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Original file line number | Diff line number | Diff line change |
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package base | ||
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import ( | ||
"os" | ||
"path/filepath" | ||
"time" | ||
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"github.com/rs/zerolog" | ||
"github.com/rs/zerolog/log" | ||
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"github.com/zeta-chain/zetacore/zetaclient/config" | ||
) | ||
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const ( | ||
ComplianceLogFile = "compliance.log" | ||
) | ||
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// Logger contains the base loggers | ||
type Logger struct { | ||
Std zerolog.Logger | ||
Compliance zerolog.Logger | ||
} | ||
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// DefaultLoggers creates default base loggers for tests | ||
func DefaultLogger() Logger { | ||
return Logger{ | ||
Std: log.Logger, | ||
Compliance: log.Logger, | ||
} | ||
} | ||
|
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// ObserverLogger contains the loggers for chain observers | ||
type ObserverLogger struct { | ||
// the parent logger for the chain observer | ||
Chain zerolog.Logger | ||
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// the logger for inbound transactions | ||
Inbound zerolog.Logger | ||
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// the logger for outbound transactions | ||
Outbound zerolog.Logger | ||
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// the logger for the chain's gas price | ||
GasPrice zerolog.Logger | ||
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// the logger for block headers | ||
Headers zerolog.Logger | ||
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// the logger for the compliance check | ||
Compliance zerolog.Logger | ||
} | ||
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// InitLogger initializes the base loggers | ||
func InitLogger(cfg config.Config) (Logger, error) { | ||
// open compliance log file | ||
file, err := openComplianceLogFile(cfg) | ||
if err != nil { | ||
return DefaultLogger(), err | ||
} | ||
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// create loggers based on configured level and format | ||
var std zerolog.Logger | ||
var compliance zerolog.Logger | ||
switch cfg.LogFormat { | ||
case "json": | ||
std = zerolog.New(os.Stdout).Level(zerolog.Level(cfg.LogLevel)).With().Timestamp().Logger() | ||
compliance = zerolog.New(file).Level(zerolog.Level(cfg.LogLevel)).With().Timestamp().Logger() | ||
case "text": | ||
std = zerolog.New(zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: time.RFC3339}). | ||
Level(zerolog.Level(cfg.LogLevel)). | ||
With(). | ||
Timestamp(). | ||
Logger() | ||
compliance = zerolog.New(file).Level(zerolog.Level(cfg.LogLevel)).With().Timestamp().Logger() | ||
default: | ||
std = zerolog.New(zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: time.RFC3339}) | ||
compliance = zerolog.New(file).With().Timestamp().Logger() | ||
} | ||
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if cfg.LogSampler { | ||
std = std.Sample(&zerolog.BasicSampler{N: 5}) | ||
} | ||
log.Logger = std // set global logger | ||
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return Logger{ | ||
Std: std, | ||
Compliance: compliance, | ||
}, nil | ||
} | ||
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// openComplianceLogFile opens the compliance log file | ||
func openComplianceLogFile(cfg config.Config) (*os.File, error) { | ||
// use zetacore home as default | ||
logPath := cfg.ZetaCoreHome | ||
if cfg.ComplianceConfig.LogPath != "" { | ||
logPath = cfg.ComplianceConfig.LogPath | ||
} | ||
|
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// clean file name | ||
name := filepath.Join(logPath, ComplianceLogFile) | ||
name, err := filepath.Abs(name) | ||
if err != nil { | ||
return nil, err | ||
} | ||
name = filepath.Clean(name) | ||
|
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// open (or create) compliance log file | ||
return os.OpenFile(name, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600) | ||
} |
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