Added support for DASH

bchain/coins/blockchain.go

@@ -5,6 +5,7 @@ import (
 	"blockbook/bchain/coins/bch"
 	"blockbook/bchain/coins/btc"
 	"blockbook/bchain/coins/btg"
+	"blockbook/bchain/coins/dash"
 	"blockbook/bchain/coins/eth"
 	"blockbook/bchain/coins/zec"
 	"blockbook/common"
@@ -32,6 +33,8 @@ func init() {
 	blockChainFactories["Bcash"] = bch.NewBCashRPC
 	blockChainFactories["Bcash Testnet"] = bch.NewBCashRPC
 	blockChainFactories["Bgold"] = btg.NewBGoldRPC
+	blockChainFactories["Dash"] = dash.NewDashRPC
+	blockChainFactories["Dash Testnet"] = dash.NewDashRPC
 }
 
 // GetCoinNameFromConfig gets coin name from config file

bchain/coins/dash/dashparser.go

@@ -0,0 +1,78 @@
+package dash
+
+import (
+	"blockbook/bchain/coins/btc"
+
+	"github.com/btcsuite/btcd/chaincfg"
+	"github.com/btcsuite/btcd/wire"
+)
+
+const (
+	MainnetMagic wire.BitcoinNet = 0xbd6b0cbf
+	TestnetMagic wire.BitcoinNet = 0xffcae2ce
+	RegtestMagic wire.BitcoinNet = 0xdcb7c1fc
+)
+
+var (
+	MainNetParams chaincfg.Params
+	TestNetParams chaincfg.Params
+	RegtestParams chaincfg.Params
+)
+
+func init() {
+	MainNetParams = chaincfg.MainNetParams
+	MainNetParams.Net = MainnetMagic
+
+	// Address encoding magics
+	MainNetParams.PubKeyHashAddrID = 76 // base58 prefix: X
+	MainNetParams.ScriptHashAddrID = 16 // base58 prefix: 7
+
+	TestNetParams = chaincfg.TestNet3Params
+	TestNetParams.Net = TestnetMagic
+
+	// Address encoding magics
+	TestNetParams.PubKeyHashAddrID = 140 // base58 prefix: y
+	TestNetParams.ScriptHashAddrID = 19  // base58 prefix: 8 or 9
+
+	RegtestParams = chaincfg.RegressionNetParams
+	RegtestParams.Net = RegtestMagic
+
+	// Address encoding magics
+	RegtestParams.PubKeyHashAddrID = 140 // base58 prefix: y
+	RegtestParams.ScriptHashAddrID = 19  // base58 prefix: 8 or 9
+
+	err := chaincfg.Register(&MainNetParams)
+	if err == nil {
+		err = chaincfg.Register(&TestNetParams)
+	}
+	if err == nil {
+		err = chaincfg.Register(&RegtestParams)
+	}
+	if err != nil {
+		panic(err)
+	}
+}
+
+// DashParser handle
+type DashParser struct {
+	*btc.BitcoinParser
+}
+
+// NewDashParser returns new DashParser instance
+func NewDashParser(params *chaincfg.Params, c *btc.Configuration) *DashParser {
+	return &DashParser{BitcoinParser: btc.NewBitcoinParser(params, c)}
+}
+
+// GetChainParams contains network parameters for the main Dash network,
+// the regression test Dash network, the test Dash network and
+// the simulation test Dash network, in this order
+func GetChainParams(chain string) *chaincfg.Params {
+	switch chain {
+	case "test":
+		return &TestNetParams
+	case "regtest":
+		return &RegtestParams
+	default:
+		return &MainNetParams
+	}
+}

