diff --git a/doc/release-notes-14454.md b/doc/release-notes-14454.md
new file mode 100644
index 000000000..dd2c6c7ce
--- /dev/null
+++ b/doc/release-notes-14454.md
@@ -0,0 +1,6 @@
+Low-level RPC changes
+----------------------
+
+The `importmulti` RPC has been updated to support P2WSH, P2WPKH, P2SH-P2WPKH,
+P2SH-P2WSH. Each request now accepts an additional `witnessscript` to be used
+for P2WSH or P2SH-P2WSH.
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index 92457c464..c17d5b48d 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -808,29 +808,24 @@ UniValue dumpwallet(const JSONRPCRequest& request)
 static UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, const int64_t timestamp) EXCLUSIVE_LOCKS_REQUIRED(pwallet->cs_wallet)
 {
     try {
-        bool success = false;
-
-        // Required fields.
+        // First ensure scriptPubKey has either a script or JSON with "address" string
         const UniValue& scriptPubKey = data["scriptPubKey"];
-
-        // Should have script or JSON with "address".
-        if (!(scriptPubKey.getType() == UniValue::VOBJ && scriptPubKey.exists("address")) && !(scriptPubKey.getType() == UniValue::VSTR)) {
-            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid scriptPubKey");
+        bool isScript = scriptPubKey.getType() == UniValue::VSTR;
+        if (!isScript && !(scriptPubKey.getType() == UniValue::VOBJ && scriptPubKey.exists("address"))) {
+            throw JSONRPCError(RPC_INVALID_PARAMETER, "scriptPubKey must be string with script or JSON with address string");
         }
+        const std::string& output = isScript ? scriptPubKey.get_str() : scriptPubKey["address"].get_str();
 
         // Optional fields.
         const std::string& strRedeemScript = data.exists("redeemscript") ? data["redeemscript"].get_str() : "";
+        const std::string& witness_script_hex = data.exists("witnessscript") ? data["witnessscript"].get_str() : "";
         const UniValue& pubKeys = data.exists("pubkeys") ? data["pubkeys"].get_array() : UniValue();
         const UniValue& keys = data.exists("keys") ? data["keys"].get_array() : UniValue();
         const bool internal = data.exists("internal") ? data["internal"].get_bool() : false;
         const bool watchOnly = data.exists("watchonly") ? data["watchonly"].get_bool() : false;
-        const std::string& label = data.exists("label") && !internal ? data["label"].get_str() : "";
+        const std::string& label = data.exists("label") ? data["label"].get_str() : "";
 
-        bool isScript = scriptPubKey.getType() == UniValue::VSTR;
-        bool isP2SH = strRedeemScript.length() > 0;
-        const std::string& output = isScript ? scriptPubKey.get_str() : scriptPubKey["address"].get_str();
-
-        // Parse the output.
+        // Generate the script and destination for the scriptPubKey provided
         CScript script;
         CTxDestination dest;
 
@@ -854,35 +849,38 @@ static UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, con
 
         // Watchonly and private keys
         if (watchOnly && keys.size()) {
-            throw JSONRPCError(RPC_INVALID_PARAMETER, "Incompatibility found between watchonly and keys");
+            throw JSONRPCError(RPC_INVALID_PARAMETER, "Watch-only addresses should not include private keys");
         }
 
-        // Internal + Label
+        // Internal addresses should not have a label
         if (internal && data.exists("label")) {
-            throw JSONRPCError(RPC_INVALID_PARAMETER, "Incompatibility found between internal and label");
+            throw JSONRPCError(RPC_INVALID_PARAMETER, "Internal addresses should not have a label");
         }
 
-        // Keys / PubKeys size check.
-        if (!isP2SH && (keys.size() > 1 || pubKeys.size() > 1)) { // Address / scriptPubKey
-            throw JSONRPCError(RPC_INVALID_PARAMETER, "More than private key given for one address");
+        // Force users to provide the witness script in its field rather than redeemscript
+        if (!strRedeemScript.empty() && script.IsPayToWitnessScriptHash()) {
+            throw JSONRPCError(RPC_INVALID_PARAMETER, "P2WSH addresses have an empty redeemscript. Please provide the witnessscript instead.");
         }
 
