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bitcoin/script: support for creating p2sh-p2wpkh.

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We want this because P2SH is something we can tell bitcoind to pay to;
we can't (yet?) do that with "raw" P2WPKH.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-04-12 13:07:04 +09:30
parent f7d86da1b5
commit d9c4960f33
2 changed files with 74 additions and 7 deletions
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10
bitcoin/script.h
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@@ -6,6 +6,7 @@
#include <ccan/tal/tal.h>
struct bitcoin_address;
struct bitcoin_tx_input;
struct pubkey;
struct sha256;
struct rel_locktime;
@@ -36,6 +37,15 @@ u8 *bitcoin_redeem_secret_or_delay(const tal_t *ctx,
/* Create an output script using p2sh for this redeem script. */
u8 *scriptpubkey_p2sh(const tal_t *ctx, const u8 *redeemscript);
/* Create the redeemscript for a P2SH + P2WPKH. */
u8 *bitcoin_redeem_p2wpkh(const tal_t *ctx, const struct pubkey *key);
/* Create a witness which spends the 2of2. */
void bitcoin_witness_p2sh_p2wpkh(const tal_t *ctx,
struct bitcoin_tx_input *input,
const struct bitcoin_signature *sig,
const struct pubkey *key);
/* Create an input script to accept pay to pubkey */
u8 *scriptsig_pay_to_pubkeyhash(const tal_t *ctx,
const struct pubkey *key,