WalletApi: publicMultisigSignerKey method

src/wallet/api/wallet.cpp

@@ -753,6 +753,16 @@ std::string WalletImpl::publicSpendKey() const
     return epee::string_tools::pod_to_hex(m_wallet->get_account().get_keys().m_account_address.m_spend_public_key);
 }
 
+std::string WalletImpl::publicMultisigSignerKey() const
+{
+    try {
+        crypto::public_key signer = m_wallet->get_multisig_signer_public_key();
+        return epee::string_tools::pod_to_hex(signer);
+    } catch (const std::exception&) {
+        return "";
+    }
+}
+
 std::string WalletImpl::path() const
 {
     return m_wallet->path();

src/wallet/api/wallet.h

@@ -90,6 +90,7 @@ public:
     std::string publicViewKey() const;
     std::string secretSpendKey() const;
     std::string publicSpendKey() const;
+    std::string publicMultisigSignerKey() const;
     std::string path() const;
     bool store(const std::string &path);
     std::string filename() const;

src/wallet/api/wallet2_api.h

@@ -408,6 +408,12 @@ struct Wallet
     */
     virtual std::string publicSpendKey() const = 0;
 
+    /*!
+     * \brief publicMultisigSignerKey - returns public signer key
+     * \return                        - public multisignature signer key or empty string if wallet is not multisig
+     */
+    virtual std::string publicMultisigSignerKey() const = 0;
+
     /*!
      * \brief store - stores wallet to file.
      * \param path - main filename to store wallet to. additionally stores address file and keys file.