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https://github.com/lightningnetwork/lnd.git
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e5db0d6314
This commit is a pure refactor. We move the transaction validation (existence, spentness, correctness) from the `graph.Builder` to the gossiper since this is where all protocol level checks should happen. All tests involved are also updated/moved.
61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
package graph
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import "github.com/go-errors/errors"
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// ErrorCode is used to represent the various errors that can occur within this
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// package.
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type ErrorCode uint8
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const (
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// ErrOutdated is returned when the routing update already have
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// been applied, or a newer update is already known.
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ErrOutdated ErrorCode = iota
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// ErrIgnored is returned when the update have been ignored because
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// this update can't bring us something new, or because a node
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// announcement was given for node not found in any channel.
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ErrIgnored
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)
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// Error is a structure that represent the error inside the graph package,
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// this structure carries additional information about error code in order to
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// be able distinguish errors outside of the current package.
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type Error struct {
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err *errors.Error
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code ErrorCode
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}
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// Error represents errors as the string
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// NOTE: Part of the error interface.
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func (e *Error) Error() string {
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return e.err.Error()
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}
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// A compile time check to ensure Error implements the error interface.
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var _ error = (*Error)(nil)
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// NewErrf creates a Error by the given error formatted description and
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// its corresponding error code.
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func NewErrf(code ErrorCode, format string, a ...interface{}) *Error {
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return &Error{
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code: code,
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err: errors.Errorf(format, a...),
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}
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}
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// IsError is a helper function which is needed to have ability to check that
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// returned error has specific error code.
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func IsError(e interface{}, codes ...ErrorCode) bool {
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err, ok := e.(*Error)
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if !ok {
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return false
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}
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for _, code := range codes {
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if err.code == code {
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return true
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}
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}
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return false
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}
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