diff --git a/home/byron/vouwen/SophieCAgent/workspace/src/mempool.rs b/home/byron/vouwen/SophieCAgent/workspace/src/mempool.rs
new file mode 100644
index 0000000..6009382
--- /dev/null
+++ b/home/byron/vouwen/SophieCAgent/workspace/src/mempool.rs
@@ -0,0 +1,23 @@
+use crate::wallet::WalletDb;
+use crate::config::Config;
+use crate::context::Context;
+use std::sync::Arc;
+
+pub struct MempoolNode {
+    wallet_db: WalletDb,
+    // other fields
+}
+
+impl MempoolNode {
+    pub fn new(config: Arc<Config>, context: Arc<Context>) -> Self {
+        let wallet_db = WalletDb::new(config.wallet_db_options())
+            .expect("Failed to create WalletDb");
+
+        MempoolNode {
+            wallet_db,
+            // initialize other fields
+        }
+    }
+
+    // other methods
+}
\ No newline at end of file
diff --git a/home/byron/vouwen/SophieCAgent/workspace/src/miner.rs b/home/byron/vouwen/SophieCAgent/workspace/src/miner.rs
new file mode 100644
index 0000000..df46254
--- /dev/null
+++ b/home/byron/vouwen/SophieCAgent/workspace/src/miner.rs
@@ -0,0 +1,26 @@
+// miner.rs
+
+use crate::wallet_db::WalletDb;
+use crate::config::Config;
+use crate::context::Context;
+
+pub struct MempoolNode {
+    wallet_db: WalletDb,
+    // Other fields...
+}
+
+impl MempoolNode {
+    pub fn new(config: &Config, context: &Context) -> Self {
+        // Initialize WalletDb instance
+        let wallet_db = WalletDb::new(&config.wallet_db_path, context);
+
+        MempoolNode {
+            wallet_db,
+            // Initialize other fields...
+        }
+    }
+    
+    // Other methods...
+}
+
+// Additional implementation details and methods would follow.
\ No newline at end of file