forked from ethereum/go-ethereum
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathflags.go
1246 lines (1172 loc) · 40.2 KB
/
flags.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
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// Package utils contains internal helper functions for go-ethereum commands.
package utils
import (
"crypto/ecdsa"
"fmt"
"io/ioutil"
"math/big"
"os"
"path/filepath"
"runtime"
"strconv"
"strings"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/consensus/clique"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/dashboard"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/eth/gasprice"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethstats"
"github.com/ethereum/go-ethereum/les"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/p2p/discv5"
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/p2p/netutil"
"github.com/ethereum/go-ethereum/params"
whisper "github.com/ethereum/go-ethereum/whisper/whisperv5"
"gopkg.in/urfave/cli.v1"
)
var (
CommandHelpTemplate = `{{.cmd.Name}}{{if .cmd.Subcommands}} command{{end}}{{if .cmd.Flags}} [command options]{{end}} [arguments...]
{{if .cmd.Description}}{{.cmd.Description}}
{{end}}{{if .cmd.Subcommands}}
SUBCOMMANDS:
{{range .cmd.Subcommands}}{{.cmd.Name}}{{with .cmd.ShortName}}, {{.cmd}}{{end}}{{ "\t" }}{{.cmd.Usage}}
{{end}}{{end}}{{if .categorizedFlags}}
{{range $idx, $categorized := .categorizedFlags}}{{$categorized.Name}} OPTIONS:
{{range $categorized.Flags}}{{"\t"}}{{.}}
{{end}}
{{end}}{{end}}`
)
func init() {
cli.AppHelpTemplate = `{{.Name}} {{if .Flags}}[global options] {{end}}command{{if .Flags}} [command options]{{end}} [arguments...]
VERSION:
{{.Version}}
COMMANDS:
{{range .Commands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}}
{{end}}{{if .Flags}}
GLOBAL OPTIONS:
{{range .Flags}}{{.}}
{{end}}{{end}}
`
cli.CommandHelpTemplate = CommandHelpTemplate
}
// NewApp creates an app with sane defaults.
func NewApp(gitCommit, usage string) *cli.App {
app := cli.NewApp()
app.Name = filepath.Base(os.Args[0])
app.Author = ""
//app.Authors = nil
app.Email = ""
app.Version = params.Version
if gitCommit != "" {
app.Version += "-" + gitCommit[:8]
}
app.Usage = usage
return app
}
// These are all the command line flags we support.
// If you add to this list, please remember to include the
// flag in the appropriate command definition.
//
// The flags are defined here so their names and help texts
// are the same for all commands.
var (
// General settings
DataDirFlag = DirectoryFlag{
Name: "datadir",
Usage: "Data directory for the databases and keystore",
Value: DirectoryString{node.DefaultDataDir()},
}
KeyStoreDirFlag = DirectoryFlag{
Name: "keystore",
Usage: "Directory for the keystore (default = inside the datadir)",
}
NoUSBFlag = cli.BoolFlag{
Name: "nousb",
Usage: "Disables monitoring for and managing USB hardware wallets",
}
NetworkIdFlag = cli.Uint64Flag{
Name: "networkid",
Usage: "Network identifier (integer, 1=Frontier, 2=Morden (disused), 3=Ropsten, 4=Rinkeby)",
Value: eth.DefaultConfig.NetworkId,
}
TestnetFlag = cli.BoolFlag{
Name: "testnet",
Usage: "Ropsten network: pre-configured proof-of-work test network",
}
RinkebyFlag = cli.BoolFlag{
Name: "rinkeby",
Usage: "Rinkeby network: pre-configured proof-of-authority test network",
}
DeveloperFlag = cli.BoolFlag{
Name: "dev",
Usage: "Ephemeral proof-of-authority network with a pre-funded developer account, mining enabled",
}
DeveloperPeriodFlag = cli.IntFlag{
Name: "dev.period",
Usage: "Block period to use in developer mode (0 = mine only if transaction pending)",
}
IdentityFlag = cli.StringFlag{
Name: "identity",
Usage: "Custom node name",
}
DocRootFlag = DirectoryFlag{
Name: "docroot",
Usage: "Document Root for HTTPClient file scheme",
Value: DirectoryString{homeDir()},
}
FastSyncFlag = cli.BoolFlag{
Name: "fast",
Usage: "Enable fast syncing through state downloads",
}
LightModeFlag = cli.BoolFlag{
Name: "light",
