however let’s also account for nephew and uncle rewards by adding the totalNephewReward when the given block contains at least one uncle hash:JSXif (uncleCount > 0) { console.log("Block reward:", blockReward + totalNephewReward + "ETH"); console.log("miner:", block.miner); console.log("Uncle rewards:"); console.log(uncleRewardsArr); } else { console.log("Block reward:", blockReward + "ETH"); console.log("miner:", block.miner); }Above we are printing the total block reward plus the total nephew reward when the block contains uncles.

0) { sumMinerTips = minerTips.reduce( (prevTip, currentTip) => prevTip + currentTip ); }As long as there is at least one transaction, we will add the items in the minerTips array and set the total equal to sumMinerTips. Otherwise, sumMinerTips will stay equal to zero.Next, we’ll need to get the sum of burned fees in our block so that we can subtract it from the total reward. To do this, we need to multiply the total gasUsed by the baseFeePerGas:const burnedFee = ethers.utils.formatEther( ethers.BigNumber.from(gasUsed).mul(baseFeePerGas).toString() );Again, we use bignumber to multiply the wei values and format the result in Ether.Let’s start with the nephew reward. Because the nephew reward is 1/32 of the block reward, the reward should be fixed to 0.0625ETH/uncle block. To calculate this add the following lines of code:const baseBlockReward = 2;const nephewReward = baseBlockReward / 32;const uncleCount = block.uncles.length;const totalNephewReward = uncleCount * nephewReward;In order to calculate the uncle rewards, we’ll need to iterate over each of the block hashes found in the block.uncles property of our block variable. Then, we’ll pass each hash to our getUncle function to extract both the uncle block number and miner. Finally, we’ll push the block number and miner to an uncle rewards array:let uncleRewardsArr = []; for (const hash of block.uncles) { const uncle = await getUncle(hash) const uncleNum = parseInt(uncle.number) const uncleMiner = uncle.miner const uncleReward = (uncleNum + 8 - blockNumber) * baseBlockReward / 8; uncleRewardsArr.push({ reward: `${uncleReward}ETH`, miner: uncleMiner }) }Now that we have the sum of transaction fees and sum of burned fees let’s calculate the miner reward in a scenario where there is no uncle block included:const blockReward = baseBlockReward + (sumMinerTips - Number(burnedFee));This will give us the basic block reward, however let’s also account for nephew and uncle rewards by adding the totalNephewReward when the given block contains at least one uncle hash:if (uncleCount > 0) { console.log("Block reward:", blockReward + totalNephewReward + "ETH"); console.log("miner:", block.miner); console.log("Uncle rewards:"); console.log(uncleRewardsArr); } else { console.log("Block reward:", blockReward + "ETH"); console.log("miner:", block.miner); }Above we are printing the total block reward plus the total nephew reward when the block contains uncles. Otherwise, we simply print the block block reward and miner.Your entire getBlockReward.js file should appear as follows:const { default: axios } = require("axios");const { ethers } = require("ethers");require("dotenv").config();const ALCHEMY_API_URL = process.env.MAINNET_API_URL;const getBlockReward = async blockNum => { const getBlock = async num => { const blockNumHex = ethers.utils.hexlify(num); const blockRes = await axios.post(ALCHEMY_API_URL, { jsonrpc: "2.0", method: "eth_getBlockByNumber", params: [blockNumHex, true], id: 0, }); return blockRes.data.result; }; const getGasUsage = async hash => { const txRes = await axios.post(ALCHEMY_API_URL, { jsonrpc: "2.0", method: "eth_getTransactionReceipt", params: [`${hash}`], id: 0, }); return txRes.data.result.gasUsed; }; const getUncle = async hash =>