mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-24 12:37:16 +00:00
88 lines
2.4 KiB
Go
88 lines
2.4 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"math/big"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/ledgerwatch/turbo-geth/consensus/ethash"
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"github.com/ledgerwatch/turbo-geth/core"
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"github.com/ledgerwatch/turbo-geth/core/vm"
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"github.com/ledgerwatch/turbo-geth/ethdb"
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"github.com/ledgerwatch/turbo-geth/params"
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)
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func feemarket() {
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startTime := time.Now()
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sigs := make(chan os.Signal, 1)
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interruptCh := make(chan bool, 1)
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signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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<-sigs
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interruptCh <- true
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}()
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ethDb, err := ethdb.NewBoltDatabase("/Volumes/tb4/turbo-geth-10/geth/chaindata")
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//ethDb, err := ethdb.NewBoltDatabase("/Users/alexeyakhunov/Library/Ethereum/geth/chaindata")
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//ethDb, err := ethdb.NewBoltDatabase("/home/akhounov/.ethereum/geth/chaindata1")
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check(err)
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defer ethDb.Close()
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chainConfig := params.MainnetChainConfig
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fmFile, err := os.OpenFile("fee_market.csv", os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
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check(err)
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defer fmFile.Close()
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w := bufio.NewWriter(fmFile)
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defer w.Flush()
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vmConfig := vm.Config{}
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engine := ethash.NewFullFaker()
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bcb, err := core.NewBlockChain(ethDb, nil, chainConfig, engine, vmConfig, nil)
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check(err)
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blockNum := uint64(*block)
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interrupt := false
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txCount := 0
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MinFeeMaxChangeDenominator := big.NewInt(8)
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parentMinFee := big.NewInt(1000000000)
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minimum := big.NewInt(1000)
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for !interrupt {
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block := bcb.GetBlockByNumber(blockNum)
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if block == nil {
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break
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}
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header := block.Header()
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targetGasUsed := big.NewInt(int64(header.GasLimit))
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targetGasUsed.Div(targetGasUsed, big.NewInt(2))
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delta := big.NewInt(int64(header.GasUsed))
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delta.Sub(delta, targetGasUsed)
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minFee := big.NewInt(0).Mul(parentMinFee, delta)
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minFee.Div(minFee, targetGasUsed)
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minFee.Div(minFee, MinFeeMaxChangeDenominator)
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minFee.Add(minFee, parentMinFee)
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if minFee.Cmp(minimum) < 0 {
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minFee.Set(minimum)
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}
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for range block.Transactions() {
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txCount++
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}
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fmt.Fprintf(w, "%d,%d\n", blockNum, minFee)
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blockNum++
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parentMinFee = minFee
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if blockNum%1000 == 0 {
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//tds.PruneTries(true)
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fmt.Printf("Processed %d blocks\n", blockNum)
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}
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// Check for interrupts
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select {
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case interrupt = <-interruptCh:
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fmt.Println("interrupted, please wait for cleanup...")
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default:
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}
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}
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fmt.Printf("Processed %d blocks\n", blockNum)
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fmt.Printf("Next time specify -block %d\n", blockNum)
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fmt.Printf("Fee market analysis took %s\n", time.Since(startTime))
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}
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