Usage: "Enable light client mode",
}
defaultSyncMode = eth.DefaultConfig.SyncMode
SyncModeFlag = TextMarshalerFlag{
Name: "syncmode",
Usage: `Blockchain sync mode ("fast", "full", or "light")`,
Value: &defaultSyncMode,
}
LightServFlag = cli.IntFlag{
Name: "lightserv",
Usage: "Maximum percentage of time allowed for serving LES requests (0-90)",
Value: 0,
}
LightPeersFlag = cli.IntFlag{
Name: "lightpeers",
Usage: "Maximum number of LES client peers",
Value: 20,
}
LightKDFFlag = cli.BoolFlag{
Name: "lightkdf",
Usage: "Reduce key-derivation RAM & CPU usage at some expense of KDF strength",
}
// Dashboard settings
DashboardEnabledFlag = cli.BoolFlag{
Name: "dashboard",
Usage: "Enable the dashboard",
}
DashboardAddrFlag = cli.StringFlag{
Name: "dashboard.addr",
Usage: "Dashboard listening interface",
Value: dashboard.DefaultConfig.Host,
}
DashboardPortFlag = cli.IntFlag{
Name: "dashboard.host",
Usage: "Dashboard listening port",
Value: dashboard.DefaultConfig.Port,
}
DashboardRefreshFlag = cli.DurationFlag{
Name: "dashboard.refresh",
Usage: "Dashboard metrics collection refresh rate",
Value: dashboard.DefaultConfig.Refresh,
}
DashboardAssetsFlag = cli.StringFlag{
Name: "dashboard.assets",
Usage: "Developer flag to serve the dashboard from the local file system",
Value: dashboard.DefaultConfig.Assets,
}
// Ethash settings
EthashCacheDirFlag = DirectoryFlag{
Name: "ethash.cachedir",
Usage: "Directory to store the ethash verification caches (default = inside the datadir)",
}
EthashCachesInMemoryFlag = cli.IntFlag{
Name: "ethash.cachesinmem",
Usage: "Number of recent ethash caches to keep in memory (16MB each)",
Value: eth.DefaultConfig.Ethash.CachesInMem,
}
EthashCachesOnDiskFlag = cli.IntFlag{
Name: "ethash.cachesondisk",
Usage: "Number of recent ethash caches to keep on disk (16MB each)",
Value: eth.DefaultConfig.Ethash.CachesOnDisk,
}
EthashDatasetDirFlag = DirectoryFlag{
Name: "ethash.dagdir",
Usage: "Directory to store the ethash mining DAGs (default = inside home folder)",
Value: DirectoryString{eth.DefaultConfig.Ethash.DatasetDir},
}
EthashDatasetsInMemoryFlag = cli.IntFlag{
Name: "ethash.dagsinmem",
Usage: "Number of recent ethash mining DAGs to keep in memory (1+GB each)",
Value: eth.DefaultConfig.Ethash.DatasetsInMem,
}
EthashDatasetsOnDiskFlag = cli.IntFlag{
Name: "ethash.dagsondisk",
Usage: "Number of recent ethash mining DAGs to keep on disk (1+GB each)",
Value: eth.DefaultConfig.Ethash.DatasetsOnDisk,
}
// Transaction pool settings
TxPoolNoLocalsFlag = cli.BoolFlag{
Name: "txpool.nolocals",
Usage: "Disables price exemptions for locally submitted transactions",
}
TxPoolJournalFlag = cli.StringFlag{
Name: "txpool.journal",
Usage: "Disk journal for local transaction to survive node restarts",
Value: core.DefaultTxPoolConfig.Journal,
}
TxPoolRejournalFlag = cli.DurationFlag{
Name: "txpool.rejournal",
Usage: "Time interval to regenerate the local transaction journal",
Value: core.DefaultTxPoolConfig.Rejournal,
}
TxPoolPriceLimitFlag = cli.Uint64Flag{
Name: "txpool.pricelimit",
Usage: "Minimum gas price limit to enforce for acceptance into the pool",
Value: eth.DefaultConfig.TxPool.PriceLimit,
}
TxPoolPriceBumpFlag = cli.Uint64Flag{
Name: "txpool.pricebump",
Usage: "Price bump percentage to replace an already existing transaction",
Value: eth.DefaultConfig.TxPool.PriceBump,
}
TxPoolAccountSlotsFlag = cli.Uint64Flag{
Name: "txpool.accountslots",
Usage: "Minimum number of executable transaction slots guaranteed per account",
Value: eth.DefaultConfig.TxPool.AccountSlots,
}
TxPoolGlobalSlotsFlag = cli.Uint64Flag{
Name: "txpool.globalslots",
Usage: "Maximum number of executable transaction slots for all accounts",
Value: eth.DefaultConfig.TxPool.GlobalSlots,
}
TxPoolAccountQueueFlag = cli.Uint64Flag{
Name: "txpool.accountqueue",
Usage: "Maximum number of non-executable transaction slots permitted per account",
Value: eth.DefaultConfig.TxPool.AccountQueue,
}
TxPoolGlobalQueueFlag = cli.Uint64Flag{
