From 6c6f929743f39658dd3760056967f37c1bd96a9f Mon Sep 17 00:00:00 2001
From: Jakub Matys <jakub.matys@satoshilabs.com>
Date: Tue, 22 May 2018 12:29:16 +0200
Subject: [PATCH 1/5] Fixed import of blocks with invalid transactions (genesis
 block)

---
 bchain/coins/zec/zcashrpc.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/bchain/coins/zec/zcashrpc.go b/bchain/coins/zec/zcashrpc.go
index 31d943f5..a5575a70 100644
--- a/bchain/coins/zec/zcashrpc.go
+++ b/bchain/coins/zec/zcashrpc.go
@@ -105,8 +105,8 @@ func (z *ZCashRPC) GetBlock(hash string, height uint32) (*bchain.Block, error) {
 		return nil, errors.Annotatef(res.Error, "hash %v", hash)
 	}
 
-	txs := make([]bchain.Tx, len(res.Result.Txids))
-	for i, txid := range res.Result.Txids {
+	txs := make([]bchain.Tx, 0, len(res.Result.Txids))
+	for _, txid := range res.Result.Txids {
 		tx, err := z.GetTransaction(txid)
 		if err != nil {
 			if isInvalidTx(err) {
@@ -115,7 +115,7 @@ func (z *ZCashRPC) GetBlock(hash string, height uint32) (*bchain.Block, error) {
 			}
 			return nil, err
 		}
-		txs[i] = *tx
+		txs = append(txs, *tx)
 	}
 	block := &bchain.Block{
 		BlockHeader: res.Result.BlockHeader,

From 58876150c3497a40e40cbff398a5b9b90f4be986 Mon Sep 17 00:00:00 2001
From: Jakub Matys <jakub.matys@satoshilabs.com>
Date: Tue, 22 May 2018 12:30:09 +0200
Subject: [PATCH 2/5] Removed unused code

---
 bchain/coins/bch/bcashrpc.go   | 41 ----------------------------------
 bchain/coins/btc/bitcoinrpc.go | 36 -----------------------------
 2 files changed, 77 deletions(-)

diff --git a/bchain/coins/bch/bcashrpc.go b/bchain/coins/bch/bcashrpc.go
index 8ccbe993..3bfb70c6 100644
--- a/bchain/coins/bch/bcashrpc.go
+++ b/bchain/coins/bch/bcashrpc.go
@@ -103,11 +103,6 @@ func (b *BCashRPC) GetBlock(hash string, height uint32) (*bchain.Block, error) {
 			return nil, err
 		}
 	}
-	// XXX
-	// // optimization
-	// if height > 0 {
-	// 	return b.getBlockWithoutHeader(hash, height)
-	// }
 	header, err := b.GetBlockHeader(hash)
 	if err != nil {
 		return nil, err
@@ -146,42 +141,6 @@ func (b *BCashRPC) GetBlockRaw(hash string) ([]byte, error) {
 	return hex.DecodeString(res.Result)
 }
 
-// GetBlockList returns block with given hash by downloading block
-// transactions one by one.
-func (b *BCashRPC) GetBlockList(hash string) (*bchain.Block, error) {
-	glog.V(1).Info("rpc: getblock (verbose=1) ", hash)
-
-	res := resGetBlockThin{}
-	req := cmdGetBlock{Method: "getblock"}
-	req.Params.BlockHash = hash
-	req.Params.Verbose = true
-	err := b.Call(&req, &res)
-
-	if err != nil {
-		return nil, errors.Annotatef(err, "hash %v", hash)
-	}
-	if res.Error != nil {
-		if isErrBlockNotFound(res.Error) {
-			return nil, bchain.ErrBlockNotFound
-		}
-		return nil, errors.Annotatef(res.Error, "hash %v", hash)
-	}
-
-	txs := make([]bchain.Tx, len(res.Result.Txids))
-	for i, txid := range res.Result.Txids {
-		tx, err := b.GetTransaction(txid)
-		if err != nil {
-			return nil, err
-		}
-		txs[i] = *tx
-	}
-	block := &bchain.Block{
-		BlockHeader: res.Result.BlockHeader,
-		Txs:         txs,
-	}
-	return block, nil
-}
-
 // GetBlockFull returns block with given hash.
 func (b *BCashRPC) GetBlockFull(hash string) (*bchain.Block, error) {
 	return nil, errors.New("Not implemented")
diff --git a/bchain/coins/btc/bitcoinrpc.go b/bchain/coins/btc/bitcoinrpc.go
index 75617c95..d7c9b756 100644
--- a/bchain/coins/btc/bitcoinrpc.go
+++ b/bchain/coins/btc/bitcoinrpc.go
@@ -492,42 +492,6 @@ func (b *BitcoinRPC) GetBlockRaw(hash string) ([]byte, error) {
 	return hex.DecodeString(res.Result)
 }
 
