Skip to content

Move CounterpartyForwardingInfo from channel to channelmanager #1070

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 1 addition & 14 deletions lightning/src/ln/channel.rs
Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@ use ln::features::{ChannelFeatures, InitFeatures};
use ln::msgs;
use ln::msgs::{DecodeError, OptionalField, DataLossProtect};
use ln::script::ShutdownScript;
use ln::channelmanager::{PendingHTLCStatus, HTLCSource, HTLCFailReason, HTLCFailureMsg, PendingHTLCInfo, RAACommitmentOrder, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA, MAX_LOCAL_BREAKDOWN_TIMEOUT};
use ln::channelmanager::{CounterpartyForwardingInfo, PendingHTLCStatus, HTLCSource, HTLCFailReason, HTLCFailureMsg, PendingHTLCInfo, RAACommitmentOrder, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA, MAX_LOCAL_BREAKDOWN_TIMEOUT};
use ln::chan_utils::{CounterpartyCommitmentSecrets, TxCreationKeys, HTLCOutputInCommitment, HTLC_SUCCESS_TX_WEIGHT, HTLC_TIMEOUT_TX_WEIGHT, make_funding_redeemscript, ChannelPublicKeys, CommitmentTransaction, HolderCommitmentTransaction, ChannelTransactionParameters, CounterpartyChannelTransactionParameters, MAX_HTLCS, get_commitment_transaction_number_obscure_factor, ClosingTransaction};
use ln::chan_utils;
use chain::BestBlock;
Expand Down Expand Up @@ -310,19 +310,6 @@ impl HTLCCandidate {
}
}

/// Information needed for constructing an invoice route hint for this channel.
#[derive(Clone, Debug, PartialEq)]
pub struct CounterpartyForwardingInfo {
/// Base routing fee in millisatoshis.
pub fee_base_msat: u32,
/// Amount in millionths of a satoshi the channel will charge per transferred satoshi.
pub fee_proportional_millionths: u32,
/// The minimum difference in cltv_expiry between an ingoing HTLC and its outgoing counterpart,
/// such that the outgoing HTLC is forwardable to this counterparty. See `msgs::ChannelUpdate`'s
/// `cltv_expiry_delta` for more details.
pub cltv_expiry_delta: u16,
}

/// A return value enum for get_update_fulfill_htlc. See UpdateFulfillCommitFetch variants for
/// description
enum UpdateFulfillFetch {
Expand Down
14 changes: 13 additions & 1 deletion lightning/src/ln/channelmanager.rs
Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,6 @@ use chain::transaction::{OutPoint, TransactionData};
// Since this struct is returned in `list_channels` methods, expose it here in case users want to
// construct one themselves.
use ln::{PaymentHash, PaymentPreimage, PaymentSecret};
pub use ln::channel::CounterpartyForwardingInfo;
use ln::channel::{Channel, ChannelError, ChannelUpdateStatus, UpdateFulfillCommitFetch};
use ln::features::{InitFeatures, NodeFeatures};
use routing::router::{Route, RouteHop};
Expand Down Expand Up @@ -626,6 +625,19 @@ const CHECK_CLTV_EXPIRY_SANITY: u32 = MIN_CLTV_EXPIRY_DELTA as u32 - LATENCY_GRA
#[allow(dead_code)]
const CHECK_CLTV_EXPIRY_SANITY_2: u32 = MIN_CLTV_EXPIRY_DELTA as u32 - LATENCY_GRACE_PERIOD_BLOCKS - 2*CLTV_CLAIM_BUFFER;

/// Information needed for constructing an invoice route hint for this channel.
#[derive(Clone, Debug, PartialEq)]
pub struct CounterpartyForwardingInfo {
/// Base routing fee in millisatoshis.
pub fee_base_msat: u32,
/// Amount in millionths of a satoshi the channel will charge per transferred satoshi.
pub fee_proportional_millionths: u32,
/// The minimum difference in cltv_expiry between an ingoing HTLC and its outgoing counterpart,
/// such that the outgoing HTLC is forwardable to this counterparty. See `msgs::ChannelUpdate`'s
/// `cltv_expiry_delta` for more details.
pub cltv_expiry_delta: u16,
}

/// Channel parameters which apply to our counterparty. These are split out from [`ChannelDetails`]
/// to better separate parameters.
#[derive(Clone, Debug, PartialEq)]
Expand Down