Name: "txpool.globalqueue",
Usage: "Maximum number of non-executable transaction slots for all accounts",
Value: eth.DefaultConfig.TxPool.GlobalQueue,
}
TxPoolLifetimeFlag = cli.DurationFlag{
Name: "txpool.lifetime",
Usage: "Maximum amount of time non-executable transaction are queued",
Value: eth.DefaultConfig.TxPool.Lifetime,
}
// Performance tuning settings
CacheFlag = cli.IntFlag{
Name: "cache",
Usage: "Megabytes of memory allocated to internal caching (min 16MB / database forced)",
Value: 128,
}
TrieCacheGenFlag = cli.IntFlag{
Name: "trie-cache-gens",
Usage: "Number of trie node generations to keep in memory",
Value: int(state.MaxTrieCacheGen),
}
// Miner settings
MiningEnabledFlag = cli.BoolFlag{
Name: "mine",
Usage: "Enable mining",
}
MinerThreadsFlag = cli.IntFlag{
Name: "minerthreads",
Usage: "Number of CPU threads to use for mining",
Value: runtime.NumCPU(),
}
TargetGasLimitFlag = cli.Uint64Flag{
Name: "targetgaslimit",
Usage: "Target gas limit sets the artificial target gas floor for the blocks to mine",
Value: params.GenesisGasLimit.Uint64(),
}
EtherbaseFlag = cli.StringFlag{
Name: "etherbase",
Usage: "Public address for block mining rewards (default = first account created)",
Value: "0",
}
GasPriceFlag = BigFlag{
Name: "gasprice",
Usage: "Minimal gas price to accept for mining a transactions",
Value: eth.DefaultConfig.GasPrice,
}
ExtraDataFlag = cli.StringFlag{
Name: "extradata",
Usage: "Block extra data set by the miner (default = client version)",
}
// Account settings
UnlockedAccountFlag = cli.StringFlag{
Name: "unlock",
Usage: "Comma separated list of accounts to unlock",
Value: "",
}
PasswordFileFlag = cli.StringFlag{
Name: "password",
Usage: "Password file to use for non-interactive password input",
Value: "",
}
VMEnableDebugFlag = cli.BoolFlag{
Name: "vmdebug",
Usage: "Record information useful for VM and contract debugging",
}
// Logging and debug settings
EthStatsURLFlag = cli.StringFlag{
Name: "ethstats",
Usage: "Reporting URL of a ethstats service (nodename:secret@host:port)",
}
MetricsEnabledFlag = cli.BoolFlag{
Name: metrics.MetricsEnabledFlag,
Usage: "Enable metrics collection and reporting",
}
FakePoWFlag = cli.BoolFlag{
Name: "fakepow",
Usage: "Disables proof-of-work verification",
}
NoCompactionFlag = cli.BoolFlag{
Name: "nocompaction",
Usage: "Disables db compaction after import",
}
// RPC settings
RPCEnabledFlag = cli.BoolFlag{
Name: "rpc",
Usage: "Enable the HTTP-RPC server",
}
RPCListenAddrFlag = cli.StringFlag{
Name: "rpcaddr",
Usage: "HTTP-RPC server listening interface",
Value: node.DefaultHTTPHost,
}
RPCPortFlag = cli.IntFlag{
Name: "rpcport",
Usage: "HTTP-RPC server listening port",
Value: node.DefaultHTTPPort,
}
RPCCORSDomainFlag = cli.StringFlag{
Name: "rpccorsdomain",
Usage: "Comma separated list of domains from which to accept cross origin requests (browser enforced)",
Value: "",
}
RPCApiFlag = cli.StringFlag{
Name: "rpcapi",
Usage: "API's offered over the HTTP-RPC interface",
Value: "",
}
IPCDisabledFlag = cli.BoolFlag{
Name: "ipcdisable",
Usage: "Disable the IPC-RPC server",
}
IPCPathFlag = DirectoryFlag{
Name: "ipcpath",
Usage: "Filename for IPC socket/pipe within the datadir (explicit paths escape it)",
}
WSEnabledFlag = cli.BoolFlag{
Name: "ws",
Usage: "Enable the WS-RPC server",
}
WSListenAddrFlag = cli.StringFlag{
Name: "wsaddr",
Usage: "WS-RPC server listening interface",
Value: node.DefaultWSHost,
}
WSPortFlag = cli.IntFlag{
Name: "wsport",
Usage: "WS-RPC server listening port",
Value: node.DefaultWSPort,
}
WSApiFlag = cli.StringFlag{
Name: "wsapi",
Usage: "API's offered over the WS-RPC interface",
Value: "",
}
WSAllowedOriginsFlag = cli.StringFlag{
Name: "wsorigins",
Usage: "Origins from which to accept websockets requests",
Value: "",
}
ExecFlag = cli.StringFlag{
Name: "exec",
Usage: "Execute JavaScript statement",
}
PreloadJSFlag = cli.StringFlag{
Name: "preload",
Usage: "Comma separated list of JavaScript files to preload into the console",
