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htlc_tx: wire up the htlc points.

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All the callers need to pass it in: currently channeld and openingd just
fake it by copying the payment point.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2017-11-15 16:48:39 +10:30
committed by Christian Decker
parent f71a18241a
commit 4db460903a
5 changed files with 121 additions and 69 deletions
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138
lightningd/test/run-commit_tx.c
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@@ -196,11 +196,13 @@ static struct pubkey pubkey_from_hex(const char *hex)
static void report_htlcs(const struct bitcoin_tx *tx,
const struct htlc **htlc_map,
u16 to_self_delay,
const struct privkey *local_secretkey,
const struct privkey *local_htlcsecretkey,
const struct pubkey *localkey,
const struct pubkey *local_htlckey,
const struct pubkey *local_delayedkey,
const struct privkey *x_remote_secretkey,
const struct privkey *x_remote_htlcsecretkey,
const struct pubkey *remotekey,
const struct pubkey *remote_htlckey,
const struct pubkey *remote_revocation_key,
u64 feerate_per_kw)
{
@@ -208,13 +210,13 @@ static void report_htlcs(const struct bitcoin_tx *tx,
size_t i, n;
struct sha256_double txid;
struct bitcoin_tx **htlc_tx;
secp256k1_ecdsa_signature *remotesig;
secp256k1_ecdsa_signature *remotehtlcsig;
struct keyset keyset;
u8 **wscript;
htlc_tx = tal_arrz(tmpctx, struct bitcoin_tx *, tal_count(htlc_map));
remotesig = tal_arr(tmpctx, secp256k1_ecdsa_signature,
tal_count(htlc_map));
remotehtlcsig = tal_arr(tmpctx, secp256k1_ecdsa_signature,
tal_count(htlc_map));
wscript = tal_arr(tmpctx, u8 *, tal_count(htlc_map));
bitcoin_txid(tx, &txid);
@@ -232,6 +234,8 @@ static void report_htlcs(const struct bitcoin_tx *tx,
keyset.self_delayed_payment_key = *local_delayedkey;
keyset.self_payment_key = *localkey;
keyset.other_payment_key = *remotekey;
keyset.self_htlc_key = *local_htlckey;
keyset.other_htlc_key = *remote_htlckey;
for (i = 0; i < tal_count(htlc_map); i++) {
const struct htlc *htlc = htlc_map[i];
@@ -247,8 +251,8 @@ static void report_htlcs(const struct bitcoin_tx *tx,
feerate_per_kw,
&keyset);
wscript[i] = bitcoin_wscript_htlc_offer(tmpctx,
localkey,
remotekey,
local_htlckey,
remote_htlckey,
&htlc->rhash,
remote_revocation_key);
} else {
@@ -259,25 +263,25 @@ static void report_htlcs(const struct bitcoin_tx *tx,
&keyset);
wscript[i] = bitcoin_wscript_htlc_receive(tmpctx,
&htlc->expiry,
localkey,
remotekey,
local_htlckey,
remote_htlckey,
&htlc->rhash,
remote_revocation_key);
}
sign_tx_input(htlc_tx[i], 0,
NULL,
wscript[i],
x_remote_secretkey, remotekey,
&remotesig[i]);
x_remote_htlcsecretkey, remote_htlckey,
&remotehtlcsig[i]);
printf("# signature for output %zi (htlc %"PRIu64")\n", i, htlc->id);
printf("remote_htlc_signature = %s\n",
type_to_string(tmpctx, secp256k1_ecdsa_signature,
&remotesig[i]));
&remotehtlcsig[i]));
}
/* For any HTLC outputs, produce htlc_tx */
for (i = 0; i < tal_count(htlc_map); i++) {
secp256k1_ecdsa_signature localsig;
secp256k1_ecdsa_signature localhtlcsig;
const struct htlc *htlc = htlc_map[i];
if (!htlc)
@@ -286,22 +290,26 @@ static void report_htlcs(const struct bitcoin_tx *tx,
sign_tx_input(htlc_tx[i], 0,
NULL,
wscript[i],
local_secretkey, localkey,
&localsig);
local_htlcsecretkey, local_htlckey,
&localhtlcsig);
printf("# local_signature = %s\n",
type_to_string(tmpctx, secp256k1_ecdsa_signature,
&localsig));
&localhtlcsig));
if (htlc_owner(htlc) == LOCAL) {
