Add CashAddr Address Format

Ported from Bitcoin Unlimited, Bitcoin ABC

src/qt/test/guiutiltests.cpp

@@ -0,0 +1,62 @@
+// Copyright (c) 2017 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "guiutiltests.h"
+#include "chainparams.h"
+#include "config.h"
+#include "dstencode.h"
+#include "guiutil.h"
+#include "receiverequestdialog.h"
+
+namespace {
+
+class UtilCfgDummy : public DummyConfig {
+public:
+    UtilCfgDummy() : useCashAddr(false) {}
+    void SetCashAddrEncoding(bool b) override { useCashAddr = b; }
+    bool UseCashAddrEncoding() const override { return useCashAddr; }
+    const CChainParams &GetChainParams() const override {
+        return Params(CBaseChainParams::MAIN);
+    }
+
+private:
+    bool useCashAddr;
+};
+
+} // anon ns
+
+void GUIUtilTests::dummyAddressTest() {
+    CChainParams &params = Params(CBaseChainParams::MAIN);
+    UtilCfgDummy cfg;
+    std::string dummyaddr;
+
+    cfg.SetCashAddrEncoding(false);
+    dummyaddr = GUIUtil::DummyAddress(params, cfg);
+    QVERIFY(!IsValidDestinationString(dummyaddr, params));
+    QVERIFY(!dummyaddr.empty());
+
+    cfg.SetCashAddrEncoding(true);
+    dummyaddr = GUIUtil::DummyAddress(params, cfg);
+    QVERIFY(!IsValidDestinationString(dummyaddr, params));
+    QVERIFY(!dummyaddr.empty());
+}
+
+void GUIUtilTests::toCurrentEncodingTest() {
+    UtilCfgDummy config;
+
+    // garbage in, garbage out
+    QVERIFY(ToCurrentEncoding("garbage", config) == "garbage");
+
+    QString cashaddr_pubkey =
+        "blackcoin:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a";
+    QString base58_pubkey = "1BpEi6DfDAUFd7GtittLSdBeYJvcoaVggu";
+
+    config.SetCashAddrEncoding(true);
+    QVERIFY(ToCurrentEncoding(cashaddr_pubkey, config) == cashaddr_pubkey);
+    QVERIFY(ToCurrentEncoding(base58_pubkey, config) == cashaddr_pubkey);
+
+    config.SetCashAddrEncoding(false);
+    QVERIFY(ToCurrentEncoding(cashaddr_pubkey, config) == base58_pubkey);
+    QVERIFY(ToCurrentEncoding(base58_pubkey, config) == base58_pubkey);
+}