-
Notifications
You must be signed in to change notification settings - Fork 659
/
blockchain_status.go
80 lines (69 loc) · 1.69 KB
/
blockchain_status.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
// Copyright (C) 2019-2021, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package status
import (
"encoding/json"
"errors"
"fmt"
"github.com/ava-labs/avalanchego/vms/components/verify"
)
// List of possible blockchain status values:
// - [Created] This node is not currently validating this blockchain
// - [Preferred] This blockchain is currently in the preferred tip
// - [Validating] This node is currently validating this blockchain
// - [Syncing] This node is syncing up to the preferred block height
const (
Created BlockchainStatus = iota
Preferred
Validating
Syncing
)
var (
errUnknownBlockchainStatus = errors.New("unknown blockchain status")
_ json.Marshaler = BlockchainStatus(0)
_ verify.Verifiable = BlockchainStatus(0)
_ fmt.Stringer = BlockchainStatus(0)
)
type BlockchainStatus uint32
func (s BlockchainStatus) MarshalJSON() ([]byte, error) {
return []byte(`"` + s.String() + `"`), s.Verify()
}
func (s *BlockchainStatus) UnmarshalJSON(b []byte) error {
switch string(b) {
case `"Created"`:
*s = Created
case `"Preferred"`:
*s = Preferred
case `"Validating"`:
*s = Validating
case `"Syncing"`:
*s = Syncing
case "null":
default:
return errUnknownStatus
}
return nil
}
// Verify that this is a valid status.
func (s BlockchainStatus) Verify() error {
switch s {
case Created, Preferred, Validating, Syncing:
return nil
default:
return errUnknownBlockchainStatus
}
}
func (s BlockchainStatus) String() string {
switch s {
case Created:
return "Created"
case Preferred:
return "Preferred"
case Validating:
return "Validating"
case Syncing:
return "Syncing"
default:
return "Invalid blockchain status"
}
}