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Merged
rustyrussell merged 13 commits into from
Apr 5, 2023
Merged

Zero fee htlc preparation: Part 1 #6073

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1b443d8
chaintopology: rename broadcast_tx callback name.
rustyrussell Mar 23, 2023
2750d1d
bitcoin: helpers to clone a bitcoin_tx, and format one.
rustyrussell Mar 23, 2023
2ffaca1
lightningd: rebroadcast code save actual tx, not just hex encoding.
rustyrussell Mar 23, 2023
c797293
lightningd: provide callback in broadcast_tx() for refreshing tx.
rustyrussell Mar 23, 2023
784a184
lightningd: don't use notleak in chaintopology.c
rustyrussell Mar 23, 2023
0f14b36
chaintopology: allow minblock for broadcast_tx.
rustyrussell Mar 23, 2023
eb7b956
bitcoin: add tx_feerate() to reverse-calculate feerate a tx paid.
rustyrussell Mar 23, 2023
fd3185d
lightningd: use tx_feerate() for calculating fallback feerate for onc…
rustyrussell Mar 23, 2023
3a9e1d2
onchaind: simplify lightningd message handling into a switch statement.
rustyrussell Mar 23, 2023
9b15c6d
bitcoind: fix clone_bitcoin_tx() when tx is take().
rustyrussell Mar 23, 2023
7e45dce
onchaind: helper to read and queue unwanted messages.
rustyrussell Mar 23, 2023
16edf90
onchaind: two minor tidyups.
rustyrussell Mar 23, 2023
85e2833
plugins/bcli: use getmempoolinfo to determine minimum possible fee.
rustyrussell Mar 23, 2023
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6 changes: 6 additions & 0 deletions bitcoin/test/run-bitcoin_block_from_hex.c
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Expand Up @@ -24,12 +24,18 @@ struct amount_sat amount_sat(u64 satoshis UNNEEDED)
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_div */
struct amount_sat amount_sat_div(struct amount_sat sat UNNEEDED, u64 div UNNEEDED)
{ fprintf(stderr, "amount_sat_div called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_mul */
bool amount_sat_mul(struct amount_sat *res UNNEEDED, struct amount_sat sat UNNEEDED, u64 mul UNNEEDED)
{ fprintf(stderr, "amount_sat_mul called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
Expand Down
6 changes: 6 additions & 0 deletions bitcoin/test/run-psbt-from-tx.c
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Expand Up @@ -23,12 +23,18 @@ struct amount_sat amount_sat(u64 satoshis UNNEEDED)
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_div */
struct amount_sat amount_sat_div(struct amount_sat sat UNNEEDED, u64 div UNNEEDED)
{ fprintf(stderr, "amount_sat_div called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_mul */
bool amount_sat_mul(struct amount_sat *res UNNEEDED, struct amount_sat sat UNNEEDED, u64 mul UNNEEDED)
{ fprintf(stderr, "amount_sat_mul called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
Expand Down
9 changes: 9 additions & 0 deletions bitcoin/test/run-tx-bitcoin_tx_2of2_input_witness_weight.c
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Expand Up @@ -24,9 +24,15 @@ struct amount_sat amount_asset_to_sat(struct amount_asset *asset UNNEEDED)
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_div */
struct amount_sat amount_sat_div(struct amount_sat sat UNNEEDED, u64 div UNNEEDED)
{ fprintf(stderr, "amount_sat_div called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_mul */
bool amount_sat_mul(struct amount_sat *res UNNEEDED, struct amount_sat sat UNNEEDED, u64 mul UNNEEDED)
{ fprintf(stderr, "amount_sat_mul called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
Expand All @@ -38,6 +44,9 @@ struct amount_asset amount_sat_to_asset(struct amount_sat *sat UNNEEDED, const u
/* Generated stub for amount_tx_fee */
struct amount_sat amount_tx_fee(u32 fee_per_kw UNNEEDED, size_t weight UNNEEDED)
{ fprintf(stderr, "amount_tx_fee called!\n"); abort(); }
/* Generated stub for clone_psbt */
struct wally_psbt *clone_psbt(const tal_t *ctx UNNEEDED, struct wally_psbt *psbt UNNEEDED)
{ fprintf(stderr, "clone_psbt called!\n"); abort(); }
/* Generated stub for fromwire */
const u8 *fromwire(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, void *copy UNNEEDED, size_t n UNNEEDED)
{ fprintf(stderr, "fromwire called!\n"); abort(); }
Expand Down
6 changes: 6 additions & 0 deletions bitcoin/test/run-tx-encode.c
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Expand Up @@ -25,12 +25,18 @@ struct amount_sat amount_sat(u64 satoshis UNNEEDED)
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_div */
struct amount_sat amount_sat_div(struct amount_sat sat UNNEEDED, u64 div UNNEEDED)
{ fprintf(stderr, "amount_sat_div called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_mul */
bool amount_sat_mul(struct amount_sat *res UNNEEDED, struct amount_sat sat UNNEEDED, u64 mul UNNEEDED)
{ fprintf(stderr, "amount_sat_mul called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
Expand Down
38 changes: 37 additions & 1 deletion bitcoin/tx.c
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Expand Up @@ -3,6 +3,7 @@
#include <bitcoin/psbt.h>
#include <bitcoin/script.h>
#include <bitcoin/tx.h>
#include <ccan/cast/cast.h>
#include <ccan/str/hex/hex.h>
#include <ccan/tal/str/str.h>
#include <common/type_to_string.h>
Expand Down Expand Up @@ -590,6 +591,30 @@ struct bitcoin_tx *bitcoin_tx_with_psbt(const tal_t *ctx, struct wally_psbt *psb
return tx;
}

