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bitcoin/script: support variants where we only have the ripemd.

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For space saving, we only keep the ripemd160 for old HTLCs.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2017-08-18 14:13:53 +09:30
parent edd27d21b5
commit af9d763763
2 changed files with 57 additions and 15 deletions
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14
bitcoin/script.h
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@@ -11,6 +11,7 @@ struct bitcoin_tx_input;
struct preimage;
struct pubkey;
struct sha256;
struct ripemd160;
struct rel_locktime;
struct abs_locktime;
@@ -141,6 +142,19 @@ u8 **bitcoin_htlc_receive_spend_preimage(const tal_t *ctx,
const struct preimage *preimage,
const u8 *wscript);
/* Underlying functions for penalties, where we only keep ripemd160 */
u8 *bitcoin_wscript_htlc_offer_ripemd160(const tal_t *ctx,
const struct pubkey *localkey,
const struct pubkey *remotekey,
const struct ripemd160 *payment_ripemd,
const struct pubkey *revocationkey);
u8 *bitcoin_wscript_htlc_receive_ripemd(const tal_t *ctx,
const struct abs_locktime *htlc_abstimeout,
const struct pubkey *localkey,
const struct pubkey *remotekey,
const struct ripemd160 *payment_ripemd,
const struct pubkey *revocationkey);
/* BOLT #3 HTLC-success/HTLC-timeout output */
u8 *bitcoin_wscript_htlc_tx(const tal_t *ctx,
u16 to_self_delay,