From 66884165edfc26f9c1ec80d9a310fd948e49bb1b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zoe=20Faltib=C3=A0?= <zoefaltiba@gmail.com>
Date: Tue, 4 Aug 2026 18:24:09 +0200
Subject: [PATCH] use rgb-lib electrum/esplora features

---
 .github/workflows/build.yml    | 2 +-
 ci/check-lint.sh               | 2 +-
 lightning-invoice/Cargo.toml   | 5 +----
 lightning/Cargo.toml           | 8 ++++----
 lightning/src/rgb_utils/mod.rs | 5 +++++
 5 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0ebb1bf72..cb0cf6d5a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -37,7 +37,7 @@ jobs:
         run: echo "RUSTFLAGS=-C linker=rust-lld" >> "$GITHUB_ENV"
       - name: Build the workspace
         shell: bash # Default on Winblows is powershell
-        run: cargo check --workspace --verbose --color always
+        run: cargo check --workspace --features lightning/electrum --verbose --color always
 
   linting:
     runs-on: ubuntu-latest
diff --git a/ci/check-lint.sh b/ci/check-lint.sh
index 9f4ec48e4..a0a15e815 100755
--- a/ci/check-lint.sh
+++ b/ci/check-lint.sh
@@ -114,4 +114,4 @@ CLIPPY() {
 		-A clippy::uninlined-format-args
 }
 
-CLIPPY
+CLIPPY "--features lightning/electrum"
diff --git a/lightning-invoice/Cargo.toml b/lightning-invoice/Cargo.toml
index 8780e1b79..dc6369cb9 100644
--- a/lightning-invoice/Cargo.toml
+++ b/lightning-invoice/Cargo.toml
@@ -24,10 +24,7 @@ serde = { version = "1.0", optional = true, default-features = false, features =
 bitcoin = { version = "0.32.2", default-features = false, features = ["secp-recovery"] }
 
 # RGB and related
-rgb-lib = { version = "=0.3.0-beta.7", features = [
-    "electrum",
-    "esplora",
-] }
+rgb-lib = { version = "=0.3.0-beta.7", default-features = false }
 
 [dev-dependencies]
 serde_json = { version = "1"}
diff --git a/lightning/Cargo.toml b/lightning/Cargo.toml
index e281c5b58..350478414 100644
--- a/lightning/Cargo.toml
+++ b/lightning/Cargo.toml
@@ -28,6 +28,9 @@ std = []
 
 dnssec = ["dnssec-prover/validation"]
 
+electrum = ["rgb-lib/electrum"]
+esplora = ["rgb-lib/esplora"]
+
 # Generates low-r bitcoin signatures, which saves 1 byte in 50% of the cases
 grind_signatures = []
 
@@ -53,10 +56,7 @@ inventory = { version = "0.3", optional = true  }
 
 # RGB and related
 futures = "0.3"
-rgb-lib = { version = "=0.3.0-beta.7", features = [
-    "electrum",
-    "esplora",
-] }
+rgb-lib = { version = "=0.3.0-beta.7", default-features = false }
 serde = { version = "^1.0", features = [
     "derive",
 ] }
diff --git a/lightning/src/rgb_utils/mod.rs b/lightning/src/rgb_utils/mod.rs
index b83579ad3..922550885 100644
--- a/lightning/src/rgb_utils/mod.rs
+++ b/lightning/src/rgb_utils/mod.rs
@@ -1,5 +1,10 @@
 //! A module to provide RGB functionality
 
+// this module uses the online APIs of rgb-lib, which are only available if rgb-lib has been built
+// with support for at least one indexer protocol
+#[cfg(not(any(feature = "electrum", feature = "esplora")))]
+compile_error!("at least one of the `electrum` and `esplora` features needs to be enabled");
+
 use crate::ln::chan_utils::{
 	get_countersigner_payment_script, BuiltCommitmentTransaction, ClosingTransaction,
 	CommitmentTransaction, HTLCOutputInCommitment,