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bitcoin/signature: BIP143 signature support.

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We hand in the witness_script: if non-NULL, we use BIP143-style
signature hash creation.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-04-12 13:05:51 +09:30
parent 8545db418b
commit df5d4e3c10
6 changed files with 125 additions and 7 deletions
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2
daemon/packets.c
View File

@@ -487,6 +487,7 @@ static Pkt *check_and_save_commit_sig(struct peer *peer,
ci->tx, 0,
peer->anchor.redeemscript,
tal_count(peer->anchor.redeemscript),
NULL,
&peer->them.commitkey,
ci->sig))
return pkt_err(peer, "Bad signature");
@@ -806,6 +807,7 @@ Pkt *accept_pkt_close_sig(struct peer *peer, const Pkt *pkt, bool *acked,
if (!check_tx_sig(peer->dstate->secpctx, close_tx, 0,
peer->anchor.redeemscript,
tal_count(peer->anchor.redeemscript),
NULL,
&peer->them.commitkey, &theirsig))
return pkt_err(peer, "Invalid signature");

4
daemon/secrets.c
View File

@@ -50,6 +50,7 @@ void peer_sign_theircommit(const struct peer *peer,
commit, 0,
peer->anchor.redeemscript,
tal_count(peer->anchor.redeemscript),
NULL,
&peer->secrets->commit,
&peer->us.commitkey,
sig);
@@ -64,6 +65,7 @@ void peer_sign_ourcommit(const struct peer *peer,
commit, 0,
peer->anchor.redeemscript,
tal_count(peer->anchor.redeemscript),
NULL,
&peer->secrets->commit,
&peer->us.commitkey,
sig);
@@ -79,6 +81,7 @@ void peer_sign_spend(const struct peer *peer,
spend, 0,
commit_redeemscript,
tal_count(commit_redeemscript),
NULL,
&peer->secrets->final,
&peer->us.finalkey,
sig);
@@ -92,6 +95,7 @@ void peer_sign_mutual_close(const struct peer *peer,
close, 0,
peer->anchor.redeemscript,
tal_count(peer->anchor.redeemscript),
NULL,
&peer->secrets->commit,
&peer->us.commitkey,
sig);