4e5a796e33
This updates the copyright year in the files modified in the blockchain/standalone module since the previous release and serves as a base for blockchain/standalone/v2.0.0. The full list of updated direct dependencies since the previous blockchain/standalone/v1.1.0 release are as follows: - github.com/decred/dcrd/wire@v1.4.0
55 lines
1.8 KiB
Go
55 lines
1.8 KiB
Go
// Copyright (c) 2019-2020 The Decred 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 standalone
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// ErrorKind identifies a kind of error. It has full support for errors.Is and
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// errors.As, so the caller can directly check against an error kind when
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// determining the reason for an error.
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type ErrorKind string
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// These constants are used to identify a specific RuleError.
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const (
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// ErrUnexpectedDifficulty indicates specified bits do not align with
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// the expected value either because it doesn't match the calculated
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// value based on difficulty rules or it is out of the valid range.
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ErrUnexpectedDifficulty = ErrorKind("ErrUnexpectedDifficulty")
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// ErrHighHash indicates the block does not hash to a value which is
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// lower than the required target difficultly.
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ErrHighHash = ErrorKind("ErrHighHash")
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// ErrInvalidTSpendExpiry indicates that an invalid expiry was
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// provided when calculating the treasury spend voting window.
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ErrInvalidTSpendExpiry = ErrorKind("ErrInvalidTSpendExpiry")
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)
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// Error satisfies the error interface and prints human-readable errors.
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func (e ErrorKind) Error() string {
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return string(e)
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}
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// RuleError identifies a rule violation. It has full support for errors.Is
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// and errors.As, so the caller can ascertain the specific reason for the
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// error by checking the underlying error.
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type RuleError struct {
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Description string
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Err error
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}
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// Error satisfies the error interface and prints human-readable errors.
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func (e RuleError) Error() string {
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return e.Description
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}
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// Unwrap returns the underlying wrapped error.
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func (e RuleError) Unwrap() error {
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return e.Err
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}
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// ruleError creates a RuleError given a set of arguments.
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func ruleError(kind ErrorKind, desc string) RuleError {
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return RuleError{Err: kind, Description: desc}
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}
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