-        // Invalid P2SH redeemScript
-        if (isP2SH && !IsHex(strRedeemScript)) {
-            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid redeem script");
-        }
-
-        // Process. //
+        CScript scriptpubkey_script = script;
+        CTxDestination scriptpubkey_dest = dest;
+        bool allow_p2wpkh = true;
 
         // P2SH
-        if (isP2SH) {
+        if (!strRedeemScript.empty() && script.IsPayToScriptHash()) {
+            // Check the redeemScript is valid
+            if (!IsHex(strRedeemScript)) {
+                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid redeem script: must be hex string");
+            }
+
             // Import redeem script.
             std::vector<unsigned char> vData(ParseHex(strRedeemScript));
             CScript redeemScript = CScript(vData.begin(), vData.end());
+            CScriptID redeem_id(redeemScript);
 
-            // Invalid P2SH address
-            if (!script.IsPayToScriptHash()) {
-                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid P2SH address / script");
+            // Check that the redeemScript and scriptPubKey match
+            if (GetScriptForDestination(redeem_id) != script) {
+                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "The redeemScript does not match the scriptPubKey");
             }
 
             pwallet->MarkDirty();
@@ -891,103 +889,83 @@ static UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, con
                 throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
             }
 
-            CScriptID redeem_id(redeemScript);
             if (!pwallet->HaveCScript(redeem_id) && !pwallet->AddCScript(redeemScript)) {
                 throw JSONRPCError(RPC_WALLET_ERROR, "Error adding p2sh redeemScript to wallet");
             }
 
-            CScript redeemDestination = GetScriptForDestination(redeem_id);
+            // Now set script to the redeemScript so we parse the inner script as P2WSH or P2WPKH below
+            script = redeemScript;
+            ExtractDestination(script, dest);
+        }
 
-            if (::IsMine(*pwallet, redeemDestination) == ISMINE_SPENDABLE) {
-                throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
+        // (P2SH-)P2WSH
+        if (!witness_script_hex.empty() && script.IsPayToWitnessScriptHash()) {
+            if (!IsHex(witness_script_hex)) {
+                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid witness script: must be hex string");
             }
 
-            pwallet->MarkDirty();
+            // Generate the scripts
+            std::vector<unsigned char> witness_script_parsed(ParseHex(witness_script_hex));
+            CScript witness_script = CScript(witness_script_parsed.begin(), witness_script_parsed.end());
+            CScriptID witness_id(witness_script);
 
-            if (!pwallet->AddWatchOnly(redeemDestination, timestamp)) {
+            // Check that the witnessScript and scriptPubKey match
+            if (GetScriptForDestination(WitnessV0ScriptHash(witness_script)) != script) {
+                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "The witnessScript does not match the scriptPubKey or redeemScript");
+            }
+
+            // Add the witness script as watch only only if it is not for P2SH-P2WSH
+            if (!scriptpubkey_script.IsPayToScriptHash() && !pwallet->AddWatchOnly(witness_script, timestamp)) {
                 throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
             }
 
-            // add to address book or update label
-            if (IsValidDestination(dest)) {
-                pwallet->SetAddressBook(dest, label, "receive");
+            if (!pwallet->HaveCScript(witness_id) && !pwallet->AddCScript(witness_script)) {
+                throw JSONRPCError(RPC_WALLET_ERROR, "Error adding p2wsh witnessScript to wallet");
             }
 
