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Merged
merged 4 commits into from
Sep 16, 2020
Merged

Small tweaks post #633/#684 #690

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518f523
Clarify docs on payment_point slightly
TheBlueMatt Sep 14, 2020
49e0a8c
Update bindings after merge of #633, #679, #683.
TheBlueMatt Sep 14, 2020
a8be9af
Move onion failure tests from functional_tests to their own file
TheBlueMatt Sep 14, 2020
0f6b000
Fix two bugs which access the wrong peer's htlc_minimum_msat value
TheBlueMatt Sep 14, 2020
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558 changes: 431 additions & 127 deletions lightning-c-bindings/include/lightning.h
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998 changes: 534 additions & 464 deletions lightning-c-bindings/include/lightningpp.hpp
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14 changes: 12 additions & 2 deletions lightning-c-bindings/include/rust_types.h
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Expand Up @@ -104,6 +104,16 @@ struct nativeUnsignedChannelUpdateOpaque;
typedef struct nativeUnsignedChannelUpdateOpaque LDKnativeUnsignedChannelUpdate;
struct nativeChannelUpdateOpaque;
typedef struct nativeChannelUpdateOpaque LDKnativeChannelUpdate;
struct nativeQueryChannelRangeOpaque;
typedef struct nativeQueryChannelRangeOpaque LDKnativeQueryChannelRange;
struct nativeReplyChannelRangeOpaque;
typedef struct nativeReplyChannelRangeOpaque LDKnativeReplyChannelRange;
struct nativeQueryShortChannelIdsOpaque;
typedef struct nativeQueryShortChannelIdsOpaque LDKnativeQueryShortChannelIds;
struct nativeReplyShortChannelIdsEndOpaque;
typedef struct nativeReplyShortChannelIdsEndOpaque LDKnativeReplyShortChannelIdsEnd;
struct nativeGossipTimestampFilterOpaque;
typedef struct nativeGossipTimestampFilterOpaque LDKnativeGossipTimestampFilter;
struct nativeLightningErrorOpaque;
typedef struct nativeLightningErrorOpaque LDKnativeLightningError;
struct nativeCommitmentUpdateOpaque;
Expand All @@ -122,8 +132,8 @@ struct nativeChannelPublicKeysOpaque;
typedef struct nativeChannelPublicKeysOpaque LDKnativeChannelPublicKeys;
struct nativeHTLCOutputInCommitmentOpaque;
typedef struct nativeHTLCOutputInCommitmentOpaque LDKnativeHTLCOutputInCommitment;
struct nativeLocalCommitmentTransactionOpaque;
typedef struct nativeLocalCommitmentTransactionOpaque LDKnativeLocalCommitmentTransaction;
struct nativeHolderCommitmentTransactionOpaque;
typedef struct nativeHolderCommitmentTransactionOpaque LDKnativeHolderCommitmentTransaction;
struct nativeInitFeaturesOpaque;
typedef struct nativeInitFeaturesOpaque LDKnativeInitFeatures;
struct nativeNodeFeaturesOpaque;
Expand Down
10 changes: 5 additions & 5 deletions lightning-c-bindings/src/c_types/derived.rs
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Expand Up @@ -216,6 +216,11 @@ pub extern "C" fn C2Tuple_OutPointScriptZ_new(a: crate::chain::transaction::OutP
}
}

#[no_mangle]
pub type CVec_u64Z = crate::c_types::CVecTempl<u64>;
#[no_mangle]
pub static CVec_u64Z_free: extern "C" fn(CVec_u64Z) = crate::c_types::CVecTempl_free::<u64>;

#[no_mangle]
pub type CVec_UpdateAddHTLCZ = crate::c_types::CVecTempl<crate::ln::msgs::UpdateAddHTLC>;
#[no_mangle]
Expand Down Expand Up @@ -398,8 +403,3 @@ pub static CResult_RouteLightningErrorZ_ok: extern "C" fn (crate::routing::route
pub static CResult_RouteLightningErrorZ_err: extern "C" fn (crate::ln::msgs::LightningError) -> CResult_RouteLightningErrorZ =
crate::c_types::CResultTempl::<crate::routing::router::Route, crate::ln::msgs::LightningError>::err;

#[no_mangle]
pub type CVec_u64Z = crate::c_types::CVecTempl<u64>;
#[no_mangle]
pub static CVec_u64Z_free: extern "C" fn(CVec_u64Z) = crate::c_types::CVecTempl_free::<u64>;

