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0.9.0 #23

Merged
merged 528 commits into from
Aug 1, 2020
Merged

0.9.0 #23

merged 528 commits into from
Aug 1, 2020

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gruve-p
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@gruve-p gruve-p commented Aug 1, 2020

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laanwj and others added 30 commits June 29, 2020 09:08
The external Makefile hardcodes gcc to get the machine spec.
This should use the configured C compiler instead.

This bug was introduced in 6014644.
Quote marks are not special to make: as it can't find
external/"x86_64-linux-gnu"/libwally-core-build/src/libwallycore.la
it always insists on rebuilding it (which rebuilds the world).

If we have spaces in TARGET_DIR, we're in trouble already.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

Changelog-None
Unused here, but we'll use it in the next commit so that we can always
pass back the effective / used feerate to the caller of `reserveinputs`

This makes opening a channel much easier if we've internally determined
the feerate
Reserve and unreserve wallet UTXOs using a PSBT which includes those
inputs.

Note that currently we unreserve inputs everytime the node restarts.
This will be addressed in a future commit.

Changelog-Added: JSON-RPC: Adds two new rpc methods, `reserveinputs` and `unreserveinputs`, which allow for reserving or unreserving wallet UTXOs
the bitcoin_tx version is basically a wrapper for the wally_tx script
extraction -- here we pull it apart so we can easily get a tal'd script
for a wally_tx_output
With the incursion of PSBTs, we're moving away from bitcoin_tx
Changelog-Added: JSON-RPC: new call `signpsbt` which will add the wallet's signatures to a provided psbt
Changelog-Added: JSON-RPC: new call `sendpsbt` which will finalize and send a signed PSBT
when attempting to calculate the fees for a tx where we don't own all of
the outputs, we can overshoot the feerate
Our existing coin_moves tracking logic assumed that any tx we had an
input in belonged to *all* of our wallet (not a bad assumption as long
as there was no way to update a tx that spends our wallets)

Now that we've got `signpsbt` implemented, however, we need to be
careful about how we account for withdrawals. For now we do a best guess
at what the feerate is, and lump all of our spent outputs as a
'withdrawal' when it's impossible to disambiguate
  rusty$ make prod-release
  make: *** No rule to make target 'test', needed by 'prod-release'.  Stop.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Detection of reserved outputs is async, going via bitcoind.  Wait for them.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
If the daemon already knows about the channel before it was stopped,
it won't get this message from gossipd.  That's OK, since we explicitly
test for the channel being active two lines down.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
                   "backtrace": [
                       "ccan/ccan/tal/tal.c:442 (tal_alloc_)",
                       "wallet/wallet.c:154 (wallet_stmt2output)",
                       "wallet/wallet.c:275 (wallet_get_utxos)",
                       "wallet/wallet.c:3792 (wallet_clean_utxos)",
                       "lightningd/lightningd.c:914 (main)"
                   ],
                   "label": "wallet/wallet.c:154:struct utxo",
                   "parents": [
                       "wallet/wallet.c:273:struct utxo*[]"
                   ],
                   "value": "0x24c1be8"

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We were assuming `wallet_channel_insert` that there cannot be a matching peer
if our in-memory representation isn't bound to it (`dbid == 0`). If we then
attempt to create the peer, and we already had one it'd cause a unique
constraint violation. As far as I can tell this could end up happening if we
have an uncommitted channel, and then exited without cleanup (`tal_destructor`
on the uncommitted channel not running). This could then leave the peer in the
DB. This is because the constraint that every peer has at least one channel is
not enforce at DB level, but rather in destructors that may or may not run.

Changelog-Fixed: Fixed a failing assertion if we reconnect to a peer that we had a channel with before, and then attempt to insert the peer into the DB twice.
Changelog-Added: We now install `lightning-hsmtool` for your `hsm_secret` needs.

See: ElementsProject#3717 (comment)

It seems reasonable to add this to the standard install, and to document it properly as well, hopefully we can fill in the documentation better later on.
…h V3 onions

Changelog-None

Signed-off-by: Saibato <saibato.naga@pm.me>
…ct fail.

@thestick613 noticed that since tor version below 0.3.2.2-alpha
will not support V3 ed25519 address formats, the error handling
is not that helpful in the error message from cli.
So now we add an hint.

