-
Notifications
You must be signed in to change notification settings - Fork 1.3k
/
multi.go
171 lines (134 loc) · 3.72 KB
/
multi.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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
package wallet
import (
"context"
"go.uber.org/fx"
"go.uber.org/multierr"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/crypto"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/chain/types"
ledgerwallet "github.com/filecoin-project/lotus/chain/wallet/ledger"
"github.com/filecoin-project/lotus/chain/wallet/remotewallet"
)
type MultiWallet struct {
fx.In // "constructed" with fx.In instead of normal constructor
Local *LocalWallet `optional:"true"`
Remote *remotewallet.RemoteWallet `optional:"true"`
Ledger *ledgerwallet.LedgerWallet `optional:"true"`
}
type getif interface {
api.Wallet
// workaround for the fact that iface(*struct(nil)) != nil
Get() api.Wallet
}
func firstNonNil(wallets ...getif) api.Wallet {
for _, w := range wallets {
if w.Get() != nil {
return w
}
}
return nil
}
func nonNil(wallets ...getif) []api.Wallet {
var out []api.Wallet
for _, w := range wallets {
if w.Get() == nil {
continue
}
out = append(out, w)
}
return out
}
func (m MultiWallet) find(ctx context.Context, address address.Address, wallets ...getif) (api.Wallet, error) {
ws := nonNil(wallets...)
var merr error
for _, w := range ws {
have, err := w.WalletHas(ctx, address)
merr = multierr.Append(merr, err)
if err == nil && have {
return w, nil
}
}
return nil, merr
}
func (m MultiWallet) WalletNew(ctx context.Context, keyType types.KeyType) (address.Address, error) {
var local getif = m.Local
if keyType == types.KTSecp256k1Ledger {
local = m.Ledger
}
w := firstNonNil(m.Remote, local)
if w == nil {
return address.Undef, xerrors.Errorf("no wallet backends supporting key type: %s", keyType)
}
return w.WalletNew(ctx, keyType)
}
func (m MultiWallet) WalletHas(ctx context.Context, address address.Address) (bool, error) {
w, err := m.find(ctx, address, m.Remote, m.Ledger, m.Local)
return w != nil, err
}
func (m MultiWallet) WalletList(ctx context.Context) ([]address.Address, error) {
out := make([]address.Address, 0)
seen := map[address.Address]struct{}{}
ws := nonNil(m.Remote, m.Ledger, m.Local)
for _, w := range ws {
l, err := w.WalletList(ctx)
if err != nil {
return nil, err
}
for _, a := range l {
if _, ok := seen[a]; ok {
continue
}
seen[a] = struct{}{}
out = append(out, a)
}
}
return out, nil
}
func (m MultiWallet) WalletSign(ctx context.Context, signer address.Address, toSign []byte, meta api.MsgMeta) (*crypto.Signature, error) {
w, err := m.find(ctx, signer, m.Remote, m.Ledger, m.Local)
if err != nil {
return nil, err
}
if w == nil {
return nil, xerrors.Errorf("key not found for %s", signer)
}
return w.WalletSign(ctx, signer, toSign, meta)
}
func (m MultiWallet) WalletExport(ctx context.Context, addr address.Address) (*types.KeyInfo, error) {
w, err := m.find(ctx, addr, m.Remote, m.Local)
if err != nil {
return nil, err
}
if w == nil {
return nil, xerrors.Errorf("key not found for %s", addr)
}
return w.WalletExport(ctx, addr)
}
func (m MultiWallet) WalletImport(ctx context.Context, info *types.KeyInfo) (address.Address, error) {
var local getif = m.Local
if info.Type == types.KTSecp256k1Ledger {
local = m.Ledger
}
w := firstNonNil(m.Remote, local)
if w == nil {
return address.Undef, xerrors.Errorf("no wallet backends configured")
}
return w.WalletImport(ctx, info)
}
func (m MultiWallet) WalletDelete(ctx context.Context, address address.Address) error {
for {
w, err := m.find(ctx, address, m.Remote, m.Ledger, m.Local)
if err != nil {
return err
}
if w == nil {
return nil
}
if err := w.WalletDelete(ctx, address); err != nil {
return err
}
}
}
var _ api.Wallet = MultiWallet{}