Fix stale blacklist chain_ids, add stale-blacklist warning to sync script

Root cause of the balances-test hang in pezkuwi-wallet-android (silent
for over an hour, cancelled multiple times before finding this):
every single chain_id in blocked-chains.json was stale - none matched
anything in Nova's current chains.json (last_updated 2026-02-11, ~5
months of upstream chain-id drift since). The blacklist mechanism
silently no-opped for all 6 entries, so none of the chains it was
meant to exclude were actually excluded.

With the blacklist ineffective, several chains with genuinely dead RPC
endpoints (confirmed live 2026-07-08: 3DPass, Curio, Quartz, Subsocial
- 502s, timeouts, SSL failures) stayed in the merged output. The
Android app's ChainConnection/NodeAutobalancer has no backoff/circuit
breaker for dead endpoints, so it retried them in an extremely tight
loop (~1 attempt/second, 1500-1800+ attempts observed in a 25 minute
window per chain) - burning resources indefinitely and starving the
app's actual chain-sync/test work, which is what made the Android CI
job hang for over an hour with zero progress.

Fix: re-verified and corrected all chain_ids (matching by current
name against live chains.json), added 3DPass/Curio/Subsocial which
weren't blacklisted before, dropped entries for chains no longer
present upstream at all (Passet Hub Testnet, Darwinia Crab, DeepBrain,
Exosama - nothing to block, kept them as historical noise otherwise).

Also added a stale-blacklist warning to sync_from_nova.py: it now
tracks which blocked chain_ids actually matched something in Nova's
current chains across all versions, and prints a warning listing any
that didn't - so this exact silent drift is caught at sync time going
forward instead of rotting unnoticed for another five months.

