Railgun-Community · munikes · Aug 25, 2026
diff --git a/package.json b/package.json
@@ -31,8 +31,8 @@
   "dependencies": {
     "@0x/contract-addresses": "^8.0.0",
     "@noble/ed25519": "^1.7.1",
-    "@railgun-community/shared-models": "^8.0.0",
-    "@railgun-community/wallet": "^10.8.1",
+    "@railgun-community/shared-models": "^8.0.1",
+    "@railgun-community/wallet": "^10.9.0",
     "@walletconnect/jsonrpc-types": "^1.0.2",
     "@walletconnect/jsonrpc-utils": "^1.0.4",
     "axios": "1.7.2",

diff --git a/src/server/api/block-native/gas-by-speed-block-native.ts b/src/server/api/block-native/gas-by-speed-block-native.ts
@@ -207,6 +207,12 @@ export const getGasDetailsBySpeedBlockNative = async (
           },
         };
       }
+      case EVMGasType.Type4: {
+        // EIP-7702 not yet supported by this broadcaster.
+        throw new Error(
+          'EVMGasType 4 (EIP-7702) not yet supported for gas-by-speed lookups.',
+        );
+      }
     }
   } catch (err) {
     dbg(err);

diff --git a/src/server/fees/gas-by-speed.ts b/src/server/fees/gas-by-speed.ts
@@ -164,6 +164,12 @@ export const getGasDetailsForSpeed = async (
       );
       return gasDetailsBySpeed[percentile];
     }
+    case EVMGasType.Type4: {
+      // EIP-7702 not yet supported by this broadcaster.
+      throw new Error(
+        'EVMGasType 4 (EIP-7702) not yet supported for gas-by-speed lookups.',
+      );
+    }
   }
 };
 

diff --git a/src/server/fees/gas-estimate.ts b/src/server/fees/gas-estimate.ts
@@ -124,6 +124,11 @@ export const getEstimateGasDetailsRelayed = async (
     // minGasPrice not allowed on EVMGasType 2
     throw new Error('EVMGasType 2 not allowed for Broadcaster transactions.');
   }
+  if (evmGasType === EVMGasType.Type4) {
+    // EIP-7702 (Type4) transactions use maxFeePerGas/maxPriorityFeePerGas,
+    // not gasPrice - not yet supported on this relayed estimation path.
+    throw new Error('EVMGasType 4 (EIP-7702) not yet supported for Broadcaster transactions.');
+  }
   const gasPrice = minGasPrice;
   const transactionWithOptionalMinGas: ContractTransaction = {
     ...transaction,

diff --git a/src/server/transactions/process-transaction.ts b/src/server/transactions/process-transaction.ts
@@ -58,6 +58,12 @@ export const processTransaction = async (
   if (evmGasType === EVMGasType.Type2) {
     throw new Error('Invalid gas type for Broadcaster transaction.');
   }
+  if (evmGasType === EVMGasType.Type4) {
+    // EIP-7702 requests are rejected earlier, in transact-method.ts, before
+    // reaching this point - this is a defensive guard, not expected in
+    // practice today.
+    throw new Error('EVMGasType 4 (EIP-7702) not yet supported for Broadcaster transactions.');
+  }
 
   const transactionRequestForGasEstimate: ContractTransaction = {
     ...transaction,

diff --git a/src/server/waku-broadcaster/methods/transact-method.ts b/src/server/waku-broadcaster/methods/transact-method.ts
@@ -27,6 +27,7 @@ import configNetworks from '../../config/config-networks';
 import {
   BroadcasterEncryptedMethodParams,
   BroadcasterRawParamsTransact,
+  BroadcasterTransactRequestType,
   TXIDVersion,
   isDefined,
   versionCompare,
@@ -98,6 +99,17 @@ export const transactMethod = async (
     return undefined;
   }
 