-// GetBlockList returns block with given hash by downloading block
-// transactions one by one.
-func (b *BitcoinRPC) GetBlockList(hash string) (*bchain.Block, error) {
-	glog.V(1).Info("rpc: getblock (verbosity=1) ", hash)
-
-	res := resGetBlockThin{}
-	req := cmdGetBlock{Method: "getblock"}
-	req.Params.BlockHash = hash
-	req.Params.Verbosity = 1
-	err := b.Call(&req, &res)
-
-	if err != nil {
-		return nil, errors.Annotatef(err, "hash %v", hash)
-	}
-	if res.Error != nil {
-		if isErrBlockNotFound(res.Error) {
-			return nil, bchain.ErrBlockNotFound
-		}
-		return nil, errors.Annotatef(res.Error, "hash %v", hash)
-	}
-
-	txs := make([]bchain.Tx, len(res.Result.Txids))
-	for i, txid := range res.Result.Txids {
-		tx, err := b.GetTransaction(txid)
-		if err != nil {
-			return nil, err
-		}
-		txs[i] = *tx
-	}
-	block := &bchain.Block{
-		BlockHeader: res.Result.BlockHeader,
-		Txs:         txs,
-	}
-	return block, nil
-}
-
 // GetBlockFull returns block with given hash.
 func (b *BitcoinRPC) GetBlockFull(hash string) (*bchain.Block, error) {
 	glog.V(1).Info("rpc: getblock (verbosity=2) ", hash)

From 110bd6f6a6ee923c7946b94c6d0ba7bdfd28c6a1 Mon Sep 17 00:00:00 2001
From: Jakub Matys <jakub.matys@satoshilabs.com>
Date: Tue, 22 May 2018 12:33:38 +0200
Subject: [PATCH 3/5] Added testnet for ZCash

---
 bchain/coins/blockchain.go                    |  1 +
 bchain/coins/zec/zcashparser.go               | 29 +++++++++++
 bchain/coins/zec/zcashrpc.go                  | 20 +++++---
 .../debian/blockbook-zec-testnet.conffiles    |  1 +
 .../debian/blockbook-zec-testnet.cron.daily   |  2 +
 build/deb/debian/blockbook-zec-testnet.dirs   |  2 +
 .../deb/debian/blockbook-zec-testnet.install  |  6 +++
 build/deb/debian/blockbook-zec-testnet.links  |  2 +
 .../deb/debian/blockbook-zec-testnet.postinst | 23 +++++++++
 .../deb/debian/blockbook-zec-testnet.service  | 43 +++++++++++++++++
 build/deb/debian/control                      |  5 ++
 configs/zec-testnet.json                      |  8 ++++
 contrib/backends/zcash/debian/control         |  5 ++
 .../zcash/debian/zcash-testnet.conffiles      |  1 +
 .../backends/zcash/debian/zcash-testnet.dirs  |  1 +
 .../zcash/debian/zcash-testnet.install        |  2 +
 .../zcash/debian/zcash-testnet.logrotate      | 10 ++++
 .../zcash/debian/zcash-testnet.postinst       | 22 +++++++++
 .../zcash/debian/zcash-testnet.service        | 48 +++++++++++++++++++
 contrib/backends/zcash/zec-testnet.conf       | 13 +++++
 20 files changed, 238 insertions(+), 6 deletions(-)
 create mode 100644 build/deb/debian/blockbook-zec-testnet.conffiles
 create mode 100644 build/deb/debian/blockbook-zec-testnet.cron.daily
 create mode 100644 build/deb/debian/blockbook-zec-testnet.dirs
 create mode 100755 build/deb/debian/blockbook-zec-testnet.install
 create mode 100644 build/deb/debian/blockbook-zec-testnet.links
 create mode 100644 build/deb/debian/blockbook-zec-testnet.postinst
 create mode 100644 build/deb/debian/blockbook-zec-testnet.service
 create mode 100644 configs/zec-testnet.json
 create mode 100644 contrib/backends/zcash/debian/zcash-testnet.conffiles
 create mode 100644 contrib/backends/zcash/debian/zcash-testnet.dirs
 create mode 100644 contrib/backends/zcash/debian/zcash-testnet.install
 create mode 100644 contrib/backends/zcash/debian/zcash-testnet.logrotate
 create mode 100644 contrib/backends/zcash/debian/zcash-testnet.postinst
 create mode 100644 contrib/backends/zcash/debian/zcash-testnet.service
 create mode 100644 contrib/backends/zcash/zec-testnet.conf

