btcpayserver/lightning
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lightning/lightningd
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Vincenzo Palazzo 85992e6e48 feat(bitcoind): pass the current known block height 
When core lightning is asking the information about
the blockchain with `getchaininfo` command lightningd
know already the information about the min and max block height.

the problem is when we have a smarter Bitcoin backend that is able
to switch between different clients in some cases is helpful
give the information about current known height by lightningd and
pass it down to the plugin.

In this way, the plugin knows what is the correct known height from lightnind, and can
try to fix some problems if any exit.

This is particularly useful when you are syncing a new backend from scratch
like https://github.com/cloudhead/nakamoto and we avoid returning the
lower height from the known, and avoid the crash of core lightning.

With this information, the plugin can start to sync the chain and return
the answer back only when the chain is in sync with the current status of
lightningd.

Another reason to add this field and not wait the correct block in core
lightning itself is because Bitcoin Core is extremely slow to sync up,
so the question here is, how long should we wait? The time depends
on various factors.

With this approach of informing the plugin about the height, in some cases,
you can start the syncing but move the execution to another backend until
the previous one is ready.

The problem I want to solve is that I don't want to be left in the dark when
we run `getchaininfo`, and I want to have the opportunity to wait for
the blockchain sync or decide to dispatch the request elsewhere.

