WalletAPI: 'hasMultisigPartialKeyImages' function added

src/wallet/api/wallet.cpp

@@ -1244,6 +1244,20 @@ size_t WalletImpl::importMultisigImages(const vector<string>& images) {
     return 0;
 }
 
+bool WalletImpl::hasMultisigPartialKeyImages() const {
+    try {
+        clearStatus();
+        checkMultisigWalletReady(m_wallet);
+
+        return m_wallet->has_multisig_partial_key_images();
+    } catch (const exception& e) {
+        LOG_ERROR("Error on checking for partial multisig key images: ") << e.what();
+        setStatusError(string(tr("Failed to check for partial multisig key images: ")) + e.what());
+    }
+
+    return false;
+}
+
 PendingTransaction* WalletImpl::restoreMultisigTransaction(const string& signData) {
     try {
         clearStatus();

src/wallet/api/wallet.h

@@ -139,6 +139,7 @@ public:
     bool finalizeMultisig(const std::vector<std::string>& extraMultisigInfo) override;
     bool exportMultisigImages(std::string& images) override;
     size_t importMultisigImages(const std::vector<std::string>& images) override;
+    bool hasMultisigPartialKeyImages() const override;
     PendingTransaction*  restoreMultisigTransaction(const std::string& signData) override;
 
     PendingTransaction * createTransaction(const std::string &dst_addr, const std::string &payment_id,

src/wallet/api/wallet2_api.h

@@ -720,6 +720,11 @@ struct Wallet
      * @return number of imported images
      */
     virtual size_t importMultisigImages(const std::vector<std::string>& images) = 0;
+    /**
+     * @brief hasMultisigPartialKeyImages - checks if wallet needs to import multisig key images from other participants
+     * @return true if there are partial key images
+     */
+    virtual bool hasMultisigPartialKeyImages() const = 0;
 
     /**
      * @brief restoreMultisigTransaction creates PendingTransaction from signData