-            // Import private keys.
+            // Now set script to the witnessScript so we parse the inner script as P2PK or P2PKH below
+            script = witness_script;
+            ExtractDestination(script, dest);
+            allow_p2wpkh = false; // P2WPKH cannot be embedded in P2WSH
+        }
+
+        // (P2SH-)P2PK/P2PKH/P2WPKH
+        if (dest.type() == typeid(CKeyID) || dest.type() == typeid(WitnessV0KeyHash)) {
+            if (!allow_p2wpkh && dest.type() == typeid(WitnessV0KeyHash)) {
+                throw JSONRPCError(RPC_INVALID_PARAMETER, "P2WPKH cannot be embedded in P2WSH");
+            }
+            if (keys.size() > 1 || pubKeys.size() > 1) {
+                throw JSONRPCError(RPC_INVALID_PARAMETER, "More than one key given for one single-key address");
+            }
+            CPubKey pubkey;
             if (keys.size()) {
-                for (size_t i = 0; i < keys.size(); i++) {
-                    const std::string& privkey = keys[i].get_str();
-
-                    CKey key = DecodeSecret(privkey);
-
-                    if (!key.IsValid()) {
-                        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
-                    }
-
-                    CPubKey pubkey = key.GetPubKey();
-                    assert(key.VerifyPubKey(pubkey));
-
-                    CKeyID vchAddress = pubkey.GetID();
-                    pwallet->MarkDirty();
-                    pwallet->SetAddressBook(vchAddress, label, "receive");
-
-                    if (pwallet->HaveKey(vchAddress)) {
-                        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Already have this key");
-                    }
-
-                    pwallet->mapKeyMetadata[vchAddress].nCreateTime = timestamp;
-
-                    if (!pwallet->AddKeyPubKey(key, pubkey)) {
-                        throw JSONRPCError(RPC_WALLET_ERROR, "Error adding key to wallet");
-                    }
-
-                    pwallet->UpdateTimeFirstKey(timestamp);
-                }
+                pubkey = DecodeSecret(keys[0].get_str()).GetPubKey();
             }
-
-            success = true;
-        } else {
-            // Import public keys.
-            if (pubKeys.size() && keys.size() == 0) {
+            if (pubKeys.size()) {
                 const std::string& strPubKey = pubKeys[0].get_str();
-
                 if (!IsHex(strPubKey)) {
                     throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey must be a hex string");
                 }
-
-                std::vector<unsigned char> vData(ParseHex(strPubKey));
-                CPubKey pubKey(vData.begin(), vData.end());
-
-                if (!pubKey.IsFullyValid()) {
+                std::vector<unsigned char> vData(ParseHex(pubKeys[0].get_str()));
+                CPubKey pubkey_temp(vData.begin(), vData.end());
+                if (pubkey.size() && pubkey_temp != pubkey) {
+                    throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key does not match public key for address");
+                }
+                pubkey = pubkey_temp;
+            }
+            if (pubkey.size() > 0) {
+                if (!pubkey.IsFullyValid()) {
                     throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey is not a valid public key");
                 }
 
-                CTxDestination pubkey_dest = pubKey.GetID();
-
-                // Consistency check.
-                if (!(pubkey_dest == dest)) {
-                    throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Consistency check failed");
+                // Check the key corresponds to the destination given
+                std::vector<CTxDestination> destinations = GetAllDestinationsForKey(pubkey);
+                if (std::find(destinations.begin(), destinations.end(), dest) == destinations.end()) {
+                    throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Key does not match address destination");
                 }
 
-                CScript pubKeyScript = GetScriptForDestination(pubkey_dest);
-
-                if (::IsMine(*pwallet, pubKeyScript) == ISMINE_SPENDABLE) {
-                    throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
-                }
-
-                pwallet->MarkDirty();
-
-                if (!pwallet->AddWatchOnly(pubKeyScript, timestamp)) {
-                    throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
-                }
-
-                // add to address book or update label
-                if (IsValidDestination(pubkey_dest)) {
-                    pwallet->SetAddressBook(pubkey_dest, label, "receive");
-                }
-
-                // TODO Is this necessary?
-                CScript scriptRawPubKey = GetScriptForRawPubKey(pubKey);
+                // This is necessary to force the wallet to import the pubKey
+                CScript scriptRawPubKey = GetScriptForRawPubKey(pubkey);
 
                 if (::IsMine(*pwallet, scriptRawPubKey) == ISMINE_SPENDABLE) {
                     throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
@@ -998,73 +976,61 @@ static UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, con
                 if (!pwallet->AddWatchOnly(scriptRawPubKey, timestamp)) {
                     throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
                 }
-
-                success = true;
-            }
-
-            // Import private keys.
-            if (keys.size()) {
-                const std::string& strPrivkey = keys[0].get_str();
-
-                // Checks.
-                CKey key = DecodeSecret(strPrivkey);
-
-                if (!key.IsValid()) {
-                    throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
-                }
-
-                CPubKey pubKey = key.GetPubKey();
-                assert(key.VerifyPubKey(pubKey));
-
-                CTxDestination pubkey_dest = pubKey.GetID();
-
-                // Consistency check.
-                if (!(pubkey_dest == dest)) {
-                    throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Consistency check failed");
-                }
-
-                CKeyID vchAddress = pubKey.GetID();
-                pwallet->MarkDirty();
-                pwallet->SetAddressBook(vchAddress, label, "receive");
-
-                if (pwallet->HaveKey(vchAddress)) {
-                    throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
-                }
-
-                pwallet->mapKeyMetadata[vchAddress].nCreateTime = timestamp;
-
-                if (!pwallet->AddKeyPubKey(key, pubKey)) {
-                    throw JSONRPCError(RPC_WALLET_ERROR, "Error adding key to wallet");
-                }
-
-                pwallet->UpdateTimeFirstKey(timestamp);
-
-                success = true;
-            }
-
-            // Import scriptPubKey only.
-            if (pubKeys.size() == 0 && keys.size() == 0) {
-                if (::IsMine(*pwallet, script) == ISMINE_SPENDABLE) {
-                    throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
-                }
-
-                pwallet->MarkDirty();
-
-                if (!pwallet->AddWatchOnly(script, timestamp)) {
-                    throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
-                }
-
-                // add to address book or update label
-                if (IsValidDestination(dest)) {
-                    pwallet->SetAddressBook(dest, label, "receive");
-                }
-
-                success = true;
             }
         }
 
