package swap import ( "fmt" "github.com/btcsuite/btclog" "github.com/lightningnetwork/lnd/lntypes" ) // PrefixLog logs with a short swap hash prefix. type PrefixLog struct { // Logger is the underlying based logger. Logger btclog.Logger // Hash is the hash the identifies the target swap. Hash lntypes.Hash } // Infof formats message according to format specifier and writes to // log with LevelInfo. func (s *PrefixLog) Infof(format string, params ...interface{}) { s.Logger.Infof( fmt.Sprintf("%v %s", ShortHash(&s.Hash), format), params..., ) } // Warnf formats message according to format specifier and writes to log with // LevelError. func (s *PrefixLog) Warnf(format string, params ...interface{}) { s.Logger.Warnf( fmt.Sprintf("%v %s", ShortHash(&s.Hash), format), params..., ) } // Errorf formats message according to format specifier and writes to log with // LevelError. func (s *PrefixLog) Errorf(format string, params ...interface{}) { s.Logger.Errorf( fmt.Sprintf("%v %s", ShortHash(&s.Hash), format), params..., ) } // ShortHash returns a shortened version of the hash suitable for use in // logging. func ShortHash(hash *lntypes.Hash) string { return hash.String()[:6] }