diff --git a/bchain/coins/blockchain.go b/bchain/coins/blockchain.go
index 59ff2777..5d3e1e90 100644
--- a/bchain/coins/blockchain.go
+++ b/bchain/coins/blockchain.go
@@ -24,6 +24,7 @@ func init() {
 	blockChainFactories["btc"] = btc.NewBitcoinRPC
 	blockChainFactories["btc-testnet"] = btc.NewBitcoinRPC
 	blockChainFactories["zec"] = zec.NewZCashRPC
+	blockChainFactories["zec-testnet"] = zec.NewZCashRPC
 	blockChainFactories["eth"] = eth.NewEthereumRPC
 	blockChainFactories["eth-testnet"] = eth.NewEthereumRPC
 	blockChainFactories["bch"] = bch.NewBCashRPC
diff --git a/bchain/coins/zec/zcashparser.go b/bchain/coins/zec/zcashparser.go
index 039542ad..39f26e12 100644
--- a/bchain/coins/zec/zcashparser.go
+++ b/bchain/coins/zec/zcashparser.go
@@ -2,6 +2,15 @@ package zec
 
 import (
 	"blockbook/bchain"
+
+	"github.com/btcsuite/btcd/chaincfg"
+	"github.com/btcsuite/btcd/wire"
+)
+
+const (
+	MainnetMagic wire.BitcoinNet = 0x6427e924
+	TestnetMagic wire.BitcoinNet = 0xbff91afa
+	RegtestMagic wire.BitcoinNet = 0x5f3fe8aa
 )
 
 // ZCashParser handle
@@ -14,6 +23,26 @@ func NewZCashParser() *ZCashParser {
 	return &ZCashParser{&bchain.BaseParser{AddressFactory: bchain.NewBaseAddress}}
 }
 
+// GetChainParams contains network parameters for the main ZCash network,
+// the regression test ZCash network, the test ZCash network and
+// the simulation test ZCash network, in this order
+func GetChainParams(chain string) *chaincfg.Params {
+	var params *chaincfg.Params
+	switch chain {
+	case "test":
+		params = &chaincfg.TestNet3Params
+		params.Net = TestnetMagic
+	case "regtest":
+		params = &chaincfg.RegressionNetParams
+		params.Net = RegtestMagic
+	default:
+		params = &chaincfg.MainNetParams
+		params.Net = MainnetMagic
+	}
+
+	return params
+}
+
 // GetAddrIDFromVout returns internal address representation of given transaction output
 func (p *ZCashParser) GetAddrIDFromVout(output *bchain.Vout) ([]byte, error) {
 	if len(output.ScriptPubKey.Addresses) != 1 {
diff --git a/bchain/coins/zec/zcashrpc.go b/bchain/coins/zec/zcashrpc.go
index a5575a70..f347ef69 100644
--- a/bchain/coins/zec/zcashrpc.go
+++ b/bchain/coins/zec/zcashrpc.go
@@ -26,16 +26,25 @@ func NewZCashRPC(config json.RawMessage, pushHandler func(bchain.NotificationTyp
 
