diff --git a/examples/zksync/scripts/changeFeeParams.js b/examples/zksync/scripts/changeFeeParams.js
index 325e340..2ea35e2 100644
--- a/examples/zksync/scripts/changeFeeParams.js
+++ b/examples/zksync/scripts/changeFeeParams.js
@@ -69,13 +69,13 @@ task('changeFeeParams', 'Change fee params for zkLink').setAction(async (taskArg
   /**
    * The estimateL1ToL2Execute method gives us the gasLimit for sending an L1->L2 message
    */
-  const l2Addr = utils.applyL1ToL2Alias(l2GatewayAddr);
+  const l1GatewayAliasAddr = utils.applyL1ToL2Alias(l1GatewayAddr);
   const l2GasLimit = await l2Provider.estimateL1ToL2Execute({
-    contractAddress: l2Addr,
+    caller: l1GatewayAliasAddr,
+    contractAddress: l2GatewayAddr,
     calldata: l2GatewayCallData,
-    overrides: {
-      value: zkLinkCallValue,
-    },
+    l2Value: zkLinkCallValue,
+    gasPerPubdataByte: utils.REQUIRED_L1_TO_L2_GAS_PER_PUBDATA_LIMIT,
   });
   console.log(`Estimate gasLimit on L1 is ${l2GasLimit.valueOf()}`);
 
diff --git a/examples/zksync/scripts/governance.js b/examples/zksync/scripts/governance.js
index e137c69..035782a 100644
--- a/examples/zksync/scripts/governance.js
+++ b/examples/zksync/scripts/governance.js
@@ -130,19 +130,19 @@ async function encodeL1ToL2Calldata(taskArgs, hre, networkInfo) {
   console.log(`The l2 call value to target address: ${l2CallValue}`);
   console.log(`The refund address: ${refundAddress}`);
 
-  const l2GovernanceAddr = utils.applyL1ToL2Alias(l1GovernanceAddr);
-  console.log(`The l2 governance address: ${l2GovernanceAddr}`);
+  const l1GovernanceAliasAddr = utils.applyL1ToL2Alias(l1GovernanceAddr);
+  console.log(`The l2 governance address: ${l1GovernanceAliasAddr}`);
 
   /**
    * The estimateL1ToL2Execute method gives us the gasLimit for sending an L1->L2 message
    */
 
   const l2GasLimit = await l2Provider.estimateL1ToL2Execute({
-    contractAddress: l2GovernanceAddr,
+    caller: l1GovernanceAliasAddr,
+    contractAddress: l2ToContractAddress,
     calldata: l2CallData,
-    overrides: {
-      value: l2CallValue,
-    },
+    l2Value: l2CallValue,
+    gasPerPubdataByte: utils.REQUIRED_L1_TO_L2_GAS_PER_PUBDATA_LIMIT,
   });
   console.log(`Estimate gasLimit on L1 is ${l2GasLimit.valueOf()}`);
 
diff --git a/examples/zksync/scripts/setValidator.js b/examples/zksync/scripts/setValidator.js
index 16fb061..f2433cd 100644
--- a/examples/zksync/scripts/setValidator.js
+++ b/examples/zksync/scripts/setValidator.js
@@ -80,13 +80,13 @@ task('setValidator', 'Set validator for zkLink')
     /**
      * The estimateL1ToL2Execute method gives us the gasLimit for sending an L1->L2 message
      */
-    const l2Addr = utils.applyL1ToL2Alias(l2GatewayAddr);
+    const l1GatewayAliasAddr = utils.applyL1ToL2Alias(l1GatewayAddr);
     const l2GasLimit = await l2Provider.estimateL1ToL2Execute({
-      contractAddress: l2Addr,
+      caller: l1GatewayAliasAddr,
+      contractAddress: l2GatewayAddr,
       calldata: l2GatewayCallData,
-      overrides: {
-        value: zkLinkCallValue,
-      },
+      l2Value: zkLinkCallValue,
+      gasPerPubdataByte: utils.REQUIRED_L1_TO_L2_GAS_PER_PUBDATA_LIMIT,
     });
     console.log(`Estimate gasLimit on L1 is ${l2GasLimit.valueOf()}`);
 
diff --git a/examples/zksync/scripts/syncBatchRoot.js b/examples/zksync/scripts/syncBatchRoot.js
index dfd2d7c..8200024 100644
--- a/examples/zksync/scripts/syncBatchRoot.js
+++ b/examples/zksync/scripts/syncBatchRoot.js
@@ -89,13 +89,13 @@ task('syncBatchRoot', 'Send batch root from arbitrator to zkLink')
     /**
      * The estimateL1ToL2Execute method gives us the gasLimit for sending an L1->L2 message
      */
-    const l2Addr = utils.applyL1ToL2Alias(l2GatewayAddr);
+    const l1GatewayAliasAddr = utils.applyL1ToL2Alias(l1GatewayAddr);
     const l2GasLimit = await l2Provider.estimateL1ToL2Execute({
-      contractAddress: l2Addr,
+      caller: l1GatewayAliasAddr,
+      contractAddress: l2GatewayAddr,
       calldata: l2GatewayCallData,
-      overrides: {
-        value: zkLinkCallValue,
-      },
+      l2Value: zkLinkCallValue,
+      gasPerPubdataByte: utils.REQUIRED_L1_TO_L2_GAS_PER_PUBDATA_LIMIT,
     });
     console.log(`Estimate gasLimit on L1 is ${l2GasLimit.valueOf()}`);