struct bitcoin_tx *clone_bitcoin_tx(const tal_t *ctx,
const struct bitcoin_tx *tx)
{
struct bitcoin_tx *newtx;

if (taken(tx))
return cast_const(struct bitcoin_tx *, tal_steal(ctx, tx));

newtx = tal(ctx, struct bitcoin_tx);

newtx->chainparams = tx->chainparams;

tal_wally_start();
if (wally_tx_clone_alloc(tx->wtx, 0, &newtx->wtx) != WALLY_OK)
newtx->wtx = NULL;
tal_wally_end_onto(newtx, newtx->wtx, struct wally_tx);
if (!newtx->wtx)
return tal_free(newtx);

newtx->psbt = clone_psbt(newtx, tx->psbt);
tal_add_destructor(newtx, bitcoin_tx_destroy);
return newtx;
}

static struct wally_tx *pull_wtx(const tal_t *ctx,
const u8 **cursor,
size_t *max)
Expand Down Expand Up @@ -699,7 +724,7 @@ bool bitcoin_txid_to_hex(const struct bitcoin_txid *txid,
return hex_encode(&rev, sizeof(rev), hexstr, hexstr_len);
}

static char *fmt_bitcoin_tx(const tal_t *ctx, const struct bitcoin_tx *tx)
char *fmt_bitcoin_tx(const tal_t *ctx, const struct bitcoin_tx *tx)
{
u8 *lin = linearize_tx(ctx, tx);
char *s = tal_hex(ctx, lin);
Expand Down Expand Up @@ -955,3 +980,14 @@ struct amount_sat change_amount(struct amount_sat excess, u32 feerate_perkw,

return excess;
}

u32 tx_feerate(const struct bitcoin_tx *tx)
{
struct amount_sat fee = bitcoin_tx_compute_fee(tx);

/* Fee should not overflow! */
if (!amount_sat_mul(&fee, fee, 1000))
abort();

return amount_sat_div(fee, bitcoin_tx_weight(tx)).satoshis; /* Raw: txfee */
}
11 changes: 11 additions & 0 deletions bitcoin/tx.h
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Expand Up @@ -69,6 +69,10 @@ struct bitcoin_tx *bitcoin_tx(const tal_t *ctx,
varint_t input_count, varint_t output_count,
u32 nlocktime);

/* Make a (deep) copy */
struct bitcoin_tx *clone_bitcoin_tx(const tal_t *ctx,
const struct bitcoin_tx *tx TAKES);

/* This takes a raw bitcoin tx in hex. */
struct bitcoin_tx *bitcoin_tx_from_hex(const tal_t *ctx, const char *hex,
size_t hexlen);
Expand Down Expand Up @@ -266,6 +270,12 @@ static inline size_t elements_tx_overhead(const struct chainparams *chainparams,
*/
struct amount_sat bitcoin_tx_compute_fee(const struct bitcoin_tx *tx);

