diff --git a/.gitignore b/.gitignore
index cd2e98e6b8..6687ed7a96 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,7 @@ project/plugins/project/
 .idea/*
 *.iml
 .bsp
+.vscode
 
 # secp256k1 ignore files
 bench_inv
diff --git a/app/server-routes/src/main/scala/org/bitcoins/server/routes/Server.scala b/app/server-routes/src/main/scala/org/bitcoins/server/routes/Server.scala
index fbb7ad4ee1..99cf101f19 100644
--- a/app/server-routes/src/main/scala/org/bitcoins/server/routes/Server.scala
+++ b/app/server-routes/src/main/scala/org/bitcoins/server/routes/Server.scala
@@ -67,7 +67,7 @@ case class Server(
         pathSingleSlash {
           post {
             entity(as[ServerCommand]) { cmd =>
-              val init = PartialFunction.empty[ServerCommand, StandardRoute]
+              val init = PartialFunction.empty[ServerCommand, Route]
               val handler = handlers.foldLeft(init) { case (accum, curr) =>
                 accum.orElse(curr.handleCommand)
               }
diff --git a/app/server-routes/src/main/scala/org/bitcoins/server/routes/ServerRoute.scala b/app/server-routes/src/main/scala/org/bitcoins/server/routes/ServerRoute.scala
index 2fa1f7b765..3919e6446f 100644
--- a/app/server-routes/src/main/scala/org/bitcoins/server/routes/ServerRoute.scala
+++ b/app/server-routes/src/main/scala/org/bitcoins/server/routes/ServerRoute.scala
@@ -1,7 +1,18 @@
 package org.bitcoins.server.routes
 
-import akka.http.scaladsl.server.StandardRoute
+import akka.http.scaladsl.server.Route
+import akka.http.scaladsl.server.Directives._
+import akka.http.scaladsl.server.Directive1
+import akka.http.scaladsl.server.ValidationRejection
+
+import scala.util.Try
 
 trait ServerRoute {
-  def handleCommand: PartialFunction[ServerCommand, StandardRoute]
+  def handleCommand: PartialFunction[ServerCommand, Route]
+
+  def withValidServerCommand[R](validator: Try[R]): Directive1[R] =
+    validator.fold(
+      e => reject(ValidationRejection("failure", Some(e))),
+      provide
+    )
 }
diff --git a/app/server/src/main/scala/org/bitcoins/server/ChainRoutes.scala b/app/server/src/main/scala/org/bitcoins/server/ChainRoutes.scala
index 2399d5f36d..0ac0bb294a 100644
--- a/app/server/src/main/scala/org/bitcoins/server/ChainRoutes.scala
+++ b/app/server/src/main/scala/org/bitcoins/server/ChainRoutes.scala
@@ -12,14 +12,13 @@ import scodec.bits.ByteVector
 import ujson._
 
 import scala.concurrent.Future
-import scala.util.{Failure, Success}
 
 case class ChainRoutes(chain: ChainApi, network: BitcoinNetwork)(implicit
     system: ActorSystem)
     extends ServerRoute {
   import system.dispatcher
 
-  def handleCommand: PartialFunction[ServerCommand, StandardRoute] = {
+  def handleCommand: PartialFunction[ServerCommand, Route] = {
     case ServerCommand("getblockcount", _) =>
       complete {
         chain.getBlockCount().map { count =>
@@ -46,10 +45,8 @@ case class ChainRoutes(chain: ChainApi, network: BitcoinNetwork)(implicit
       }
 