Changelog-Added: Pass the current known block height down to the getchaininfo call.
Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
2023-06-13 16:27:10 +02:00
..
test lightningd: switch parsing to common/configvar 2023-06-03 10:50:29 +09:30
.gitignore Ignore all the deamon inside the git history 2021-10-28 15:51:38 +02:00
bitcoind.c feat(bitcoind): pass the current known block height 2023-06-13 16:27:10 +02:00
bitcoind.h feat(bitcoind): pass the current known block height 2023-06-13 16:27:10 +02:00
chaintopology.c feat(bitcoind): pass the current known block height 2023-06-13 16:27:10 +02:00
chaintopology.h lightningd: expose default_locktime for wider usage. 2023-04-10 17:26:47 +09:30
channel_control.c channeld: use explicit --experimental-upgrade flag, not #ifdef EXPERIMENTAL_FEATURES 2023-05-23 09:34:08 +09:30
channel_control.h doc: update BOLTs to bc86304b4b0af5fd5ce9d24f74e2ebbceb7e2730 2022-09-12 09:34:52 +09:30
channel_state.h wallet: make it clear that enum state_change is in db. 2023-03-25 15:28:02 +10:30
channel.c common: add new internal type for websockets. 2023-06-01 09:28:39 +09:30
channel.h lightningd: remember depth of closing transaction. 2023-04-07 11:49:09 +09:30
closed_channel.c lightningd: add listclosedchannels command. 2023-03-25 15:28:02 +10:30
closed_channel.h lightningd: add listclosedchannels command. 2023-03-25 15:28:02 +10:30
closing_control.c lightningd: clarify uses of dynamic (mempool) feerate floor, and static. 2023-04-10 07:31:12 +09:30
closing_control.h lightningd: trace JSON id prefixes through sendrawtx. 2022-09-16 12:31:45 +09:30
coin_mvts.c lightningd: use hash map for peers instead of linked list. 2023-01-21 08:05:31 -06:00
coin_mvts.h coin_mvt: tiny, dont import lightningd header 2022-02-07 13:02:09 +10:30
connect_control.c lightningd: listconfigs update, using configvars code. 2023-06-03 10:50:29 +09:30
connect_control.h lightningd: tell connectd we're shutting down. 2023-02-05 20:40:47 +01:00
datastore.c lightningd: unescape JSON strings for db. 2023-02-11 12:22:40 -06:00
dual_open_control.c common: add new internal type for websockets. 2023-06-01 09:28:39 +09:30
dual_open_control.h lightningd: prepare internal json routines for listpeerchannels. 2023-01-13 10:42:42 +10:30
feerate.c lightningd: allow "NNblocks" and "minimum" as feerates. 2023-04-10 07:31:12 +09:30
feerate.h lightningd: clean up feerate handling, deprecate old terms. 2023-04-10 07:31:12 +09:30
gossip_control.c cleanup: rename json_add_amount_msat_only to json_add_amount_msat 2023-03-18 15:55:49 +10:30
gossip_control.h gossipd: batch outpoints spent, add block height. 2022-09-24 15:22:27 +09:30
hsm_control.c lightningd: create small hsm_sync_req() helper for hsm queries. 2023-04-10 17:26:47 +09:30
hsm_control.h lightningd: create small hsm_sync_req() helper for hsm queries. 2023-04-10 17:26:47 +09:30
htlc_end.c channeld: don't calculate blinding shared secret, let lightningd do it. 2022-10-26 11:29:06 +10:30
htlc_end.h channeld: don't calculate blinding shared secret, let lightningd do it. 2022-10-26 11:29:06 +10:30
htlc_set.c Makefile: update bolts a0bbe47b0278b4f152dbaa4f5fab2562413a217c 2023-04-07 21:22:56 +09:30
htlc_set.h Makefile: use completely separate spec-derived files for EXPERIMENTAL_FEATURES 2020-09-08 09:42:00 +09:30
invoice.c lightningd: create small hsm_sync_req() helper for hsm queries. 2023-04-10 17:26:47 +09:30
invoice.h Makefile: use completely separate spec-derived files for EXPERIMENTAL_FEATURES 2020-09-08 09:42:00 +09:30
io_loop_with_timers.c database: pull out database code into a new module 2022-03-05 15:03:34 +10:30
io_loop_with_timers.h lightningd/io_loop_with_timers.c: Move mainloop to its own source file, have chaintopology use it. 2019-05-31 17:57:10 +02:00
jsonrpc.c common: remove json_stream_log_suppress 2023-06-05 16:16:21 +02:00
jsonrpc.h lightningd: only use non-numeric JSON ids if plugin says we can. 2022-11-21 11:23:54 +01:00
lightningd.c lightningd: switch parsing to common/configvar 2023-06-03 10:50:29 +09:30
lightningd.h lightningd: switch parsing to common/configvar 2023-06-03 10:50:29 +09:30
log_status.c check: make sure all files outside contrib/ include "config.h" first. 2021-12-06 10:05:39 +10:30
log_status.h cleanup: remove unneeded includes in header files. 2021-09-17 09:43:22 +09:30
log.c lightningd: listconfigs update, using configvars code. 2023-06-03 10:50:29 +09:30
log.h options: let log-level subsystem filter also cover nodeid. 2022-07-09 09:59:52 +09:30
Makefile lightningd: switch parsing to common/configvar 2023-06-03 10:50:29 +09:30
memdump.c lightningd: fix parent reporting for memleaks. 2023-04-10 17:26:47 +09:30
memdump.h lightningd: simplify memleak code. 2022-03-10 09:40:09 +10:30
notification.c cleanup: rename json_add_amount_msat_only to json_add_amount_msat 2023-03-18 15:55:49 +10:30
notification.h jsonrpc: make error codes an enum. 2022-09-19 10:18:55 +09:30
offer.c lightningd: create small hsm_sync_req() helper for hsm queries. 2023-04-10 17:26:47 +09:30
onchain_control.c lightningd: create small hsm_sync_req() helper for hsm queries. 2023-04-10 17:26:47 +09:30
onchain_control.h onchaind: remove 'is_replay' logic 2021-12-28 04:42:42 +10:30
onion_message.c common: update to latest onion-message spec. 2023-01-30 13:24:29 +10:30
onion_message.h common: remove support for pre v0.10.2 onionmessages. 2021-12-01 05:44:28 +10:30
opening_common.c lightningd: create small hsm_sync_req() helper for hsm queries. 2023-04-10 17:26:47 +09:30
opening_common.h openingd: Add reserve to fundchannel and multifundchannel 2022-09-21 11:25:47 +02:00
opening_control.c openingd: work harder to intuit OPT_SCID_ALIAS. 2023-06-09 10:35:06 +09:30
opening_control.h lightningd: prepare internal json routines for listpeerchannels. 2023-01-13 10:42:42 +10:30
options.c listconfigs: add plugin field if config is for a plugin. 2023-06-03 10:50:29 +09:30
options.h listconfigs: show plugin options in 'configs' with normal options. 2023-06-03 10:50:29 +09:30
pay.c Makefile: update bolts a0bbe47b0278b4f152dbaa4f5fab2562413a217c 2023-04-07 21:22:56 +09:30
pay.h jsonrpc: make error codes an enum. 2022-09-19 10:18:55 +09:30
peer_control.c common: remove websocket type from wireaddr. 2023-06-01 09:28:39 +09:30
peer_control.h listpeerchannels: add channel_type, both in hex and as array of names. 2023-03-25 15:28:02 +10:30
peer_fd.c subdaemons: remove gossipd fd from per-peer daemons. 2022-02-08 11:15:52 +10:30
peer_fd.h subdaemons: remove gossipd fd from per-peer daemons. 2022-02-08 11:15:52 +10:30
peer_htlcs.c ld: Add a couple of logging statements when forwarding 2023-04-11 11:22:30 +09:30
peer_htlcs.h lightningd: fix valgrind reported leak when we exit early. 2023-01-17 14:13:45 +10:30
ping.c common: clean up json routine locations. 2022-07-15 12:24:00 -05:00
plugin_control.c lightningd: wire plugin command JSON id through to plugin commands. 2022-09-16 12:31:45 +09:30
plugin_control.h plugins: add command field to subcommand output. 2021-06-25 09:49:33 +09:30
plugin_hook.c lightningd: don't call memcpy with NULL. 2023-01-12 11:44:10 +10:30
plugin_hook.h plugin: wire JSON id for commands which caused hooks to fire. 2022-09-16 12:31:45 +09:30
plugin.c lightningd: allow false as a default for flags. 2023-06-07 13:16:08 +09:30
plugin.h listconfigs: add plugin field if config is for a plugin. 2023-06-03 10:50:29 +09:30
routehint.c lightnind: use aliases in routehints for private channels. 2022-08-09 16:31:36 -05:00
routehint.h invoice: overhaul routehints to use topology.listincoming, cleanup. 2021-06-16 10:29:17 +09:30
signmessage.c lightningd: create small hsm_sync_req() helper for hsm queries. 2023-04-10 17:26:47 +09:30
subd.c lightningd: more graceful shutdown. 2022-09-12 14:00:41 +02:00
subd.h lightningd: more graceful shutdown. 2022-09-12 14:00:41 +02:00
watch.c lightningd/chaintopology: ensure htables are always tal objects. 2023-01-12 11:44:10 +10:30
watch.h Remove names of parameters of callbacks which confuse gcc. 2022-08-31 12:18:28 +03:00