}
// Network Settings
MaxPeersFlag = cli.IntFlag{
Name: "maxpeers",
Usage: "Maximum number of network peers (network disabled if set to 0)",
Value: 25,
}
MaxPendingPeersFlag = cli.IntFlag{
Name: "maxpendpeers",
Usage: "Maximum number of pending connection attempts (defaults used if set to 0)",
Value: 0,
}
ListenPortFlag = cli.IntFlag{
Name: "port",
Usage: "Network listening port",
Value: 30303,
}
BootnodesFlag = cli.StringFlag{
Name: "bootnodes",
Usage: "Comma separated enode URLs for P2P discovery bootstrap (set v4+v5 instead for light servers)",
Value: "",
}
BootnodesV4Flag = cli.StringFlag{
Name: "bootnodesv4",
Usage: "Comma separated enode URLs for P2P v4 discovery bootstrap (light server, full nodes)",
Value: "",
}
BootnodesV5Flag = cli.StringFlag{
Name: "bootnodesv5",
Usage: "Comma separated enode URLs for P2P v5 discovery bootstrap (light server, light nodes)",
Value: "",
}
NodeKeyFileFlag = cli.StringFlag{
Name: "nodekey",
Usage: "P2P node key file",
}
NodeKeyHexFlag = cli.StringFlag{
Name: "nodekeyhex",
Usage: "P2P node key as hex (for testing)",
}
NATFlag = cli.StringFlag{
Name: "nat",
Usage: "NAT port mapping mechanism (any|none|upnp|pmp|extip:<IP>)",
Value: "any",
}
NoDiscoverFlag = cli.BoolFlag{
Name: "nodiscover",
Usage: "Disables the peer discovery mechanism (manual peer addition)",
}
DiscoveryV5Flag = cli.BoolFlag{
Name: "v5disc",
Usage: "Enables the experimental RLPx V5 (Topic Discovery) mechanism",
}
NetrestrictFlag = cli.StringFlag{
Name: "netrestrict",
Usage: "Restricts network communication to the given IP networks (CIDR masks)",
}
// ATM the url is left to the user and deployment to
JSpathFlag = cli.StringFlag{
Name: "jspath",
Usage: "JavaScript root path for `loadScript`",
Value: ".",
}
// Gas price oracle settings
GpoBlocksFlag = cli.IntFlag{
Name: "gpoblocks",
Usage: "Number of recent blocks to check for gas prices",
Value: eth.DefaultConfig.GPO.Blocks,
}
GpoPercentileFlag = cli.IntFlag{
Name: "gpopercentile",
Usage: "Suggested gas price is the given percentile of a set of recent transaction gas prices",
Value: eth.DefaultConfig.GPO.Percentile,
}
WhisperEnabledFlag = cli.BoolFlag{
Name: "shh",
Usage: "Enable Whisper",
}
WhisperMaxMessageSizeFlag = cli.IntFlag{
Name: "shh.maxmessagesize",
Usage: "Max message size accepted",
Value: int(whisper.DefaultMaxMessageSize),
}
WhisperMinPOWFlag = cli.Float64Flag{
Name: "shh.pow",
Usage: "Minimum POW accepted",
Value: whisper.DefaultMinimumPoW,
}
)
// MakeDataDir retrieves the currently requested data directory, terminating
// if none (or the empty string) is specified. If the node is starting a testnet,
// the a subdirectory of the specified datadir will be used.
func MakeDataDir(ctx *cli.Context) string {
if path := ctx.GlobalString(DataDirFlag.Name); path != "" {
if ctx.GlobalBool(TestnetFlag.Name) {
return filepath.Join(path, "testnet")
}
if ctx.GlobalBool(RinkebyFlag.Name) {
return filepath.Join(path, "rinkeby")
}
return path
}
Fatalf("Cannot determine default data directory, please set manually (--datadir)")
return ""
}
// setNodeKey creates a node key from set command line flags, either loading it
// from a file or as a specified hex value. If neither flags were provided, this
// method returns nil and an emphemeral key is to be generated.
func setNodeKey(ctx *cli.Context, cfg *p2p.Config) {
var (
hex = ctx.GlobalString(NodeKeyHexFlag.Name)
file = ctx.GlobalString(NodeKeyFileFlag.Name)
key *ecdsa.PrivateKey
err error
)
switch {
case file != "" && hex != "":
Fatalf("Options %q and %q are mutually exclusive", NodeKeyFileFlag.Name, NodeKeyHexFlag.Name)
case file != "":
if key, err = crypto.LoadECDSA(file); err != nil {
Fatalf("Option %q: %v", NodeKeyFileFlag.Name, err)
}
cfg.PrivateKey = key
case hex != "":
if key, err = crypto.HexToECDSA(hex); err != nil {
Fatalf("Option %q: %v", NodeKeyHexFlag.Name, err)
}
cfg.PrivateKey = key
}
}
// setNodeUserIdent creates the user identifier from CLI flags.
