diff --git a/.gitignore b/.gitignore
index 4af7cb777..15f1e2a95 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ libbitcoin-network.pc
 
 bin
 obj
+build
 .*.swp
 *~
 /*.kdev4
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 000000000..e67097c98
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,32 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "(gdb) Launch",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/obj/nix-gnu-debug-static/libbitcoin-network-test",
+            "args": [],
+            "stopAtEntry": false,
+            "cwd": "${workspaceFolder}/obj/nix-gnu-debug-static",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                },
+                {
+                    "description": "Set Disassembly Flavor to Intel",
+                    "text": "-gdb-set disassembly-flavor intel",
+                    "ignoreFailures": true
+                }
+            ]
+        }
+    ]
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 000000000..dd9c384e2
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,4 @@
+{
+    "cmake.sourceDirectory": "/home/nixmini/Repository/Source/libbitcoin-network/builds/cmake",
+    "cmake.useCMakePresets": "always"
+}
\ No newline at end of file
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 000000000..66f3c26a7
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,34 @@
+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"type": "cmake",
+			"label": "CMake: build",
+			"command": "build",
+			"targets": [
+				"bitcoin-network",
+				"libbitcoin-network-test"
+			],
+			"preset": "${command:cmake.activeBuildPresetName}",
+			"group": "build",
+			"problemMatcher": [],
+			"detail": "CMake template build task"
+		},
+		{
+			"type": "cmake",
+			"label": "CMake: clean",
+			"command": "clean",
+			"preset": "${command:cmake.activeBuildPresetName}",
+			"problemMatcher": [],
+			"detail": "CMake template clean task"
+		},
+		{
+			"type": "cmake",
+			"label": "CMake: install",
+			"command": "install",
+			"preset": "${command:cmake.activeBuildPresetName}",
+			"problemMatcher": [],
+			"detail": "CMake template install task"
+		}
+	]
+}
\ No newline at end of file
diff --git a/builds/cmake/CMakePresets.json b/builds/cmake/CMakePresets.json
index 5dacb0f59..6b3879bfc 100644
--- a/builds/cmake/CMakePresets.json
+++ b/builds/cmake/CMakePresets.json
@@ -5,7 +5,7 @@
             "name": "nix-base",
             "description": "Factored base settings for non-windows *nix based platforms.",
             "hidden": true,
-            "installDir": "${sourceParentDir}/../../prefix/${presetName}",
+            "installDir": "${sourceParentDir}/../../../prefix/${presetName}",
             "binaryDir": "${sourceParentDir}/../obj/${presetName}",
             "condition": {
                 "type": "inList",
@@ -18,11 +18,11 @@
             "cacheVariables": {
                 "CMAKE_PREFIX_PATH": {
                   "type": "PATH",
-                  "value": "${sourceParentDir}/../../prefix/${presetName}"
+                  "value": "${sourceParentDir}/../../../prefix/${presetName}"
                 },
                 "CMAKE_LIBRARY_PATH": {
                   "type": "PATH",
-                  "value": "${sourceParentDir}/../../prefix/${presetName}/lib:$env{CMAKE_LIBRARY_PATH}"
+                  "value": "${sourceParentDir}/../../../prefix/${presetName}/lib:$env{CMAKE_LIBRARY_PATH}"
                 }
             }
         },
diff --git a/builds/vscode/network.code-workspace b/builds/vscode/network.code-workspace
new file mode 100644
index 000000000..6668a2a22
--- /dev/null
+++ b/builds/vscode/network.code-workspace
@@ -0,0 +1,11 @@
+{
+	"folders": [
+		{
+			"path": "../../../libbitcoin-system"
+		},
+		{
+			"path": "../../../libbitcoin-network"
+		}
+	],
+	"settings": {}
+}
diff --git a/src/messages/transaction.cpp b/src/messages/transaction.cpp
index 5005b8ad3..806bb9227 100644
--- a/src/messages/transaction.cpp
+++ b/src/messages/transaction.cpp
@@ -45,22 +45,22 @@ typename transaction::cptr transaction::deserialize(uint32_t version,
     if (!reader)
         return nullptr;
 
-    const auto& tx = *message->transaction_ptr;
+    const auto& tx = message->transaction_ptr;
 
     // Cache transaction hashes.
     // If !witness then wire txs cannot have been segregated.
-    if (tx.is_segregated())
+    if (tx->is_segregated())
     {
-        const auto true_size = tx.serialized_size(true);
-        const auto false_size = tx.serialized_size(false);
-        tx.set_witness_hash(bitcoin_hash(true_size, data.data()));
-        tx.set_nominal_hash(chain::transaction::desegregated_hash(
+        const auto true_size = tx->serialized_size(true);
+        const auto false_size = tx->serialized_size(false);
+        tx->set_witness_hash(bitcoin_hash(true_size, data.data()));
+        tx->set_nominal_hash(chain::transaction::desegregated_hash(
             true_size, false_size, data.data()));
     }
     else
     {
-        const auto false_size = tx.serialized_size(false);
-        tx.set_nominal_hash(bitcoin_hash(false_size, data.data()));
+        const auto false_size = tx->serialized_size(false);
+        tx->set_nominal_hash(bitcoin_hash(false_size, data.data()));
     }
 
     return message;