66 changes: 33 additions & 33 deletions lightning-c-bindings/src/chain/keysinterface.rs
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82 changes: 49 additions & 33 deletions lightning-c-bindings/src/ln/chan_utils.rs
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76 changes: 38 additions & 38 deletions lightning-c-bindings/src/ln/channelmanager.rs
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Expand Up @@ -624,62 +624,62 @@ pub extern "C" fn ChannelManager_as_ChannelMessageHandler(this_arg: *const Chann
}
}
use lightning::ln::msgs::ChannelMessageHandler as ChannelMessageHandlerTraitImport;
extern "C" fn ChannelManager_ChannelMessageHandler_handle_open_channel(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, mut their_features: crate::ln::features::InitFeatures, msg: &crate::ln::msgs::OpenChannel) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_open_channel(&their_node_id.into_rust(), *unsafe { Box::from_raw(their_features.take_ptr()) }, unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_open_channel(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, mut their_features: crate::ln::features::InitFeatures, msg: &crate::ln::msgs::OpenChannel) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_open_channel(&counterparty_node_id.into_rust(), *unsafe { Box::from_raw(their_features.take_ptr()) }, unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_accept_channel(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, mut their_features: crate::ln::features::InitFeatures, msg: &crate::ln::msgs::AcceptChannel) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_accept_channel(&their_node_id.into_rust(), *unsafe { Box::from_raw(their_features.take_ptr()) }, unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_accept_channel(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, mut their_features: crate::ln::features::InitFeatures, msg: &crate::ln::msgs::AcceptChannel) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_accept_channel(&counterparty_node_id.into_rust(), *unsafe { Box::from_raw(their_features.take_ptr()) }, unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_funding_created(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::FundingCreated) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_funding_created(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_funding_created(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::FundingCreated) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_funding_created(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_funding_signed(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::FundingSigned) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_funding_signed(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_funding_signed(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::FundingSigned) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_funding_signed(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_funding_locked(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::FundingLocked) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_funding_locked(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_funding_locked(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::FundingLocked) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_funding_locked(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_shutdown(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::Shutdown) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_shutdown(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_shutdown(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::Shutdown) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_shutdown(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_closing_signed(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::ClosingSigned) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_closing_signed(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_closing_signed(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::ClosingSigned) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_closing_signed(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_add_htlc(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::UpdateAddHTLC) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_update_add_htlc(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_add_htlc(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::UpdateAddHTLC) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_update_add_htlc(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fulfill_htlc(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::UpdateFulfillHTLC) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_update_fulfill_htlc(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fulfill_htlc(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::UpdateFulfillHTLC) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_update_fulfill_htlc(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fail_htlc(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::UpdateFailHTLC) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_update_fail_htlc(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fail_htlc(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::UpdateFailHTLC) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_update_fail_htlc(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fail_malformed_htlc(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::UpdateFailMalformedHTLC) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_update_fail_malformed_htlc(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fail_malformed_htlc(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::UpdateFailMalformedHTLC) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_update_fail_malformed_htlc(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_commitment_signed(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::CommitmentSigned) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_commitment_signed(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_commitment_signed(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::CommitmentSigned) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_commitment_signed(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_revoke_and_ack(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::RevokeAndACK) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_revoke_and_ack(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_revoke_and_ack(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::RevokeAndACK) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_revoke_and_ack(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fee(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::UpdateFee) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_update_fee(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fee(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::UpdateFee) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_update_fee(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_announcement_signatures(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::AnnouncementSignatures) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_announcement_signatures(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_announcement_signatures(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::AnnouncementSignatures) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_announcement_signatures(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_channel_reestablish(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::ChannelReestablish) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_channel_reestablish(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_channel_reestablish(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::ChannelReestablish) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_channel_reestablish(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_peer_disconnected(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, mut no_connection_possible: bool) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.peer_disconnected(&their_node_id.into_rust(), no_connection_possible)