+        // Import the address
+        if (::IsMine(*pwallet, scriptpubkey_script) == ISMINE_SPENDABLE) {
+            throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
+        }
+
+        pwallet->MarkDirty();
+
+        if (!pwallet->AddWatchOnly(scriptpubkey_script, timestamp)) {
+            throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
+        }
+
+        if (!watchOnly && !pwallet->HaveCScript(CScriptID(scriptpubkey_script)) && !pwallet->AddCScript(scriptpubkey_script)) {
+            throw JSONRPCError(RPC_WALLET_ERROR, "Error adding scriptPubKey script to wallet");
+        }
+
+        // add to address book or update label
+        if (IsValidDestination(scriptpubkey_dest)) {
+            pwallet->SetAddressBook(scriptpubkey_dest, label, "receive");
+        }
+
+        // Import private keys.
+        for (size_t i = 0; i < keys.size(); i++) {
+            const std::string& strPrivkey = keys[i].get_str();
+
+            // Checks.
+            CKey key = DecodeSecret(strPrivkey);
+
+            if (!key.IsValid()) {
+                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
+            }
+
+            CPubKey pubKey = key.GetPubKey();
+            assert(key.VerifyPubKey(pubKey));
+
+            CKeyID vchAddress = pubKey.GetID();
+            pwallet->MarkDirty();
+
+            if (pwallet->HaveKey(vchAddress)) {
+                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Already have this key");
+            }
+
+            pwallet->mapKeyMetadata[vchAddress].nCreateTime = timestamp;
+
+            if (!pwallet->AddKeyPubKey(key, pubKey)) {
+                throw JSONRPCError(RPC_WALLET_ERROR, "Error adding key to wallet");
+            }
+
+            pwallet->UpdateTimeFirstKey(timestamp);
+        }
+
         UniValue result = UniValue(UniValue::VOBJ);
-        result.pushKV("success", UniValue(success));
+        result.pushKV("success", UniValue(true));
         return result;
     } catch (const UniValue& e) {
         UniValue result = UniValue(UniValue::VOBJ);
@@ -1117,7 +1083,8 @@ UniValue importmulti(const JSONRPCRequest& mainRequest)
             "                                                              \"now\" can be specified to bypass scanning, for keys which are known to never have been used, and\n"
             "                                                              0 can be specified to scan the entire blockchain. Blocks up to 2 hours before the earliest key\n"
             "                                                              creation time of all keys being imported by the importmulti call will be scanned.\n"
-            "      \"redeemscript\": \"<script>\"                            , (string, optional) Allowed only if the scriptPubKey is a P2SH address or a P2SH scriptPubKey\n"
+            "      \"redeemscript\": \"<script>\"                            , (string, optional) Allowed only if the scriptPubKey is a P2SH or P2SH-P2WSH address/scriptPubKey\n"
+            "      \"witnessscript\": \"<script>\"                           , (string, optional) Allowed only if the scriptPubKey is a P2SH-P2WSH or P2WSH address/scriptPubKey\n"
             "      \"pubkeys\": [\"<pubKey>\", ... ]                         , (array, optional) Array of strings giving pubkeys that must occur in the output or redeemscript\n"
             "      \"keys\": [\"<key>\", ... ]                               , (array, optional) Array of strings giving private keys whose corresponding public keys must occur in the output or redeemscript\n"
             "      \"internal\": <true>                                    , (boolean, optional, default: false) Stating whether matching outputs should be treated as not incoming payments\n"
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index dc39ba300..2aeb5c298 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -3455,6 +3455,7 @@ UniValue getaddressinfo(const JSONRPCRequest& request)
             "  \"address\" : \"address\",        (string) The bitcoin address validated\n"
             "  \"scriptPubKey\" : \"hex\",       (string) The hex-encoded scriptPubKey generated by the address\n"
             "  \"ismine\" : true|false,        (boolean) If the address is yours or not\n"
+            "  \"solvable\" : true|false,      (boolean) If the address is solvable by the wallet\n"
             "  \"iswatchonly\" : true|false,   (boolean) If the address is watchonly\n"
             "  \"isscript\" : true|false,      (boolean) If the key is a script\n"
             "  \"iswitness\" : true|false,     (boolean) If the address is a witness address\n"
@@ -3509,6 +3510,7 @@ UniValue getaddressinfo(const JSONRPCRequest& request)
     isminetype mine = IsMine(*pwallet, dest);
     ret.pushKV("ismine", bool(mine & ISMINE_SPENDABLE));
     ret.pushKV("iswatchonly", bool(mine & ISMINE_WATCH_ONLY));
+    ret.pushKV("solvable", IsSolvable(*pwallet, scriptPubKey));
     UniValue detail = DescribeWalletAddress(pwallet, dest);
     ret.pushKVs(detail);
     if (pwallet->mapAddressBook.count(dest)) {
diff --git a/test/functional/test_framework/blocktools.py b/test/functional/test_framework/blocktools.py
index 35004fb58..81cce1167 100644
--- a/test/functional/test_framework/blocktools.py
+++ b/test/functional/test_framework/blocktools.py
@@ -169,7 +169,7 @@ def get_legacy_sigopcount_tx(tx, accurate=True):
     return count
 
 def witness_script(use_p2wsh, pubkey):
-    """Create a scriptPubKey for a pay-to-wtiness TxOut.
+    """Create a scriptPubKey for a pay-to-witness TxOut.
 
     This is either a P2WPKH output for the given pubkey, or a P2WSH output of a
     1-of-1 multisig for the given pubkey. Returns the hex encoding of the
diff --git a/test/functional/wallet_importmulti.py b/test/functional/wallet_importmulti.py
index f78ff1979..9ba686030 100755
--- a/test/functional/wallet_importmulti.py
+++ b/test/functional/wallet_importmulti.py
@@ -11,8 +11,14 @@ from test_framework.util import (
     assert_greater_than,
     assert_raises_rpc_error,
     bytes_to_hex_str,
+    hex_str_to_bytes
 )
-
+from test_framework.script import (
+    CScript,
+    OP_0,
+    hash160
+)
+from test_framework.messages import sha256
 
 class ImportMultiTest(BitcoinTestFramework):
     def set_test_params(self):
@@ -90,6 +96,19 @@ class ImportMultiTest(BitcoinTestFramework):
         assert_equal(address_assert['ismine'], False)
         assert_equal(address_assert['timestamp'], timestamp)
 