+  // EIP-7702 (TX7702) requests are not yet supported by this broadcaster.
+  // Reject explicitly instead of assuming the old COMMON-only shape - the
+  // fields below (to/data/minGasPrice/useRelayAdapt/etc.) only exist on the
+  // COMMON variant.
+  if (decrypted.transactType !== BroadcasterTransactRequestType.COMMON) {
+    dbg('Cannot process tx - TX7702 (EIP-7702) requests not yet supported');
+    // Do nothing. No error response.
+    await incrementReliability(incomingChain, ReliabilityMetric.BAD_DATA);
+    return undefined;
+  }
+
   const {
     chainType,
     chainID,

diff --git a/yarn.lock b/yarn.lock
@@ -1353,10 +1353,10 @@
   resolved "https://registry.yarnpkg.com/@railgun-community/curve25519-scalarmult-wasm/-/curve25519-scalarmult-wasm-0.1.5.tgz#edb5e40a8f1fdb7f7e0de1d04e8badabe41cb2a8"
   integrity sha512-Cur8uM/IdNW3WzUwdPloDG1CF0rpSBDWq2yGXJMZ7IMeBGdc4Jj0h9tnNMFRZ35ZuCVVbZ3yClmqSa4PsbpdGQ==
 
-"@railgun-community/engine@9.5.1":
-  version "9.5.1"
-  resolved "https://registry.yarnpkg.com/@railgun-community/engine/-/engine-9.5.1.tgz#ed761969c133ef85edc15900de7fdad96dbeeb37"
-  integrity sha512-tLX0WSHABzRC1VB7vhdwSBDFUYCFqRYHD2ek5/GT9+AZaKZJ6fU+UrAJYKxyEaGJ066l3M70fChc0Q6qM21scQ==
+"@railgun-community/engine@^9.6.0":
+  version "9.6.0"
+  resolved "https://registry.yarnpkg.com/@railgun-community/engine/-/engine-9.6.0.tgz#c2d2f07bd37dce7c95f65ab827131e4c1fdc0683"
+  integrity sha512-dFMhO8i+hxFIr/u0gtaVKV0C3SRaM6bHccfIzzJ/nAWQOK5gPI/h6cgkw0ICjycDUy8ZSkism19jWsIuIBJVwg==
   dependencies:
     "@noble/ciphers" "^0.4.0"
     "@noble/ed25519" "^1.7.1"
@@ -1371,7 +1371,7 @@
     chai-as-promised "^7.1.1"
     encoding-down "^7.1.0"
     ethereum-cryptography "^2.0.0"
-    ethers "6.13.1"
+    ethers "6.14.3"
     fast-text-encoding "^1.0.6"
     levelup "^5.1.1"
     msgpack-lite "^0.1.26"
@@ -1388,15 +1388,15 @@
   resolved "https://registry.yarnpkg.com/@railgun-community/poseidon-hash-wasm/-/poseidon-hash-wasm-1.0.1.tgz#bfd3b3f915391a59486d8c9d632069f029e152d6"
   integrity sha512-zDAbMu095ZjMqsKIoyOnuKR4Zofnqqx4eTCtnA6qYglnexX5cadxItvJa3ozhDDTmFkDGAidDssQ7Pzl3wwLDA==
 
-"@railgun-community/shared-models@8.0.0", "@railgun-community/shared-models@^8.0.0":
-  version "8.0.0"
-  resolved "https://registry.yarnpkg.com/@railgun-community/shared-models/-/shared-models-8.0.0.tgz#689d4f6a3a80060e018abeb1b351cc711f97e77c"
-  integrity sha512-JY2HOobRlZpX9CsfiOfbjA2zmG3qLYA/QUupfz0V3ERUErQIm1ZQBSdMfVDZWhflW/4As+rbsY7vc3rXLGbpvA==
+"@railgun-community/shared-models@^8.0.1":
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/@railgun-community/shared-models/-/shared-models-8.0.1.tgz#185a74f9fa60b7da74de7afde583926efc52b180"
+  integrity sha512-g5Gt3j2O8XAMoJ+SzxvzyuB/KioFXXOs+2T0wxFQS5ebXB52e+HFBZ5UFVlORCbHteaAwLiURRcR2W8hOBUuoA==
 