Changelog-None:

Signed-off-by: Saibato <saibato.naga@pm.me>

connectd/connectd.h; Add helper function to update conn error list

Signed-off-by: Saibato <saibato.naga@pm.me>
Changelog-None:

Signed-off-by: Saibato <saibato.naga@pm.me>
The actual steps are mocked out, but we can already run through the various
phases of a payment, and the modifiers should be called for each state.
This commit can be reverted/skipped once we have implemented all the logic and
have feature parity with the normal `pay`. It's main purpose is to expose the
unfinished functionality to test it, without completely breaking the existing
`pay` command.
This should make it easy for JSON-RPC functions and modifiers to get the
associated data for a given modifier name. Useful if a modifier needs to
access its parent's modifier data, or in other functions that need to access
modifier data, e.g., when passing destination pointers into the `param()`
call.
This is likely a bit of overkill for this type of functionality, but it is a
nice first use-case of how functionality can be compartmentalized into
modifiers. If makes swapping retry mechanisms in and out really simple.
A payment is considered finished if it is in a final state (success or
failure) or all its sub-payments are finished. If that's the case we notify
`payment_finished` and bubble up through `payment_child_finished`, eventually
bubbling up to the root, which can then report success of failure back to the
RPC command that initiated the whole process.
This is necessary so we can build the absolute locktimes in the next step. For
now just fetch the blockheight on each (sub-)payment, later we can reuse the
root blockheight if it ends up using too much traffic.
Te `sendonion` docs where claiming that the `first_hop` needs to specify a
`channel_id` whereas it should really be the `node_id` of the peer we are
trying to contact.
cdecker and others added 29 commits July 23, 2020 10:14
We're using it in a couple of places to see if we even performed the attempt,
so we need to make sure it's initialized.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This does two things: it checks if the destination of the payment is at all
reachable without routehints, and if it is it adds a direct attempt as option
to the routehints in the form of a NULL routehint. It also simplifies the
selection of the routehint since the direct case is no longer special, instead
we just return a NULL routehint as if it were a normal routehint.
It was spread over the step callback, but we only need to initialize the
routehints array there, child-payments can just inherit most of the information.
We have two places we need to do that now: in the root payment after we
checked if the destination is reachable, and in any other payment directly in
the initialization-step callback.
We store an offset of the current routehint in the modifier data. It gets
incremented on retry, and it gets reset to 0 on split. This is because once we
split we have a different amount and a previously unusable routehint becomes
usable again.
This uses @cdecker's idea of excluding the routehinted channel from the route,
and also consumes the route hints as it goes so that it makes progress.

I don't know if this is correct, but it reliably passes tests/test_pay.py::test_tlv_or_legacy
now.
The child payments will sometimes depend on the step of the parent, and making
sure that the parent state is correct before we create the children is
therefore important.
The shortcut in the retry_mod that we can skip retrying if getroute fails or
we have no result is only valid if the parameters don't change. As we iterate
through the routehints the parameters change, and so we must signal to the
retry_mod that it can retry even in those cases.
jsonrpc_stream_fail already adds a message field.
And document the partid arg.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Added: JSON-RPC: `sendonion` has a new optional `bolt11` argument for when it's used to pay an invoice.
…ay`)

[ Extracted into standalone patch and comment added by RR ]
There were no channel updates in my log; because sendonion doesn't know the
actual node_ids or channel_ids, we can't tell gossipd what node/channel it was
so it can no longer remove them on PERM errors.

However, we can tell it the error message so it can apply the update.

Fixes: ElementsProject#3877
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Since we started using `sendonion` in the `pay` plugin we no longer
automatically have the `amount` annotation on (partial) payments. This
replicates the issue so we can fix it.

Reported-by: Rusty Russell <@rustyrussell>
These were spamming my logs and could result in misleading results being
returned on `listpays` and `listsendpays`.
While not directly necessary, it still feeds the `listpays` result, and so we
should pass it along if we can, so we don't have to rely solely on the
`amount_sent` field, which includes the fees.

Reported-by: Rusty Russell <@rustyrussell>
We sum up the amounts just like we do with `amount_sent`, however we may have
parts that don't have that annotation, so make it optional.

Suggested-by: Rusty Russell <@rustyrussell>
```
        # Excludes channel, then ignores routehint which includes that, then
        # it excludes other channel.
>       assert len(status) == 2
E       assert 1 == 2
E         -1
E         +2
```

The invoice we use at the end has a routehint: 50% of the time it's
to l2 (which fails), 50% to l5 (which succeeds).

Change it to create invoice before channel with l5 so it does the
retry like we expect here.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
we're about to add a migration that requires access to the bip32_key
in order to calculate missing scriptpubkeys.

prior to this patch, we don't have access to the bip32 key in the db
migration, as it's set on the wallet but after the db migrations are
run.

here we patch it through so that every migration can access it
the way we use PSBTs to sign things requires that we have the
scriptpubkey available on the utxo so we can populate the witness-utxo
field with it.

this causes problems if we don't already have the scriptpubkey cached in
the database, as in *some* cases we require a round trip to the HSM to
populate them

to get over this hump, we backfill any and all missing scriptpubkey
information for the utxo's that we hold in our wallet.

this will allow us to clean up the NULL handling of missing
scriptpubkeys.
Now that we're *guaranteed* to have a scriptpubkey entry in the
database, we remove the NULL handling for it.
@gruve-p gruve-p merged commit 1d3bbca into master Aug 1, 2020
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