 // Initialize initializes ZCashRPC instance.
 func (z *ZCashRPC) Initialize() error {
-	_, err := z.GetChainInfoAndInitializeMempool(z)
+	chainName, err := z.GetChainInfoAndInitializeMempool(z)
 	if err != nil {
 		return err
 	}
 
-	z.Parser = NewZCashParser()
-	z.Testnet = false
-	z.Network = "livenet"
+	params := GetChainParams(chainName)
 
-	glog.Info("rpc: block chain mainnet")
+	z.Parser = NewZCashParser()
+
+	// parameters for getInfo request
+	if params.Net == MainnetMagic {
+		z.Testnet = false
+		z.Network = "livenet"
+	} else {
+		z.Testnet = true
+		z.Network = "testnet"
+	}
+
+	glog.Info("rpc: block chain ", params.Name)
 
 	return nil
 }
@@ -89,7 +98,6 @@ func (z *ZCashRPC) GetBlock(hash string, height uint32) (*bchain.Block, error) {
 			return nil, err
 		}
 	}
-
 	glog.V(1).Info("rpc: getblock (verbosity=1) ", hash)
 
 	res := resGetBlockThin{}
diff --git a/build/deb/debian/blockbook-zec-testnet.conffiles b/build/deb/debian/blockbook-zec-testnet.conffiles
new file mode 100644
index 00000000..e5212acb
--- /dev/null
+++ b/build/deb/debian/blockbook-zec-testnet.conffiles
@@ -0,0 +1 @@
+/opt/coins/blockbook/zec-testnet/config/blockchaincfg.json
diff --git a/build/deb/debian/blockbook-zec-testnet.cron.daily b/build/deb/debian/blockbook-zec-testnet.cron.daily
new file mode 100644
index 00000000..4302f1a1
--- /dev/null
+++ b/build/deb/debian/blockbook-zec-testnet.cron.daily
@@ -0,0 +1,2 @@
+#!/bin/sh
+/opt/coins/blockbook/zec-testnet/bin/logrotate.sh
diff --git a/build/deb/debian/blockbook-zec-testnet.dirs b/build/deb/debian/blockbook-zec-testnet.dirs
new file mode 100644
index 00000000..ae909942
--- /dev/null
+++ b/build/deb/debian/blockbook-zec-testnet.dirs
@@ -0,0 +1,2 @@
+/opt/coins/data/zec-testnet/blockbook
+/opt/coins/blockbook/zec-testnet/logs
diff --git a/build/deb/debian/blockbook-zec-testnet.install b/build/deb/debian/blockbook-zec-testnet.install
new file mode 100755
index 00000000..f8640fdc
--- /dev/null
+++ b/build/deb/debian/blockbook-zec-testnet.install
@@ -0,0 +1,6 @@
+#!/usr/bin/dh-exec --with=install
+blockbook /opt/coins/blockbook/zec-testnet/bin
+cert /opt/coins/blockbook/zec-testnet
+static /opt/coins/blockbook/zec-testnet
+configs/zec-testnet.json => /opt/coins/blockbook/zec-testnet/config/blockchaincfg.json
+logrotate.sh /opt/coins/blockbook/zec-testnet/bin
diff --git a/build/deb/debian/blockbook-zec-testnet.links b/build/deb/debian/blockbook-zec-testnet.links
new file mode 100644
index 00000000..40a764a9
--- /dev/null
+++ b/build/deb/debian/blockbook-zec-testnet.links
@@ -0,0 +1,2 @@
+/opt/coins/blockbook/zec-testnet/cert/testcert.crt /opt/coins/blockbook/zec-testnet/cert/blockbook.crt
+/opt/coins/blockbook/zec-testnet/cert/testcert.key /opt/coins/blockbook/zec-testnet/cert/blockbook.key
