diff --git a/packages/bridge-ui/src/abi/index.ts b/packages/bridge-ui/src/abi/index.ts
index 68b536b3958..7f3cb19c9cb 100644
--- a/packages/bridge-ui/src/abi/index.ts
+++ b/packages/bridge-ui/src/abi/index.ts
@@ -525,15 +525,30 @@ export const bridgeAbi = [
     anonymous: false,
     inputs: [
       {
-        name: 'messageId',
-        internalType: 'uint256',
-        type: 'uint256',
+        name: 'msgHash',
+        internalType: 'bytes32',
+        type: 'bytes32',
         indexed: true,
       },
       {
-        name: 'gasMeasured',
-        internalType: 'uint256',
-        type: 'uint256',
+        name: 'stats',
+        internalType: 'struct Bridge.GasStats',
+        type: 'tuple',
+        components: [
+          { name: 'start', internalType: 'uint256', type: 'uint256' },
+          {
+            name: 'beforeInvocation',
+            internalType: 'uint256',
+            type: 'uint256',
+          },
+          { name: 'afterInvocation', internalType: 'uint256', type: 'uint256' },
+          {
+            name: 'gasUsedInFeeCalc',
+            internalType: 'uint256',
+            type: 'uint256',
+          },
+          { name: 'end', internalType: 'uint256', type: 'uint256' },
+        ],
         indexed: false,
       },
       {
@@ -565,6 +580,32 @@ export const bridgeAbi = [
     ],
     name: 'Initialized',
   },
+  {
+    type: 'event',
+    anonymous: false,
+    inputs: [
+      {
+        name: 'message',
+        internalType: 'struct IBridge.Message',
+        type: 'tuple',
+        components: [
+          { name: 'id', internalType: 'uint64', type: 'uint64' },
+          { name: 'fee', internalType: 'uint64', type: 'uint64' },
+          { name: 'gasLimit', internalType: 'uint32', type: 'uint32' },
+          { name: 'from', internalType: 'address', type: 'address' },
+          { name: 'srcChainId', internalType: 'uint64', type: 'uint64' },
+          { name: 'srcOwner', internalType: 'address', type: 'address' },
+          { name: 'destChainId', internalType: 'uint64', type: 'uint64' },
+          { name: 'destOwner', internalType: 'address', type: 'address' },
+          { name: 'to', internalType: 'address', type: 'address' },
+          { name: 'value', internalType: 'uint256', type: 'uint256' },
+          { name: 'data', internalType: 'bytes', type: 'bytes' },
+        ],
+        indexed: false,
+      },
+    ],
+    name: 'MessageProcessed',
+  },
   {
     type: 'event',
     anonymous: false,
@@ -3174,6 +3215,13 @@ export const erc20Abi = [
     outputs: [{ name: '', internalType: 'uint48', type: 'uint48' }],
     stateMutability: 'view',
   },
+  {
+    type: 'function',
+    inputs: [],
+    name: 'currentSnapshotId',
+    outputs: [{ name: '', internalType: 'uint256', type: 'uint256' }],
+    stateMutability: 'view',
+  },
   {
     type: 'function',
     inputs: [],
@@ -3283,6 +3331,13 @@ export const erc20Abi = [
     outputs: [],
     stateMutability: 'nonpayable',
   },
+  {
+    type: 'function',
+    inputs: [{ name: 'addr', internalType: 'address', type: 'address' }],
+    name: 'isAuthorizedForSnapshot',
+    outputs: [{ name: '', internalType: 'bool', type: 'bool' }],
+    stateMutability: 'view',
+  },
   {
     type: 'function',
     inputs: [],
diff --git a/packages/bridge-ui/src/app.config.ts b/packages/bridge-ui/src/app.config.ts
index 0afc7671bcc..9f55fa25d4e 100644
--- a/packages/bridge-ui/src/app.config.ts
+++ b/packages/bridge-ui/src/app.config.ts
@@ -1,4 +1,5 @@
 export const recommendProcessingFeeConfig = {
+  GAS_RESERVE: 650_000, // based on Bridge.sol
   ethGasLimit: BigInt(900_000),
   erc20NotDeployedGasLimit: BigInt(1_650_000),
   erc20DeployedGasLimit: BigInt(1_100_000),
diff --git a/packages/bridge-ui/src/libs/bridge/ERC20Bridge.ts b/packages/bridge-ui/src/libs/bridge/ERC20Bridge.ts
index d55da9eb659..a5329724d02 100644
--- a/packages/bridge-ui/src/libs/bridge/ERC20Bridge.ts
+++ b/packages/bridge-ui/src/libs/bridge/ERC20Bridge.ts
@@ -36,11 +36,13 @@ export class ERC20Bridge extends Bridge {
     });
 