func setNodeUserIdent(ctx *cli.Context, cfg *node.Config) {
if identity := ctx.GlobalString(IdentityFlag.Name); len(identity) > 0 {
cfg.UserIdent = identity
}
}
// setBootstrapNodes creates a list of bootstrap nodes from the command line
// flags, reverting to pre-configured ones if none have been specified.
func setBootstrapNodes(ctx *cli.Context, cfg *p2p.Config) {
urls := params.MainnetBootnodes
switch {
case ctx.GlobalIsSet(BootnodesFlag.Name) || ctx.GlobalIsSet(BootnodesV4Flag.Name):
if ctx.GlobalIsSet(BootnodesV4Flag.Name) {
urls = strings.Split(ctx.GlobalString(BootnodesV4Flag.Name), ",")
} else {
urls = strings.Split(ctx.GlobalString(BootnodesFlag.Name), ",")
}
case ctx.GlobalBool(TestnetFlag.Name):
urls = params.TestnetBootnodes
case ctx.GlobalBool(RinkebyFlag.Name):
urls = params.RinkebyBootnodes
case cfg.BootstrapNodes != nil:
return // already set, don't apply defaults.
}
cfg.BootstrapNodes = make([]*discover.Node, 0, len(urls))
for _, url := range urls {
node, err := discover.ParseNode(url)
if err != nil {
log.Error("Bootstrap URL invalid", "enode", url, "err", err)
continue
}
cfg.BootstrapNodes = append(cfg.BootstrapNodes, node)
}
}
// setBootstrapNodesV5 creates a list of bootstrap nodes from the command line
// flags, reverting to pre-configured ones if none have been specified.
func setBootstrapNodesV5(ctx *cli.Context, cfg *p2p.Config) {
urls := params.DiscoveryV5Bootnodes
switch {
case ctx.GlobalIsSet(BootnodesFlag.Name) || ctx.GlobalIsSet(BootnodesV5Flag.Name):
if ctx.GlobalIsSet(BootnodesV5Flag.Name) {
urls = strings.Split(ctx.GlobalString(BootnodesV5Flag.Name), ",")
} else {
urls = strings.Split(ctx.GlobalString(BootnodesFlag.Name), ",")
}
case ctx.GlobalBool(RinkebyFlag.Name):
urls = params.RinkebyV5Bootnodes
case cfg.BootstrapNodesV5 != nil:
return // already set, don't apply defaults.
}
cfg.BootstrapNodesV5 = make([]*discv5.Node, 0, len(urls))
for _, url := range urls {
node, err := discv5.ParseNode(url)
if err != nil {
log.Error("Bootstrap URL invalid", "enode", url, "err", err)
continue
}
cfg.BootstrapNodesV5 = append(cfg.BootstrapNodesV5, node)
}
}
// setListenAddress creates a TCP listening address string from set command
// line flags.
func setListenAddress(ctx *cli.Context, cfg *p2p.Config) {
if ctx.GlobalIsSet(ListenPortFlag.Name) {
cfg.ListenAddr = fmt.Sprintf(":%d", ctx.GlobalInt(ListenPortFlag.Name))
}
}
// setDiscoveryV5Address creates a UDP listening address string from set command
// line flags for the V5 discovery protocol.
func setDiscoveryV5Address(ctx *cli.Context, cfg *p2p.Config) {
if ctx.GlobalIsSet(ListenPortFlag.Name) {
cfg.DiscoveryV5Addr = fmt.Sprintf(":%d", ctx.GlobalInt(ListenPortFlag.Name)+1)
}
}
// setNAT creates a port mapper from command line flags.
func setNAT(ctx *cli.Context, cfg *p2p.Config) {
if ctx.GlobalIsSet(NATFlag.Name) {
natif, err := nat.Parse(ctx.GlobalString(NATFlag.Name))
if err != nil {
Fatalf("Option %s: %v", NATFlag.Name, err)
}
cfg.NAT = natif
}
}
// splitAndTrim splits input separated by a comma
// and trims excessive white space from the substrings.
func splitAndTrim(input string) []string {
result := strings.Split(input, ",")
for i, r := range result {
result[i] = strings.TrimSpace(r)
}
return result
}
// setHTTP creates the HTTP RPC listener interface string from the set
// command line flags, returning empty if the HTTP endpoint is disabled.
func setHTTP(ctx *cli.Context, cfg *node.Config) {
if ctx.GlobalBool(RPCEnabledFlag.Name) && cfg.HTTPHost == "" {
cfg.HTTPHost = "127.0.0.1"
if ctx.GlobalIsSet(RPCListenAddrFlag.Name) {
cfg.HTTPHost = ctx.GlobalString(RPCListenAddrFlag.Name)
}
}
if ctx.GlobalIsSet(RPCPortFlag.Name) {
cfg.HTTPPort = ctx.GlobalInt(RPCPortFlag.Name)
}
if ctx.GlobalIsSet(RPCCORSDomainFlag.Name) {
cfg.HTTPCors = splitAndTrim(ctx.GlobalString(RPCCORSDomainFlag.Name))
}
if ctx.GlobalIsSet(RPCApiFlag.Name) {
cfg.HTTPModules = splitAndTrim(ctx.GlobalString(RPCApiFlag.Name))
}
}
// setWS creates the WebSocket RPC listener interface string from the set
// command line flags, returning empty if the HTTP endpoint is disabled.
