mirror of
https://github.com/lightningnetwork/lnd.git
synced 2025-03-04 09:48:19 +01:00
b117daaa3c
In preparation for moving funding transaction validiation from the Builder to the Gossiper in later commit, we first convert these graph Error Codes to normal error variables. This will help make the later commit a pure code move.
80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
package graph
|
|
|
|
import "github.com/go-errors/errors"
|
|
|
|
var (
|
|
// ErrNoFundingTransaction is returned when we are unable to find the
|
|
// funding transaction described by the short channel ID on chain.
|
|
ErrNoFundingTransaction = errors.New(
|
|
"unable to find the funding transaction",
|
|
)
|
|
|
|
// ErrInvalidFundingOutput is returned if the channel funding output
|
|
// fails validation.
|
|
ErrInvalidFundingOutput = errors.New(
|
|
"channel funding output validation failed",
|
|
)
|
|
|
|
// ErrChannelSpent is returned when we go to validate a channel, but
|
|
// the purported funding output has actually already been spent on
|
|
// chain.
|
|
ErrChannelSpent = errors.New("channel output has been spent")
|
|
)
|
|
|
|
// ErrorCode is used to represent the various errors that can occur within this
|
|
// package.
|
|
type ErrorCode uint8
|
|
|
|
const (
|
|
// ErrOutdated is returned when the routing update already have
|
|
// been applied, or a newer update is already known.
|
|
ErrOutdated ErrorCode = iota
|
|
|
|
// ErrIgnored is returned when the update have been ignored because
|
|
// this update can't bring us something new, or because a node
|
|
// announcement was given for node not found in any channel.
|
|
ErrIgnored
|
|
)
|
|
|
|
// Error is a structure that represent the error inside the graph package,
|
|
// this structure carries additional information about error code in order to
|
|
// be able distinguish errors outside of the current package.
|
|
type Error struct {
|
|
err *errors.Error
|
|
code ErrorCode
|
|
}
|
|
|
|
// Error represents errors as the string
|
|
// NOTE: Part of the error interface.
|
|
func (e *Error) Error() string {
|
|
return e.err.Error()
|
|
}
|
|
|
|
// A compile time check to ensure Error implements the error interface.
|
|
var _ error = (*Error)(nil)
|
|
|
|
// NewErrf creates a Error by the given error formatted description and
|
|
// its corresponding error code.
|
|
func NewErrf(code ErrorCode, format string, a ...interface{}) *Error {
|
|
return &Error{
|
|
code: code,
|
|
err: errors.Errorf(format, a...),
|
|
}
|
|
}
|
|
|
|
// IsError is a helper function which is needed to have ability to check that
|
|
// returned error has specific error code.
|
|
func IsError(e interface{}, codes ...ErrorCode) bool {
|
|
err, ok := e.(*Error)
|
|
if !ok {
|
|
return false
|
|
}
|
|
|
|
for _, code := range codes {
|
|
if err.code == code {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|