Bech32 addresses in dumpwallet

Output bech32 addresses in dumpwallet if address type is not as legacy

Github-Pull: #12315
Rebased-From: 45eea40aa88f047111a9b1151fe4d1bad5c560e2
Tree-SHA512: 3426292ddaeaafebc25fe84802011f5569a0cbb47fcc3209e7f00f64fc6eb1e637732722bbd02dce8d46be87d0f3687ce8370e71e9286bf7d00afc0a895faecb

src/wallet/rpcdump.cpp

@@ -71,6 +71,28 @@ std::string DecodeDumpString(const std::string &str) {
     return ret.str();
 }
 
+bool GetWalletAddressesForKey(CWallet * const pwallet, const CKeyID &keyid, std::string &strAddr, std::string &strLabel)
+{
+    bool fLabelFound = false;
+    CKey key;
+    pwallet->GetKey(keyid, key);
+    for (const auto& dest : GetAllDestinationsForKey(key.GetPubKey())) {
+        if (pwallet->mapAddressBook.count(dest)) {
+            if (!strAddr.empty()) {
+                strAddr += ",";
+            }
+            strAddr += EncodeDestination(dest);
+            strLabel = EncodeDumpString(pwallet->mapAddressBook[dest].name);
+            fLabelFound = true;
+        }
+    }
+    if (!fLabelFound) {
+        strAddr = EncodeDestination(GetDestinationForKey(key.GetPubKey(), g_address_type));
+    }
+    return fLabelFound;
+}
+
+
 UniValue importprivkey(const JSONRPCRequest& request)
 {
     CWallet * const pwallet = GetWalletForJSONRPCRequest(request);
@@ -729,12 +751,13 @@ UniValue dumpwallet(const JSONRPCRequest& request)
     for (std::vector<std::pair<int64_t, CKeyID> >::const_iterator it = vKeyBirth.begin(); it != vKeyBirth.end(); it++) {
         const CKeyID &keyid = it->second;
         std::string strTime = EncodeDumpTime(it->first);
-        std::string strAddr = EncodeDestination(keyid);
+        std::string strAddr;
+        std::string strLabel;
         CKey key;
         if (pwallet->GetKey(keyid, key)) {
             file << strprintf("%s %s ", CBitcoinSecret(key).ToString(), strTime);
-            if (pwallet->mapAddressBook.count(keyid)) {
-                file << strprintf("label=%s", EncodeDumpString(pwallet->mapAddressBook[keyid].name));
+            if (GetWalletAddressesForKey(pwallet, keyid, strAddr, strLabel)) {
+               file << strprintf("label=%s", strLabel);
             } else if (keyid == masterKeyID) {
                 file << "hdmaster=1";
             } else if (mapKeyPool.count(keyid)) {

test/functional/wallet_dump.py

@@ -20,6 +20,7 @@ def read_dump(file_name, addrs, script_addrs, hd_master_addr_old):
         found_script_addr = 0
         found_addr_chg = 0
         found_addr_rsv = 0
+        witness_addr_ret = None
         hd_master_addr_ret = None
         for line in inputfile:
             # only read non comment lines
@@ -47,7 +48,14 @@ def read_dump(file_name, addrs, script_addrs, hd_master_addr_old):
 
                     # count key types
                     for addrObj in addrs:
-                        if addrObj['address'] == addr and addrObj['hdkeypath'] == keypath and keytype == "label=":
+                        if addrObj['address'] == addr.split(",")[0] and addrObj['hdkeypath'] == keypath and keytype == "label=":
+                            # a labled entry in the wallet should contain both a native address
+                            # and the p2sh-p2wpkh address that was added at wallet setup
+                            if len(addr.split(",")) == 2:
+                                addr_list = addr.split(",")
+                                # the entry should be of the first key in the wallet
+                                assert_equal(addrs[0]['address'], addr_list[0])
+                                witness_addr_ret = addr_list[1]
                             found_addr += 1
                             break
                         elif keytype == "change=1":
@@ -63,7 +71,7 @@ def read_dump(file_name, addrs, script_addrs, hd_master_addr_old):
                             found_script_addr += 1
                             break
 
-        return found_addr, found_script_addr, found_addr_chg, found_addr_rsv, hd_master_addr_ret
+        return found_addr, found_script_addr, found_addr_chg, found_addr_rsv, hd_master_addr_ret, witness_addr_ret
 
 
 class WalletDumpTest(BitcoinTestFramework):
@@ -83,6 +91,8 @@ class WalletDumpTest(BitcoinTestFramework):
         tmpdir = self.options.tmpdir
 
         # generate 20 addresses to compare against the dump
+        # but since we add a p2sh-p2wpkh address for the first pubkey in the
+        # wallet, we will expect 21 addresses in the dump
         test_addr_count = 20
         addrs = []
         for i in range(0,test_addr_count):
@@ -101,12 +111,13 @@ class WalletDumpTest(BitcoinTestFramework):
         result = self.nodes[0].dumpwallet(tmpdir + "/node0/wallet.unencrypted.dump")
         assert_equal(result['filename'], os.path.abspath(tmpdir + "/node0/wallet.unencrypted.dump"))
 
-        found_addr, found_script_addr, found_addr_chg, found_addr_rsv, hd_master_addr_unenc = \
+        found_addr, found_script_addr, found_addr_chg, found_addr_rsv, hd_master_addr_unenc, witness_addr_ret = \
             read_dump(tmpdir + "/node0/wallet.unencrypted.dump", addrs, script_addrs, None)
         assert_equal(found_addr, test_addr_count)  # all keys must be in the dump
         assert_equal(found_script_addr, 2)  # all scripts must be in the dump
         assert_equal(found_addr_chg, 50)  # 50 blocks where mined
         assert_equal(found_addr_rsv, 90*2) # 90 keys plus 100% internal keys
+        assert_equal(witness_addr_ret, witness_addr) # p2sh-p2wsh address added to the first key
 
         #encrypt wallet, restart, unlock and dump
         self.nodes[0].node_encrypt_wallet('test')
@@ -116,12 +127,13 @@ class WalletDumpTest(BitcoinTestFramework):
         self.nodes[0].keypoolrefill()
         self.nodes[0].dumpwallet(tmpdir + "/node0/wallet.encrypted.dump")
 
-        found_addr, found_script_addr, found_addr_chg, found_addr_rsv, _ = \
+        found_addr, found_script_addr, found_addr_chg, found_addr_rsv, _, witness_addr_ret = \
             read_dump(tmpdir + "/node0/wallet.encrypted.dump", addrs, script_addrs, hd_master_addr_unenc)
         assert_equal(found_addr, test_addr_count)
         assert_equal(found_script_addr, 2)
         assert_equal(found_addr_chg, 90*2 + 50)  # old reserve keys are marked as change now
         assert_equal(found_addr_rsv, 90*2) 
+        assert_equal(witness_addr_ret, witness_addr)
 
         # Overwriting should fail
         assert_raises_rpc_error(-8, "already exists", self.nodes[0].dumpwallet, tmpdir + "/node0/wallet.unencrypted.dump")