diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridge-proxy.abi.json b/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridge-proxy.abi.json
index bc9152ac..e6f36479 100644
--- a/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridge-proxy.abi.json
+++ b/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridge-proxy.abi.json
@@ -1,11 +1,11 @@
 {
     "buildInfo": {
         "rustc": {
-            "version": "1.78.0",
-            "commitHash": "9b00956e56009bab2aa15d7bff10916599e3d6d6",
-            "commitDate": "2024-04-29",
+            "version": "1.80.0",
+            "commitHash": "051478957371ee0084a7c0913941d2a8c4757bb9",
+            "commitDate": "2024-07-21",
             "channel": "Stable",
-            "short": "rustc 1.78.0 (9b00956e5 2024-04-29)"
+            "short": "rustc 1.80.0 (051478957 2024-07-21)"
         },
         "contractCrate": {
             "name": "bridge-proxy",
@@ -129,6 +129,16 @@
                 }
             ]
         },
+        {
+            "name": "lowestTxId",
+            "mutability": "readonly",
+            "inputs": [],
+            "outputs": [
+                {
+                    "type": "u32"
+                }
+            ]
+        },
         {
             "name": "pause",
             "onlyOwner": true,
diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridge-proxy.wasm b/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridge-proxy.wasm
index 94ccf995..0b33e2da 100755
Binary files a/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridge-proxy.wasm and b/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridge-proxy.wasm differ
diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridged-tokens-wrapper.abi.json b/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridged-tokens-wrapper.abi.json
index 1287c24b..7f31c722 100644
--- a/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridged-tokens-wrapper.abi.json
+++ b/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridged-tokens-wrapper.abi.json
@@ -1,11 +1,11 @@
 {
     "buildInfo": {
         "rustc": {
-            "version": "1.78.0",
-            "commitHash": "9b00956e56009bab2aa15d7bff10916599e3d6d6",
-            "commitDate": "2024-04-29",
+            "version": "1.80.0",
+            "commitHash": "051478957371ee0084a7c0913941d2a8c4757bb9",
+            "commitDate": "2024-07-21",
             "channel": "Stable",
-            "short": "rustc 1.78.0 (9b00956e5 2024-04-29)"
+            "short": "rustc 1.80.0 (051478957 2024-07-21)"
         },
         "contractCrate": {
             "name": "bridged-tokens-wrapper",
diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridged-tokens-wrapper.wasm b/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridged-tokens-wrapper.wasm
index ea8a30cc..af292cff 100755
Binary files a/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridged-tokens-wrapper.wasm and b/integrationTests/relayers/slowTests/testdata/contracts/mvx/bridged-tokens-wrapper.wasm differ
diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/esdt-safe.abi.json b/integrationTests/relayers/slowTests/testdata/contracts/mvx/esdt-safe.abi.json
index 68049513..cf42170d 100644
--- a/integrationTests/relayers/slowTests/testdata/contracts/mvx/esdt-safe.abi.json
+++ b/integrationTests/relayers/slowTests/testdata/contracts/mvx/esdt-safe.abi.json
@@ -1,11 +1,11 @@
 {
     "buildInfo": {
         "rustc": {
-            "version": "1.78.0",
-            "commitHash": "9b00956e56009bab2aa15d7bff10916599e3d6d6",
-            "commitDate": "2024-04-29",
+            "version": "1.80.0",
+            "commitHash": "051478957371ee0084a7c0913941d2a8c4757bb9",
+            "commitDate": "2024-07-21",
             "channel": "Stable",
-            "short": "rustc 1.78.0 (9b00956e5 2024-04-29)"
+            "short": "rustc 1.80.0 (051478957 2024-07-21)"
         },
         "contractCrate": {
             "name": "esdt-safe",
diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/esdt-safe.wasm b/integrationTests/relayers/slowTests/testdata/contracts/mvx/esdt-safe.wasm
index 55d0266a..342bbc41 100755