     case ServerCommand("getblockheader", arr) =>
-      GetBlockHeader.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(GetBlockHeader(hash)) =>
+      withValidServerCommand(GetBlockHeader.fromJsArr(arr)) {
+        case GetBlockHeader(hash) =>
           complete {
             chain.getHeader(hash).flatMap {
               case None => Future.successful(Server.httpSuccess(ujson.Null))
diff --git a/app/server/src/main/scala/org/bitcoins/server/CoreRoutes.scala b/app/server/src/main/scala/org/bitcoins/server/CoreRoutes.scala
index 0d3e4d4229..6d53faaeef 100644
--- a/app/server/src/main/scala/org/bitcoins/server/CoreRoutes.scala
+++ b/app/server/src/main/scala/org/bitcoins/server/CoreRoutes.scala
@@ -17,7 +17,6 @@ import org.bitcoins.server.routes.{Server, ServerCommand, ServerRoute}
 import ujson._
 
 import scala.collection.mutable
-import scala.util.{Failure, Success}
 
 case class CoreRoutes(core: CoreApi)(implicit
     system: ActorSystem,
@@ -25,72 +24,60 @@ case class CoreRoutes(core: CoreApi)(implicit
     extends ServerRoute {
   import system.dispatcher
 
-  def handleCommand: PartialFunction[ServerCommand, StandardRoute] = {
+  def handleCommand: PartialFunction[ServerCommand, Route] = {
     case ServerCommand("finalizepsbt", arr) =>
-      FinalizePSBT.fromJsArr(arr) match {
-        case Success(FinalizePSBT(psbt)) =>
+      withValidServerCommand(FinalizePSBT.fromJsArr(arr)) {
+        case FinalizePSBT(psbt) =>
           complete {
             core
               .finalizePSBT(psbt)
               .map(finalized => Server.httpSuccess(finalized.base64))
           }
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
       }
 
     case ServerCommand("extractfrompsbt", arr) =>
-      ExtractFromPSBT.fromJsArr(arr) match {
-        case Success(ExtractFromPSBT(psbt)) =>
+      withValidServerCommand(ExtractFromPSBT.fromJsArr(arr)) {
+        case ExtractFromPSBT(psbt) =>
           complete {
             core
               .extractFromPSBT(psbt)
               .map(tx => Server.httpSuccess(tx.hex))
           }
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
       }
 
     case ServerCommand("converttopsbt", arr) =>
-      ConvertToPSBT.fromJsArr(arr) match {
-        case Success(ConvertToPSBT(tx)) =>
+      withValidServerCommand(ConvertToPSBT.fromJsArr(arr)) {
+        case ConvertToPSBT(tx) =>
           complete {
             core
               .convertToPSBT(tx)
               .map(psbt => Server.httpSuccess(psbt.base64))
           }
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
       }
 
     case ServerCommand("combinepsbts", arr) =>
-      CombinePSBTs.fromJsArr(arr) match {
-        case Success(CombinePSBTs(psbts)) =>
+      withValidServerCommand(CombinePSBTs.fromJsArr(arr)) {
+        case CombinePSBTs(psbts) =>
           complete {
             core
               .combinePSBTs(psbts)
               .map(psbt => Server.httpSuccess(psbt.base64))
           }
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
       }
 
     case ServerCommand("joinpsbts", arr) =>
-      JoinPSBTs.fromJsArr(arr) match {
-        case Success(JoinPSBTs(psbts)) =>
+      withValidServerCommand(JoinPSBTs.fromJsArr(arr)) {
+        case JoinPSBTs(psbts) =>
           complete {
             core
               .joinPSBTs(psbts)
               .map(psbt => Server.httpSuccess(psbt.base64))
           }
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
       }
 
     case ServerCommand("decoderawtransaction", arr) =>
-      DecodeRawTransaction.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(DecodeRawTransaction(tx)) =>
+      withValidServerCommand(DecodeRawTransaction.fromJsArr(arr)) {
+        case DecodeRawTransaction(tx) =>
           complete {
             val decoded = SerializedTransaction.decodeRawTransaction(tx)
             val uJson = ujson.read(decoded.toJson.toString())
@@ -99,10 +86,8 @@ case class CoreRoutes(core: CoreApi)(implicit
       }
 
     case ServerCommand("decodepsbt", arr) =>
-      DecodePSBT.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(DecodePSBT(psbt)) =>
+      withValidServerCommand(DecodePSBT.fromJsArr(arr)) {
+        case DecodePSBT(psbt) =>
           complete {
             val decoded = SerializedPSBT.decodePSBT(psbt)
             val uJson = ujson.read(decoded.toJson.toString())
@@ -111,10 +96,8 @@ case class CoreRoutes(core: CoreApi)(implicit
       }
 
     case ServerCommand("analyzepsbt", arr) =>
-      AnalyzePSBT.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(AnalyzePSBT(psbt)) =>
+      withValidServerCommand(AnalyzePSBT.fromJsArr(arr)) {
+        case AnalyzePSBT(psbt) =>
           complete {
             val inputs = psbt.inputMaps.zipWithIndex.map {
               case (inputMap, index) =>
@@ -168,10 +151,8 @@ case class CoreRoutes(core: CoreApi)(implicit
       }
 
     case ServerCommand("createmultisig", arr) =>
-      CreateMultisig.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(CreateMultisig(requiredKeys, keys, addressType)) =>
+      withValidServerCommand(CreateMultisig.fromJsArr(arr)) {
+        case CreateMultisig(requiredKeys, keys, addressType) =>
           complete {
             val sorted = keys.sortBy(_.hex)
             val spk = MultiSignatureScriptPubKey(requiredKeys, sorted)
diff --git a/app/server/src/main/scala/org/bitcoins/server/NodeRoutes.scala b/app/server/src/main/scala/org/bitcoins/server/NodeRoutes.scala
index ddb224228e..67fe178b31 100644
--- a/app/server/src/main/scala/org/bitcoins/server/NodeRoutes.scala
+++ b/app/server/src/main/scala/org/bitcoins/server/NodeRoutes.scala
@@ -10,13 +10,12 @@ import org.bitcoins.rpc.client.common.BitcoindRpcClient
 import org.bitcoins.server.routes.{Server, ServerCommand, ServerRoute}
 
 import scala.concurrent.duration.DurationInt
-import scala.util.{Failure, Success}
 
 case class NodeRoutes(nodeApi: NodeApi)(implicit system: ActorSystem)
     extends ServerRoute {
   import system.dispatcher
 
-  def handleCommand: PartialFunction[ServerCommand, StandardRoute] = {
+  def handleCommand: PartialFunction[ServerCommand, Route] = {
     case ServerCommand("getpeers", _) =>
       complete {
         Server.httpSuccess("TODO implement getpeers")
@@ -45,10 +44,8 @@ case class NodeRoutes(nodeApi: NodeApi)(implicit system: ActorSystem)
       }
 
     case ServerCommand("sendrawtransaction", arr) =>
-      SendRawTransaction.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(SendRawTransaction(tx)) =>
+      withValidServerCommand(SendRawTransaction.fromJsArr(arr)) {
+        case SendRawTransaction(tx) =>
           complete {
             nodeApi.broadcastTransaction(tx).map { _ =>
               Server.httpSuccess(tx.txIdBE)
diff --git a/app/server/src/main/scala/org/bitcoins/server/WalletRoutes.scala b/app/server/src/main/scala/org/bitcoins/server/WalletRoutes.scala
index 6f437791fb..dc21de17a6 100644
--- a/app/server/src/main/scala/org/bitcoins/server/WalletRoutes.scala
+++ b/app/server/src/main/scala/org/bitcoins/server/WalletRoutes.scala
@@ -18,7 +18,6 @@ import ujson._
 
 import java.time.Instant
 import scala.concurrent.Future
-import scala.util.{Failure, Success}
 
 case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
     system: ActorSystem,
@@ -45,7 +44,7 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
     }
   }
 
