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common: make BOLT11 use the normal feature array.

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This was decided at a recent spec meeting: in particular, mpp and
var_onion_optin options will be used here.

We enhanced "features_supported" into "features_unsupported" so it
can return the first un-handlable bit number.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2019-11-23 10:49:23 +10:30
parent ebac3d2a85
commit 09cdbb70eb
5 changed files with 20 additions and 16 deletions
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10
common/test/run-features.c
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@@ -84,17 +84,17 @@ int main(void)
/* We always support no features. */
memset(bits, 0, tal_count(bits));
assert(features_supported(bits));
assert(features_unsupported(bits) == -1);
/* We must support our own features. */
lf = get_offered_features(tmpctx);
assert(features_supported(lf));
assert(features_unsupported(lf) == -1);
/* We can add random odd features, no problem. */
for (size_t i = 1; i < 16; i += 2) {
bits = tal_dup_arr(tmpctx, u8, lf, tal_count(lf), 0);
set_feature_bit(&bits, i);
assert(features_supported(bits));
assert(features_unsupported(bits) == -1);
}
/* We can't add random even features. */
@@ -104,9 +104,9 @@ int main(void)
/* Special case for missing compulsory feature */
if (i == 2) {
assert(!features_supported(bits));
assert(features_unsupported(bits) == i);
} else {
assert(features_supported(bits)
assert((features_unsupported(bits) == -1)
== feature_supported(i, our_features,
ARRAY_SIZE(our_features)));
}