1 files changed, 0 insertions, 119 deletions
diff --git a/src/wallet/external_signer.cpp b/src/wallet/external_signer.cpp
deleted file mode 100644
index 3396111760..0000000000
--- a/src/wallet/external_signer.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-// Copyright (c) 2018-2021 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 <core_io.h>
-#include <psbt.h>
-#include <util/strencodings.h>
-#include <util/system.h>
-#include <wallet/external_signer.h>
-
-ExternalSigner::ExternalSigner(const std::string& command, const std::string& fingerprint, std::string chain, std::string name): m_command(command), m_fingerprint(fingerprint), m_chain(chain), m_name(name) {}
-
-const std::string ExternalSigner::NetworkArg() const
-{
-    return " --chain " + m_chain;
-}
-
-#ifdef ENABLE_EXTERNAL_SIGNER
-
-bool ExternalSigner::Enumerate(const std::string& command, std::vector<ExternalSigner>& signers, std::string chain, bool ignore_errors)
-{
-    // Call <command> enumerate
-    const UniValue result = RunCommandParseJSON(command + " enumerate");
-    if (!result.isArray()) {
-        if (ignore_errors) return false;
-        throw ExternalSignerException(strprintf("'%s' received invalid response, expected array of signers", command));
-    }
-    for (UniValue signer : result.getValues()) {
-        // Check for error
-        const UniValue& error = find_value(signer, "error");
-        if (!error.isNull()) {
-            if (ignore_errors) return false;
-            if (!error.isStr()) {
-                throw ExternalSignerException(strprintf("'%s' error", command));
-            }
-            throw ExternalSignerException(strprintf("'%s' error: %s", command, error.getValStr()));
-        }
-        // Check if fingerprint is present
-        const UniValue& fingerprint = find_value(signer, "fingerprint");
-        if (fingerprint.isNull()) {
-            if (ignore_errors) return false;
-            throw ExternalSignerException(strprintf("'%s' received invalid response, missing signer fingerprint", command));
-        }
-        std::string fingerprintStr = fingerprint.get_str();
-        // Skip duplicate signer
-        bool duplicate = false;
-        for (ExternalSigner signer : signers) {
-            if (signer.m_fingerprint.compare(fingerprintStr) == 0) duplicate = true;
-        }
-        if (duplicate) break;
-        std::string name = "";
-        const UniValue& model_field = find_value(signer, "model");
-        if (model_field.isStr() && model_field.getValStr() != "") {
-            name += model_field.getValStr();
-        }
-        signers.push_back(ExternalSigner(command, fingerprintStr, chain, name));
-    }
-    return true;
-}
-
-UniValue ExternalSigner::DisplayAddress(const std::string& descriptor) const
-{
-    return RunCommandParseJSON(m_command + " --fingerprint \"" + m_fingerprint + "\"" + NetworkArg() + " displayaddress --desc \"" + descriptor + "\"");
-}
-
-UniValue ExternalSigner::GetDescriptors(int account)
-{
-    return RunCommandParseJSON(m_command + " --fingerprint \"" + m_fingerprint + "\"" + NetworkArg() + " getdescriptors --account " + strprintf("%d", account));
-}
-
-bool ExternalSigner::SignTransaction(PartiallySignedTransaction& psbtx, std::string& error)
-{
-    // Serialize the PSBT
-    CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
-    ssTx << psbtx;
-
-    // Check if signer fingerprint matches any input master key fingerprint
-    bool match = false;
-    for (unsigned int i = 0; i < psbtx.inputs.size(); ++i) {
-        const PSBTInput& input = psbtx.inputs[i];
-        for (auto entry : input.hd_keypaths) {
-            if (m_fingerprint == strprintf("%08x", ReadBE32(entry.second.fingerprint))) match = true;
-        }
-    }
-
-    if (!match) {
-        error = "Signer fingerprint " + m_fingerprint + " does not match any of the inputs:\n" + EncodeBase64(ssTx.str());
-        return false;
-    }
-
-    std::string command = m_command + " --stdin --fingerprint \"" + m_fingerprint + "\"" + NetworkArg();
-    std::string stdinStr = "signtx \"" + EncodeBase64(ssTx.str()) + "\"";
-
-    const UniValue signer_result = RunCommandParseJSON(command, stdinStr);
-
-    if (find_value(signer_result, "error").isStr()) {
-        error = find_value(signer_result, "error").get_str();
-        return false;
-    }
-
-    if (!find_value(signer_result, "psbt").isStr()) {
-        error = "Unexpected result from signer";
-        return false;
-    }
-
-    PartiallySignedTransaction signer_psbtx;
-    std::string signer_psbt_error;
-    if (!DecodeBase64PSBT(signer_psbtx, find_value(signer_result, "psbt").get_str(), signer_psbt_error)) {
-        error = strprintf("TX decode failed %s", signer_psbt_error);
-        return false;
-    }
-
-    psbtx = signer_psbtx;
-
-    return true;
-}
-
-#endif