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lightningd: insist on payment_secret if bit compulsory on invoices.

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This grandfathers in old invoices for the moment.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2021-07-13 06:18:58 +09:30 committed by neil saitug
parent 9eb531868f
commit e7716c86fb
2 changed files with 26 additions and 3 deletions
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12
lightningd/htlc_set.c
View File

@ -1,3 +1,4 @@
#include <common/features.h>
#include <common/timeout.h>
#include <lightningd/htlc_end.h>
#include <lightningd/htlc_set.h>
@ -114,6 +115,17 @@ void htlc_set_add(struct lightningd *ld,
return;
}
/* If we insist on a payment secret, it must always have it */
if (feature_is_set(details->features, COMPULSORY_FEATURE(OPT_PAYMENT_SECRET))
&& !payment_secret) {
log_debug(ld->log, "Missing payment_secret, but required for %s",
type_to_string(tmpctx, struct sha256,
&hin->payment_hash));
local_fail_in_htlc(hin,
take(failmsg_incorrect_or_unknown(NULL, ld, hin)));
return;
}
/* BOLT #4:
* - otherwise, if it supports `basic_mpp`:
* - MUST add it to the HTLC set corresponding to that `payment_hash`.

17
tests/test_pay.py
View File

@ -562,6 +562,18 @@ def test_sendpay(node_factory):
l1.rpc.sendpay([rs], rhash, payment_secret=inv['payment_secret'])
assert invoice_unpaid(l2, 'testpayment2')
# Bad payment_secret
l1.rpc.sendpay([routestep], rhash, payment_secret="00" * 32)
with pytest.raises(RpcError):
l1.rpc.waitsendpay(rhash)
assert invoice_unpaid(l2, 'testpayment2')
# Missing payment_secret
l1.rpc.sendpay([routestep], rhash)
with pytest.raises(RpcError):
l1.rpc.waitsendpay(rhash)
assert invoice_unpaid(l2, 'testpayment2')
# FIXME: test paying via another node, should fail to pay twice.
p1 = l1.rpc.getpeer(l2.info['id'], 'info')
p2 = l2.rpc.getpeer(l1.info['id'], 'info')
@ -2506,9 +2518,8 @@ def test_pay_no_secret(node_factory, bitcoind):
# Produced from old version (no secret!)
inv_nosecret = 'lnbcrt1u1pwue4vapp5ve584t0cv27hwmy0cx9ca8uwyqyfw9y9dm3r8vus9fv36r2l9yjsdqaw3jhxazlwpshjhmwda0hxetrwfjhgxq8pmnt9qqcqp9570xsjyykvssa6ty8fjth6f2y8h09myngad9utesttwjwclv95fz3lgd402f9e5yzpnxmkypg55rkvpg522gcz4ymsjl2w3m4jhw4jsp55m7tl'
# This succeeds until we make secrets compulsory.
l1.rpc.pay(inv_nosecret)
l2.daemon.wait_for_log(r'HTLC set contains 1 HTLCs, for a total of 100000msat out of 100000msat \(no payment_secret\)')
with pytest.raises(RpcError, match=r"INCORRECT_OR_UNKNOWN_PAYMENT_DETAILS.*'erring_index': 1"):
l1.rpc.pay(inv_nosecret)
@flaky