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45 lines
1.0 KiB
45 lines
1.0 KiB
#include "utils.h"
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#include <ccan/list/list.h>
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#include <ccan/str/hex/hex.h>
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#include <ccan/tal/str/str.h>
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secp256k1_context *secp256k1_ctx;
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const tal_t *tmpctx;
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char *tal_hexstr(const tal_t *ctx, const void *data, size_t len)
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{
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char *str = tal_arr(ctx, char, hex_str_size(len));
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hex_encode(data, len, str, hex_str_size(len));
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return str;
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}
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char *tal_hex(const tal_t *ctx, const tal_t *data)
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{
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return tal_hexstr(ctx, data, tal_len(data));
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}
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u8 *tal_hexdata(const tal_t *ctx, const void *str, size_t len)
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{
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u8 *data = tal_arr(ctx, u8, hex_data_size(len));
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if (!hex_decode(str, len, data, hex_data_size(len)))
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return NULL;
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return data;
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}
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/* Global temporary convenience context: freed in io loop core. */
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/* Initial creation of tmpctx. */
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void setup_tmpctx(void)
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{
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tmpctx = tal_alloc_(NULL, 0, false, false, "tmpctx");
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}
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/* Free any children of tmpctx. */
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void clean_tmpctx(void)
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{
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/* Minor optimization: don't do anything if tmpctx unused. */
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if (tal_first(tmpctx)) {
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tal_free(tmpctx);
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tmpctx = tal_alloc_(NULL, 0, false, false, "tmpctx");
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}
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}
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