Tweak checkrune API (nodeid isn't required) and update docs. #6622
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ShahanaFarooqui
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rustyrussell
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nepet
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| } else if (streq(alt->fieldname, "id")) { | ||
| const char *id = node_id_to_hexstr(tmpctx, cinfo->peer); | ||
| return rune_alt_single_str(ctx, alt, id, strlen(id)); | ||
| if (cinfo->peer) { | ||
| const char *id = node_id_to_hexstr(tmpctx, cinfo->peer); | ||
| return rune_alt_single_str(ctx, alt, id, strlen(id)); | ||
| } | ||
| return rune_alt_single_missing(ctx, alt); |
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Let me check if I understand these lines correctly:
- We have an alternative with with a fieldname
id - We check if we got a (now optional)
nodeid, that should reside incinfo->peer - If so, check the id against the alternatives rule.
- If not, check if the alternative is of "missing field" type (or comment).
If this is correct, this seems likely the correct way to treat a field set of<id> requested <method> with <params> at <time> with request <rate>.
This however makes the "optional" arguments for checkrune not as "optional" as it might seem. We may consider adding 1 or 2 sentences to the docs that explain the behavior and the implications that an "unset" argument has.
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? Every optional field (e.g. parameter names) is the same. They fail any test (comparison, equality, etc), except the "not present" test.
This cannot break any existing usage, since that always sets id. I can't think of what I would document here?
rustyrussell
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There's actually no "filter" here, this was mistakenly taken from commando. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Usage line isn't correct, as fields are not optional, and return needs fleshing out for error codes. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
nodeid is only useful when we know the peer we're talking to (e.g. commando). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> No-schema-diff-check: We're simply making optional, not deprecating!
These look like uniqueids, and so can confuse us (I discovered this by making a typo in a test!) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This was a misunderstanding: nodeid is useful for commando, where it's the peer's nodeid, and Noise-XK guarantees that we know who that is. It's not useful for clnrest, so don't require it (it was our node id, which is redundant). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
It always is for runes we create, but in theory you can take our secret key and make our own runes with your own tools. (We correctly refuse runes without uniqueids if they're *not* ours anyway: uniqueid is only used for our own runes). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This seems to be a cut & paste bug (mine, AFAICT!) from the command code: ``` rune = rune_derive_start(cmd, master_rune, tal_fmt(tmpctx, "%"PRIu64, rune_counter ? *rune_counter : 0)); ``` In that case, rune_counter was a pointer, which could be NULL. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Builds on #6617(Rebased on master)Also tighten our rune checking on our own runes which were generated from other code (a theoretical possibility), and make sure we only add valid restrictions...