77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
#include "config.h"
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#include <assert.h>
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#include <ccan/ccan/err/err.h>
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#include <ccan/ccan/htable/htable.h>
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#include <common/autodata.h>
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#include <common/setup.h>
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#include <common/utils.h>
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#include <sodium.h>
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#include <wally_core.h>
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static void *wally_tal(size_t size)
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{
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assert(wally_tal_ctx);
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return tal_arr_label(wally_tal_ctx, u8, size, "wally_tal");
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}
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static void wally_free(void *ptr)
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{
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tal_free(ptr);
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}
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static struct wally_operations wally_tal_ops = {
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.struct_size = sizeof(struct wally_operations),
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.malloc_fn = wally_tal,
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.free_fn = wally_free,
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};
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static void *htable_tal(struct htable *ht, size_t len)
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{
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return tal_arrz(ht, u8, len);
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}
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static void htable_tal_free(struct htable *ht, void *p)
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{
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tal_free(p);
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}
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void common_setup(const char *argv0)
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{
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int wally_ret;
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setup_locale();
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err_set_progname(argv0);
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/* We rely on libsodium for some of the crypto stuff, so we'd better
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* not start if it cannot do its job correctly. */
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if (sodium_init() == -1)
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errx(1, "Could not initialize libsodium. Maybe not enough entropy"
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" available ?");
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/* We set up Wally, the bitcoin wallet lib */
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wally_ret = wally_init(0);
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if (wally_ret != WALLY_OK)
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errx(1, "Error initializing libwally: %i", wally_ret);
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wally_ret = wally_set_operations(&wally_tal_ops);
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if (wally_ret != WALLY_OK)
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errx(1, "Error setting libwally operations: %i", wally_ret);
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secp256k1_ctx = wally_get_secp_context();
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/* Make htable* use tal for the tables themselves. */
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htable_set_allocator(htable_tal, htable_tal_free);
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setup_tmpctx();
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}
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void common_shutdown(void)
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{
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const char *p = taken_any();
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if (p)
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errx(1, "outstanding taken(): %s", p);
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take_cleanup();
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tal_free(tmpctx);
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wally_cleanup(0);
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tal_free(wally_tal_ctx);
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autodata_cleanup();
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}
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