errors.gno

 1package upgradeable
 2
 3import "errors"
 4
 5var (
 6	// ErrNoAuthority is raised when a Proxy is built, or handed, a nil
 7	// authority. There is no "nobody" authority: to end upgradeability,
 8	// Freeze it.
 9	ErrNoAuthority = errors.New("upgradeable: an authority is required")
10
11	// ErrUnauthorized is raised when the caller is not the authority.
12	ErrUnauthorized = errors.New("upgradeable: caller is not the authority")
13
14	// ErrStaleRealm is raised when the threaded realm value is not the
15	// caller's live cur -- a stashed or replayed capture.
16	ErrStaleRealm = errors.New("upgradeable: realm value is not the caller's live cur")
17
18	// ErrFrozen is raised by every mutating method once Freeze has run.
19	ErrFrozen = errors.New("upgradeable: proxy is frozen")
20
21	// ErrNoImpl is raised when the proxy is asked for an implementation it
22	// does not have yet.
23	ErrNoImpl = errors.New("upgradeable: no implementation is live")
24
25	// ErrNotNested is raised when a candidate registers from a realm that is
26	// not under the proxy realm's own path. See New and NewOpen.
27	ErrNotNested = errors.New("upgradeable: candidate realm is not nested under this one")
28
29	// ErrNotARealm is raised when a candidate registers from a user call
30	// rather than from a deployed realm, so there is no path to record.
31	ErrNotARealm = errors.New("upgradeable: only a deployed realm can register a candidate")
32
33	// ErrNilImpl is raised when the registered implementation is nil.
34	ErrNilImpl = errors.New("upgradeable: implementation is nil")
35
36	// ErrUnknownPath is raised when accepting or withdrawing a path that has
37	// no candidate registered against it.
38	ErrUnknownPath = errors.New("upgradeable: no candidate registered at that path")
39
40	// ErrNoHistory is raised by Rollback when nothing has been replaced yet.
41	ErrNoHistory = errors.New("upgradeable: no previous release to roll back to")
42
43	// ErrBadAddress is raised when an authority is built from an invalid
44	// address.
45	ErrBadAddress = errors.New("upgradeable: invalid address")
46
47	// ErrBadRealmPath is raised when an authority is built from a realm path
48	// that is blank or carries surrounding whitespace. Both are silent
49	// lockouts: a blank entry matches every user call, and a padded one
50	// matches no caller at all.
51	ErrBadRealmPath = errors.New("upgradeable: authority realm paths must be non-blank and unpadded")
52)