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99 lines
2.0 KiB
99 lines
2.0 KiB
package errors
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import (
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"fmt"
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"github.com/pkg/errors"
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)
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//----------------------------------------
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// Error types
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type errCommitNotFound struct{}
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func (e errCommitNotFound) Error() string {
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return "Commit not found by provider"
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}
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type errUnexpectedValidators struct {
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got []byte
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want []byte
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}
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func (e errUnexpectedValidators) Error() string {
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return fmt.Sprintf("Validator set is different. Got %X want %X",
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e.got, e.want)
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}
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type errUnknownValidators struct {
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chainID string
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height int64
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}
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func (e errUnknownValidators) Error() string {
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return fmt.Sprintf("Validators are unknown or missing for chain %s and height %d",
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e.chainID, e.height)
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}
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type errEmptyTree struct{}
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func (e errEmptyTree) Error() string {
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return "Tree is empty"
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}
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//----------------------------------------
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// Methods for above error types
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//-----------------
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// ErrCommitNotFound
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// ErrCommitNotFound indicates that a the requested commit was not found.
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func ErrCommitNotFound() error {
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return errors.Wrap(errCommitNotFound{}, "")
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}
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func IsErrCommitNotFound(err error) bool {
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_, ok := errors.Cause(err).(errCommitNotFound)
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return ok
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}
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//-----------------
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// ErrUnexpectedValidators
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// ErrUnexpectedValidators indicates a validator set mismatch.
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func ErrUnexpectedValidators(got, want []byte) error {
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return errors.Wrap(errUnexpectedValidators{
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got: got,
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want: want,
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}, "")
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}
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func IsErrUnexpectedValidators(err error) bool {
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_, ok := errors.Cause(err).(errUnexpectedValidators)
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return ok
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}
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//-----------------
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// ErrUnknownValidators
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// ErrUnknownValidators indicates that some validator set was missing or unknown.
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func ErrUnknownValidators(chainID string, height int64) error {
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return errors.Wrap(errUnknownValidators{chainID, height}, "")
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}
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func IsErrUnknownValidators(err error) bool {
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_, ok := errors.Cause(err).(errUnknownValidators)
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return ok
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}
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//-----------------
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// ErrEmptyTree
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func ErrEmptyTree() error {
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return errors.Wrap(errEmptyTree{}, "")
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}
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func IsErrEmptyTree(err error) bool {
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_, ok := errors.Cause(err).(errEmptyTree)
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return ok
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}
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