-  def handleCommand: PartialFunction[ServerCommand, StandardRoute] = {
+  def handleCommand: PartialFunction[ServerCommand, Route] = {
 
     case ServerCommand("isempty", _) =>
       complete {
@@ -62,64 +61,47 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("getbalance", arr) =>
-      GetBalance.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(GetBalance(isSats)) =>
+      withValidServerCommand(GetBalance.fromJsArr(arr)) {
+        case GetBalance(isSats) =>
           complete {
             wallet.getBalance().map { balance =>
               Server.httpSuccess(
-                if (isSats) {
-                  balance.satoshis.toString
-                } else {
-                  Bitcoins(balance.satoshis).toString
-                }
+                if (isSats) balance.satoshis.toString
+                else Bitcoins(balance.satoshis).toString
               )
             }
           }
       }
 
     case ServerCommand("getconfirmedbalance", arr) =>
-      GetBalance.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(GetBalance(isSats)) =>
+      withValidServerCommand(GetBalance.fromJsArr(arr)) {
+        case GetBalance(isSats) =>
           complete {
             wallet.getConfirmedBalance().map { balance =>
               Server.httpSuccess(
-                if (isSats) {
-                  balance.satoshis.toString
-                } else {
-                  Bitcoins(balance.satoshis).toString
-                }
+                if (isSats) balance.satoshis.toString
+                else Bitcoins(balance.satoshis).toString
               )
             }
           }
       }
 
     case ServerCommand("getunconfirmedbalance", arr) =>
-      GetBalance.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(GetBalance(isSats)) =>
+      withValidServerCommand(GetBalance.fromJsArr(arr)) {
+        case GetBalance(isSats) =>
           complete {
             wallet.getUnconfirmedBalance().map { balance =>
               Server.httpSuccess(
-                if (isSats) {
-                  balance.satoshis.toString
-                } else {
-                  Bitcoins(balance.satoshis).toString
-                }
+                if (isSats) balance.satoshis.toString
+                else Bitcoins(balance.satoshis).toString
               )
             }
           }
       }
 
