update pubspec lock [skip ci]

cw_bitcoin/pubspec.lock

@@ -661,6 +661,15 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  on_chain:
+    dependency: transitive
+    description:
+      path: "."
+      ref: cake-update-v2
+      resolved-ref: "93440dc5126369b873ca1fccc13c3c1240b1c5c2"
+      url: "https://github.com/cake-tech/on_chain.git"
+    source: git
+    version: "3.7.0"
   package_config:
     dependency: transitive
     description:

cw_monero/pubspec.lock

@@ -41,6 +41,15 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.11.0"
+  blockchain_utils:
+    dependency: transitive
+    description:
+      path: "."
+      ref: cake-update-v2
+      resolved-ref: "59fdf29d72068e0522a96a8953ed7272833a9f57"
+      url: "https://github.com/cake-tech/blockchain_utils"
+    source: git
+    version: "3.3.0"
   bluez:
     dependency: transitive
     description:
@@ -532,6 +541,15 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  on_chain:
+    dependency: transitive
+    description:
+      path: "."
+      ref: cake-update-v2
+      resolved-ref: "93440dc5126369b873ca1fccc13c3c1240b1c5c2"
+      url: "https://github.com/cake-tech/on_chain.git"
+    source: git
+    version: "3.7.0"
   package_config:
     dependency: transitive
     description:

cw_nano/pubspec.lock

@@ -57,6 +57,15 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.6"
+  blockchain_utils:
+    dependency: transitive
+    description:
+      path: "."
+      ref: cake-update-v2
+      resolved-ref: "59fdf29d72068e0522a96a8953ed7272833a9f57"
+      url: "https://github.com/cake-tech/blockchain_utils"
+    source: git
+    version: "3.3.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -537,6 +546,15 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  on_chain:
+    dependency: transitive
+    description:
+      path: "."
+      ref: cake-update-v2
+      resolved-ref: "93440dc5126369b873ca1fccc13c3c1240b1c5c2"
+      url: "https://github.com/cake-tech/on_chain.git"
+    source: git
+    version: "3.7.0"
   package_config:
     dependency: transitive
     description:

cw_wownero/pubspec.lock

@@ -41,6 +41,15 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.11.0"
+  blockchain_utils:
+    dependency: transitive
+    description:
+      path: "."
+      ref: cake-update-v2
+      resolved-ref: "59fdf29d72068e0522a96a8953ed7272833a9f57"
+      url: "https://github.com/cake-tech/blockchain_utils"
+    source: git
+    version: "3.3.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -492,6 +501,15 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  on_chain:
+    dependency: transitive
+    description:
+      path: "."
+      ref: cake-update-v2
+      resolved-ref: "93440dc5126369b873ca1fccc13c3c1240b1c5c2"
+      url: "https://github.com/cake-tech/on_chain.git"
+    source: git
+    version: "3.7.0"
   package_config:
     dependency: transitive
     description:

cw_zano/pubspec.lock

@@ -41,6 +41,15 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.11.0"
+  blockchain_utils:
+    dependency: transitive
+    description:
+      path: "."
+      ref: cake-update-v2
+      resolved-ref: "59fdf29d72068e0522a96a8953ed7272833a9f57"
+      url: "https://github.com/cake-tech/blockchain_utils"
+    source: git
+    version: "3.3.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -489,6 +498,15 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  on_chain:
+    dependency: transitive
+    description:
+      path: "."
+      ref: cake-update-v2
+      resolved-ref: "93440dc5126369b873ca1fccc13c3c1240b1c5c2"
+      url: "https://github.com/cake-tech/on_chain.git"
+    source: git
+    version: "3.7.0"
   package_config:
     dependency: transitive
     description: