feat(protocol): add gateway transport authority contracts

tools/go-conformance/main.go

@@ -157,7 +157,7 @@ func classifyDatagram(encoded string) string {
 	if raw[2] != 1 {
 		return "invalid:unsupported_version"
 	}
-	limits := map[byte]int{1: 1024, 2: 2048, 3: 65515}
+	limits := map[byte]int{1: 1024, 2: 2048, 3: 65515, 10: 1179, 11: 1179, 12: 1179}
 	limit, ok := limits[raw[3]]
 	if !ok {
 		return "invalid:unknown_channel"

tools/native_conformance.rs

@@ -85,6 +85,7 @@ fn classify_datagram(encoded: &str) -> &'static str {
         1 => 1024,
         2 => 2048,
         3 => 65515,
+        10 | 11 | 12 => 1179,
         _ => return "invalid:unknown_channel",
     };
     if raw[4] != 0 {

tools/native_conformance.swift

@@ -50,6 +50,7 @@ func classifyDatagram(_ encoded: String) -> String {
     case 1: limit = 1024
     case 2: limit = 2048
     case 3: limit = 65515
+    case 10, 11, 12: limit = 1179
     default: return "invalid:unknown_channel"
     }
     guard raw[4] == 0 else { return "invalid:flags" }

tools/validate_frames.py

@@ -9,7 +9,7 @@ import pathlib
 ROOT = pathlib.Path(__file__).resolve().parents[1]
 HEADER_BYTES = 21
 MAX_FRAME_BYTES = 65536
-CHANNEL_LIMITS = {1: 1024, 2: 2048, 3: 65515}
+CHANNEL_LIMITS = {1: 1024, 2: 2048, 3: 65515, 10: 1179, 11: 1179, 12: 1179}
 
 
 def classify(raw: bytes) -> str: