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onchaind: clean up types for penalty transactions.

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We can use pubkey_from_secret() to avoid the ugly sha->secret->privkey
conversion.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2018-07-23 11:53:02 +09:30 committed by Christian Decker
parent dfaf74d972
commit 437b65eba1
1 changed files with 3 additions and 8 deletions
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11
onchaind/onchain.c
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@ -1676,7 +1676,6 @@ static void handle_their_cheat(const struct bitcoin_tx *tx,
struct keyset *ks;
size_t i;
struct secret per_commitment_secret;
struct privkey per_commitment_privkey;
struct pubkey per_commitment_point;
init_reply("Tracking their illegal close: taking all funds");
@ -1693,15 +1692,11 @@ static void handle_their_cheat(const struct bitcoin_tx *tx,
== sizeof(*revocation_preimage));
memcpy(&per_commitment_secret, revocation_preimage,
sizeof(per_commitment_secret));
BUILD_ASSERT(sizeof(per_commitment_privkey)
== sizeof(*revocation_preimage));
memcpy(&per_commitment_privkey, revocation_preimage,
sizeof(per_commitment_privkey));
if (!pubkey_from_privkey(&per_commitment_privkey, &per_commitment_point))
if (!pubkey_from_secret(&per_commitment_secret, &per_commitment_point))
status_failed(STATUS_FAIL_INTERNAL_ERROR,
"Failed derive from per_commitment_secret %s",
type_to_string(tmpctx, struct privkey,
&per_commitment_privkey));
type_to_string(tmpctx, struct secret,
&per_commitment_secret));
status_trace("Deriving keyset %"PRIu64
": per_commit_point=%s"