diff --git a/build/deb/debian/blockbook-zec-testnet.postinst b/build/deb/debian/blockbook-zec-testnet.postinst
new file mode 100644
index 00000000..fcbc854c
--- /dev/null
+++ b/build/deb/debian/blockbook-zec-testnet.postinst
@@ -0,0 +1,23 @@
+#!/bin/bash
+set -e
+
+case "$1" in
+
+  configure)
+    if ! id -u blockbook-zec &> /dev/null
+    then
+        useradd --system -M -U blockbook-zec -s /bin/false
+    fi
+
+    for dir in /opt/coins/data/zec-testnet/blockbook /opt/coins/blockbook/zec-testnet/logs
+    do
+        if [ "$(stat -c '%U' $dir)" != "blockbook-zec" ]
+        then
+            chown -R blockbook-zec:blockbook-zec $dir
+        fi
+    done
+  ;;
+
+esac
+
+#DEBHELPER#
diff --git a/build/deb/debian/blockbook-zec-testnet.service b/build/deb/debian/blockbook-zec-testnet.service
new file mode 100644
index 00000000..1521b6dd
--- /dev/null
+++ b/build/deb/debian/blockbook-zec-testnet.service
@@ -0,0 +1,43 @@
+# It is not recommended to modify this file in-place, because it will
+# be overwritten during package upgrades. If you want to add further
+# options or overwrite existing ones then use
+# $ systemctl edit blockbook-zec-testnet.service
+# See "man systemd.service" for details.
+
+[Unit]
+Description=Blockbook daemon (ZEC testnet)
+After=network.target
+Wants=zcash-zec-testnet.service
+
+[Service]
+ExecStart=/opt/coins/blockbook/zec-testnet/bin/blockbook -coin=zec-testnet -blockchaincfg=/opt/coins/blockbook/zec-testnet/config/blockchaincfg.json -datadir=/opt/coins/data/zec-testnet/blockbook/db -sync -httpserver=:18235 -socketio=:18236 -certfile=/opt/coins/blockbook/zec-testnet/cert/blockbook -explorer=https://zec-testnet-bitcore1.trezor.io/ -log_dir=/opt/coins/blockbook/zec-testnet/logs
+User=blockbook-zec
+Type=simple
+Restart=on-failure
+WorkingDirectory=/opt/coins/blockbook/zec-testnet
+
+# Resource limits
+LimitNOFILE=500000
+
+# Hardening measures
+####################
+
+# Provide a private /tmp and /var/tmp.
+PrivateTmp=true
+
+# Mount /usr, /boot/ and /etc read-only for the process.
+ProtectSystem=full
+
+# Disallow the process and all of its children to gain
+# new privileges through execve().
+NoNewPrivileges=true
+
+# Use a new /dev namespace only populated with API pseudo devices
+# such as /dev/null, /dev/zero and /dev/random.
+PrivateDevices=true
+
+# Deny the creation of writable and executable memory mappings.
+MemoryDenyWriteExecute=true
+
+[Install]
+WantedBy=multi-user.target
diff --git a/build/deb/debian/control b/build/deb/debian/control
index 424137cf..d2dc922e 100644
--- a/build/deb/debian/control
+++ b/build/deb/debian/control
@@ -20,6 +20,11 @@ Architecture: amd64
 Depends: ${shlibs:Depends}, ${misc:Depends}, coreutils, passwd, findutils, psmisc, zcash-zec
 Description: Satoshilabs blockbook server (ZCash mainnet)
 