func setWS(ctx *cli.Context, cfg *node.Config) {
if ctx.GlobalBool(WSEnabledFlag.Name) && cfg.WSHost == "" {
cfg.WSHost = "127.0.0.1"
if ctx.GlobalIsSet(WSListenAddrFlag.Name) {
cfg.WSHost = ctx.GlobalString(WSListenAddrFlag.Name)
}
}
if ctx.GlobalIsSet(WSPortFlag.Name) {
cfg.WSPort = ctx.GlobalInt(WSPortFlag.Name)
}
if ctx.GlobalIsSet(WSAllowedOriginsFlag.Name) {
cfg.WSOrigins = splitAndTrim(ctx.GlobalString(WSAllowedOriginsFlag.Name))
}
if ctx.GlobalIsSet(WSApiFlag.Name) {
cfg.WSModules = splitAndTrim(ctx.GlobalString(WSApiFlag.Name))
}
}
// setIPC creates an IPC path configuration from the set command line flags,
// returning an empty string if IPC was explicitly disabled, or the set path.
func setIPC(ctx *cli.Context, cfg *node.Config) {
checkExclusive(ctx, IPCDisabledFlag, IPCPathFlag)
switch {
case ctx.GlobalBool(IPCDisabledFlag.Name):
cfg.IPCPath = ""
case ctx.GlobalIsSet(IPCPathFlag.Name):
cfg.IPCPath = ctx.GlobalString(IPCPathFlag.Name)
}
}
// makeDatabaseHandles raises out the number of allowed file handles per process
// for Geth and returns half of the allowance to assign to the database.
func makeDatabaseHandles() int {
if err := raiseFdLimit(2048); err != nil {
Fatalf("Failed to raise file descriptor allowance: %v", err)
}
limit, err := getFdLimit()
if err != nil {
Fatalf("Failed to retrieve file descriptor allowance: %v", err)
}
if limit > 2048 { // cap database file descriptors even if more is available
limit = 2048
}
return limit / 2 // Leave half for networking and other stuff
}
// MakeAddress converts an account specified directly as a hex encoded string or
// a key index in the key store to an internal account representation.
func MakeAddress(ks *keystore.KeyStore, account string) (accounts.Account, error) {
// If the specified account is a valid address, return it
if common.IsHexAddress(account) {
return accounts.Account{Address: common.HexToAddress(account)}, nil
}
// Otherwise try to interpret the account as a keystore index
index, err := strconv.Atoi(account)
if err != nil || index < 0 {
return accounts.Account{}, fmt.Errorf("invalid account address or index %q", account)
}
log.Warn("-------------------------------------------------------------------")
log.Warn("Referring to accounts by order in the keystore folder is dangerous!")
log.Warn("This functionality is deprecated and will be removed in the future!")
log.Warn("Please use explicit addresses! (can search via `geth account list`)")
log.Warn("-------------------------------------------------------------------")
accs := ks.Accounts()
if len(accs) <= index {
return accounts.Account{}, fmt.Errorf("index %d higher than number of accounts %d", index, len(accs))
}
return accs[index], nil
}
// setEtherbase retrieves the etherbase either from the directly specified
// command line flags or from the keystore if CLI indexed.
func setEtherbase(ctx *cli.Context, ks *keystore.KeyStore, cfg *eth.Config) {
if ctx.GlobalIsSet(EtherbaseFlag.Name) {
account, err := MakeAddress(ks, ctx.GlobalString(EtherbaseFlag.Name))
if err != nil {
Fatalf("Option %q: %v", EtherbaseFlag.Name, err)
}
cfg.Etherbase = account.Address
}
}
// MakePasswordList reads password lines from the file specified by the global --password flag.
func MakePasswordList(ctx *cli.Context) []string {
path := ctx.GlobalString(PasswordFileFlag.Name)
if path == "" {
return nil
}
text, err := ioutil.ReadFile(path)
if err != nil {
Fatalf("Failed to read password file: %v", err)
}
lines := strings.Split(string(text), "\n")
// Sanitise DOS line endings.