htlc_timeout_tx_add_witness(htlc_tx[i],
localkey, remotekey,
local_htlckey,
remote_htlckey,
&htlc->rhash,
remote_revocation_key,
&localsig, &remotesig[i]);
&localhtlcsig,
&remotehtlcsig[i]);
} else {
htlc_success_tx_add_witness(htlc_tx[i],
&htlc->expiry,
localkey, remotekey,
&localsig, &remotesig[i],
local_htlckey,
remote_htlckey,
&localhtlcsig,
&remotehtlcsig[i],
htlc->r,
remote_revocation_key);
}
@@ -320,11 +328,13 @@ static void report(struct bitcoin_tx *tx,
const struct privkey *local_funding_privkey,
const struct pubkey *local_funding_pubkey,
u16 to_self_delay,
const struct privkey *local_secretkey,
const struct privkey *local_htlcsecretkey,
const struct pubkey *localkey,
const struct pubkey *local_htlckey,
const struct pubkey *local_delayedkey,
const struct privkey *x_remote_secretkey,
const struct privkey *x_remote_htlcsecretkey,
const struct pubkey *remotekey,
const struct pubkey *remote_htlckey,
const struct pubkey *remote_revocation_key,
u64 feerate_per_kw,
const struct htlc **htlc_map)
@@ -355,10 +365,10 @@ static void report(struct bitcoin_tx *tx,
printf("output commit_tx: %s\n", txhex);
report_htlcs(tx, htlc_map, to_self_delay,
local_secretkey, localkey,
local_htlcsecretkey, localkey, local_htlckey,
local_delayedkey,
x_remote_secretkey,
remotekey,
x_remote_htlcsecretkey,
remotekey, remote_htlckey,
remote_revocation_key,
feerate_per_kw);
tal_free(tmpctx);
@@ -439,17 +449,20 @@ int main(void)
/* x_ prefix means internal vars we used to derive spec */
struct privkey local_funding_privkey, x_remote_funding_privkey;
struct secret x_local_payment_basepoint_secret, x_remote_payment_basepoint_secret;
struct secret x_local_htlc_basepoint_secret, x_remote_htlc_basepoint_secret;
struct secret x_local_per_commitment_secret;
struct secret x_local_delayed_payment_basepoint_secret;
struct secret x_remote_revocation_basepoint_secret;
struct privkey local_secretkey, x_remote_secretkey;
struct privkey local_htlcsecretkey, x_remote_htlcsecretkey;
struct privkey x_local_delayed_secretkey;
struct pubkey local_funding_pubkey, remote_funding_pubkey;
struct pubkey local_payment_basepoint, remote_payment_basepoint;
struct pubkey local_htlc_basepoint, remote_htlc_basepoint;
struct pubkey x_local_delayed_payment_basepoint;
struct pubkey x_remote_revocation_basepoint;
struct pubkey x_local_per_commitment_point;
struct pubkey localkey, remotekey, tmpkey;
struct pubkey local_htlckey, remote_htlckey;
struct pubkey local_delayedkey;
struct pubkey remote_revocation_key;
struct bitcoin_tx *tx, *tx2;
@@ -579,13 +592,19 @@ int main(void)
&remote_payment_basepoint))
abort();
if (!derive_simple_privkey(&x_remote_payment_basepoint_secret,
&remote_payment_basepoint,
/* FIXME: BOLT should include separate HTLC keys */
local_htlc_basepoint = local_payment_basepoint;
remote_htlc_basepoint = remote_payment_basepoint;
x_local_htlc_basepoint_secret = x_local_payment_basepoint_secret;
x_remote_htlc_basepoint_secret = x_remote_payment_basepoint_secret;
if (!derive_simple_privkey(&x_remote_htlc_basepoint_secret,
&remote_htlc_basepoint,
&x_local_per_commitment_point,
&x_remote_secretkey))
&x_remote_htlcsecretkey))
abort();
SUPERVERBOSE("INTERNAL: remote_secretkey: %s\n",
type_to_string(tmpctx, struct privkey, &x_remote_secretkey));
type_to_string(tmpctx, struct privkey, &x_remote_htlcsecretkey));
if (!derive_simple_privkey(&x_local_delayed_payment_basepoint_secret,
&x_local_delayed_payment_basepoint,
@@ -620,21 +639,18 @@ int main(void)
printf("remote_funding_pubkey: %s\n",
type_to_string(tmpctx, struct pubkey, &remote_funding_pubkey));