     const gasLimit = !isTokenAlreadyDeployed
-      ? BigInt(bridgeService.noERC20TokenDeployedGasLimit)
+      ? Number(bridgeService.noERC20TokenDeployedGasLimit)
       : fee > 0
-        ? bridgeService.noOwnerGasLimit
+        ? Number(bridgeService.noOwnerGasLimit)
         : BigInt(0);
 
+    log('Calculated gasLimit for message', gasLimit);
+
     const sendERC20Args: BridgeTransferOp = {
       destChainId: BigInt(destChainId),
       destOwner: to,
@@ -127,13 +129,7 @@ export class ERC20Bridge extends Bridge {
 
       if (!wallet || !wallet.account || !wallet.chain) throw new Error('Wallet is not connected');
 
-      const txHash = await writeContract(config, {
-        address: tokenAddress,
-        abi: erc20Abi,
-        functionName: 'approve',
-        args: [spenderAddress, amount],
-        chainId: wallet.chain.id,
-      });
+      const txHash = await writeContract(config, request);
 
       log('Transaction hash for approve call', txHash);
 
diff --git a/packages/bridge-ui/src/libs/bridge/ETHBridge.ts b/packages/bridge-ui/src/libs/bridge/ETHBridge.ts
index a37bb5d7e73..4c1b42de226 100644
--- a/packages/bridge-ui/src/libs/bridge/ETHBridge.ts
+++ b/packages/bridge-ui/src/libs/bridge/ETHBridge.ts
@@ -2,6 +2,7 @@ import { getWalletClient, simulateContract, writeContract } from '@wagmi/core';
 import { getContract, UserRejectedRequestError } from 'viem';
 
 import { bridgeAbi } from '$abi';
+import { recommendProcessingFeeConfig } from '$config';
 import { BridgePausedError, SendMessageError } from '$libs/error';
 import type { BridgeProver } from '$libs/proof';
 import { isBridgePaused } from '$libs/util/checkForPausedContracts';
@@ -56,16 +57,18 @@ export class ETHBridge extends Bridge {
       id: BigInt(0), // will be set in contract
     };
 
-    const getMinGasLimit = await bridgeContract.read.getMessageMinGasLimit([message]);
-    log('Min gas limit for message', getMinGasLimit);
-
-    // set msg.gasLimit to 105% of getMinGasLimit
-    const gasLimitPercentage = 105;
-    const getMinGasLimitPercentage = (getMinGasLimit * gasLimitPercentage) / 100;
-    // round it to the nearest integer
-    const gasLimit = Math.round(getMinGasLimitPercentage);
+    const minGasLimit = await bridgeContract.read.getMessageMinGasLimit([message]);
+    log('Min gas limit for message', minGasLimit);
 
+    const gasLimit = recommendProcessingFeeConfig.GAS_RESERVE + minGasLimit;
     log('Calculated gasLimit for message', gasLimit);
+
+    // // set msg.gasLimit to 105% of getMinGasLimit
+    // const gasLimitPercentage = 105;
+    // const getMinGasLimitPercentage = (getMinGasLimit * gasLimitPercentage) / 100;
+    // // round it to the nearest integer
+    // const gasLimit = Math.round(getMinGasLimitPercentage);
+
     message.gasLimit = gasLimit;
 
     log('Preparing transaction with message', message);