+Package: blockbook-zec-testnet
+Architecture: amd64
+Depends: ${shlibs:Depends}, ${misc:Depends}, coreutils, passwd, findutils, psmisc, zcash-testnet
+Description: Satoshilabs blockbook server (ZCash testnet)
+
 Package: blockbook-bch
 Architecture: amd64
 Depends: ${shlibs:Depends}, ${misc:Depends}, coreutils, passwd, findutils, psmisc, bcash-bch
diff --git a/configs/zec-testnet.json b/configs/zec-testnet.json
new file mode 100644
index 00000000..747de52b
--- /dev/null
+++ b/configs/zec-testnet.json
@@ -0,0 +1,8 @@
+{
+  "rpcURL": "http://127.0.0.1:18232",
+  "rpcUser": "rpc",
+  "rpcPass": "rpc",
+  "rpcTimeout": 25,
+  "parse": true,
+  "zeroMQBinding": "tcp://127.0.0.1:18234"
+}
diff --git a/contrib/backends/zcash/debian/control b/contrib/backends/zcash/debian/control
index 1f6e861c..aa94da62 100644
--- a/contrib/backends/zcash/debian/control
+++ b/contrib/backends/zcash/debian/control
@@ -9,3 +9,8 @@ Package: zcash-zec
 Architecture: amd64
 Depends: ${shlibs:Depends}, ${misc:Depends}, logrotate
 Description: Satoshilabs packaged zcash server
+
+Package: zcash-testnet
+Architecture: amd64
+Depends: ${shlibs:Depends}, ${misc:Depends}, logrotate
+Description: Satoshilabs packaged zcash server
diff --git a/contrib/backends/zcash/debian/zcash-testnet.conffiles b/contrib/backends/zcash/debian/zcash-testnet.conffiles
new file mode 100644
index 00000000..0b9e398d
--- /dev/null
+++ b/contrib/backends/zcash/debian/zcash-testnet.conffiles
@@ -0,0 +1 @@
+/opt/coins/nodes/zcash/zec-testnet/zec-testnet.conf
diff --git a/contrib/backends/zcash/debian/zcash-testnet.dirs b/contrib/backends/zcash/debian/zcash-testnet.dirs
new file mode 100644
index 00000000..513c4b77
--- /dev/null
+++ b/contrib/backends/zcash/debian/zcash-testnet.dirs
@@ -0,0 +1 @@
+/opt/coins/data/zec-testnet/zcash
diff --git a/contrib/backends/zcash/debian/zcash-testnet.install b/contrib/backends/zcash/debian/zcash-testnet.install
new file mode 100644
index 00000000..5f846680
--- /dev/null
+++ b/contrib/backends/zcash/debian/zcash-testnet.install
@@ -0,0 +1,2 @@
+zcash/* /opt/coins/nodes/zcash/zec-testnet
+zec-testnet.conf /opt/coins/nodes/zcash/zec-testnet
diff --git a/contrib/backends/zcash/debian/zcash-testnet.logrotate b/contrib/backends/zcash/debian/zcash-testnet.logrotate
new file mode 100644
index 00000000..8b075f62
--- /dev/null
+++ b/contrib/backends/zcash/debian/zcash-testnet.logrotate
@@ -0,0 +1,10 @@
+/opt/coins/data/zec-testnet/zcash/testnet3/debug.log
+/opt/coins/data/zec-testnet/zcash/testnet3/db.log
+{
+        rotate 7
+        daily
+        compress
+        missingok
+        notifempty
+        copytruncate
+}
diff --git a/contrib/backends/zcash/debian/zcash-testnet.postinst b/contrib/backends/zcash/debian/zcash-testnet.postinst
new file mode 100644