chains/v16/chains_dev.json

@@ -3301,68 +3301,6 @@
       "defaultBlockTime": 12000
     }
   },
-  {
-    "chainId": "cd4d732201ebe5d6b014edda071c4203e16867305332301dc8d092044b28e554",
-    "parentId": "b0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe",
-    "name": "QUARTZ",
-    "assets": [
-      {
-        "assetId": 0,
-        "symbol": "QTZ",
-        "priceId": "quartz",
-        "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/chains/white/Quartz.svg",
-        "precision": 18
-      }
-    ],
-    "nodes": [
-      {
-        "url": "wss://quartz.unique.network",
-        "name": "Unique node"
-      },
-      {
-        "url": "wss://eu-ws-quartz.unique.network",
-        "name": "Unique Europe node"
-      },
-      {
-        "url": "wss://us-ws-quartz.unique.network",
-        "name": "Unique US node"
-      },
-      {
-        "url": "wss://asia-ws-quartz.unique.network",
-        "name": "Unique Asia node"
-      }
-    ],
-    "types": {
-      "url": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/chains/v2/types/quartz.json",
-      "overridesCommon": true
-    },
-    "explorers": [
-      {
-        "name": "Subscan",
-        "extrinsic": "https://quartz.subscan.io/extrinsic/{hash}",
-        "account": "https://quartz.subscan.io/account/{address}"
-      },
-      {
-        "name": "Sub.ID",
-        "account": "https://sub.id/{address}"
-      },
-      {
-        "name": "Polkaholic",
-        "account": "https://polkaholic.io/account/{address}",
-        "extrinsic": "https://polkaholic.io/tx/{hash}"
-      }
-    ],
-    "externalApi": {
-      "history": [
-        {
-          "type": "subquery",
-          "url": "https://api.subquery.network/sq/nova-wallet/nova-wallet-quartz"
-        }
-      ]
-    },
-    "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/chains/gradient/Quartz.svg",
-    "addressPrefix": 255
-  },
   {
     "chainId": "f22b7850cdd5a7657bbfd90ac86441275bbc57ace3d2698a740c7b0ec4de5ec3",
     "parentId": "b0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe",
@@ -5275,55 +5213,6 @@
       "governance-v1"
     ]
   },
-  {
-    "chainId": "4a12be580bb959937a1c7a61d5cf24428ed67fa571974b4007645d1886e7c89f",
-    "parentId": "b0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe",
-    "name": "Subsocial",
-    "assets": [
-      {
-        "assetId": 0,
-        "symbol": "SUB",
-        "precision": 10,
-        "priceId": "subsocial",
-        "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/chains/white/Subsocial.svg"
-      }
-    ],
-    "nodes": [
-      {
-        "url": "wss://para.f3joule.space",
-        "name": "Subsocial node"
-      },
-      {
-        "url": "wss://para.subsocial.network",
-        "name": "Dappforce node"
-      }
-    ],
-    "explorers": [
-      {
-        "name": "Sub.ID",
-        "account": "https://sub.id/{address}"
-      },
-      {
-        "name": "Polkaholic",
-        "account": "https://polkaholic.io/account/{address}",
-        "extrinsic": "https://polkaholic.io/tx/{hash}"
-      }
-    ],
-    "types": {
-      "url": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/chains/v2/types/subsocial.json",
-      "overridesCommon": true
-    },
-    "externalApi": {
-      "history": [
-        {
-          "type": "subquery",
-          "url": "https://api.subquery.network/sq/nova-wallet/nova-wallet-subsocial"
-        }
-      ]
-    },
-    "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/chains/gradient/Subsocial_Parachain.svg",
-    "addressPrefix": 28
-  },
   {
     "chainId": "d4c0c08ca49dc7c680c3dac71a7c0703e5b222f4b6c03fe4c5219bb8f22c18dc",
     "parentId": "b0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe",
@@ -6383,6 +6272,70 @@
       "defaultBlockTime": 12000
     }
   },
+  {
+    "chainId": "70255b4d28de0fc4e1a193d7e175ad1ccef431598211c55538f1018651a0344e",
+    "name": "Aleph Zero",
+    "assets": [
+      {
+        "assetId": 0,
+        "symbol": "AZERO",
+        "staking": [
+          "aleph-zero",
+          "nomination-pools"
+        ],
+        "priceId": "aleph-zero",
+        "precision": 12,
+        "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/chains/white/Aleph_zero.svg",
+        "buyProviders": {
+          "transak": {
+            "network": "ALEPHZERO"
+          },
+          "banxa": {
+            "coinType": "AZERO",
+            "blockchain": "AZERO"
+          }
+        }
+      }
+    ],
+    "nodes": [
+      {
+        "url": "wss://ws.azero.dev",
+        "name": "Aleph Zero node"
+      }
+    ],
+    "explorers": [
+      {
+        "name": "Subscan",
+        "extrinsic": "https://alephzero.subscan.io/extrinsic/{hash}",
+        "account": "https://alephzero.subscan.io/account/{address}"
+      }
+    ],
+    "types": {
+      "url": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/chains/v2/types/aleph_zero.json",
+      "overridesCommon": true
+    },
+    "externalApi": {
+      "history": [
+        {
+          "type": "subquery",