for i := range lines {
lines[i] = strings.TrimRight(lines[i], "\r")
}
return lines
}
func SetP2PConfig(ctx *cli.Context, cfg *p2p.Config) {
setNodeKey(ctx, cfg)
setNAT(ctx, cfg)
setListenAddress(ctx, cfg)
setDiscoveryV5Address(ctx, cfg)
setBootstrapNodes(ctx, cfg)
setBootstrapNodesV5(ctx, cfg)
if ctx.GlobalIsSet(MaxPeersFlag.Name) {
cfg.MaxPeers = ctx.GlobalInt(MaxPeersFlag.Name)
}
if ctx.GlobalIsSet(MaxPendingPeersFlag.Name) {
cfg.MaxPendingPeers = ctx.GlobalInt(MaxPendingPeersFlag.Name)
}
if ctx.GlobalIsSet(NoDiscoverFlag.Name) || ctx.GlobalBool(LightModeFlag.Name) {
cfg.NoDiscovery = true
}
// if we're running a light client or server, force enable the v5 peer discovery
// unless it is explicitly disabled with --nodiscover note that explicitly specifying
// --v5disc overrides --nodiscover, in which case the later only disables v4 discovery
forceV5Discovery := (ctx.GlobalBool(LightModeFlag.Name) || ctx.GlobalInt(LightServFlag.Name) > 0) && !ctx.GlobalBool(NoDiscoverFlag.Name)
if ctx.GlobalIsSet(DiscoveryV5Flag.Name) {
cfg.DiscoveryV5 = ctx.GlobalBool(DiscoveryV5Flag.Name)
} else if forceV5Discovery {
cfg.DiscoveryV5 = true
}
if netrestrict := ctx.GlobalString(NetrestrictFlag.Name); netrestrict != "" {
list, err := netutil.ParseNetlist(netrestrict)
if err != nil {
Fatalf("Option %q: %v", NetrestrictFlag.Name, err)
}
cfg.NetRestrict = list
}
if ctx.GlobalBool(DeveloperFlag.Name) {
// --dev mode can't use p2p networking.
cfg.MaxPeers = 0
cfg.ListenAddr = ":0"
cfg.DiscoveryV5Addr = ":0"
cfg.NoDiscovery = true
cfg.DiscoveryV5 = false
}
}
// SetNodeConfig applies node-related command line flags to the config.
func SetNodeConfig(ctx *cli.Context, cfg *node.Config) {
SetP2PConfig(ctx, &cfg.P2P)
setIPC(ctx, cfg)
setHTTP(ctx, cfg)
setWS(ctx, cfg)
setNodeUserIdent(ctx, cfg)
switch {
case ctx.GlobalIsSet(DataDirFlag.Name):
cfg.DataDir = ctx.GlobalString(DataDirFlag.Name)
case ctx.GlobalBool(DeveloperFlag.Name):
cfg.DataDir = "" // unless explicitly requested, use memory databases
case ctx.GlobalBool(TestnetFlag.Name):
cfg.DataDir = filepath.Join(node.DefaultDataDir(), "testnet")
case ctx.GlobalBool(RinkebyFlag.Name):
cfg.DataDir = filepath.Join(node.DefaultDataDir(), "rinkeby")
}
if ctx.GlobalIsSet(KeyStoreDirFlag.Name) {
cfg.KeyStoreDir = ctx.GlobalString(KeyStoreDirFlag.Name)
}
if ctx.GlobalIsSet(LightKDFFlag.Name) {
cfg.UseLightweightKDF = ctx.GlobalBool(LightKDFFlag.Name)
}
if ctx.GlobalIsSet(NoUSBFlag.Name) {
cfg.NoUSB = ctx.GlobalBool(NoUSBFlag.Name)
}
}
func setGPO(ctx *cli.Context, cfg *gasprice.Config) {
if ctx.GlobalIsSet(GpoBlocksFlag.Name) {
cfg.Blocks = ctx.GlobalInt(GpoBlocksFlag.Name)
}
if ctx.GlobalIsSet(GpoPercentileFlag.Name) {
cfg.Percentile = ctx.GlobalInt(GpoPercentileFlag.Name)
}
}
func setTxPool(ctx *cli.Context, cfg *core.TxPoolConfig) {
if ctx.GlobalIsSet(TxPoolNoLocalsFlag.Name) {
cfg.NoLocals = ctx.GlobalBool(TxPoolNoLocalsFlag.Name)
}
if ctx.GlobalIsSet(TxPoolJournalFlag.Name) {
cfg.Journal = ctx.GlobalString(TxPoolJournalFlag.Name)
}
if ctx.GlobalIsSet(TxPoolRejournalFlag.Name) {
cfg.Rejournal = ctx.GlobalDuration(TxPoolRejournalFlag.Name)
}
if ctx.GlobalIsSet(TxPoolPriceLimitFlag.Name) {
cfg.PriceLimit = ctx.GlobalUint64(TxPoolPriceLimitFlag.Name)
}
if ctx.GlobalIsSet(TxPoolPriceBumpFlag.Name) {
cfg.PriceBump = ctx.GlobalUint64(TxPoolPriceBumpFlag.Name)
}
if ctx.GlobalIsSet(TxPoolAccountSlotsFlag.Name) {
cfg.AccountSlots = ctx.GlobalUint64(TxPoolAccountSlotsFlag.Name)
}
if ctx.GlobalIsSet(TxPoolGlobalSlotsFlag.Name) {
cfg.GlobalSlots = ctx.GlobalUint64(TxPoolGlobalSlotsFlag.Name)
}
if ctx.GlobalIsSet(TxPoolAccountQueueFlag.Name) {
cfg.AccountQueue = ctx.GlobalUint64(TxPoolAccountQueueFlag.Name)
}
if ctx.GlobalIsSet(TxPoolGlobalQueueFlag.Name) {
cfg.GlobalQueue = ctx.GlobalUint64(TxPoolGlobalQueueFlag.Name)
}
if ctx.GlobalIsSet(TxPoolLifetimeFlag.Name) {
cfg.Lifetime = ctx.GlobalDuration(TxPoolLifetimeFlag.Name)
}
}
func setEthash(ctx *cli.Context, cfg *eth.Config) {
if ctx.GlobalIsSet(EthashCacheDirFlag.Name) {
cfg.Ethash.CacheDir = ctx.GlobalString(EthashCacheDirFlag.Name)
}
if ctx.GlobalIsSet(EthashDatasetDirFlag.Name) {
cfg.Ethash.DatasetDir = ctx.GlobalString(EthashDatasetDirFlag.Name)
}
if ctx.GlobalIsSet(EthashCachesInMemoryFlag.Name) {
cfg.Ethash.CachesInMem = ctx.GlobalInt(EthashCachesInMemoryFlag.Name)
}
if ctx.GlobalIsSet(EthashCachesOnDiskFlag.Name) {
cfg.Ethash.CachesOnDisk = ctx.GlobalInt(EthashCachesOnDiskFlag.Name)
}
if ctx.GlobalIsSet(EthashDatasetsInMemoryFlag.Name) {
cfg.Ethash.DatasetsInMem = ctx.GlobalInt(EthashDatasetsInMemoryFlag.Name)
}
if ctx.GlobalIsSet(EthashDatasetsOnDiskFlag.Name) {
cfg.Ethash.DatasetsOnDisk = ctx.GlobalInt(EthashDatasetsOnDiskFlag.Name)
}
}
// checkExclusive verifies that only a single isntance of the provided flags was
// set by the user. Each flag might optionally be followed by a string type to
// specialize it further.
func checkExclusive(ctx *cli.Context, args ...interface{}) {
set := make([]string, 0, 1)
for i := 0; i < len(args); i++ {
// Make sure the next argument is a flag and skip if not set
flag, ok := args[i].(cli.Flag)
if !ok {
panic(fmt.Sprintf("invalid argument, not cli.Flag type: %T", args[i]))
}
// Check if next arg extends current and expand its name if so
name := flag.GetName()
if i+1 < len(args) {
switch option := args[i+1].(type) {
case string:
// Extended flag, expand the name and shift the arguments
if ctx.GlobalString(flag.GetName()) == option {
name += "=" + option
}
i++
case cli.Flag:
default:
panic(fmt.Sprintf("invalid argument, not cli.Flag or string extension: %T", args[i+1]))
}
}
// Mark the flag if it's set
if ctx.GlobalIsSet(flag.GetName()) {
set = append(set, "--"+name)
}
}
if len(set) > 1 {
Fatalf("Flags %v can't be used at the same time", strings.Join(set, ", "))
}
}
// SetShhConfig applies shh-related command line flags to the config.
func SetShhConfig(ctx *cli.Context, stack *node.Node, cfg *whisper.Config) {
if ctx.GlobalIsSet(WhisperMaxMessageSizeFlag.Name) {
cfg.MaxMessageSize = uint32(ctx.GlobalUint(WhisperMaxMessageSizeFlag.Name))
}
if ctx.GlobalIsSet(WhisperMinPOWFlag.Name) {
cfg.MinimumAcceptedPOW = ctx.GlobalFloat64(WhisperMinPOWFlag.Name)
}
}
// SetEthConfig applies eth-related command line flags to the config.
func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
// Avoid conflicting network flags
checkExclusive(ctx, DeveloperFlag, TestnetFlag, RinkebyFlag)
checkExclusive(ctx, FastSyncFlag, LightModeFlag, SyncModeFlag)
checkExclusive(ctx, LightServFlag, LightModeFlag)
checkExclusive(ctx, LightServFlag, SyncModeFlag, "light")
ks := stack.AccountManager().Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
setEtherbase(ctx, ks, cfg)
setGPO(ctx, &cfg.GPO)
setTxPool(ctx, &cfg.TxPool)
setEthash(ctx, cfg)
switch {
case ctx.GlobalIsSet(SyncModeFlag.Name):
cfg.SyncMode = *GlobalTextMarshaler(ctx, SyncModeFlag.Name).(*downloader.SyncMode)
case ctx.GlobalBool(FastSyncFlag.Name):
cfg.SyncMode = downloader.FastSync
case ctx.GlobalBool(LightModeFlag.Name):
cfg.SyncMode = downloader.LightSync
}