index 00000000..a5d155aa
--- /dev/null
+++ b/contrib/backends/zcash/debian/zcash-testnet.postinst
@@ -0,0 +1,22 @@
+#!/bin/bash
+set -e
+
+case "$1" in
+
+  configure)
+    if ! id -u zcash &> /dev/null
+    then
+        useradd --system -M -U zcash -s /bin/false
+    fi
+
+    if [ "$(stat -c '%U' /opt/coins/data/zec-testnet/zcash)" != "zcash" ]
+    then
+        chown -R zcash:zcash /opt/coins/data/zec-testnet/zcash
+    fi
+
+    HOME=/opt/coins/data/zec-testnet/zcash /opt/coins/nodes/zcash/zec-testnet/bin/zcash-fetch-params
+  ;;
+
+esac
+
+#DEBHELPER#
diff --git a/contrib/backends/zcash/debian/zcash-testnet.service b/contrib/backends/zcash/debian/zcash-testnet.service
new file mode 100644
index 00000000..39b9fc31
--- /dev/null
+++ b/contrib/backends/zcash/debian/zcash-testnet.service
@@ -0,0 +1,48 @@
+# It is not recommended to modify this file in-place, because it will
+# be overwritten during package upgrades. If you want to add further
+# options or overwrite existing ones then use
+# $ systemctl edit zcash-testnet.service
+# See "man systemd.service" for details.
+
+# Note that almost all daemon options could be specified in
+# /opt/coins/nodes/zcash/zec-testnet/zec-testnet.conf
+
+[Unit]
+Description=ZCash daemon (testnet)
+After=network.target
+
+[Service]
+Environment="HOME=/opt/coins/data/zec-testnet/zcash"
+ExecStart=/opt/coins/nodes/zcash/zec-testnet/bin/zcashd -datadir=/opt/coins/data/zec-testnet/zcash -conf=/opt/coins/nodes/zcash/zec-testnet/zec-testnet.conf -pid=/run/zcashd/zec-testnet.pid
+# Creates /run/zcashd owned by zcash
+RuntimeDirectory=zcashd
+User=zcash
+Type=forking
+PIDFile=/run/zcashd/zec-testnet.pid
+Restart=on-failure
+
+# Resource limits
+LimitNOFILE=500000
+
+# Hardening measures
+####################
+
+# Provide a private /tmp and /var/tmp.
+PrivateTmp=true
+
+# Mount /usr, /boot/ and /etc read-only for the process.
+ProtectSystem=full
+
+# Disallow the process and all of its children to gain
+# new privileges through execve().
+NoNewPrivileges=true
+
+# Use a new /dev namespace only populated with API pseudo devices
+# such as /dev/null, /dev/zero and /dev/random.
+PrivateDevices=true
+
+# Deny the creation of writable and executable memory mappings.
+# MemoryDenyWriteExecute=true
+
+[Install]
+WantedBy=multi-user.target
diff --git a/contrib/backends/zcash/zec-testnet.conf b/contrib/backends/zcash/zec-testnet.conf
new file mode 100644
index 00000000..114a3dc4
--- /dev/null
+++ b/contrib/backends/zcash/zec-testnet.conf
@@ -0,0 +1,13 @@
+daemon=1
+server=1
+rpcuser=rpc
+rpcpassword=rpc
+rpcport=18232
+txindex=1
+testnet=1
+addnode=testnet.z.cash
+rpcworkqueue=32
+zmqpubhashtx=tcp://127.0.0.1:18234
+zmqpubhashblock=tcp://127.0.0.1:18234
+zmqpubrawblock=tcp://127.0.0.1:18234
+zmqpubrawtx=tcp://127.0.0.1:18234