+        # ScriptPubKey + internal + label
+        self.log.info("Should not allow a label to be specified when internal is true")
+        address = self.nodes[0].getaddressinfo(self.nodes[0].getnewaddress())
+        result = self.nodes[1].importmulti([{
+            "scriptPubKey": address['scriptPubKey'],
+            "timestamp": "now",
+            "internal": True,
+            "label": "Example label"
+        }])
+        assert_equal(result[0]['success'], False)
+        assert_equal(result[0]['error']['code'], -8)
+        assert_equal(result[0]['error']['message'], 'Internal addresses should not have a label')
+
         # Nonstandard scriptPubKey + !internal
         self.log.info("Should not import a nonstandard scriptPubKey without internal flag")
         nonstandardScriptPubKey = address['scriptPubKey'] + bytes_to_hex_str(script.CScript([script.OP_NOP]))
@@ -198,7 +217,7 @@ class ImportMultiTest(BitcoinTestFramework):
         }])
         assert_equal(result[0]['success'], False)
         assert_equal(result[0]['error']['code'], -8)
-        assert_equal(result[0]['error']['message'], 'Incompatibility found between watchonly and keys')
+        assert_equal(result[0]['error']['message'], 'Watch-only addresses should not include private keys')
         address_assert = self.nodes[1].getaddressinfo(address['address'])
         assert_equal(address_assert['iswatchonly'], False)
         assert_equal(address_assert['ismine'], False)
@@ -339,7 +358,7 @@ class ImportMultiTest(BitcoinTestFramework):
         }])
         assert_equal(result[0]['success'], False)
         assert_equal(result[0]['error']['code'], -8)
-        assert_equal(result[0]['error']['message'], 'Incompatibility found between watchonly and keys')
+        assert_equal(result[0]['error']['message'], 'Watch-only addresses should not include private keys')
 
 
         # Address + Public key + !Internal + Wrong pubkey
@@ -355,7 +374,7 @@ class ImportMultiTest(BitcoinTestFramework):
         }])
         assert_equal(result[0]['success'], False)
         assert_equal(result[0]['error']['code'], -5)
-        assert_equal(result[0]['error']['message'], 'Consistency check failed')
+        assert_equal(result[0]['error']['message'], 'Key does not match address destination')
         address_assert = self.nodes[1].getaddressinfo(address['address'])
         assert_equal(address_assert['iswatchonly'], False)
         assert_equal(address_assert['ismine'], False)
@@ -375,7 +394,7 @@ class ImportMultiTest(BitcoinTestFramework):
         result = self.nodes[1].importmulti(request)
         assert_equal(result[0]['success'], False)
         assert_equal(result[0]['error']['code'], -5)
-        assert_equal(result[0]['error']['message'], 'Consistency check failed')
+        assert_equal(result[0]['error']['message'], 'Key does not match address destination')
         address_assert = self.nodes[1].getaddressinfo(address['address'])
         assert_equal(address_assert['iswatchonly'], False)
         assert_equal(address_assert['ismine'], False)
@@ -395,7 +414,7 @@ class ImportMultiTest(BitcoinTestFramework):
         }])
         assert_equal(result[0]['success'], False)
         assert_equal(result[0]['error']['code'], -5)
-        assert_equal(result[0]['error']['message'], 'Consistency check failed')
+        assert_equal(result[0]['error']['message'], 'Key does not match address destination')
         address_assert = self.nodes[1].getaddressinfo(address['address'])
         assert_equal(address_assert['iswatchonly'], False)
         assert_equal(address_assert['ismine'], False)
@@ -414,7 +433,7 @@ class ImportMultiTest(BitcoinTestFramework):
         }])
         assert_equal(result[0]['success'], False)
         assert_equal(result[0]['error']['code'], -5)
-        assert_equal(result[0]['error']['message'], 'Consistency check failed')
+        assert_equal(result[0]['error']['message'], 'Key does not match address destination')
         address_assert = self.nodes[1].getaddressinfo(address['address'])
         assert_equal(address_assert['iswatchonly'], False)
         assert_equal(address_assert['ismine'], False)
@@ -458,6 +477,147 @@ class ImportMultiTest(BitcoinTestFramework):
                 "timestamp": "",
             }])
 