-"@railgun-community/wallet@^10.8.1":
-  version "10.8.1"
-  resolved "https://registry.yarnpkg.com/@railgun-community/wallet/-/wallet-10.8.1.tgz#361c6a11e41b194dcc4878ef8a66848d0d8dfd24"
-  integrity sha512-UEVydOi6k2nWEXh54gsgTpX5/ncbiV/uqnkV0DQzinXSeGcCLKNEopcogSYT/1mcIjTwHEs+rR6iNc5IwlZdcA==
+"@railgun-community/wallet@^10.9.0":
+  version "10.9.0"
+  resolved "https://registry.yarnpkg.com/@railgun-community/wallet/-/wallet-10.9.0.tgz#60061855c37cf74a045ba8a718312520ee36475d"
+  integrity sha512-y2ncKCWkG3rWSYysBzXzPsTQvKMGE2lCFVwCgKjS3JnkZAHiKRYWjWrcMw1mSrFYmNjTO1/loYO4qALGz09cbg==
   dependencies:
     "@graphql-mesh/cache-localforage" "^0.7.20"
     "@graphql-mesh/cross-helpers" "^0.3.4"
@@ -1409,16 +1409,16 @@
     "@graphql-mesh/types" "^0.91.14"
     "@graphql-mesh/utils" "^0.43.22"
     "@noble/ed25519" "^1.7.1"
-    "@railgun-community/engine" "9.5.1"
-    "@railgun-community/shared-models" "8.0.0"
+    "@railgun-community/engine" "^9.6.0"
+    "@railgun-community/shared-models" "^8.0.1"
     "@whatwg-node/fetch" "^0.8.4"
     assert "2.0.0"
     axios "1.7.2"
     brotli "^1.3.3"
     buffer "^6.0.3"
     crypto-browserify "3.12.0"
     ethereum-cryptography "^2.0.0"
-    ethers "6.13.1"
+    ethers "6.14.3"
     events "3.3.0"
     graphql "^16.6.0"
     stream-browserify "3.0.0"
@@ -1662,6 +1662,13 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-18.15.13.tgz#f64277c341150c979e42b00e4ac289290c9df469"
   integrity sha512-N+0kuo9KgrUQ1Sn/ifDXsvg0TTleP7rIy4zOBGECxAljqvqfqpTfzx0Q1NUedOixRMBfe2Whhb056a42cWs26Q==
 
+"@types/node@22.7.5":
+  version "22.7.5"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-22.7.5.tgz#cfde981727a7ab3611a481510b473ae54442b92b"
+  integrity sha512-jML7s2NAzMWc//QSJ1a3prpk78cOPchGvXJsC3C6R6PSMoooztvRVQEz89gmBTBY1SPMaqo5teB4uNHPdetShQ==
+  dependencies:
+    undici-types "~6.19.2"
+
 "@types/node@^12.12.6":
   version "12.20.55"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.20.55.tgz#c329cbd434c42164f846b909bd6f85b5537f6240"
@@ -3748,6 +3755,19 @@ ethers@6.13.1:
     tslib "2.4.0"
     ws "8.17.1"
 
+ethers@6.14.3:
+  version "6.14.3"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-6.14.3.tgz#7c4443c165ee59b2964e691600fd4586004b2000"
+  integrity sha512-qq7ft/oCJohoTcsNPFaXSQUm457MA5iWqkf1Mb11ujONdg7jBI6sAOrHaTi3j0CBqIGFSCeR/RMc+qwRRub7IA==
+  dependencies:
+    "@adraffy/ens-normalize" "1.10.1"
+    "@noble/curves" "1.2.0"
+    "@noble/hashes" "1.3.2"
+    "@types/node" "22.7.5"
+    aes-js "4.0.0-beta.5"
+    tslib "2.7.0"
+    ws "8.17.1"
+
 ethjs-unit@0.1.6:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/ethjs-unit/-/ethjs-unit-0.1.6.tgz#c665921e476e87bce2a9d588a6fe0405b2c41699"
@@ -7593,6 +7613,11 @@ tslib@2.4.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
   integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
 
+tslib@2.7.0:
+  version "2.7.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.7.0.tgz#d9b40c5c40ab59e8738f297df3087bf1a2690c01"
+  integrity sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA==
+
 tslib@^2.0.0, tslib@^2.3.1, tslib@^2.4.0, tslib@^2.5.0, tslib@^2.6.1:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.6.2.tgz#703ac29425e7b37cd6fd456e92404d46d1f3e4ae"
@@ -7732,6 +7757,11 @@ unbox-primitive@^1.0.2:
     has-symbols "^1.0.3"
     which-boxed-primitive "^1.0.2"
 
+undici-types@~6.19.2:
+  version "6.19.8"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-6.19.8.tgz#35111c9d1437ab83a7cdc0abae2f26d88eda0a02"
+  integrity sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==
+
 unique-filename@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/unique-filename/-/unique-filename-3.0.0.tgz#48ba7a5a16849f5080d26c760c86cf5cf05770ea"