github.com/lbryio/lbcd@v0.22.119/fees/cmd/dumpfeedb/dumpfeedb.go (about)

     1  // Copyright (c) 2018-2020 The Decred developers
     2  // Use of this source code is governed by an ISC
     3  // license that can be found in the LICENSE file.
     4  
     5  // Tool dumpfeedb can be used to dump the internal state of the buckets of an
     6  // estimator's feedb so that it can be externally analyzed.
     7  package main
     8  
     9  import (
    10  	"errors"
    11  	"fmt"
    12  	"os"
    13  	"path"
    14  
    15  	"github.com/btcsuite/btclog"
    16  	flags "github.com/jessevdk/go-flags"
    17  	"github.com/lbryio/lbcd/fees"
    18  	"github.com/lbryio/lbcutil"
    19  )
    20  
    21  type config struct {
    22  	DB string `short:"b" long:"db" description:"Path to fee database"`
    23  }
    24  
    25  var feesLog = btclog.NewBackend(os.Stdout).Logger("FEES")
    26  
    27  func main() {
    28  	cfg := config{
    29  		DB: path.Join(lbcutil.AppDataDir("lbcd", false), "data", "mainnet", "feesdb"),
    30  	}
    31  
    32  	fees.UseLogger(feesLog)
    33  	parser := flags.NewParser(&cfg, flags.Default)
    34  	_, err := parser.Parse()
    35  	if err != nil {
    36  		var e *flags.Error
    37  		if !errors.As(err, &e) || e.Type != flags.ErrHelp {
    38  			parser.WriteHelp(os.Stderr)
    39  		}
    40  		return
    41  	}
    42  
    43  	ecfg := fees.EstimatorConfig{
    44  		DatabaseFile:         cfg.DB,
    45  		ReplaceBucketsOnLoad: true,
    46  		MinBucketFee:         1,
    47  		MaxBucketFee:         2,
    48  		FeeRateStep:          fees.DefaultFeeRateStep,
    49  	}
    50  	est, err := fees.NewEstimator(&ecfg)
    51  	if err != nil {
    52  		panic(err)
    53  	}
    54  
    55  	fmt.Println(est.DumpBuckets())
    56  }