From fa91d57de36d74168e01909ae97d85bfdce2e0f1 Mon Sep 17 00:00:00 2001
From: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
Date: Thu, 15 May 2025 14:50:11 +0200
Subject: [PATCH] remove unused AddrToPubKey

---
 src/rpc/util.cpp      | 23 +----------------------
 src/rpc/util.h        |  3 +--
 src/test/fuzz/key.cpp |  3 ---
 3 files changed, 2 insertions(+), 27 deletions(-)

diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp
index 4c83517c8d..ab92587188 100644
--- a/src/rpc/util.cpp
+++ b/src/rpc/util.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2017-2022 The Bitcoin Core developers
+// Copyright (c) 2017-present The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -234,27 +234,6 @@ CPubKey HexToPubKey(const std::string& hex_in)
     return vchPubKey;
 }
 
-// Retrieves a public key for an address from the given FillableSigningProvider
-CPubKey AddrToPubKey(const FillableSigningProvider& keystore, const std::string& addr_in)
-{
-    CTxDestination dest = DecodeDestination(addr_in);
-    if (!IsValidDestination(dest)) {
-        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address: " + addr_in);
-    }
-    CKeyID key = GetKeyForDestination(keystore, dest);
-    if (key.IsNull()) {
-        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("'%s' does not refer to a key", addr_in));
-    }
-    CPubKey vchPubKey;
-    if (!keystore.GetPubKey(key, vchPubKey)) {
-        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("no full public key for address %s", addr_in));
-    }
-    if (!vchPubKey.IsFullyValid()) {
-       throw JSONRPCError(RPC_INTERNAL_ERROR, "Wallet contains an invalid public key");
-    }
-    return vchPubKey;
-}
-
 // Creates a multisig address from a given list of public keys, number of signatures required, and the address type
 CTxDestination AddAndGetMultisigDestination(const int required, const std::vector<CPubKey>& pubkeys, OutputType type, FlatSigningProvider& keystore, CScript& script_out)
 {
diff --git a/src/rpc/util.h b/src/rpc/util.h
index 4eafa1eb6e..df36bc73cc 100644
--- a/src/rpc/util.h
+++ b/src/rpc/util.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2017-2022 The Bitcoin Core developers
+// Copyright (c) 2017-present The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -132,7 +132,6 @@ std::string HelpExampleRpc(const std::string& methodname, const std::string& arg
 std::string HelpExampleRpcNamed(const std::string& methodname, const RPCArgList& args);
 
 CPubKey HexToPubKey(const std::string& hex_in);
-CPubKey AddrToPubKey(const FillableSigningProvider& keystore, const std::string& addr_in);
 CTxDestination AddAndGetMultisigDestination(const int required, const std::vector<CPubKey>& pubkeys, OutputType type, FlatSigningProvider& keystore, CScript& script_out);
 
 UniValue DescribeAddress(const CTxDestination& dest);
diff --git a/src/test/fuzz/key.cpp b/src/test/fuzz/key.cpp
index c7ff2f3a28..92cf04c0ee 100644
--- a/src/test/fuzz/key.cpp
+++ b/src/test/fuzz/key.cpp
@@ -186,9 +186,6 @@ FUZZ_TARGET(key, .init = initialize_key)
         const std::string destination_address = EncodeDestination(tx_destination);
         assert(DecodeDestination(destination_address) == tx_destination);
 
-        const CPubKey pubkey_from_address_string = AddrToPubKey(fillable_signing_provider, destination_address);
-        assert(pubkey_from_address_string == pubkey);
-
         CKeyID key_id = pubkey.GetID();
         assert(!key_id.IsNull());
         assert(key_id == CKeyID{key_id});