/
context.go
228 lines (196 loc) · 5.93 KB
/
context.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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
package context
import (
"bytes"
"fmt"
"io"
"os"
"path/filepath"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/x/auth"
"github.com/spf13/viper"
"github.com/cosmos/cosmos-sdk/client/keys"
cskeys "github.com/cosmos/cosmos-sdk/crypto/keys"
"github.com/cosmos/cosmos-sdk/types"
"github.com/tendermint/tendermint/libs/cli"
"github.com/tendermint/tendermint/libs/log"
tmlite "github.com/tendermint/tendermint/lite"
tmliteProxy "github.com/tendermint/tendermint/lite/proxy"
rpcclient "github.com/tendermint/tendermint/rpc/client"
)
const ctxAccStoreName = "acc"
var (
verifier tmlite.Verifier
)
// CLIContext implements a typical CLI context created in SDK modules for
// transaction handling and queries.
type CLIContext struct {
Codec *codec.Codec
AccDecoder auth.AccountDecoder
Client rpcclient.Client
Output io.Writer
Height int64
NodeURI string
From string
AccountStore string
TrustNode bool
UseLedger bool
Async bool
JSON bool
PrintResponse bool
Verifier tmlite.Verifier
DryRun bool
GenerateOnly bool
fromAddress types.AccAddress
fromName string
Indent bool
}
// NewCLIContext returns a new initialized CLIContext with parameters from the
// command line using Viper.
func NewCLIContext() CLIContext {
var rpc rpcclient.Client
nodeURI := viper.GetString(client.FlagNode)
if nodeURI != "" {
rpc = rpcclient.NewHTTP(nodeURI, "/websocket")
}
from := viper.GetString(client.FlagFrom)
fromAddress, fromName := fromFields(from)
// We need to use a single verifier for all contexts
if verifier == nil {
verifier = createVerifier()
}
return CLIContext{
Client: rpc,
Output: os.Stdout,
NodeURI: nodeURI,
AccountStore: ctxAccStoreName,
From: viper.GetString(client.FlagFrom),
Height: viper.GetInt64(client.FlagHeight),
TrustNode: viper.GetBool(client.FlagTrustNode),
UseLedger: viper.GetBool(client.FlagUseLedger),
Async: viper.GetBool(client.FlagAsync),
JSON: viper.GetBool(client.FlagJson),
PrintResponse: viper.GetBool(client.FlagPrintResponse),
Verifier: verifier,
DryRun: viper.GetBool(client.FlagDryRun),
GenerateOnly: viper.GetBool(client.FlagGenerateOnly),
fromAddress: fromAddress,
fromName: fromName,
Indent: viper.GetBool(client.FlagIndentResponse),
}
}
func createVerifier() tmlite.Verifier {
trustNodeDefined := viper.IsSet(client.FlagTrustNode)
if !trustNodeDefined {
return nil
}
trustNode := viper.GetBool(client.FlagTrustNode)
if trustNode {
return nil
}
chainID := viper.GetString(client.FlagChainID)
home := viper.GetString(cli.HomeFlag)
nodeURI := viper.GetString(client.FlagNode)
var errMsg bytes.Buffer
if chainID == "" {
errMsg.WriteString("--chain-id ")
}
if home == "" {
errMsg.WriteString("--home ")
}
if nodeURI == "" {
errMsg.WriteString("--node ")
}
if errMsg.Len() != 0 {
fmt.Printf("Must specify these options: %s when --trust-node is false\n", errMsg.String())
os.Exit(1)
}
node := rpcclient.NewHTTP(nodeURI, "/websocket")
verifier, err := tmliteProxy.NewVerifier(chainID, filepath.Join(home, ".gaialite"), node, log.NewNopLogger())
if err != nil {
fmt.Printf("Create verifier failed: %s\n", err.Error())
fmt.Printf("Please check network connection and verify the address of the node to connect to\n")
os.Exit(1)
}
return verifier
}
func fromFields(from string) (fromAddr types.AccAddress, fromName string) {
if from == "" {
return nil, ""
}
keybase, err := keys.GetKeyBase()
if err != nil {
fmt.Println("no keybase found")
os.Exit(1)
}
var info cskeys.Info
if addr, err := types.AccAddressFromBech32(from); err == nil {
info, err = keybase.GetByAddress(addr)
if err != nil {
fmt.Printf("could not find key %s\n", from)
os.Exit(1)
}
} else {
info, err = keybase.Get(from)
if err != nil {
fmt.Printf("could not find key %s\n", from)
os.Exit(1)
}
}
fromAddr = info.GetAddress()
fromName = info.GetName()
return
}
// WithCodec returns a copy of the context with an updated codec.
func (ctx CLIContext) WithCodec(cdc *codec.Codec) CLIContext {
ctx.Codec = cdc
return ctx
}
// WithAccountDecoder returns a copy of the context with an updated account
// decoder.
func (ctx CLIContext) WithAccountDecoder(decoder auth.AccountDecoder) CLIContext {
ctx.AccDecoder = decoder
return ctx
}
// WithOutput returns a copy of the context with an updated output writer (e.g. stdout).
func (ctx CLIContext) WithOutput(w io.Writer) CLIContext {
ctx.Output = w
return ctx
}
// WithAccountStore returns a copy of the context with an updated AccountStore.
func (ctx CLIContext) WithAccountStore(accountStore string) CLIContext {
ctx.AccountStore = accountStore
return ctx
}
// WithFrom returns a copy of the context with an updated from address or name.
func (ctx CLIContext) WithFrom(from string) CLIContext {
ctx.From = from
return ctx
}
// WithTrustNode returns a copy of the context with an updated TrustNode flag.
func (ctx CLIContext) WithTrustNode(trustNode bool) CLIContext {
ctx.TrustNode = trustNode
return ctx
}
// WithNodeURI returns a copy of the context with an updated node URI.
func (ctx CLIContext) WithNodeURI(nodeURI string) CLIContext {
ctx.NodeURI = nodeURI
ctx.Client = rpcclient.NewHTTP(nodeURI, "/websocket")
return ctx
}
// WithClient returns a copy of the context with an updated RPC client
// instance.
func (ctx CLIContext) WithClient(client rpcclient.Client) CLIContext {
ctx.Client = client
return ctx
}
// WithUseLedger returns a copy of the context with an updated UseLedger flag.
func (ctx CLIContext) WithUseLedger(useLedger bool) CLIContext {
ctx.UseLedger = useLedger
return ctx
}
// WithVerifier - return a copy of the context with an updated Verifier
func (ctx CLIContext) WithVerifier(verifier tmlite.Verifier) CLIContext {
ctx.Verifier = verifier
return ctx
}