1 files changed, 36 insertions, 0 deletions
diff --git a/src/wallet/external_signer_scriptpubkeyman.cpp b/src/wallet/external_signer_scriptpubkeyman.cpp
new file mode 100644
index 0000000000..3dff67f35d
--- /dev/null
+++ b/src/wallet/external_signer_scriptpubkeyman.cpp
@@ -0,0 +1,36 @@
+// Copyright (c) 2020 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <chainparams.h>
+#include <wallet/external_signer.h>
+#include <wallet/external_signer_scriptpubkeyman.h>
+
+#ifdef ENABLE_EXTERNAL_SIGNER
+
+bool ExternalSignerScriptPubKeyMan::SetupDescriptor(std::unique_ptr<Descriptor> desc)
+{
+    LOCK(cs_desc_man);
+    assert(m_storage.IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
+    assert(m_storage.IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER));
+
+    int64_t creation_time = GetTime();
+
+    // Make the descriptor
+    WalletDescriptor w_desc(std::move(desc), creation_time, 0, 0, 0);
+    m_wallet_descriptor = w_desc;
+
+    // Store the descriptor
+    WalletBatch batch(m_storage.GetDatabase());
+    if (!batch.WriteDescriptor(GetID(), m_wallet_descriptor)) {
+        throw std::runtime_error(std::string(__func__) + ": writing descriptor failed");
+    }
+
+    // TopUp
+    TopUp();
+
+    m_storage.UnsetBlankWalletFlag(batch);
+    return true;
+}
+
+#endif