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lnpeer/lnworker: refactor htlc_switch

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refactor `htlc_switch` to new architecture to make it more robust
against partial settlement of htlc sets and increase maintainability.
Htlcs are now processed in two steps, first the htlcs are collected into
sets from the channels, and potentially failed on their own already.
Then a second loop iterates over the htlc sets and finalizes only on
whole sets.

# Conflicts:
#	electrum/lnpeer.py
This commit is contained in:
f321x
2025-09-09 13:10:17 +02:00
parent 41d391a617
commit 0f314d1dd9
11 changed files with 1038 additions and 448 deletions
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14
tests/test_lnpeer.py
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@@ -301,7 +301,6 @@ class MockLNWallet(Logger, EventListener, NetworkRetryManager[LNPeerAddr]):
set_request_status = LNWallet.set_request_status
set_payment_status = LNWallet.set_payment_status
get_payment_status = LNWallet.get_payment_status
check_mpp_status = LNWallet.check_mpp_status
htlc_fulfilled = LNWallet.htlc_fulfilled
htlc_failed = LNWallet.htlc_failed
save_preimage = LNWallet.save_preimage
@@ -334,11 +333,9 @@ class MockLNWallet(Logger, EventListener, NetworkRetryManager[LNPeerAddr]):
unregister_hold_invoice = LNWallet.unregister_hold_invoice
add_payment_info_for_hold_invoice = LNWallet.add_payment_info_for_hold_invoice
update_mpp_with_received_htlc = LNWallet.update_mpp_with_received_htlc
update_or_create_mpp_with_received_htlc = LNWallet.update_or_create_mpp_with_received_htlc
set_mpp_resolution = LNWallet.set_mpp_resolution
is_mpp_amount_reached = LNWallet.is_mpp_amount_reached
get_mpp_amounts = LNWallet.get_mpp_amounts
get_first_timestamp_of_mpp = LNWallet.get_first_timestamp_of_mpp
bundle_payments = LNWallet.bundle_payments
get_payment_bundle = LNWallet.get_payment_bundle
_get_payment_key = LNWallet._get_payment_key
@@ -347,11 +344,14 @@ class MockLNWallet(Logger, EventListener, NetworkRetryManager[LNPeerAddr]):
maybe_cleanup_forwarding = LNWallet.maybe_cleanup_forwarding
current_target_feerate_per_kw = LNWallet.current_target_feerate_per_kw
current_low_feerate_per_kw_srk_channel = LNWallet.current_low_feerate_per_kw_srk_channel
maybe_cleanup_mpp = LNWallet.maybe_cleanup_mpp
create_onion_for_route = LNWallet.create_onion_for_route
maybe_forward_htlc = LNWallet.maybe_forward_htlc
maybe_forward_trampoline = LNWallet.maybe_forward_trampoline
maybe_forward_htlc_set = LNWallet.maybe_forward_htlc_set
_maybe_forward_htlc = LNWallet._maybe_forward_htlc
_maybe_forward_trampoline = LNWallet._maybe_forward_trampoline
_maybe_refuse_to_forward_htlc_that_corresponds_to_payreq_we_created = LNWallet._maybe_refuse_to_forward_htlc_that_corresponds_to_payreq_we_created
set_htlc_set_error = LNWallet.set_htlc_set_error
is_payment_bundle_complete = LNWallet.is_payment_bundle_complete
delete_payment_bundle = LNWallet.delete_payment_bundle
_process_htlc_log = LNWallet._process_htlc_log