laconicd-deprecated/log/handler.go

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package log
import (
"github.com/rs/zerolog"
"github.com/cosmos/cosmos-sdk/server"
ethlog "github.com/ethereum/go-ethereum/log"
tmlog "github.com/tendermint/tendermint/libs/log"
)
var _ ethlog.Handler = &Handler{}
// Logger wraps the zero log Wrapper and extends it to support the ethereum logger interface.
type Handler struct {
*server.ZeroLogWrapper
}
func NewHandler(logger tmlog.Logger) ethlog.Handler {
zerologger, ok := logger.(*server.ZeroLogWrapper)
if !ok {
// default to Stdout if not an SDK logger wrapper
return ethlog.StdoutHandler
}
return &Handler{
ZeroLogWrapper: zerologger,
}
}
// Log implements the go-ethereum Logger Handler interface
func (h *Handler) Log(r *ethlog.Record) error {
lvl := EthLogLvlToZerolog(r.Lvl)
h.WithLevel(lvl).
Fields(getLogFields(r.Ctx...)).
Time(r.KeyNames.Time, r.Time).
Msg(r.Msg)
return nil
}
func EthLogLvlToZerolog(lvl ethlog.Lvl) zerolog.Level {
var level zerolog.Level
switch lvl {
case ethlog.LvlCrit:
level = zerolog.FatalLevel
case ethlog.LvlDebug:
level = zerolog.DebugLevel
case ethlog.LvlError:
level = zerolog.ErrorLevel
case ethlog.LvlInfo:
level = zerolog.InfoLevel
case ethlog.LvlTrace:
level = zerolog.TraceLevel
case ethlog.LvlWarn:
level = zerolog.WarnLevel
default:
level = zerolog.NoLevel
}
return level
}
func getLogFields(keyVals ...interface{}) map[string]interface{} {
if len(keyVals)%2 != 0 {
return nil
}
fields := make(map[string]interface{})
for i := 0; i < len(keyVals); i += 2 {
fields[keyVals[i].(string)] = keyVals[i+1]
}
return fields
}
// var ethermintLogger *tmlog.Logger = nil
// func NewHandler(logger tmlog.Logger) ethlog.Handler {
// ethermintLogger = &logger
// return ethlog.FuncHandler(func(r *ethlog.Record) error {
// (*ethermintLogger).Debug(fmt.Sprintf("[EVM] %v", r))
// return nil
// })
// }