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35 lines
1.1 KiB
Go
35 lines
1.1 KiB
Go
// Copyright (c) 2013-2015 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package wire
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import (
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"fmt"
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)
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// MessageError describes an issue with a message.
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// An example of some potential issues are messages from the wrong bitcoin
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// network, invalid commands, mismatched checksums, and exceeding max payloads.
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//
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// This provides a mechanism for the caller to type assert the error to
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// differentiate between general io errors such as io.EOF and issues that
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// resulted from malformed messages.
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type MessageError struct {
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Func string // Function name
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Description string // Human readable description of the issue
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}
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// Error satisfies the error interface and prints human-readable errors.
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func (e *MessageError) Error() string {
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if e.Func != "" {
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return fmt.Sprintf("%v: %v", e.Func, e.Description)
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}
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return e.Description
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}
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// messageError creates an error for the given function and description.
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func messageError(f string, desc string) *MessageError {
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return &MessageError{Func: f, Description: desc}
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}
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