package lite
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import (
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"fmt"
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"time"
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"github.com/tendermint/tendermint/types"
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)
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// ErrOldHeaderExpired means the old (trusted) header has expired according to
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// the given trustingPeriod and current time. If so, the light client must be
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// reset subjectively.
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type ErrOldHeaderExpired struct {
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At time.Time
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Now time.Time
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}
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func (e ErrOldHeaderExpired) Error() string {
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return fmt.Sprintf("old header has expired at %v (now: %v)", e.At, e.Now)
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}
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// ErrNewValSetCantBeTrusted means the new validator set cannot be trusted
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// because < 1/3rd (+trustLevel+) of the old validator set has signed.
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type ErrNewValSetCantBeTrusted struct {
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Reason types.ErrNotEnoughVotingPowerSigned
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}
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func (e ErrNewValSetCantBeTrusted) Error() string {
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return fmt.Sprintf("cant trust new val set: %v", e.Reason)
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}
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// ErrInvalidHeader means the header either failed the basic validation or
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// commit is not signed by 2/3+.
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type ErrInvalidHeader struct {
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Reason error
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}
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func (e ErrInvalidHeader) Error() string {
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return fmt.Sprintf("invalid header: %v", e.Reason)
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}
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// errNoWitnesses means that there are not enough witnesses connected to
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// continue running the light client.
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type errNoWitnesses struct{}
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func (e errNoWitnesses) Error() string {
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return fmt.Sprint("no witnesses connected. please reset light client")
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}
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