Add compatibility tracking

Author: Connor Daly

compatibility.json

@@ -0,0 +1,15 @@
+{
+  "rpcChainVMProtocolVersion": {
+    "v0.0.11": 19,
+    "v0.0.10": 19,
+    "v0.0.9": 17,
+    "v0.0.8": 16,
+    "v0.0.7": 15,
+    "v0.0.6": 15,
+    "v0.0.5": 14,
+    "v0.0.4": 12,
+    "v0.0.3": 11,
+    "v0.0.2": 10,
+    "v0.0.1": 9
+  }
+}

version/version.go

@@ -9,5 +9,5 @@ import "github.com/ava-labs/avalanchego/version"
 var Version = &version.Semantic{
 	Major: 0,
 	Minor: 0,
-	Patch: 10,
+	Patch: 11,
 }

version/version_test.go

@@ -0,0 +1,27 @@
+package version
+
+import (
+	"encoding/json"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type rpcChainCompatibility struct {
+	RPCChainVMProtocolVersion map[string]uint `json:"rpcChainVMProtocolVersion"`
+}
+
+const compatibilityFile = "../compatibility.json"
+
+func TestCompatibility(t *testing.T) {
+	compat, err := os.ReadFile(compatibilityFile)
+	assert.NoError(t, err)
+
+	var parsedCompat rpcChainCompatibility
+	err = json.Unmarshal(compat, &parsedCompat)
+	assert.NoError(t, err)
+
+	_, valueInJSON := parsedCompat.RPCChainVMProtocolVersion[Version.String()]
+	assert.True(t, valueInJSON)
+}