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developer: add --dev-force-privkey to allow setting a specific node key.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2019-07-17 07:10:14 +09:30
committed by neil saitug
parent fb6870c139
commit 07adb7efd6
6 changed files with 48 additions and 2 deletions
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8
lightningd/hsm_control.c
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@@ -94,7 +94,13 @@ void hsm_init(struct lightningd *ld)
ld->hsm_fd = fds[0];
if (!wire_sync_write(ld->hsm_fd, towire_hsm_init(tmpctx,
&ld->topology->bitcoind->chainparams->bip32_key_version)))
&ld->topology->bitcoind->chainparams->bip32_key_version,
#if DEVELOPER
ld->dev_force_privkey
#else
NULL
#endif
)))
err(1, "Writing init msg to hsm");
ld->wallet->bip32_base = tal(ld->wallet, struct ext_key);

1
lightningd/lightningd.c
View File

@@ -118,6 +118,7 @@ static struct lightningd *new_lightningd(const tal_t *ctx)
ld->dev_subdaemon_fail = false;
ld->dev_allow_localhost = false;
ld->dev_gossip_time = 0;
ld->dev_force_privkey = NULL;
#endif
/*~ These are CCAN lists: an embedded double-linked list. It's not

3
lightningd/lightningd.h
View File

@@ -205,6 +205,9 @@ struct lightningd {
/* Things we've marked as not leaking. */
const void **notleaks;
/* This is the forced private key for the node. */
struct privkey *dev_force_privkey;
#endif /* DEVELOPER */
/* tor support */

13
lightningd/options.c
View File

@@ -7,6 +7,7 @@
#include <ccan/opt/private.h>
#include <ccan/read_write_all/read_write_all.h>
#include <ccan/short_types/short_types.h>
#include <ccan/str/hex/hex.h>
#include <ccan/tal/grab_file/grab_file.h>
#include <ccan/tal/path/path.h>
#include <ccan/tal/str/str.h>
@@ -438,6 +439,16 @@ static char *opt_subprocess_debug(const char *optarg, struct lightningd *ld)
return NULL;
}
static char *opt_force_privkey(const char *optarg, struct lightningd *ld)
{
tal_free(ld->dev_force_privkey);
ld->dev_force_privkey = tal(ld, struct privkey);
if (!hex_decode(optarg, strlen(optarg),
ld->dev_force_privkey, sizeof(*ld->dev_force_privkey)))
return tal_fmt(NULL, "Unable to parse privkey '%s'", optarg);
return NULL;
}
static void dev_register_opts(struct lightningd *ld)
{
opt_register_noarg("--dev-no-reconnect", opt_set_invbool,
@@ -474,6 +485,8 @@ static void dev_register_opts(struct lightningd *ld)
opt_register_arg("--dev-gossip-time", opt_set_u32, opt_show_u32,
&ld->dev_gossip_time,
"UNIX time to override gossipd to use.");
opt_register_arg("--dev-force-privkey", opt_force_privkey, NULL, ld,
"Force HSM to use this as node private key");
}
#endif