+        # Import P2WPKH address as watch only
+        self.log.info("Should import a P2WPKH address as watch only")
+        address = self.nodes[0].getaddressinfo(self.nodes[0].getnewaddress(address_type="bech32"))
+        result = self.nodes[1].importmulti([{
+            "scriptPubKey": {
+                "address": address['address']
+            },
+            "timestamp": "now",
+        }])
+        assert_equal(result[0]['success'], True)
+        address_assert = self.nodes[1].getaddressinfo(address['address'])
+        assert_equal(address_assert['iswatchonly'], True)
+        assert_equal(address_assert['solvable'], False)
+
+        # Import P2WPKH address with public key but no private key
+        self.log.info("Should import a P2WPKH address and public key as solvable but not spendable")
+        address = self.nodes[0].getaddressinfo(self.nodes[0].getnewaddress(address_type="bech32"))
+        result = self.nodes[1].importmulti([{
+            "scriptPubKey": {
+                "address": address['address']
+            },
+            "timestamp": "now",
+            "pubkeys": [ address['pubkey'] ]
+        }])
+        assert_equal(result[0]['success'], True)
+        address_assert = self.nodes[1].getaddressinfo(address['address'])
+        assert_equal(address_assert['ismine'], False)
+        assert_equal(address_assert['solvable'], True)
+
+        # Import P2WPKH address with key and check it is spendable
+        self.log.info("Should import a P2WPKH address with key")
+        address = self.nodes[0].getaddressinfo(self.nodes[0].getnewaddress(address_type="bech32"))
+        result = self.nodes[1].importmulti([{
+            "scriptPubKey": {
+                "address": address['address']
+            },
+            "timestamp": "now",
+            "keys": [self.nodes[0].dumpprivkey(address['address'])]
+        }])
+        assert_equal(result[0]['success'], True)
+        address_assert = self.nodes[1].getaddressinfo(address['address'])
+        assert_equal(address_assert['iswatchonly'], False)
+        assert_equal(address_assert['ismine'], True)
+
+        # P2WSH multisig address without scripts or keys
+        sig_address_1 = self.nodes[0].getaddressinfo(self.nodes[0].getnewaddress())
+        sig_address_2 = self.nodes[0].getaddressinfo(self.nodes[0].getnewaddress())
+        multi_sig_script = self.nodes[0].addmultisigaddress(2, [sig_address_1['pubkey'], sig_address_2['pubkey']], "", "bech32")
+        self.log.info("Should import a p2wsh multisig as watch only without respective redeem script and private keys")
+        result = self.nodes[1].importmulti([{
+            "scriptPubKey": {
+                "address": multi_sig_script['address']
+            },
+            "timestamp": "now"
+        }])
+        assert_equal(result[0]['success'], True)
+        address_assert = self.nodes[1].getaddressinfo(multi_sig_script['address'])
+        assert_equal(address_assert['solvable'], False)
+
+        # Same P2WSH multisig address as above, but now with witnessscript + private keys
+        self.log.info("Should import a p2wsh with respective redeem script and private keys")
+        result = self.nodes[1].importmulti([{
+            "scriptPubKey": {
+                "address": multi_sig_script['address']
+            },
+            "timestamp": "now",
+            "witnessscript": multi_sig_script['redeemScript'],
+            "keys": [ self.nodes[0].dumpprivkey(sig_address_1['address']), self.nodes[0].dumpprivkey(sig_address_2['address']) ]
+        }])
+        assert_equal(result[0]['success'], True)
+        address_assert = self.nodes[1].getaddressinfo(multi_sig_script['address'])
+        assert_equal(address_assert['solvable'], True)
