Merge pull request lightningdevkit#3304 from TheBlueMatt/2024-09-tokio-util-msrv

Fix MSRV builds of `lightning-transaction-sync` in CI

Author: TheBlueMatt

ci/ci-tests.sh

@@ -11,6 +11,9 @@ function PIN_RELEASE_DEPS {
 	# Starting with version 1.39.0, the `tokio` crate has an MSRV of rustc 1.70.0
 	[ "$RUSTC_MINOR_VERSION" -lt 70 ] && cargo update -p tokio --precise "1.38.1" --verbose
 
+	# Starting with version 0.7.12, the `tokio-util` crate has an MSRV of rustc 1.70.0
+	[ "$RUSTC_MINOR_VERSION" -lt 70 ] && cargo update -p tokio-util --precise "0.7.11" --verbose
+
 	return 0 # Don't fail the script if our rustc is higher than the last check
 }
 

lightning-transaction-sync/Cargo.toml

@@ -32,7 +32,7 @@ electrum-client = { version = "0.21.0", optional = true }
 
 [dev-dependencies]
 lightning = { version = "0.0.124", path = "../lightning", default-features = false, features = ["std", "_test_utils"] }
-tokio = { version = "1.35.0", features = ["full"] }
+tokio = { version = "1.35.0", features = ["macros"] }
 
 [target.'cfg(not(target_os = "windows"))'.dev-dependencies]
 electrsd = { version = "0.28.0", default-features = false, features = ["legacy"] }

msrv-no-dev-deps-check/Cargo.toml

@@ -6,6 +6,7 @@ edition = "2021"
 [dependencies]
 lightning = { path = "../lightning" }
 lightning-block-sync = { path = "../lightning-block-sync", features = [ "rest-client", "rpc-client" ] }
+lightning-transaction-sync = { path = "../lightning-transaction-sync", features = [ "esplora-async-https", "electrum" ] }
 lightning-invoice = { path = "../lightning-invoice" }
 lightning-net-tokio = { path = "../lightning-net-tokio" }
 lightning-persister = { path = "../lightning-persister" }