Allow clients: false per contract in scaffold.yml

.github/workflows/tests.yml

@@ -105,8 +105,15 @@ jobs:
             echo "Could not derive protocol version from stellar-cli pin in Cargo.toml" >&2
             exit 1
           fi
-          echo "Starting local network at protocol $PROTOCOL_VERSION"
-          stellar container start local --protocol-version "$PROTOCOL_VERSION"
+          # Same pinned image the CLI starts; the floating `testing` tag can move
+          # to an RPC that no longer simulates this protocol.
+          IMAGE_TAG=$(sed -n 's/^pub const LOCAL_IMAGE_TAG: &str = "\(.*\)";/\1/p' crates/stellar-scaffold-cli/src/commands/build/docker.rs)
+          if [ -z "$IMAGE_TAG" ]; then
+            echo "Could not read LOCAL_IMAGE_TAG from docker.rs" >&2
+            exit 1
+          fi
+          echo "Starting local network at protocol $PROTOCOL_VERSION with quickstart:$IMAGE_TAG"
+          stellar container start local --protocol-version "$PROTOCOL_VERSION" --image-tag-override "$IMAGE_TAG"
           echo "Waiting for RPC + friendbot to become healthy..."
           for _ in $(seq 1 50); do
             if curl --no-progress-meter --fail-with-body -X POST "http://localhost:8000/soroban/rpc" \

crates/stellar-scaffold-cli/Cargo.toml

@@ -53,7 +53,7 @@ reqwest = { workspace = true, default-features = false, features = [
 async-trait = "0.1"
 thiserror = "2.0.17"
 serde = "1.0.228"
-serde_json = "1.0.149"
+serde_json = { version = "1.0.149", features = ["preserve_order"] }
 
 tokio = { version = "1", features = ["full"] }
 tokio-stream = { version = "0.1", features = ["io-util"] }
@@ -63,7 +63,6 @@ heck = "0.5.0"
 hex = "0.4.3"
 shlex = "1.1.0"
 toml = { version = "0.9", features = ["parse", "preserve_order"] }
-serde_yaml = "0.9"
 semver = { version = "1", features = ["serde"] }
 rand = "0.8.5"
 notify = "8.2.0"
@@ -76,7 +75,7 @@ tempfile = "3.27"
 fs_extra = "1.3"
 webbrowser = "1.2.1"
 strsim = "0.11"
-serde-saphyr = { version = "1.3", default-features = false, features = ["deserialize"] }
+serde-saphyr = { version = "1.3", default-features = false, features = ["deserialize", "serialize"] }
 
 # Cross-compiled release targets (musl via `cross`, freebsd via a foreign
 # sysroot) have no system OpenSSL or libdbus available to link against. The