From 129160c48ad499d738d399a2c77891ff6992a324 Mon Sep 17 00:00:00 2001
From: Jakub Matys <jakub.matys@satoshilabs.com>
Date: Wed, 23 May 2018 13:01:21 +0200
Subject: [PATCH 4/5] Changed ports and added nolisten=1 option

---
 build/deb/debian/blockbook-zec-testnet.service |  2 +-
 configs/zec-testnet.json                       |  4 ++--
 contrib/backends/zcash/zec-testnet.conf        | 11 ++++++-----
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/build/deb/debian/blockbook-zec-testnet.service b/build/deb/debian/blockbook-zec-testnet.service
index 1521b6dd..ec7449fa 100644
--- a/build/deb/debian/blockbook-zec-testnet.service
+++ b/build/deb/debian/blockbook-zec-testnet.service
@@ -10,7 +10,7 @@ After=network.target
 Wants=zcash-zec-testnet.service
 
 [Service]
-ExecStart=/opt/coins/blockbook/zec-testnet/bin/blockbook -coin=zec-testnet -blockchaincfg=/opt/coins/blockbook/zec-testnet/config/blockchaincfg.json -datadir=/opt/coins/data/zec-testnet/blockbook/db -sync -httpserver=:18235 -socketio=:18236 -certfile=/opt/coins/blockbook/zec-testnet/cert/blockbook -explorer=https://zec-testnet-bitcore1.trezor.io/ -log_dir=/opt/coins/blockbook/zec-testnet/logs
+ExecStart=/opt/coins/blockbook/zec-testnet/bin/blockbook -coin=zec-testnet -blockchaincfg=/opt/coins/blockbook/zec-testnet/config/blockchaincfg.json -datadir=/opt/coins/data/zec-testnet/blockbook/db -sync -httpserver=:19032 -socketio=:19132 -certfile=/opt/coins/blockbook/zec-testnet/cert/blockbook -explorer=https://zec-testnet-bitcore1.trezor.io/ -log_dir=/opt/coins/blockbook/zec-testnet/logs
 User=blockbook-zec
 Type=simple
 Restart=on-failure
diff --git a/configs/zec-testnet.json b/configs/zec-testnet.json
index 747de52b..663b08c5 100644
--- a/configs/zec-testnet.json
+++ b/configs/zec-testnet.json
@@ -1,8 +1,8 @@
 {
-  "rpcURL": "http://127.0.0.1:18232",
+  "rpcURL": "http://127.0.0.1:18032",
   "rpcUser": "rpc",
   "rpcPass": "rpc",
   "rpcTimeout": 25,
   "parse": true,
-  "zeroMQBinding": "tcp://127.0.0.1:18234"
+  "zeroMQBinding": "tcp://127.0.0.1:48332"
 }
diff --git a/contrib/backends/zcash/zec-testnet.conf b/contrib/backends/zcash/zec-testnet.conf
index 114a3dc4..100bd5b1 100644
--- a/contrib/backends/zcash/zec-testnet.conf
+++ b/contrib/backends/zcash/zec-testnet.conf
@@ -1,13 +1,14 @@
 daemon=1
 server=1
+nolisten=1
 rpcuser=rpc
 rpcpassword=rpc
-rpcport=18232
+rpcport=18032
 txindex=1
 testnet=1
 addnode=testnet.z.cash
 rpcworkqueue=32
-zmqpubhashtx=tcp://127.0.0.1:18234
-zmqpubhashblock=tcp://127.0.0.1:18234
-zmqpubrawblock=tcp://127.0.0.1:18234
-zmqpubrawtx=tcp://127.0.0.1:18234
+zmqpubhashtx=tcp://127.0.0.1:48332
+zmqpubhashblock=tcp://127.0.0.1:48332
+zmqpubrawblock=tcp://127.0.0.1:48332
+zmqpubrawtx=tcp://127.0.0.1:48332

From 9f3b1510b03d434ce036bf40d33305c0617f9cd8 Mon Sep 17 00:00:00 2001
From: Jakub Matys <jakub.matys@satoshilabs.com>
Date: Wed, 23 May 2018 16:13:06 +0200
Subject: [PATCH 5/5] Fixed empty Address field when transaction was unpacked
 from JSON

---
 bchain/coins/zec/zcashrpc.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/bchain/coins/zec/zcashrpc.go b/bchain/coins/zec/zcashrpc.go
index f347ef69..8eb271c5 100644
--- a/bchain/coins/zec/zcashrpc.go
+++ b/bchain/coins/zec/zcashrpc.go
@@ -72,7 +72,7 @@ type resGetBlockThin struct {
 
 type resGetRawTransaction struct {
 	Error  *bchain.RPCError `json:"error"`
-	Result bchain.Tx        `json:"result"`
+	Result json.RawMessage  `json:"result"`
 }
 
 // getblockheader
@@ -168,7 +168,11 @@ func (z *ZCashRPC) GetTransaction(txid string) (*bchain.Tx, error) {
 	if res.Error != nil {
 		return nil, errors.Annotatef(res.Error, "txid %v", txid)
 	}
-	return &res.Result, nil
+	tx, err := z.Parser.ParseTxFromJson(res.Result)
+	if err != nil {
+		return nil, errors.Annotatef(err, "txid %v", txid)
+	}
+	return tx, nil
 }
 
 // GetBlockHash returns hash of block in best-block-chain at given height.