extern "C" fn ChannelManager_ChannelMessageHandler_peer_disconnected(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, mut no_connection_possible: bool) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.peer_disconnected(&counterparty_node_id.into_rust(), no_connection_possible)
}
extern "C" fn ChannelManager_ChannelMessageHandler_peer_connected(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, init_msg: &crate::ln::msgs::Init) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.peer_connected(&their_node_id.into_rust(), unsafe { &*init_msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_peer_connected(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, init_msg: &crate::ln::msgs::Init) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.peer_connected(&counterparty_node_id.into_rust(), unsafe { &*init_msg.inner })
}
extern "C" fn ChannelManager_ChannelMessageHandler_handle_error(this_arg: *const c_void, their_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::ErrorMessage) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_error(&their_node_id.into_rust(), unsafe { &*msg.inner })
extern "C" fn ChannelManager_ChannelMessageHandler_handle_error(this_arg: *const c_void, counterparty_node_id: crate::c_types::PublicKey, msg: &crate::ln::msgs::ErrorMessage) {
unsafe { &mut *(this_arg as *mut nativeChannelManager) }.handle_error(&counterparty_node_id.into_rust(), unsafe { &*msg.inner })
}
use lightning::util::events::MessageSendEventsProvider as nativeMessageSendEventsProviderTrait;
#[must_use]
Expand Down
35 changes: 24 additions & 11 deletions lightning-c-bindings/src/ln/channelmonitor.rs
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Expand Up @@ -111,7 +111,7 @@ pub enum ChannelMonitorUpdateErr {
/// our state failed, but is expected to succeed at some point in the future).
///
/// Such a failure will \"freeze\" a channel, preventing us from revoking old states or
/// submitting new commitment transactions to the remote party. Once the update(s) which failed
/// submitting new commitment transactions to the counterparty. Once the update(s) which failed
/// have been successfully applied, ChannelManager::channel_monitor_updated can be used to
/// restore the channel to an operational state.
///
Expand Down Expand Up @@ -144,11 +144,19 @@ pub enum ChannelMonitorUpdateErr {
TemporaryFailure,
/// Used to indicate no further channel monitor updates will be allowed (eg we've moved on to a
/// different watchtower and cannot update with all watchtowers that were previously informed
/// of this channel). This will force-close the channel in question (which will generate one
/// final ChannelMonitorUpdate which must be delivered to at least one ChannelMonitor copy).
/// of this channel).
///
/// Should also be used to indicate a failure to update the local persisted copy of the channel
/// monitor.
/// At reception of this error, ChannelManager will force-close the channel and return at
/// least a final ChannelMonitorUpdate::ChannelForceClosed which must be delivered to at
/// least one ChannelMonitor copy. Revocation secret MUST NOT be released and offchain channel
/// update must be rejected.
///
/// This failure may also signal a failure to update the local persisted copy of one of
/// the channel monitor instance.
///
/// Note that even when you fail a holder commitment transaction update, you must store the
/// update to ensure you can claim from it in case of a duplicate copy of this ChannelMonitor
/// broadcasts it (e.g distributed channel-monitor deployment)
PermanentFailure,
}
use lightning::ln::channelmonitor::ChannelMonitorUpdateErr as nativeChannelMonitorUpdateErr;
Expand Down Expand Up @@ -424,6 +432,11 @@ pub struct ManyChannelMonitor {
///
/// Any spends of outputs which should have been registered which aren't passed to
/// ChannelMonitors via block_connected may result in FUNDS LOSS.
///
/// In case of distributed watchtowers deployment, even if an Err is return, the new version
/// must be written to disk, as state may have been stored but rejected due to a block forcing
/// a commitment broadcast. This storage is used to claim outputs of rejected state confirmed
/// onchain by another watchtower, lagging behind on block processing.
#[must_use]
pub update_monitor: extern "C" fn (this_arg: *const c_void, funding_txo: crate::chain::transaction::OutPoint, monitor: crate::ln::channelmonitor::ChannelMonitorUpdate) -> crate::c_types::derived::CResult_NoneChannelMonitorUpdateErrZ,
/// Used by ChannelManager to get list of HTLC resolved onchain and which needed to be updated
Expand Down Expand Up @@ -531,12 +544,12 @@ pub extern "C" fn ChannelMonitor_get_and_clear_pending_events(this_arg: &mut Cha
local_ret.into()
}

/// Used by ChannelManager deserialization to broadcast the latest local state if its copy of
/// the Channel was out-of-date. You may use it to get a broadcastable local toxic tx in case of
/// fallen-behind, i.e when receiving a channel_reestablish with a proof that our remote side knows
/// a higher revocation secret than the local commitment number we are aware of. Broadcasting these
/// transactions are UNSAFE, as they allow remote side to punish you. Nevertheless you may want to
/// broadcast them if remote don't close channel with his higher commitment transaction after a
/// Used by ChannelManager deserialization to broadcast the latest holder state if its copy of
/// the Channel was out-of-date. You may use it to get a broadcastable holder toxic tx in case of
/// fallen-behind, i.e when receiving a channel_reestablish with a proof that our counterparty side knows
/// a higher revocation secret than the holder commitment number we are aware of. Broadcasting these
/// transactions are UNSAFE, as they allow counterparty side to punish you. Nevertheless you may want to
/// broadcast them if counterparty don't close channel with his higher commitment transaction after a
/// substantial amount of time (a month or even a year) to get back funds. Best may be to contact
/// out-of-band the other node operator to coordinate with him if option is available to you.
/// In any-case, choice is up to the user.
Expand Down
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