     case ServerCommand("getnewaddress", arr) =>
-      GetNewAddress.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(GetNewAddress(labelOpt)) =>
+      withValidServerCommand(GetNewAddress.fromJsArr(arr)) {
+        case GetNewAddress(labelOpt) =>
           complete {
             val labelVec = Vector(labelOpt).flatten
             wallet.getNewAddress(labelVec).map { address =>
@@ -129,10 +111,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("gettransaction", arr) =>
-      GetTransaction.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(GetTransaction(txId)) =>
+      withValidServerCommand(GetTransaction.fromJsArr(arr)) {
+        case GetTransaction(txId) =>
           complete {
             wallet.findTransaction(txId).map {
               case None =>
@@ -144,10 +124,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("lockunspent", arr) =>
-      LockUnspent.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(LockUnspent(unlock, outputParams)) =>
+      withValidServerCommand(LockUnspent.fromJsArr(arr)) {
+        case LockUnspent(unlock, outputParams) =>
           complete {
             val func: Vector[SpendingInfoDb] => Future[Vector[SpendingInfoDb]] =
               utxos => {
@@ -173,10 +151,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("labeladdress", arr) =>
-      LabelAddress.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(LabelAddress(address, label)) =>
+      withValidServerCommand(LabelAddress.fromJsArr(arr)) {
+        case LabelAddress(address, label) =>
           complete {
             wallet.tagAddress(address, label).map { tagDb =>
               Server.httpSuccess(
@@ -186,10 +162,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("getaddresstags", arr) =>
-      GetAddressTags.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(GetAddressTags(address)) =>
+      withValidServerCommand(GetAddressTags.fromJsArr(arr)) {
+        case GetAddressTags(address) =>
           complete {
             wallet.getAddressTags(address).map { tagDbs =>
               val retStr = tagDbs.map(_.tagName.name)
@@ -199,10 +173,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("getaddresslabels", arr) =>
-      GetAddressLabels.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(GetAddressLabels(address)) =>
+      withValidServerCommand(GetAddressLabels.fromJsArr(arr)) {
+        case GetAddressLabels(address) =>
           complete {
             wallet.getAddressTags(address, AddressLabelTagType).map { tagDbs =>
               val retStr = tagDbs.map(_.tagName.name)
@@ -212,10 +184,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("dropaddresslabels", arr) =>
-      DropAddressLabels.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(DropAddressLabels(address)) =>
+      withValidServerCommand(DropAddressLabels.fromJsArr(arr)) {
+        case DropAddressLabels(address) =>
           complete {
             wallet.dropAddressTagType(address, AddressLabelTagType).map {
               numDropped =>
@@ -231,15 +201,11 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("sendtoaddress", arr) =>
-      // TODO create custom directive for this?
-      SendToAddress.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(
-              SendToAddress(address,
-                            bitcoins,
-                            satoshisPerVirtualByteOpt,
-                            noBroadcast)) =>
+      withValidServerCommand(SendToAddress.fromJsArr(arr)) {
+        case SendToAddress(address,
+                           bitcoins,
+                           satoshisPerVirtualByteOpt,
+                           noBroadcast) =>
           complete {
             for {
               tx <- wallet.sendToAddress(address,
@@ -253,14 +219,11 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("sendfromoutpoints", arr) =>
-      SendFromOutpoints.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(
-              SendFromOutpoints(outPoints,
-                                address,
-                                bitcoins,
-                                satoshisPerVirtualByteOpt)) =>
+      withValidServerCommand(SendFromOutpoints.fromJsArr(arr)) {
+        case SendFromOutpoints(outPoints,
+                               address,
+                               bitcoins,
+                               satoshisPerVirtualByteOpt) =>
           complete {
             for {
               tx <- wallet.sendFromOutPoints(outPoints,
@@ -273,14 +236,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("sendwithalgo", arr) =>
-      SendWithAlgo.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(
-              SendWithAlgo(address,
-                           bitcoins,
-                           satoshisPerVirtualByteOpt,
-                           algo)) =>
+      withValidServerCommand(SendWithAlgo.fromJsArr(arr)) {
+        case SendWithAlgo(address, bitcoins, satoshisPerVirtualByteOpt, algo) =>
           complete {
             for {
               tx <- wallet.sendWithAlgo(address,
@@ -293,25 +250,17 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("signpsbt", arr) =>
-      SignPSBT.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(SignPSBT(psbt)) =>
-          complete {
-            wallet.signPSBT(psbt).map { signed =>
-              Server.httpSuccess(signed.base64)
-            }
+      withValidServerCommand(SignPSBT.fromJsArr(arr)) { case SignPSBT(psbt) =>
+        complete {
+          wallet.signPSBT(psbt).map { signed =>
+            Server.httpSuccess(signed.base64)
           }
+        }
       }
 
