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22 lines
615 B

#include "addr.h"
#include <bitcoin/script.h>
#include <common/bech32.h>
/* Returns NULL if the script is not a P2WPKH or P2WSH */
char *encode_scriptpubkey_to_addr(const tal_t *ctx,
const char *hrp,
const u8 *scriptPubkey)
{
char *out;
size_t scriptLen = tal_bytelen(scriptPubkey);
/* Check that scriptPubkey is P2WSH or P2WPKH */
if (!is_p2wsh(scriptPubkey, NULL) && !is_p2wpkh(scriptPubkey, NULL))
return NULL;
out = tal_arr(ctx, char, 73 + strlen(hrp));
if (!segwit_addr_encode(out, hrp, 0, scriptPubkey + 2, scriptLen - 2))
return tal_free(out);
return out;
}