From 4e5703787ea3bc1af23c446e95940a804dfe4bf4 Mon Sep 17 00:00:00 2001
From: Daniel Sanchez <sanchez.quiros.daniel@gmail.com>
Date: Mon, 16 Feb 2026 10:49:02 +0100
Subject: [PATCH] feat(wallet): Add known address functionality (#11)

* Update flake

* Add known addresses functionality
---
 CMakeLists.txt                  |  1 +
 flake.lock                      |  6 ++--
 src/i_logos_blockchain_module.h | 10 ++----
 src/known_addresses.h           | 60 +++++++++++++++++++++++++++++++++
 src/logos_blockchain_module.cpp | 16 +++++++++
 src/logos_blockchain_module.h   |  1 +
 6 files changed, 83 insertions(+), 11 deletions(-)
 create mode 100644 src/known_addresses.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 78c5401..061f666 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -160,6 +160,7 @@ target_sources(${PLUGIN_TARGET} PRIVATE
 
 set_property(TARGET ${PLUGIN_TARGET} PROPERTY PUBLIC_HEADER
         ${CMAKE_CURRENT_SOURCE_DIR}/src/i_logos_blockchain_module.h
+        ${CMAKE_CURRENT_SOURCE_DIR}/src/known_addresses.h
 )
 
 target_include_directories(${PLUGIN_TARGET} PRIVATE
diff --git a/flake.lock b/flake.lock
index d4ae78c..f244457 100644
--- a/flake.lock
+++ b/flake.lock
@@ -23,11 +23,11 @@
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1770980612,
-        "narHash": "sha256-MFSBq7BBC+yI3rv2ZWy7CF2l111zCdjNVvpR0Cc8gbI=",
+        "lastModified": 1771148003,
+        "narHash": "sha256-GhA2aeadEN24IMFYXnmCJxtJOx9ctuA8kTF7EWDqtY4=",
         "owner": "logos-blockchain",
         "repo": "logos-blockchain",
-        "rev": "5457fa1fa8568157c8165fdeab766efc65eb6e38",
+        "rev": "4c3738609e9fd4847db4f918e473da3c69b3366f",
         "type": "github"
       },
       "original": {
diff --git a/src/i_logos_blockchain_module.h b/src/i_logos_blockchain_module.h
index 747e744..0dd744f 100644
--- a/src/i_logos_blockchain_module.h
+++ b/src/i_logos_blockchain_module.h
@@ -2,14 +2,7 @@
 #define I_LOGOS_BLOCKCHAIN_MODULE_API_H
 
 #include <core/interface.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-#include <logos_blockchain.h>
-#ifdef __cplusplus
-}
-#endif
+#include "known_addresses.h"
 
 class ILogosBlockchainModule {
 public:
@@ -27,6 +20,7 @@ public:
         BalanceResult* output_balance
     ) = 0;
     virtual int wallet_transfer_funds(const TransferFundsArguments* transfer_funds_arguments, Hash* output_hash) = 0;
+    virtual int wallet_get_known_addresses(lb::KnownAddresses* output) = 0;
 };
 
 #define ILogosBlockchainModule_iid "org.logos.ilogosblockchainmodule"
diff --git a/src/known_addresses.h b/src/known_addresses.h
new file mode 100644
index 0000000..fb50d99
--- /dev/null
+++ b/src/known_addresses.h
@@ -0,0 +1,60 @@
+#pragma once
+
+#include <memory>
+#include <cstdint>
+#include <cstddef>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <logos_blockchain.h>
+#ifdef __cplusplus
+}
+#endif
+
+namespace lb {
+
+class KnownAddresses {
+public:
+    KnownAddresses() : data_(nullptr) {}
+
+    explicit KnownAddresses(::KnownAddresses addresses)
+        : data_(new ::KnownAddresses(addresses), [](::KnownAddresses* ptr) {
+            if (ptr) {
+                free_known_addresses(*ptr);
+                delete ptr;
+            }
+        }) {}
+
+    size_t size() const {
+        return data_ ? data_->len : 0;
+    }
+
+    bool empty() const {
+        return size() == 0;
+    }
+
+    const uint8_t* at(size_t index) const {
+        if (!data_ || index >= data_->len) {
+            return nullptr;
+        }
+        return data_->addresses[index];
+    }
+
+    const uint8_t* operator[](size_t index) const {
+        return at(index);
+    }
+
+    bool valid() const {
+        return data_ != nullptr;
+    }
+
+    explicit operator bool() const {
+        return valid();
+    }
+
+private:
+    std::shared_ptr<::KnownAddresses> data_;
+};
+
+} // namespace lb
diff --git a/src/logos_blockchain_module.cpp b/src/logos_blockchain_module.cpp
index 722f217..014798b 100644
--- a/src/logos_blockchain_module.cpp
+++ b/src/logos_blockchain_module.cpp
@@ -156,6 +156,22 @@ int LogosBlockchainModule::wallet_transfer_funds(
     return 0;
 }
 
+int LogosBlockchainModule::wallet_get_known_addresses(lb::KnownAddresses* output) {
+    if (!node) {
+        qWarning() << "Could not execute the operation: The node is not running.";
+        return 1;
+    }
+
+    auto [value, error] = get_known_addresses(node);
+    if (!is_ok(&error)) {
+        qCritical() << "Failed to get known addresses. Error:" << error;
+        return 1;
+    }
+
+    *output = lb::KnownAddresses(value);
+    return 0;
+}
+
 void LogosBlockchainModule::emitEvent(const QString& eventName, const QVariantList& data) {
     if (!logosAPI) {
         qWarning() << "LogosBlockchainModule: LogosAPI not available, cannot emit" << eventName;
diff --git a/src/logos_blockchain_module.h b/src/logos_blockchain_module.h
index d743401..f0a0dc3 100644
--- a/src/logos_blockchain_module.h
+++ b/src/logos_blockchain_module.h
@@ -22,6 +22,7 @@ public:
     Q_INVOKABLE int stop() override;
     Q_INVOKABLE int wallet_get_balance(const uint8_t*, const HeaderId*, BalanceResult*) override;
     Q_INVOKABLE int wallet_transfer_funds(const TransferFundsArguments*, Hash*) override;
+    Q_INVOKABLE int wallet_get_known_addresses(lb::KnownAddresses*) override;
 
 signals:
     void eventResponse(const QString& eventName, const QVariantList& data);