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Merged
bitromortac merged 4 commits into from
Feb 24, 2026
Merged

lndclient: add channel state update events #265

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8c2e2da
mod: update go version
bitromortac Feb 24, 2026
8faf164
tools: update go version
bitromortac Feb 24, 2026
375fc2b
mod: update to latest rpc change
bitromortac Feb 24, 2026
89dbb12
lndclient: add channel update events
bitromortac Sep 26, 2025
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2 changes: 1 addition & 1 deletion .github/workflows/main.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ defaults:
shell: bash

env:
GO_VERSION: 1.24.6
GO_VERSION: 1.26

jobs:
build:
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6 changes: 3 additions & 3 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ require (
github.com/btcsuite/btclog/v2 v2.0.1-0.20250728225537-6090e87c6c5b
github.com/btcsuite/btcwallet v0.16.17
github.com/btcsuite/btcwallet/wtxmgr v1.5.6
github.com/lightningnetwork/lnd v0.20.0-beta.rc4.0.20260110233730-15227a4ff50a
github.com/lightningnetwork/lnd v0.20.0-beta.rc4.0.20260223110936-dd65ba2b0106
github.com/lightningnetwork/lnd/kvdb v1.4.16
github.com/stretchr/testify v1.10.0
google.golang.org/grpc v1.59.0
Expand Down Expand Up @@ -103,7 +103,7 @@ require (
github.com/lightningnetwork/lnd/fn/v2 v2.0.9 // indirect
github.com/lightningnetwork/lnd/healthcheck v1.2.6 // indirect
github.com/lightningnetwork/lnd/queue v1.1.1 // indirect
github.com/lightningnetwork/lnd/sqldb v1.0.12 // indirect
github.com/lightningnetwork/lnd/sqldb v1.0.13-0.20260223110936-dd65ba2b0106 // indirect
github.com/lightningnetwork/lnd/ticker v1.1.1 // indirect
github.com/lightningnetwork/lnd/tlv v1.3.2 // indirect
github.com/lightningnetwork/lnd/tor v1.1.6 // indirect
Expand Down Expand Up @@ -193,4 +193,4 @@ require (
// allows us to specify that as an option.
replace google.golang.org/protobuf => github.com/lightninglabs/protobuf-go-hex-display v1.33.0-hex-display

