Restore WS compression fix, self-heal, and gossip-host fix

app.js

@@ -4,12 +4,23 @@ const { spawn } = require("child_process");
 
 const app = express();
 
+// http-proxy-middleware (via node http-proxy) doesn't correctly relay
+// permessage-deflate compression negotiation for proxied WebSocket upgrades,
+// which causes clients to reject compressed frames from the upstream node
+// with "Invalid WebSocket frame: RSV1 must be clear". Stripping the
+// extension request header prevents compression from being negotiated at
+// all, avoiding the mismatch entirely.
+function stripWsCompression(proxyReq) {
+  proxyReq.removeHeader("sec-websocket-extensions");
+}
+
 // Ethereum (Anvil) - serves JSON-RPC and WebSocket on the same port
 app.use("/eth", createProxyMiddleware({
   target: "http://127.0.0.1:8545",
   changeOrigin: true,
   ws: true,
-  pathRewrite: { "^/eth": "" }
+  pathRewrite: { "^/eth": "" },
+  on: { proxyReqWs: stripWsCompression }
 }));
 
 // Rootstock (Anvil) - serves JSON-RPC and WebSocket on the same port
@@ -17,7 +28,8 @@ app.use("/rootstock", createProxyMiddleware({
   target: "http://127.0.0.1:8546",
   changeOrigin: true,
   ws: true,
-  pathRewrite: { "^/rootstock": "" }
+  pathRewrite: { "^/rootstock": "" },
+  on: { proxyReqWs: stripWsCompression }
 }));
 
 // Solana - JSON-RPC on 8899, pubsub/WebSocket on a separate port (8900 by
@@ -31,7 +43,8 @@ app.use("/solana", createProxyMiddleware({
     req.headers.upgrade && req.headers.upgrade.toLowerCase() === "websocket"
       ? "http://127.0.0.1:8900"
       : "http://127.0.0.1:8899"
-  )
+  ),
+  on: { proxyReqWs: stripWsCompression }
 }));
 
 // Per-chain log files written by start.sh

start.sh

@@ -27,10 +27,28 @@ anvil --host 0.0.0.0 --port 8546 --chain-id 30 \
 rm -f /data/solana/ledger.lock
 solana-test-validator \
   --ledger /data/solana \
+  --gossip-host 127.0.0.1 \
   --log \
   > >(tee -a /data/logs/solana.log) 2>&1 &
 SOLANA_PID=$!
 
+# A restart that catches the ledger mid-write can leave it corrupted, which
+# makes the validator panic on boot every time thereafter ("Failed to
+# process bank 0 from ledger ... InvalidBlock(Incomplete)"), permanently
+# stuck in a crash loop. Detect an early exit and wipe the ledger to start
+# fresh from genesis once, rather than looping on the same panic forever.
+sleep 5
+if ! kill -0 $SOLANA_PID 2>/dev/null; then
+  echo "WARNING: solana-test-validator crashed on boot (likely a corrupted ledger). Wiping /data/solana and retrying from genesis." >> /data/logs/solana.log
+  rm -rf /data/solana
+  mkdir -p /data/solana
+  solana-test-validator \
+    --ledger /data/solana \
+    --log \
+    > >(tee -a /data/logs/solana.log) 2>&1 &
+  SOLANA_PID=$!
+fi
+
 # Wait a bit for chains to start
 sleep 3