+          "url": "https://api.subquery.network/sq/nova-wallet/nova-wallet-aleph-zero"
+        }
+      ],
+      "staking": [
+        {
+          "type": "subquery",
+          "url": "https://api.subquery.network/sq/nova-wallet/nova-wallet-aleph-zero"
+        }
+      ]
+    },
+    "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/chains/gradient/AlephZero.svg",
+    "addressPrefix": 42,
+    "additional": {
+      "themeColor": "#10B6B1",
+      "stakingWiki": "https://docs.novawallet.io/nova-wallet-wiki/staking/aleph-zero-azero-staking",
+      "defaultBlockTime": 1000
+    }
+  },
   {
     "chainId": "daab8df776eb52ec604a5df5d388bb62a050a0aaec4556a64265b9d42755552d",
     "parentId": "91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3",
@@ -8506,48 +8459,48 @@
     ]
   },
   {
-    "chainId": "6c5894837ad89b6d92b114a2fb3eafa8fe3d26a54848e3447015442cd6ef4e66",
-    "name": "3DPass",
+    "chainId": "eip155:2109",
+    "name": "Exosama",
     "assets": [
       {
         "assetId": 0,
-        "symbol": "P3D",
-        "precision": 12,
-        "priceId": "3dpass",
-        "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/tokens/white/P3D.svg"
+        "symbol": "SAMA",
+        "priceId": "exosama-network",
+        "type": "evmNative",
+        "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/tokens/white/MOONSAMA.svg",
+        "precision": 18
       }
     ],
     "nodes": [
       {
-        "url": "wss://rpc.3dpscan.io",
-        "name": "3DPass node"
-      },
-      {
-        "url": "wss://rpc2.3dpass.org",
-        "name": "3DPass node"
+        "url": "wss://rpc.exosama.com",
+        "name": "Exosama node"
       }
     ],
     "explorers": [
       {
-        "name": "3DPass explorer",
-        "extrinsic": "https://explorer.3dpass.org/extrinsic/{hash}",
-        "account": "https://explorer.3dpass.org/account/{address}"
+        "name": "Exosama explorer",
+        "extrinsic": "https://explorer.exosama.com/tx/{hash}",
+        "account": "https://explorer.exosama.com/address/{address}"
       }
     ],
     "externalApi": {
       "history": [
         {
-          "type": "subquery",
-          "url": "https://api.subquery.network/sq/nova-wallet/nova-wallet-3dpass"
+          "type": "etherscan",
+          "url": "https://explorer.exosama.com/api",
+          "parameters": {
+            "assetType": "evm"
+          }
         }
       ]
     },
-    "types": {
-      "url": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/chains/v2/types/3dpass.json",
-      "overridesCommon": true
-    },
-    "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/chains/gradient/3DPass.svg",
-    "addressPrefix": 71
+    "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/chains/gradient/Exosama.svg",
+    "addressPrefix": 2109,
+    "options": [
+      "ethereumBased",
+      "noSubstrateRuntime"
+    ]
   },
   {
     "chainId": "e358eb1d11b31255a286c12e44fe6780b7edb171d657905a97e39f71d9c6c3ee",
@@ -8652,6 +8605,68 @@
       "ethereumBased"
     ]
   },
+  {
+    "chainId": "86e49c195aeae7c5c4a86ced251f1a28c67b3c35d8289c387ede1776cdd88b24",
+    "parentId": "b0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe",
+    "name": "Crab",
+    "assets": [
+      {
+        "assetId": 0,
+        "symbol": "CRAB",
+        "precision": 18,
+        "priceId": "darwinia-network-native-token",
+        "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/chains/white/Crab.svg"
+      },
+      {
+        "assetId": 1,
+        "symbol": "CKTON",
+        "precision": 18,
+        "type": "statemine",
+        "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/tokens/white/CKTON.svg",
+        "typeExtras": {
+          "assetId": "1026"
+        }
+      }
+    ],
+    "nodes": [
+      {
+        "url": "wss://crab-rpc.darwinia.network/",
+        "name": "Darwinia node"
+      },
+      {
+        "url": "wss://darwiniacrab-rpc.dwellir.com",
+        "name": "Dwellir node"
+      },
+      {
+        "url": "wss://crab-rpc.darwiniacommunitydao.xyz",
+        "name": "Community node"
+      }
+    ],
+    "explorers": [
+      {
+        "name": "Subscan",
+        "extrinsic": "https://crab.subscan.io/extrinsic/{hash}",
+        "account": "https://crab.subscan.io/account/{address}"
+      }
+    ],
+    "externalApi": {
+      "history": [
+        {
+          "type": "subquery",
+          "url": "https://api.subquery.network/sq/nova-wallet/nova-wallet-darwinia"
+        }
+      ]
+    },
+    "types": {
+      "url": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/chains/v2/types/darwinia_crab.json",
+      "overridesCommon": true
+    },
+    "icon": "https://raw.githubusercontent.com/novasamatech/nova-utils/master/icons/chains/gradient/Crab.svg",
+    "addressPrefix": 42,
+    "options": [
+      "ethereumBased"
+    ]
+  },
   {
     "chainId": "4a587bf17a404e3572747add7aab7bbe56e805a5479c6c436f07f36fcc8d3ae1",
     "parentId": "91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3",