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common: change default network from testnet to mainnet for new installs.

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Changelog-changed: Default network (new installs) is now bitcoin, not testnet.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2019-11-23 12:16:58 +10:30
parent a56f2b25b0
commit 36c517bac5
1 changed files with 41 additions and 4 deletions
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45
common/configdir.c
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@ -10,6 +10,9 @@
#include <common/utils.h>
#include <common/version.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
bool deprecated_apis = true;
@ -241,6 +244,34 @@ void parse_config_files(const char *config_filename,
parse_implied_config_file(config_basedir, chainparams->network_name, early);
}
/* Could be a yet-to-be-upgraded dir (definitely testnet), or could be
* it's been upgraded to testnet. */
static bool smells_like_old_testnet(const char *config_basedir)
{
struct stat st;
/* Doubles as convenient top-level ctx for this function */
const char *base = default_base_configdir(NULL);
if (!config_basedir)
config_basedir = base;
/* If it doesn't exist, it's not testnet. */
if (stat(config_basedir, &st) != 0) {
tal_free(base);
return false;
}
/* Does it have a bitcoin/ subdir and no testnet/ subdir? */
if (stat(path_join(base, config_basedir, "bitcoin"), &st) == 0
&& stat(path_join(base, config_basedir, "testnet"), &st) != 0) {
tal_free(base);
return false;
}
tal_free(base);
return true;
}
void initial_config_opts(const tal_t *ctx,
int argc, char *argv[],
char **config_filename,
@ -318,10 +349,16 @@ void initial_config_opts(const tal_t *ctx,
parse_implied_config_file(*config_basedir, NULL, true);
opt_early_parse_incomplete(argc, argv, opt_log_stderr_exit);
/* We use a global (in common/utils.h) for the chainparams.
* We default to testnet for now. */
if (!chainparams)
chainparams = chainparams_for_network("testnet");
/* We use a global (in common/utils.h) for the chainparams. */
if (!chainparams) {
/* Use bitcoin default on new installations. */
if (deprecated_apis && smells_like_old_testnet(*config_basedir)) {
warnx("WARNING: default network changing in 2020:"
" please set network=testnet in config!");
chainparams = chainparams_for_network("testnet");
} else
chainparams = chainparams_for_network("bitcoin");
}
if (!*config_basedir)
*config_basedir = default_base_configdir(ctx);