build: update prefixed logger

Such that it implements the new expanded interface of btclog v2.

build/prefix_log.go

@@ -1,18 +1,25 @@
 package build
 
-import "github.com/btcsuite/btclog"
+import (
+	"context"
+
+	btclogv1 "github.com/btcsuite/btclog"
+	"github.com/btcsuite/btclog/v2"
+)
 
 // PrefixLog is a pass-through logger that adds a prefix to every logged line.
 type PrefixLog struct {
 	log    btclog.Logger
 	prefix string
+	attr   []any
 }
 
 // NewPrefixLog instantiates a new prefixed logger.
-func NewPrefixLog(prefix string, log btclog.Logger) *PrefixLog {
+func NewPrefixLog(prefix string, log btclog.Logger, attrs ...any) *PrefixLog {
 	return &PrefixLog{
-		prefix: prefix,
 		log:    log,
+		prefix: prefix,
+		attr:   attrs,
 	}
 }
 
@@ -22,10 +29,16 @@ func (p *PrefixLog) addFormatPrefix(s string) string {
 }
 
 // addArgsPrefix prepends the prefix to a list of arguments.
-func (p *PrefixLog) addArgsPrefix(args []interface{}) []interface{} {
+func (p *PrefixLog) addArgsPrefix(args []any) []any {
 	return append([]interface{}{p.prefix}, args...)
 }
 
+// mergeAttr merges the given set of attributes with any attributes that the
+// logger was initialised with.
+func (p *PrefixLog) mergeAttr(attrs []any) []any {
+	return append(append([]any{}, attrs...), p.attr...)
+}
+
 // Tracef formats message according to format specifier and writes to to log
 // with LevelTrace.
 func (p *PrefixLog) Tracef(format string, params ...interface{}) {
@@ -98,13 +111,55 @@ func (p *PrefixLog) Critical(v ...interface{}) {
 	p.log.Critical(p.addArgsPrefix(v)...)
 }
 
+// TraceS writes a structured log with the given message and key-value pair
+// attributes with LevelTrace to the log.
+func (p *PrefixLog) TraceS(ctx context.Context, msg string, attrs ...any) {
+	p.log.TraceS(ctx, p.addFormatPrefix(msg), p.mergeAttr(attrs)...)
+}
+
+// DebugS writes a structured log with the given message and key-value pair
+// attributes with LevelDebug to the log.
+func (p *PrefixLog) DebugS(ctx context.Context, msg string, attrs ...any) {
+	p.log.DebugS(ctx, p.addFormatPrefix(msg), p.mergeAttr(attrs)...)
+}
+
+// InfoS writes a structured log with the given message and key-value pair
+// attributes with LevelInfo to the log.
+func (p *PrefixLog) InfoS(ctx context.Context, msg string, attrs ...any) {
+	p.log.InfoS(ctx, p.addFormatPrefix(msg), p.mergeAttr(attrs)...)
+}
+
+// WarnS writes a structured log with the given message and key-value pair
+// attributes with LevelWarn to the log.
+func (p *PrefixLog) WarnS(ctx context.Context, msg string, err error,
+	attrs ...any) {
+
+	p.log.WarnS(ctx, p.addFormatPrefix(msg), err, p.mergeAttr(attrs)...)
+}
+
+// ErrorS writes a structured log with the given message and key-value pair
+// attributes with LevelError to the log.
+func (p *PrefixLog) ErrorS(ctx context.Context, msg string, err error,
+	attrs ...any) {
+
+	p.log.ErrorS(ctx, p.addFormatPrefix(msg), err, p.mergeAttr(attrs)...)
+}
+
+// CriticalS writes a structured log with the given message and key-value pair
+// attributes with LevelCritical to the log.
+func (p *PrefixLog) CriticalS(ctx context.Context, msg string, err error,
+	attrs ...any) {
+
+	p.log.CriticalS(ctx, p.addFormatPrefix(msg), err, p.mergeAttr(attrs)...)
+}
+
 // Level returns the current logging level.
-func (p *PrefixLog) Level() btclog.Level {
+func (p *PrefixLog) Level() btclogv1.Level {
 	return p.log.Level()
 }
 
 // SetLevel changes the logging level to the passed level.
-func (p *PrefixLog) SetLevel(level btclog.Level) {
+func (p *PrefixLog) SetLevel(level btclogv1.Level) {
 	p.log.SetLevel(level)
 }