Track btclog API updates.

log.go

@@ -5,9 +5,6 @@
 package btcrpcclient
 
 import (
-	"errors"
-	"io"
-
 	"github.com/btcsuite/btclog"
 )
 
@@ -22,41 +19,16 @@ func init() {
 }
 
 // DisableLog disables all library log output.  Logging output is disabled
-// by default until either UseLogger or SetLogWriter are called.
+// by default until UseLogger is called.
 func DisableLog() {
 	log = btclog.Disabled
 }
 
 // UseLogger uses a specified Logger to output package logging info.
-// This should be used in preference to SetLogWriter if the caller is also
-// using btclog.
 func UseLogger(logger btclog.Logger) {
 	log = logger
 }
 
-// SetLogWriter uses a specified io.Writer to output package logging info.
-// This allows a caller to direct package logging output without needing a
-// dependency on seelog.  If the caller is also using btclog, UseLogger should
-// be used instead.
-func SetLogWriter(w io.Writer, level string) error {
-	if w == nil {
-		return errors.New("nil writer")
-	}
-
-	lvl, ok := btclog.LogLevelFromString(level)
-	if !ok {
-		return errors.New("invalid log level")
-	}
-
-	l, err := btclog.NewLoggerFromWriter(w, lvl)
-	if err != nil {
-		return err
-	}
-
-	UseLogger(l)
-	return nil
-}
-
 // LogClosure is a closure that can be printed with %v to be used to
 // generate expensive-to-create data for a detailed log level and avoid doing
 // the work if the data isn't printed.