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wallet: move can_spend to wallet.c and json_addfunds to walletrpc.c

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This commit is contained in:
Christian Decker
2017-06-21 17:40:42 +02:00
committed by Rusty Russell
parent d6656358b5
commit 938ab67a01
5 changed files with 125 additions and 111 deletions
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41
wallet/wallet.c
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@@ -1,5 +1,6 @@
#include "wallet.h"
#include <bitcoin/script.h>
#include <ccan/str/hex/hex.h>
struct wallet *wallet_new(const tal_t *ctx, struct log *log)
@@ -180,3 +181,43 @@ const struct utxo **wallet_select_coins(const tal_t *ctx, struct wallet *w,
}
return utxos;
}
bool wallet_can_spend(struct wallet *w, const u8 *script,
u32 *index, bool *output_is_p2sh)
{
struct ext_key ext;
u64 bip32_max_index = db_get_intvar(w->db, "bip32_max_index", 0);
u32 i;
/* If not one of these, can't be for us. */
if (is_p2sh(script))
*output_is_p2sh = true;
else if (is_p2wpkh(script))
*output_is_p2sh = false;
else
return false;
for (i = 0; i < bip32_max_index; i++) {
u8 *s;
if (bip32_key_from_parent(w->bip32_base, i,
BIP32_FLAG_KEY_PUBLIC, &ext)
!= WALLY_OK) {
abort();
}
s = scriptpubkey_p2wpkh_derkey(w, ext.pub_key);
if (*output_is_p2sh) {
u8 *p2sh = scriptpubkey_p2sh(w, s);
tal_free(s);
s = p2sh;
}
if (scripteq(s, script)) {
tal_free(s);
*index = i;
return true;
}
tal_free(s);
}
return false;
}