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package provider
import (
"errors"
"fmt"
)
var (
// ErrHeightTooHigh is returned when the height is higher than the last
// block that the provider has. The light client will not remove the provider
ErrHeightTooHigh = errors.New("height requested is too high")
// ErrLightBlockNotFound is returned when a provider can't find the
// requested header (i.e. it has been pruned).
// The light client will not remove the provider
ErrLightBlockNotFound = errors.New("light block not found")
// ErrNoResponse is returned if the provider doesn't respond to the
// request in a given time. The light client will not remove the provider
ErrNoResponse = errors.New("client failed to respond")
// ErrConnectionClosed is returned if the provider closes the connection.
// In this case we remove the provider.
ErrConnectionClosed = errors.New("client closed connection")
)
// ErrBadLightBlock is returned when a provider returns an invalid
// light block. The light client will remove the provider.
type ErrBadLightBlock struct {
Reason error
}
func (e ErrBadLightBlock) Error() string {
return fmt.Sprintf("client provided bad signed header: %s", e.Reason.Error())
}
// ErrUnreliableProvider is a generic error that indicates that the provider isn't
// behaving in a reliable manner to the light client. The light client will
// remove the provider
type ErrUnreliableProvider struct {
Reason string
}
func (e ErrUnreliableProvider) Error() string {
return fmt.Sprintf("client deemed unreliable: %s", e.Reason)
}