+        assert_equal(address_assert['ismine'], True)
+        assert_equal(address_assert['sigsrequired'], 2)
+
+        # P2SH-P2WPKH address with no redeemscript or public or private key
+        sig_address_1 = self.nodes[0].getaddressinfo(self.nodes[0].getnewaddress(address_type="p2sh-segwit"))
+        pubkeyhash = hash160(hex_str_to_bytes(sig_address_1['pubkey']))
+        pkscript = CScript([OP_0, pubkeyhash])
+        self.log.info("Should import a p2sh-p2wpkh without redeem script or keys")
+        result = self.nodes[1].importmulti([{
+            "scriptPubKey": {
+                "address": sig_address_1['address']
+            },
+            "timestamp": "now"
+        }])
+        assert_equal(result[0]['success'], True)
+        address_assert = self.nodes[1].getaddressinfo(sig_address_1['address'])
+        assert_equal(address_assert['solvable'], False)
+        assert_equal(address_assert['ismine'], False)
+
+        # P2SH-P2WPKH address + redeemscript + public key with no private key
+        self.log.info("Should import a p2sh-p2wpkh with respective redeem script and pubkey as solvable")
+        result = self.nodes[1].importmulti([{
+            "scriptPubKey": {
+                "address": sig_address_1['address']
+            },
+            "timestamp": "now",
+            "redeemscript": bytes_to_hex_str(pkscript),
+            "pubkeys": [ sig_address_1['pubkey'] ]
+        }])
+        assert_equal(result[0]['success'], True)
+        address_assert = self.nodes[1].getaddressinfo(sig_address_1['address'])
+        assert_equal(address_assert['solvable'], True)
+        assert_equal(address_assert['ismine'], False)
+
+        # P2SH-P2WPKH address + redeemscript + private key
+        sig_address_1 = self.nodes[0].getaddressinfo(self.nodes[0].getnewaddress(address_type="p2sh-segwit"))
+        pubkeyhash = hash160(hex_str_to_bytes(sig_address_1['pubkey']))
+        pkscript = CScript([OP_0, pubkeyhash])
+        self.log.info("Should import a p2sh-p2wpkh with respective redeem script and private keys")
+        result = self.nodes[1].importmulti([{
+            "scriptPubKey": {
+                "address": sig_address_1['address']
+            },
+            "timestamp": "now",
+            "redeemscript": bytes_to_hex_str(pkscript),
+            "keys": [ self.nodes[0].dumpprivkey(sig_address_1['address'])]
+        }])
+        assert_equal(result[0]['success'], True)
+        address_assert = self.nodes[1].getaddressinfo(sig_address_1['address'])
+        assert_equal(address_assert['solvable'], True)
+        assert_equal(address_assert['ismine'], True)
+
+        # P2SH-P2WSH 1-of-1 multisig + redeemscript with no private key
+        sig_address_1 = self.nodes[0].getaddressinfo(self.nodes[0].getnewaddress())
+        multi_sig_script = self.nodes[0].addmultisigaddress(1, [sig_address_1['pubkey']], "", "p2sh-segwit")
+        scripthash = sha256(hex_str_to_bytes(multi_sig_script['redeemScript']))
+        redeem_script = CScript([OP_0, scripthash])
+        self.log.info("Should import a p2sh-p2wsh with respective redeem script but no private key")
+        result = self.nodes[1].importmulti([{
+            "scriptPubKey": {
+                "address": multi_sig_script['address']
+            },
+            "timestamp": "now",
+            "redeemscript": bytes_to_hex_str(redeem_script),
+            "witnessscript": multi_sig_script['redeemScript']
+        }])
+        assert_equal(result[0]['success'], True)
+        address_assert = self.nodes[1].getaddressinfo(multi_sig_script['address'])
+        assert_equal(address_assert['solvable'], True)
 
 if __name__ == '__main__':
     ImportMultiTest ().main ()