     case ServerCommand("opreturncommit", arr) =>
-      OpReturnCommit.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(
-              OpReturnCommit(message,
-                             hashMessage,
-                             satoshisPerVirtualByteOpt)) =>
+      withValidServerCommand(OpReturnCommit.fromJsArr(arr)) {
+        case OpReturnCommit(message, hashMessage, satoshisPerVirtualByteOpt) =>
           complete {
             for {
               tx <- wallet.makeOpReturnCommitment(message,
@@ -325,10 +274,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("bumpfeerbf", arr) =>
-      BumpFee.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(BumpFee(txId, feeRate)) =>
+      withValidServerCommand(BumpFee.fromJsArr(arr)) {
+        case BumpFee(txId, feeRate) =>
           complete {
             for {
               tx <- wallet.bumpFeeRBF(txId, feeRate)
@@ -338,10 +285,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("bumpfeecpfp", arr) =>
-      BumpFee.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(BumpFee(txId, feeRate)) =>
+      withValidServerCommand(BumpFee.fromJsArr(arr)) {
+        case BumpFee(txId, feeRate) =>
           complete {
             for {
               tx <- wallet.bumpFeeCPFP(txId, feeRate)
@@ -351,15 +296,12 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("rescan", arr) =>
-      Rescan.fromJsArr(arr) match {
-        case Failure(exception) =>
-          reject(ValidationRejection("failure", Some(exception)))
-        case Success(
-              Rescan(batchSize,
-                     startBlock,
-                     endBlock,
-                     force,
-                     ignoreCreationTime)) =>
+      withValidServerCommand(Rescan.fromJsArr(arr)) {
+        case Rescan(batchSize,
+                    startBlock,
+                    endBlock,
+                    force,
+                    ignoreCreationTime) =>
           complete {
             val res = for {
               empty <- wallet.isEmpty()
@@ -448,10 +390,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("getaddressinfo", arr) =>
-      GetAddressInfo.fromJsArr(arr) match {
-        case Failure(err) =>
-          reject(ValidationRejection("failure", Some(err)))
-        case Success(GetAddressInfo(address)) =>
+      withValidServerCommand(GetAddressInfo.fromJsArr(arr)) {
+        case GetAddressInfo(address) =>
           complete {
             wallet.getAddressInfo(address).map {
               case Some(addressInfo) =>
@@ -478,10 +418,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("keymanagerpassphrasechange", arr) =>
-      KeyManagerPassphraseChange.fromJsArr(arr) match {
-        case Failure(err) =>
-          reject(ValidationRejection("failure", Some(err)))
-        case Success(KeyManagerPassphraseChange(oldPassword, newPassword)) =>
+      withValidServerCommand(KeyManagerPassphraseChange.fromJsArr(arr)) {
+        case KeyManagerPassphraseChange(oldPassword, newPassword) =>
           complete {
             val path = walletConf.seedPath
             WalletStorage.changeAesPassword(path,
@@ -493,10 +431,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("keymanagerpassphraseset", arr) =>
-      KeyManagerPassphraseSet.fromJsArr(arr) match {
-        case Failure(err) =>
-          reject(ValidationRejection("failure", Some(err)))
-        case Success(KeyManagerPassphraseSet(password)) =>
+      withValidServerCommand(KeyManagerPassphraseSet.fromJsArr(arr)) {
+        case KeyManagerPassphraseSet(password) =>
           complete {
             val path = walletConf.seedPath
             WalletStorage.changeAesPassword(path, None, Some(password))
@@ -506,10 +442,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("importseed", arr) =>
-      ImportSeed.fromJsArr(arr) match {
-        case Failure(err) =>
-          reject(ValidationRejection("failure", Some(err)))
-        case Success(ImportSeed(walletName, mnemonic, passwordOpt)) =>
+      withValidServerCommand(ImportSeed.fromJsArr(arr)) {
+        case ImportSeed(walletName, mnemonic, passwordOpt) =>
           complete {
             val seedPath = kmConf.seedFolder.resolve(
               s"$walletName-${WalletStorage.ENCRYPTED_SEED_FILE_NAME}")
@@ -530,10 +464,8 @@ case class WalletRoutes(wallet: AnyHDWalletApi)(implicit
       }
 
     case ServerCommand("importxprv", arr) =>
-      ImportXprv.fromJsArr(arr) match {
-        case Failure(err) =>
-          reject(ValidationRejection("failure", Some(err)))
-        case Success(ImportXprv(walletName, xprv, passwordOpt)) =>
+      withValidServerCommand(ImportXprv.fromJsArr(arr)) {
+        case ImportXprv(walletName, xprv, passwordOpt) =>
           complete {
             val seedPath = kmConf.seedFolder.resolve(
               s"$walletName-${WalletStorage.ENCRYPTED_SEED_FILE_NAME}")