bchain/coins/dash/dashrpc.go

@@ -0,0 +1,54 @@
+package dash
+
+import (
+	"blockbook/bchain"
+	"blockbook/bchain/coins/btc"
+	"encoding/json"
+
+	"github.com/golang/glog"
+)
+
+// DashRPC is an interface to JSON-RPC bitcoind service.
+type DashRPC struct {
+	*btc.BitcoinRPC
+}
+
+// NewDashRPC returns new DashRPC instance.
+func NewDashRPC(config json.RawMessage, pushHandler func(bchain.NotificationType)) (bchain.BlockChain, error) {
+	b, err := btc.NewBitcoinRPC(config, pushHandler)
+	if err != nil {
+		return nil, err
+	}
+
+	s := &DashRPC{
+		b.(*btc.BitcoinRPC),
+	}
+
+	return s, nil
+}
+
+// Initialize initializes DashRPC instance.
+func (b *DashRPC) Initialize() error {
+	chainName, err := b.GetChainInfoAndInitializeMempool(b)
+	if err != nil {
+		return err
+	}
+
+	params := GetChainParams(chainName)
+
+	// always create parser
+	b.Parser = NewDashParser(params, b.ChainConfig)
+
+	// parameters for getInfo request
+	if params.Net == MainnetMagic {
+		b.Testnet = false
+		b.Network = "livenet"
+	} else {
+		b.Testnet = true
+		b.Network = "testnet"
+	}
+
+	glog.Info("rpc: block chain ", params.Name)
+
+	return nil
+}

build/deb/debian/blockbook-dash-testnet.conffiles

@@ -0,0 +1 @@
+/opt/coins/blockbook/dash_testnet/config/blockchaincfg.json

build/deb/debian/blockbook-dash-testnet.cron.daily

@@ -0,0 +1,2 @@
+#!/bin/sh
+/opt/coins/blockbook/dash_testnet/bin/logrotate.sh

build/deb/debian/blockbook-dash-testnet.dirs

@@ -0,0 +1,2 @@
+/opt/coins/data/dash_testnet/blockbook
+/opt/coins/blockbook/dash_testnet/logs

build/deb/debian/blockbook-dash-testnet.install

@@ -0,0 +1,6 @@
+#!/usr/bin/dh-exec
+blockbook /opt/coins/blockbook/dash_testnet/bin
+cert /opt/coins/blockbook/dash_testnet
+static /opt/coins/blockbook/dash_testnet
+configs/dash_testnet.json => /opt/coins/blockbook/dash_testnet/config/blockchaincfg.json
+logrotate.sh /opt/coins/blockbook/dash_testnet/bin

build/deb/debian/blockbook-dash-testnet.links

@@ -0,0 +1,2 @@
+/opt/coins/blockbook/dash_testnet/cert/testcert.crt /opt/coins/blockbook/dash_testnet/cert/blockbook.crt
+/opt/coins/blockbook/dash_testnet/cert/testcert.key /opt/coins/blockbook/dash_testnet/cert/blockbook.key

build/deb/debian/blockbook-dash-testnet.postinst

@@ -0,0 +1,23 @@
+#!/bin/bash
+set -e
+
+case "$1" in
+
+  configure)
+    if ! id -u blockbook-dash &> /dev/null
+    then
+        useradd --system -M -U blockbook-dash -s /bin/false
+    fi
+
+    for dir in /opt/coins/data/dash_testnet/blockbook /opt/coins/blockbook/dash_testnet/logs
+    do
+        if [ "$(stat -c '%U' $dir)" != "blockbook-dash" ]
+        then
+            chown -R blockbook-dash:blockbook-dash $dir
+        fi
+    done
+  ;;
+
+esac
+
+#DEBHELPER#

build/deb/debian/blockbook-dash-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-dash-testnet.service
+# See "man systemd.service" for details.
+
+[Unit]
+Description=Blockbook daemon (Dash testnet)
+After=network.target
+Wants=dash-testnet.service
+
+[Service]
+ExecStart=/opt/coins/blockbook/dash_testnet/bin/blockbook -blockchaincfg=/opt/coins/blockbook/dash_testnet/config/blockchaincfg.json -datadir=/opt/coins/data/dash_testnet/blockbook/db -sync -httpserver=:19033 -socketio=:19133 -certfile=/opt/coins/blockbook/dash_testnet/cert/blockbook -explorer=https://dash-explorer.trezor.io/ -log_dir=/opt/coins/blockbook/dash_testnet/logs
+User=blockbook-dash
+Type=simple
+Restart=on-failure
+WorkingDirectory=/opt/coins/blockbook/dash_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

