Support “network” field of compatible clients config bans (#774)

src/main/kotlin/io/emeraldpay/dshackle/config/hot/CompatibleVersionsRules.kt

@@ -13,6 +13,8 @@ data class CompatibleVersionsRules(
 data class CompatibleVersionsRule(
     @param:JsonProperty("client")
     val client: String,
+    @param:JsonProperty("networks")
+    val networks: List<String>?,
     @param:JsonProperty("blacklist")
     val blacklist: List<String>?,
     @param:JsonProperty("whitelist")

src/main/kotlin/io/emeraldpay/dshackle/upstream/UpstreamValidator.kt

@@ -115,17 +115,21 @@ class VersionValidator(
         }
         val type = upstream.getLabels().first().getOrDefault("client_type", "unknown")
         val version = upstream.getLabels().first().getOrDefault("client_version", "unknown")
-        val rule = versionsConfig.get()!!.rules.find { it.client == type }
+        val chain = upstream.getChain()
+        val rule = versionsConfig.get()!!.rules.find { rule ->
+            rule.client == type &&
+                (rule.networks.isNullOrEmpty() || rule.networks.any { chain.shortNames.contains(it) })
+        }
         if (rule == null) {
-            log.info("No rules for client type $type, skipping validation for upstream ${upstream.getId()}")
+            log.info("No rules for client type $type on chain ${chain.chainCode}, skipping validation for upstream ${upstream.getId()}")
             return Mono.just(OK)
         }
         if (!rule.whitelist.isNullOrEmpty() && !rule.whitelist.contains(version)) {
-            log.warn("Version $version is in not in defined whitelist for $type, please change client version for upstream ${upstream.getId()}")
+            log.warn("Version $version is in not in defined whitelist for $type on chain ${chain.chainCode}, please change client version for upstream ${upstream.getId()}")
             return Mono.just(UNAVAILABLE)
         }
         if (!rule.blacklist.isNullOrEmpty() && rule.blacklist.contains(version)) {
-            log.warn("Version $version is in defined blacklist for $type, please change client version for upstream ${upstream.getId()}")
+            log.warn("Version $version is in defined blacklist for $type on chain ${chain.chainCode}, please change client version for upstream ${upstream.getId()}")
             return Mono.just(UNAVAILABLE)
         }
         return Mono.just(OK)

src/test/kotlin/io/emeraldpay/dshackle/config/hot/CompatibleVersionsRulesTest.kt

@@ -42,4 +42,44 @@ class CompatibleVersionsRulesTest {
         assertEquals("1.0.2", rules[1].whitelist!![0])
         assertEquals("1.0.3", rules[1].whitelist!![1])
     }
+
+    @Test
+    fun `test parsing with networks`() {
+        val raw = """
+            rules:
+              - client: "erigon"
+                networks:
+                    - ethereum
+                blacklist:
+                    - v2.40.0
+                    - 3.1.0
+              - client: "reth"
+                blacklist:
+                    - v1.4.0
+                    - v1.4.1
+              - client: "reth"
+                networks:
+                    - bsc
+                blacklist:
+                    - "reth/v1.6.0-2a4968e/x86_64-unknown-linux-gnu"
+        """.trimIndent()
+
+        val rules = Global.yamlMapper.readValue(raw, CompatibleVersionsRules::class.java)!!.rules
+        assertEquals(3, rules.size)
+
+        // First rule: erigon with networks
+        assertEquals("erigon", rules[0].client)
+        assertEquals(listOf("ethereum"), rules[0].networks)
+        assertEquals(listOf("v2.40.0", "3.1.0"), rules[0].blacklist)
+
+        // Second rule: reth without networks (applies to all)
+        assertEquals("reth", rules[1].client)
+        assertEquals(null, rules[1].networks)
+        assertEquals(listOf("v1.4.0", "v1.4.1"), rules[1].blacklist)
+
+        // Third rule: reth with networks (bsc only)
+        assertEquals("reth", rules[2].client)
+        assertEquals(listOf("bsc"), rules[2].networks)
+        assertEquals(listOf("reth/v1.6.0-2a4968e/x86_64-unknown-linux-gnu"), rules[2].blacklist)
+    }
 }