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
package backend
import (
"context"
"errors"
"io"
"sync/atomic"
"github.com/ethereum-optimism/optimism/op-service/eth"
"github.com/ethereum-optimism/optimism/op-supervisor/supervisor/frontend"
"github.com/ethereum-optimism/optimism/op-supervisor/supervisor/types"
"github.com/ethereum/go-ethereum/common"
)
type MockBackend struct {
started atomic.Bool
}
var _ frontend.Backend = (*MockBackend)(nil)
var _ io.Closer = (*MockBackend)(nil)
func NewMockBackend() *MockBackend {
return &MockBackend{}
}
func (m *MockBackend) Start(ctx context.Context) error {
if !m.started.CompareAndSwap(false, true) {
return errors.New("already started")
}
return nil
}
func (m *MockBackend) Stop(ctx context.Context) error {
if !m.started.CompareAndSwap(true, false) {
return errors.New("already stopped")
}
return nil
}
func (m *MockBackend) AddL2RPC(ctx context.Context, rpc string) error {
return nil
}
func (m *MockBackend) CheckMessage(identifier types.Identifier, payloadHash common.Hash) (types.SafetyLevel, error) {
return types.CrossUnsafe, nil
}
func (m *MockBackend) CheckMessages(messages []types.Message, minSafety types.SafetyLevel) error {
return nil
}
func (m *MockBackend) UnsafeView(ctx context.Context, chainID types.ChainID, unsafe types.ReferenceView) (types.ReferenceView, error) {
return types.ReferenceView{}, nil
}
func (m *MockBackend) SafeView(ctx context.Context, chainID types.ChainID, safe types.ReferenceView) (types.ReferenceView, error) {
return types.ReferenceView{}, nil
}
func (m *MockBackend) Finalized(ctx context.Context, chainID types.ChainID) (eth.BlockID, error) {
return eth.BlockID{}, nil
}
func (m *MockBackend) DerivedFrom(ctx context.Context, chainID types.ChainID, derived eth.BlockID) (derivedFrom eth.BlockID, err error) {
return eth.BlockID{}, nil
}
func (m *MockBackend) UpdateLocalUnsafe(chainID types.ChainID, head eth.BlockRef) error {
return nil
}
func (m *MockBackend) UpdateLocalSafe(chainID types.ChainID, derivedFrom eth.BlockRef, lastDerived eth.BlockRef) error {
return nil
}
func (m *MockBackend) UpdateFinalizedL1(chainID types.ChainID, finalized eth.BlockRef) error {
return nil
}
func (m *MockBackend) Close() error {
return nil
}