build/deb/debian/blockbook-dash.conffiles

@@ -0,0 +1 @@
+/opt/coins/blockbook/dash/config/blockchaincfg.json

build/deb/debian/blockbook-dash.cron.daily

@@ -0,0 +1,2 @@
+#!/bin/sh
+/opt/coins/blockbook/dash/bin/logrotate.sh

build/deb/debian/blockbook-dash.dirs

@@ -0,0 +1,2 @@
+/opt/coins/data/dash/blockbook
+/opt/coins/blockbook/dash/logs

build/deb/debian/blockbook-dash.install

@@ -0,0 +1,6 @@
+#!/usr/bin/dh-exec
+blockbook /opt/coins/blockbook/dash/bin
+cert /opt/coins/blockbook/dash
+static /opt/coins/blockbook/dash
+configs/dash.json => /opt/coins/blockbook/dash/config/blockchaincfg.json
+logrotate.sh /opt/coins/blockbook/dash/bin

build/deb/debian/blockbook-dash.links

@@ -0,0 +1,2 @@
+/opt/coins/blockbook/dash/cert/testcert.crt /opt/coins/blockbook/dash/cert/blockbook.crt
+/opt/coins/blockbook/dash/cert/testcert.key /opt/coins/blockbook/dash/cert/blockbook.key

build/deb/debian/blockbook-dash.postinst

@@ -0,0 +1,23 @@
+#!/bin/bash
+set -e
+
+case "$1" in
+
+  configure)
+    if ! id -u blockbook-dash &> /dev/null
+    then
+        useradd --system -M -U blockbook-dash -s /bin/false
+    fi
+
+    for dir in /opt/coins/data/dash/blockbook /opt/coins/blockbook/dash/logs
+    do
+        if [ "$(stat -c '%U' $dir)" != "blockbook-dash" ]
+        then
+            chown -R blockbook-dash:blockbook-dash $dir
+        fi
+    done
+  ;;
+
+esac
+
+#DEBHELPER#

build/deb/debian/blockbook-dash.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-dash.service
+# See "man systemd.service" for details.
+
+[Unit]
+Description=Blockbook daemon (Dash mainnet)
+After=network.target
+Wants=dash.service
+
+[Service]
+ExecStart=/opt/coins/blockbook/dash/bin/blockbook -blockchaincfg=/opt/coins/blockbook/dash/config/blockchaincfg.json -datadir=/opt/coins/data/dash/blockbook/db -sync -httpserver=:9033 -socketio=:9133 -certfile=/opt/coins/blockbook/dash/cert/blockbook -explorer=https://dash-explorer.trezor.io/ -log_dir=/opt/coins/blockbook/dash/logs
+User=blockbook-dash
+Type=simple
+Restart=on-failure
+WorkingDirectory=/opt/coins/blockbook/dash
+
+# 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

build/deb/debian/control

@@ -44,3 +44,13 @@ Package: blockbook-bgold
 Architecture: amd64
 Depends: ${shlibs:Depends}, ${misc:Depends}, coreutils, passwd, findutils, psmisc, bgold
 Description: Satoshilabs blockbook server (Bitcoin Gold mainnet)
+
+Package: blockbook-dash
+Architecture: amd64
+Depends: ${shlibs:Depends}, ${misc:Depends}, coreutils, passwd, findutils, psmisc, dash
+Description: Satoshilabs blockbook server (Dash mainnet)
+
+Package: blockbook-dash-testnet
+Architecture: amd64
+Depends: ${shlibs:Depends}, ${misc:Depends}, coreutils, passwd, findutils, psmisc, dash-testnet
+Description: Satoshilabs blockbook server (Dash testnet)

configs/dash.json

@@ -0,0 +1,13 @@
+{
+  "coin_name": "Dash",
+  "rpcURL": "http://127.0.0.1:8033",
+  "rpcUser": "rpc",
+  "rpcPass": "rpc",
+  "rpcTimeout": 25,
+  "parse": true,
+  "zeroMQBinding": "tcp://127.0.0.1:38333",
+  "subversion": "/Dash Core:0.12.2/",
+  "mempoolWorkers": 8,
+  "mempoolSubWorkers": 2,
+  "blockAddressesToKeep": 300
+}

configs/dash_testnet.json

@@ -0,0 +1,13 @@
+{
+  "coin_name": "Dash Testnet",
+  "rpcURL": "http://localhost:18033",
+  "rpcUser": "rpc",
+  "rpcPass": "rpc",
+  "rpcTimeout": 25,
+  "parse": true,
+  "zeroMQBinding": "tcp://127.0.0.1:48333",
+  "subversion": "/Dash Core:0.12.2/",
+  "mempoolWorkers": 8,
+  "mempoolSubWorkers": 2,
+  "blockAddressesToKeep": 300
+}