-
Notifications
You must be signed in to change notification settings - Fork 2.1k
/
errors.go
99 lines (75 loc) · 2.03 KB
/
errors.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
package errors
import (
"fmt"
"github.com/pkg/errors"
)
//----------------------------------------
// Error types
type errCommitNotFound struct{}
func (e errCommitNotFound) Error() string {
return "Commit not found by provider"
}
type errUnexpectedValidators struct {
got []byte
want []byte
}
func (e errUnexpectedValidators) Error() string {
return fmt.Sprintf("Validator set is different. Got %X want %X",
e.got, e.want)
}
type errUnknownValidators struct {
chainID string
height int64
}
func (e errUnknownValidators) Error() string {
return fmt.Sprintf("Validators are unknown or missing for chain %s and height %d",
e.chainID, e.height)
}
type errEmptyTree struct{}
func (e errEmptyTree) Error() string {
return "Tree is empty"
}
//----------------------------------------
// Methods for above error types
//-----------------
// ErrCommitNotFound
// ErrCommitNotFound indicates that a the requested commit was not found.
func ErrCommitNotFound() error {
return errors.Wrap(errCommitNotFound{}, "")
}
func IsErrCommitNotFound(err error) bool {
_, ok := errors.Cause(err).(errCommitNotFound)
return ok
}
//-----------------
// ErrUnexpectedValidators
// ErrUnexpectedValidators indicates a validator set mismatch.
func ErrUnexpectedValidators(got, want []byte) error {
return errors.Wrap(errUnexpectedValidators{
got: got,
want: want,
}, "")
}
func IsErrUnexpectedValidators(err error) bool {
_, ok := errors.Cause(err).(errUnexpectedValidators)
return ok
}
//-----------------
// ErrUnknownValidators
// ErrUnknownValidators indicates that some validator set was missing or unknown.
func ErrUnknownValidators(chainID string, height int64) error {
return errors.Wrap(errUnknownValidators{chainID, height}, "")
}
func IsErrUnknownValidators(err error) bool {
_, ok := errors.Cause(err).(errUnknownValidators)
return ok
}
//-----------------
// ErrEmptyTree
func ErrEmptyTree() error {
return errors.Wrap(errEmptyTree{}, "")
}
func IsErrEmptyTree(err error) bool {
_, ok := errors.Cause(err).(errEmptyTree)
return ok
}