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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package log | ||
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| // Logger is the Cosmos SDK logger interface. | ||
| // It maintains as much backward compatibility with the CometBFT logger as possible. | ||
| // All functionalities of the logger are available through the Impl() method. | ||
| type Logger interface { | ||
| // Info takes a message and a set of key/value pairs and logs with level INFO. | ||
| // The key of the tuple must be a string. | ||
| Info(msg string, keyVals ...any) | ||
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| // Warn takes a message and a set of key/value pairs and logs with level WARN. | ||
| // The key of the tuple must be a string. | ||
| Warn(msg string, keyVals ...any) | ||
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| // Error takes a message and a set of key/value pairs and logs with level ERR. | ||
| // The key of the tuple must be a string. | ||
| Error(msg string, keyVals ...any) | ||
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| // Debug takes a message and a set of key/value pairs and logs with level DEBUG. | ||
| // The key of the tuple must be a string. | ||
| Debug(msg string, keyVals ...any) | ||
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| // With returns a new wrapped logger with additional context provided by a set. | ||
| With(keyVals ...any) Logger | ||
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| // Impl returns the underlying logger implementation. | ||
| // It is used to access the full functionalities of the underlying logger. | ||
| // Advanced users can type cast the returned value to the actual logger. | ||
| Impl() any | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,19 @@ | ||
| package log | ||
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| // NewNopLogger returns a new logger that does nothing. | ||
| func NewNopLogger() Logger { | ||
| // The custom nopLogger is about 3x faster than a zeroLogWrapper with zerolog.Nop(). | ||
| return nopLogger{} | ||
| } | ||
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| // nopLogger is a Logger that does nothing when called. | ||
| // See the "specialized nop logger" benchmark and compare with the "zerolog nop logger" benchmark. | ||
| // The custom implementation is about 3x faster. | ||
| type nopLogger struct{} | ||
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| func (nopLogger) Info(string, ...any) {} | ||
| func (nopLogger) Warn(string, ...any) {} | ||
| func (nopLogger) Error(string, ...any) {} | ||
| func (nopLogger) Debug(string, ...any) {} | ||
| func (nopLogger) With(...any) Logger { return nopLogger{} } | ||
| func (nopLogger) Impl() any { return nopLogger{} } |
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