if (!derive_simple_privkey(&x_local_payment_basepoint_secret,
if (!derive_simple_privkey(&x_local_htlc_basepoint_secret,
&local_payment_basepoint,
&x_local_per_commitment_point,
&local_secretkey))
&local_htlcsecretkey))
abort();
printf("local_secretkey: %s\n",
type_to_string(tmpctx, struct privkey, &local_secretkey));
type_to_string(tmpctx, struct privkey, &local_htlcsecretkey));
if (!pubkey_from_privkey(&local_secretkey, &localkey))
abort();
if (!derive_simple_key(&local_payment_basepoint,
&x_local_per_commitment_point,
&tmpkey))
&localkey))
abort();
assert(pubkey_eq(&tmpkey, &localkey));
printf("localkey: %s\n",
type_to_string(tmpctx, struct pubkey, &localkey));
@@ -645,6 +661,22 @@ int main(void)
printf("remotekey: %s\n",
type_to_string(tmpctx, struct pubkey, &remotekey));
if (!pubkey_from_privkey(&local_htlcsecretkey, &local_htlckey))
abort();
if (!derive_simple_key(&local_htlc_basepoint,
&x_local_per_commitment_point,
&tmpkey))
abort();
assert(pubkey_eq(&tmpkey, &local_htlckey));
printf("local_htlckey: %s\n",
type_to_string(tmpctx, struct pubkey, &local_htlckey));
if (!derive_simple_key(&remote_htlc_basepoint,
&x_local_per_commitment_point,
&remote_htlckey))
abort();
printf("remote_htlckey: %s\n",
type_to_string(tmpctx, struct pubkey, &remote_htlckey));
if (!pubkey_from_privkey(&x_local_delayed_secretkey, &local_delayedkey))
abort();
@@ -688,6 +720,8 @@ int main(void)
keyset.self_delayed_payment_key = local_delayedkey;
keyset.self_payment_key = localkey;
keyset.other_payment_key = remotekey;
keyset.self_htlc_key = local_htlckey;
keyset.other_htlc_key = remote_htlckey;
print_superverbose = true;
tx = commit_tx(tmpctx, &funding_txid, funding_output_index,
@@ -715,11 +749,13 @@ int main(void)
report(tx, wscript, &x_remote_funding_privkey, &remote_funding_pubkey,
&local_funding_privkey, &local_funding_pubkey,
to_self_delay,
&local_secretkey,
&local_htlcsecretkey,
&localkey,
&local_htlckey,
&local_delayedkey,
&x_remote_secretkey,
&x_remote_htlcsecretkey,
&remotekey,
&remote_htlckey,
&remote_revocation_key,
feerate_per_kw,
htlc_map);
@@ -768,11 +804,13 @@ int main(void)
report(tx, wscript, &x_remote_funding_privkey, &remote_funding_pubkey,
&local_funding_privkey, &local_funding_pubkey,
to_self_delay,
&local_secretkey,
&local_htlcsecretkey,
&localkey,
&local_htlckey,
&local_delayedkey,
&x_remote_secretkey,
&x_remote_htlcsecretkey,
&remotekey,
&remote_htlckey,
&remote_revocation_key,
feerate_per_kw,
htlc_map);
@@ -840,11 +878,13 @@ int main(void)
&x_remote_funding_privkey, &remote_funding_pubkey,
&local_funding_privkey, &local_funding_pubkey,
to_self_delay,
&local_secretkey,
&local_htlcsecretkey,
&localkey,
&local_htlckey,
&local_delayedkey,
&x_remote_secretkey,
&x_remote_htlcsecretkey,
&remotekey,
&remote_htlckey,
&remote_revocation_key,
feerate_per_kw-1,
htlc_map);
@@ -874,11 +914,13 @@ int main(void)
&x_remote_funding_privkey, &remote_funding_pubkey,
&local_funding_privkey, &local_funding_pubkey,
to_self_delay,
&local_secretkey,
&local_htlcsecretkey,
&localkey,
&local_htlckey,
&local_delayedkey,
&x_remote_secretkey,
&x_remote_htlcsecretkey,
&remotekey,
&remote_htlckey,
&remote_revocation_key,
feerate_per_kw,
htlc_map);
@@ -930,11 +972,13 @@ int main(void)
&x_remote_funding_privkey, &remote_funding_pubkey,
&local_funding_privkey, &local_funding_pubkey,
to_self_delay,
&local_secretkey,
&local_htlcsecretkey,
&localkey,
&local_htlckey,
&local_delayedkey,
&x_remote_secretkey,
&x_remote_htlcsecretkey,
&remotekey,
&remote_htlckey,
&remote_revocation_key,
feerate_per_kw,
htlc_map);