/**
* Calculate the feerate for this transaction (in perkw)
*/
u32 tx_feerate(const struct bitcoin_tx *tx);


/*
* Calculate the fees for this transaction, given a pre-computed input balance.
*
Expand All @@ -285,6 +295,7 @@ void towire_bitcoin_tx(u8 **pptr, const struct bitcoin_tx *tx);
void towire_bitcoin_outpoint(u8 **pptr, const struct bitcoin_outpoint *outp);
void fromwire_bitcoin_outpoint(const u8 **cursor, size_t *max,
struct bitcoin_outpoint *outp);
char *fmt_bitcoin_tx(const tal_t *ctx, const struct bitcoin_tx *tx);

/* Various weights of transaction parts. */
size_t bitcoin_tx_core_weight(size_t num_inputs, size_t num_outputs);
Expand Down
4 changes: 2 additions & 2 deletions channeld/commit_tx.c
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Expand Up @@ -156,8 +156,8 @@ struct bitcoin_tx *commit_tx(const tal_t *ctx,
base_fee = commit_tx_base_fee(feerate_per_kw, untrimmed,
option_anchor_outputs);

SUPERVERBOSE("# base commitment transaction fee = %"PRIu64"\n",
base_fee.satoshis /* Raw: spec uses raw numbers */);
SUPERVERBOSE("# base commitment transaction fee = %"PRIu64" for %zu untrimmed\n",
base_fee.satoshis /* Raw: spec uses raw numbers */, untrimmed);

/* BOLT #3:
* If `option_anchors` applies to the commitment
Expand Down
28 changes: 21 additions & 7 deletions channeld/test/run-commit_tx.c
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Expand Up @@ -380,7 +380,8 @@ static void report(struct bitcoin_tx *tx,
const struct pubkey *remote_revocation_key,
u32 feerate_per_kw,
bool option_anchor_outputs,
const struct htlc **htlc_map)
const struct htlc **htlc_map,
size_t total_htlcs)
{
char *txhex;
struct bitcoin_signature localsig, remotesig;
Expand Down Expand Up @@ -410,6 +411,13 @@ static void report(struct bitcoin_tx *tx,
txhex = tal_hex(tmpctx, linearize_tx(tx, tx));
printf("output commit_tx: %s\n", txhex);

/* Now signatures are attached, this should be correct. But note
* that spec uses worst-case weight, so we will be slightly higher. */
assert(tx_feerate(tx) >= feerate_per_kw);
/* Of course, trimmed htlcs magnify this! */
if (tx->wtx->num_outputs == total_htlcs + 2)
assert(tx_feerate(tx) <= feerate_per_kw * 1.01);

report_htlcs(tx, htlc_map, to_self_delay,
local_htlcsecretkey, localkey, local_htlckey,
local_delayedkey,
Expand Down Expand Up @@ -837,7 +845,8 @@ int main(int argc, const char *argv[])
&remote_revocation_key,
feerate_per_kw,
option_anchor_outputs,
htlc_map);
htlc_map,
0);

/* BOLT #3:
*
Expand Down Expand Up @@ -903,7 +912,8 @@ int main(int argc, const char *argv[])
&remote_revocation_key,
feerate_per_kw,
option_anchor_outputs,
htlc_map);
htlc_map,
tal_count(htlcs));

do {
struct bitcoin_tx *newtx;
Expand Down Expand Up @@ -1000,7 +1010,8 @@ int main(int argc, const char *argv[])
&remote_revocation_key,
feerate_per_kw-1,
option_anchor_outputs,
htlc_map);
htlc_map,
tal_count(htlcs));

printf("\n"
"name: commitment tx with %s untrimmed (minimum feerate)\n"
Expand Down Expand Up @@ -1049,7 +1060,8 @@ int main(int argc, const char *argv[])
&remote_revocation_key,
feerate_per_kw,
option_anchor_outputs,
htlc_map);
htlc_map,
tal_count(htlcs));

assert(newtx->wtx->num_outputs != tx->wtx->num_outputs);