Binary files a/integrationTests/relayers/slowTests/testdata/contracts/mvx/esdt-safe.wasm and b/integrationTests/relayers/slowTests/testdata/contracts/mvx/esdt-safe.wasm differ
diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/multi-transfer-esdt.abi.json b/integrationTests/relayers/slowTests/testdata/contracts/mvx/multi-transfer-esdt.abi.json
index 2b33988e..d4f1b2ce 100644
--- a/integrationTests/relayers/slowTests/testdata/contracts/mvx/multi-transfer-esdt.abi.json
+++ b/integrationTests/relayers/slowTests/testdata/contracts/mvx/multi-transfer-esdt.abi.json
@@ -1,11 +1,11 @@
 {
     "buildInfo": {
         "rustc": {
-            "version": "1.78.0",
-            "commitHash": "9b00956e56009bab2aa15d7bff10916599e3d6d6",
-            "commitDate": "2024-04-29",
+            "version": "1.80.0",
+            "commitHash": "051478957371ee0084a7c0913941d2a8c4757bb9",
+            "commitDate": "2024-07-21",
             "channel": "Stable",
-            "short": "rustc 1.78.0 (9b00956e5 2024-04-29)"
+            "short": "rustc 1.80.0 (051478957 2024-07-21)"
         },
         "contractCrate": {
             "name": "multi-transfer-esdt",
diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/multi-transfer-esdt.wasm b/integrationTests/relayers/slowTests/testdata/contracts/mvx/multi-transfer-esdt.wasm
index 1af6fbd2..93ed39d8 100755
Binary files a/integrationTests/relayers/slowTests/testdata/contracts/mvx/multi-transfer-esdt.wasm and b/integrationTests/relayers/slowTests/testdata/contracts/mvx/multi-transfer-esdt.wasm differ
diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/multisig.abi.json b/integrationTests/relayers/slowTests/testdata/contracts/mvx/multisig.abi.json
index 5c359251..6ea09bd6 100644
--- a/integrationTests/relayers/slowTests/testdata/contracts/mvx/multisig.abi.json
+++ b/integrationTests/relayers/slowTests/testdata/contracts/mvx/multisig.abi.json
@@ -1,11 +1,11 @@
 {
     "buildInfo": {
         "rustc": {
-            "version": "1.78.0",
-            "commitHash": "9b00956e56009bab2aa15d7bff10916599e3d6d6",
-            "commitDate": "2024-04-29",
+            "version": "1.80.0",
+            "commitHash": "051478957371ee0084a7c0913941d2a8c4757bb9",
+            "commitDate": "2024-07-21",
             "channel": "Stable",
-            "short": "rustc 1.78.0 (9b00956e5 2024-04-29)"
+            "short": "rustc 1.80.0 (051478957 2024-07-21)"
         },
         "contractCrate": {
             "name": "multisig",
diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/multisig.wasm b/integrationTests/relayers/slowTests/testdata/contracts/mvx/multisig.wasm
index 1fd02385..a7805b0e 100755
Binary files a/integrationTests/relayers/slowTests/testdata/contracts/mvx/multisig.wasm and b/integrationTests/relayers/slowTests/testdata/contracts/mvx/multisig.wasm differ
diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/test-caller.abi.json b/integrationTests/relayers/slowTests/testdata/contracts/mvx/test-caller.abi.json
index e7c1a897..ee4eb128 100644
--- a/integrationTests/relayers/slowTests/testdata/contracts/mvx/test-caller.abi.json
+++ b/integrationTests/relayers/slowTests/testdata/contracts/mvx/test-caller.abi.json
@@ -1,11 +1,11 @@
 {
     "buildInfo": {
         "rustc": {
-            "version": "1.78.0",
-            "commitHash": "9b00956e56009bab2aa15d7bff10916599e3d6d6",
-            "commitDate": "2024-04-29",
+            "version": "1.80.0",
+            "commitHash": "051478957371ee0084a7c0913941d2a8c4757bb9",
+            "commitDate": "2024-07-21",
             "channel": "Stable",
-            "short": "rustc 1.78.0 (9b00956e5 2024-04-29)"
+            "short": "rustc 1.80.0 (051478957 2024-07-21)"
         },
         "contractCrate": {
             "name": "test-caller",
diff --git a/integrationTests/relayers/slowTests/testdata/contracts/mvx/test-caller.wasm b/integrationTests/relayers/slowTests/testdata/contracts/mvx/test-caller.wasm
index 8419ee51..9692eece 100755
Binary files a/integrationTests/relayers/slowTests/testdata/contracts/mvx/test-caller.wasm and b/integrationTests/relayers/slowTests/testdata/contracts/mvx/test-caller.wasm differ