go 1.24.9
go 1.25.5
8 changes: 4 additions & 4 deletions go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -356,8 +356,8 @@ github.com/lightninglabs/protobuf-go-hex-display v1.33.0-hex-display h1:Y2WiPkBS
github.com/lightninglabs/protobuf-go-hex-display v1.33.0-hex-display/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
github.com/lightningnetwork/lightning-onion v1.2.1-0.20240815225420-8b40adf04ab9 h1:6D3LrdagJweLLdFm1JNodZsBk6iU4TTsBBFLQ4yiXfI=
github.com/lightningnetwork/lightning-onion v1.2.1-0.20240815225420-8b40adf04ab9/go.mod h1:EDqJ3MuZIbMq0QI1czTIKDJ/GS8S14RXPwapHw8cw6w=
github.com/lightningnetwork/lnd v0.20.0-beta.rc4.0.20260110233730-15227a4ff50a h1:iRR8gWsS7rPTz7GRmyBu/QU0kXBAPi/FYxfnrhuh9Y4=
github.com/lightningnetwork/lnd v0.20.0-beta.rc4.0.20260110233730-15227a4ff50a/go.mod h1:OycW7yPCaApWsIqLthe8QHxk4dM5wOw0LPcUXjr3a5s=
github.com/lightningnetwork/lnd v0.20.0-beta.rc4.0.20260223110936-dd65ba2b0106 h1:2WFtZbLXZowrPoM4dsiYWYqGHyv7D1fpQRp8HoQ86co=
github.com/lightningnetwork/lnd v0.20.0-beta.rc4.0.20260223110936-dd65ba2b0106/go.mod h1:ybhzpoSuWJmTENgFS9N8pXnY9VCHwh07Lqygh1Pzjqw=
github.com/lightningnetwork/lnd/clock v1.1.1 h1:OfR3/zcJd2RhH0RU+zX/77c0ZiOnIMsDIBjgjWdZgA0=
github.com/lightningnetwork/lnd/clock v1.1.1/go.mod h1:mGnAhPyjYZQJmebS7aevElXKTFDuO+uNFFfMXK1W8xQ=
github.com/lightningnetwork/lnd/fn/v2 v2.0.9 h1:ZytG4ltPac/sCyg1EJDn10RGzPIDJeyennUMRdOw7Y8=
Expand All @@ -368,8 +368,8 @@ github.com/lightningnetwork/lnd/kvdb v1.4.16 h1:9BZgWdDfjmHRHLS97cz39bVuBAqMc4/p
github.com/lightningnetwork/lnd/kvdb v1.4.16/go.mod h1:HW+bvwkxNaopkz3oIgBV6NEnV4jCEZCACFUcNg4xSjM=
github.com/lightningnetwork/lnd/queue v1.1.1 h1:99ovBlpM9B0FRCGYJo6RSFDlt8/vOkQQZznVb18iNMI=
github.com/lightningnetwork/lnd/queue v1.1.1/go.mod h1:7A6nC1Qrm32FHuhx/mi1cieAiBZo5O6l8IBIoQxvkz4=
github.com/lightningnetwork/lnd/sqldb v1.0.12 h1:cNJsL+ymCtTn9DqroszZixKaD96GN32ujpHUYvrkN30=
github.com/lightningnetwork/lnd/sqldb v1.0.12/go.mod h1:Ic65SUa2pJzc3sWSZqDTrWo5qdKIS1zu/blhSddF7X8=
github.com/lightningnetwork/lnd/sqldb v1.0.13-0.20260223110936-dd65ba2b0106 h1:9XT9sZhdwUOjCb6GTvqOpgaCalrEH4mqDQOhOs+IoZc=
github.com/lightningnetwork/lnd/sqldb v1.0.13-0.20260223110936-dd65ba2b0106/go.mod h1:XaG3d8AR7/e6+HUw5jvNvm+gs6MowB+iE9myFH8Rc14=
github.com/lightningnetwork/lnd/ticker v1.1.1 h1:J/b6N2hibFtC7JLV77ULQp++QLtCwT6ijJlbdiZFbSM=
github.com/lightningnetwork/lnd/ticker v1.1.1/go.mod h1:waPTRAAcwtu7Ji3+3k+u/xH5GHovTsCoSVpho0KDvdA=
github.com/lightningnetwork/lnd/tlv v1.3.2 h1:MO4FCk7F4k5xPMqVZF6Nb/kOpxlwPrUQpYjmyKny5s0=
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17 changes: 17 additions & 0 deletions lightning_client.go
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Expand Up @@ -609,6 +609,9 @@ const (
// FullyResolvedChannelUpdate indicates that the channel event holds
// information about a channel has been fully closed.
FullyResolvedChannelUpdate

// StateChannelUpdate indicates that the channel state has been updated.
StateChannelUpdate
)

// OpenStatusUpdate is a wrapper for channel status updates following a channel
Expand Down Expand Up @@ -649,6 +652,9 @@ type ChannelEventUpdate struct {

// ClosedChannelInfo holds the channel info for a newly closed channel.
ClosedChannelInfo *ClosedChannel

// UpdatedChannelInfo holds the channel info for channel state updates.
UpdatedChannelInfo *ChannelInfo
}

// ClosedChannel represents a channel that has been closed.
Expand Down Expand Up @@ -2834,6 +2840,17 @@ func (s *lightningClient) getChannelEventUpdate(
return nil, err
}

case lnrpc.ChannelEventUpdate_CHANNEL_UPDATE:
result.UpdateType = StateChannelUpdate
channel := rpcChannelEventUpdate.GetUpdatedChannel()

result.UpdatedChannelInfo, err = s.newChannelInfo(
channel.Channel,
)
if err != nil {
return nil, err
}

default:
return nil, fmt.Errorf("unhandled update type: %v",
rpcChannelEventUpdate.Type.String())
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2 changes: 1 addition & 1 deletion tools/Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
FROM golang:1.24.9-bookworm
FROM golang:1.26.0-bookworm

RUN apt-get update && apt-get install -y git
ENV GOCACHE=/tmp/build/.cache
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2 changes: 1 addition & 1 deletion tools/go.mod
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
module github.com/lightninglabs/lndclient/tools

go 1.24.6
go 1.25.5

require (
// Once golangci-lint v2.4.1 update it here.
Expand Down