Expand Down Expand Up @@ -1124,7 +1136,8 @@ int main(int argc, const char *argv[])
&remote_revocation_key,
feerate_per_kw,
option_anchor_outputs,
htlc_map);
htlc_map,
tal_count(htlcs));
break;
}

Expand Down Expand Up @@ -1195,7 +1208,8 @@ int main(int argc, const char *argv[])
&remote_revocation_key,
feerate_per_kw,
option_anchor_outputs,
htlc_map);
htlc_map,
tal_count(htlcs));
common_shutdown();

/* FIXME: Do BOLT comparison! */
Expand Down
6 changes: 6 additions & 0 deletions cli/test/run-human-mode.c
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Expand Up @@ -45,12 +45,18 @@ struct amount_sat amount_sat(u64 satoshis UNNEEDED)
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_div */
struct amount_sat amount_sat_div(struct amount_sat sat UNNEEDED, u64 div UNNEEDED)
{ fprintf(stderr, "amount_sat_div called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_mul */
bool amount_sat_mul(struct amount_sat *res UNNEEDED, struct amount_sat sat UNNEEDED, u64 mul UNNEEDED)
{ fprintf(stderr, "amount_sat_mul called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
Expand Down
6 changes: 6 additions & 0 deletions cli/test/run-large-input.c
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Expand Up @@ -45,12 +45,18 @@ struct amount_sat amount_sat(u64 satoshis UNNEEDED)
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_div */
struct amount_sat amount_sat_div(struct amount_sat sat UNNEEDED, u64 div UNNEEDED)
{ fprintf(stderr, "amount_sat_div called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_mul */
bool amount_sat_mul(struct amount_sat *res UNNEEDED, struct amount_sat sat UNNEEDED, u64 mul UNNEEDED)
{ fprintf(stderr, "amount_sat_mul called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
Expand Down
6 changes: 6 additions & 0 deletions cli/test/run-remove-hint.c
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Expand Up @@ -48,12 +48,18 @@ struct amount_sat amount_sat(u64 satoshis UNNEEDED)
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_div */
struct amount_sat amount_sat_div(struct amount_sat sat UNNEEDED, u64 div UNNEEDED)
{ fprintf(stderr, "amount_sat_div called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_mul */
bool amount_sat_mul(struct amount_sat *res UNNEEDED, struct amount_sat sat UNNEEDED, u64 mul UNNEEDED)
{ fprintf(stderr, "amount_sat_mul called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
Expand Down
6 changes: 6 additions & 0 deletions common/test/run-base64.c
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Expand Up @@ -24,12 +24,18 @@ struct amount_sat amount_sat(u64 satoshis UNNEEDED)
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_div */
struct amount_sat amount_sat_div(struct amount_sat sat UNNEEDED, u64 div UNNEEDED)
{ fprintf(stderr, "amount_sat_div called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_mul */
bool amount_sat_mul(struct amount_sat *res UNNEEDED, struct amount_sat sat UNNEEDED, u64 mul UNNEEDED)
{ fprintf(stderr, "amount_sat_mul called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
Expand Down
6 changes: 6 additions & 0 deletions common/test/run-bigsize.c
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Expand Up @@ -26,12 +26,18 @@ struct amount_sat amount_sat(u64 satoshis UNNEEDED)
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_div */
struct amount_sat amount_sat_div(struct amount_sat sat UNNEEDED, u64 div UNNEEDED)
{ fprintf(stderr, "amount_sat_div called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_mul */
bool amount_sat_mul(struct amount_sat *res UNNEEDED, struct amount_sat sat UNNEEDED, u64 mul UNNEEDED)
{ fprintf(stderr, "amount_sat_mul called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
Expand Down
6 changes: 6 additions & 0 deletions common/test/run-blindedpath_enctlv.c
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Expand Up @@ -26,12 +26,18 @@ struct amount_sat amount_sat(u64 satoshis UNNEEDED)
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_div */
struct amount_sat amount_sat_div(struct amount_sat sat UNNEEDED, u64 div UNNEEDED)
{ fprintf(stderr, "amount_sat_div called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_mul */
bool amount_sat_mul(struct amount_sat *res UNNEEDED, struct amount_sat sat UNNEEDED, u64 mul UNNEEDED)
{ fprintf(stderr, "amount_sat_mul called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
Expand Down
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