61ca40e0e9
This does the minimum work necessary to refactor the block template generation code into the mining package. The idea is that separating this code into the mining package will greatly improve its testability, allow independent benchmarking and profiling, and open up some interesting opportunities for future development related to mining. There are some areas related to policy and other configuration that could be further refactored, however it is better to do that in future commits in order to keep the changeset as small as possible during this refactor. Overview of the major changes: - Move mining.go -> mining/mining.go - Move mining_test.go -> mining/mining_test.go - Add logger to mining package - Update the MINR subsystem to use the new mining package logger - Export CoinbaseFlags from the mining package - BlkTmplGenerator is now mining.BlkTmplGenerator - Update all references to the mining code to use the package
59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// Copyright (c) 2016 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package mining
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import (
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"errors"
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"io"
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"github.com/btcsuite/btclog"
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)
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// log is a logger that is initialized with no output filters. This
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// means the package will not perform any logging by default until the caller
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// requests it.
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var log btclog.Logger
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// The default amount of logging is none.
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func init() {
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DisableLog()
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}
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// DisableLog disables all library log output. Logging output is disabled
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// by default until either UseLogger or SetLogWriter are called.
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func DisableLog() {
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log = btclog.Disabled
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}
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// UseLogger uses a specified Logger to output package logging info.
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// This should be used in preference to SetLogWriter if the caller is also
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// using btclog.
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func UseLogger(logger btclog.Logger) {
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log = logger
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}
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// SetLogWriter uses a specified io.Writer to output package logging info.
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// This allows a caller to direct package logging output without needing a
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// dependency on seelog. If the caller is also using btclog, UseLogger should
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// be used instead.
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func SetLogWriter(w io.Writer, level string) error {
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if w == nil {
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return errors.New("nil writer")
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}
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lvl, ok := btclog.LogLevelFromString(level)
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if !ok {
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return errors.New("invalid log level")
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}
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l, err := btclog.NewLoggerFromWriter(w, lvl)
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if err != nil {
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return err
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}
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UseLogger(l)
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return nil
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}
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