Fantom-foundation/go-lachesis

package logger

import (
    "github.com/ethereum/go-ethereum/log"
    "github.com/sirupsen/logrus"
)

// LogrusHandler converts logrus hook to log handler.
func LogrusHandler(hook logrus.Hook) log.Handler {
    return log.FuncHandler(func(r *log.Record) error {
        data := &logrus.Entry{
            Message: r.Msg,
            Data:    fields(r.Ctx),
        }
        return hook.Fire(data)
    })
}

func fields(ctx []interface{}) logrus.Fields {
    ff := make(logrus.Fields, len(ctx)/2)
    for i := 1; i < len(ctx); i += 2 {
        k, ok := ctx[i-1].(string)
        if !ok {
            continue
        }
        ff[k] = ctx[i]
    }

    return ff
}