Merge branch 'litecoin'

bchain/coins/blockchain.go

@@ -7,6 +7,7 @@ import (
 	"blockbook/bchain/coins/btg"
 	"blockbook/bchain/coins/dash"
 	"blockbook/bchain/coins/eth"
+	"blockbook/bchain/coins/litecoin"
 	"blockbook/bchain/coins/zec"
 	"blockbook/common"
 	"context"
@@ -35,6 +36,8 @@ func init() {
 	blockChainFactories["Bgold"] = btg.NewBGoldRPC
 	blockChainFactories["Dash"] = dash.NewDashRPC
 	blockChainFactories["Dash Testnet"] = dash.NewDashRPC
+	blockChainFactories["Litecoin"] = litecoin.NewLitecoinRPC
+	blockChainFactories["Litecoin Testnet"] = litecoin.NewLitecoinRPC
 }
 
 // GetCoinNameFromConfig gets coin name from config file

bchain/coins/litecoin/litecoinparser.go

@@ -0,0 +1,62 @@
+package litecoin
+
+import (
+	"blockbook/bchain/coins/btc"
+
+	"github.com/btcsuite/btcd/chaincfg"
+	"github.com/btcsuite/btcd/wire"
+)
+
+const (
+	MainnetMagic wire.BitcoinNet = 0xdbb6c0fb
+	TestnetMagic wire.BitcoinNet = 0xf1c8d2fd
+	RegtestMagic wire.BitcoinNet = 0xdab5bffa
+)
+
+var (
+	MainNetParams chaincfg.Params
+	TestNetParams chaincfg.Params
+)
+
+func init() {
+	MainNetParams = chaincfg.MainNetParams
+	MainNetParams.Net = MainnetMagic
+	MainNetParams.PubKeyHashAddrID = 48
+	MainNetParams.ScriptHashAddrID = 50
+	MainNetParams.Bech32HRPSegwit = "ltc"
+
+	TestNetParams = chaincfg.TestNet3Params
+	TestNetParams.Net = TestnetMagic
+	TestNetParams.PubKeyHashAddrID = 111
+	TestNetParams.ScriptHashAddrID = 58
+	TestNetParams.Bech32HRPSegwit = "tltc"
+
+	err := chaincfg.Register(&MainNetParams)
+	if err == nil {
+		err = chaincfg.Register(&TestNetParams)
+	}
+	if err != nil {
+		panic(err)
+	}
+}
+
+// LitecoinParser handle
+type LitecoinParser struct {
+	*btc.BitcoinParser
+}
+
+// NewLitecoinParser returns new LitecoinParser instance
+func NewLitecoinParser(params *chaincfg.Params, c *btc.Configuration) *LitecoinParser {
+	return &LitecoinParser{BitcoinParser: btc.NewBitcoinParser(params, c)}
+}
+
+// GetChainParams contains network parameters for the main Litecoin network,
+// and the test Litecoin network
+func GetChainParams(chain string) *chaincfg.Params {
+	switch chain {
+	case "test":
+		return &TestNetParams
+	default:
+		return &MainNetParams
+	}
+}

bchain/coins/litecoin/litecoinparser_test.go

@@ -0,0 +1,277 @@
+package litecoin
+
+import (
+	"blockbook/bchain"
+	"blockbook/bchain/coins/btc"
+	"encoding/hex"
+	"reflect"
+	"testing"
+)
+
+func TestAddressToOutputScript_Testnet(t *testing.T) {
+	type args struct {
+		address string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    string
+		wantErr bool
+	}{
+		{
+			name:    "P2PKH1",
+			args:    args{address: "mgPdTgEq6YqUJ4yzQgR8jH5TCX5c5yRwCP"},
+			want:    "76a91409957dfdb3eb620a94b99857e13949551584c33688ac",
+			wantErr: false,
+		},
+		{
+			name:    "P2SH1",
+			args:    args{address: "2MvGVySztevmycxrSmMRjJaVj2iJin7qpap"},
+			want:    "a9142126232e3f47ae0f1246ec5f05fc400d83c86a0d87",
+			wantErr: false,
+		},
+		{
+			name:    "P2SH2",
+			args:    args{address: "2N9a2TNzWz1FEKGFxUdMEh62V83URdZ5QAZ"},
+			want:    "a914b31049e7ee51501fe19e3e0cdb803dc84cf99f9e87",
+			wantErr: false,
+		},
+	}
+	parser := NewLitecoinParser(GetChainParams("test"), &btc.Configuration{})
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := parser.AddressToOutputScript(tt.args.address)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("AddressToOutputScript() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			h := hex.EncodeToString(got)
+			if !reflect.DeepEqual(h, tt.want) {
+				t.Errorf("AddressToOutputScript() = %v, want %v", h, tt.want)
+			}
+		})
+	}
+}
+
+func TestAddressToOutputScript_Mainnet(t *testing.T) {
+	type args struct {
+		address string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    string
+		wantErr bool
+	}{
+		{
+			name:    "P2PKH1",
+			args:    args{address: "LgJGe7aKy1wfXESKhiKeRWj6z4KjzCfXNW"},
+			want:    "76a914e72ba56ab6afccac045d696b979e3b5077e88d1988ac",
+			wantErr: false,
+		},
+		{
+			name:    "P2PKH2",
+			args:    args{address: "LiTVReQ6N8rWc2pNg2XMwCWq7A9P15teWg"},
+			want:    "76a914feda50542e61108cf53b93dbffa0959f91ccb32588ac",
+			wantErr: false,
+		},
+		{
+			name:    "P2SH1",
+			args:    args{address: "MLTQ8niHMnpJLNvK72zBeY91hQmUtoo8nX"},
+			want:    "a91489ba6cf45546f91f1bdf553e695d63fc6b8795bd87",
+			wantErr: false,
+		},
+		{
+			name:    "P2SH2",
+			args:    args{address: "MAVWzxXm8KGkZTesqLtqywzrvbs96FEoKy"},
+			want:    "a9141c6fbaf46d64221e80cbae182c33ddf81b9294ac87",
+			wantErr: false,
+		},
+		{
+			name:    "witness_v0_keyhash",
+			args:    args{address: "ltc1q5fgkuac9s2ry56jka5s6zqsyfcugcchrqgz2yl"},
+			want:    "0014a2516e770582864a6a56ed21a102044e388c62e3",
+			wantErr: false,
+		},
+		{
+			name:    "witness_v0_scripthashx",
+			args:    args{address: "ltc1qu9dgdg330r6r84g5mw7wqshg04exv2uttmw2elfwx74h5tgntuzsk3x5nd"},
+			want:    "0020e15a86a23178f433d514dbbce042e87d72662b8b5edcacfd2e37ab7a2d135f05",
+			wantErr: false,
+		},
+	}
+	parser := NewLitecoinParser(GetChainParams("main"), &btc.Configuration{})
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := parser.AddressToOutputScript(tt.args.address)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("AddressToOutputScript() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			h := hex.EncodeToString(got)
+			if !reflect.DeepEqual(h, tt.want) {
+				t.Errorf("AddressToOutputScript() = %v, want %v", h, tt.want)
+			}
+		})
+	}
+}
+
+var (
+	testTx1 bchain.Tx
+
+	testTxPacked1 = "0001e4538ba8d7aa2002000000031e1977dc524bec5929e95d8d0946812944b7b5bda12f5b99fdf557773f2ee65e0100000000ffffffff8a398e44546dce0245452b90130e86832b21fd68f26662bc33aeb7c6c115d23c1900000000ffffffffb807ab93a7fcdff7af6d24581a4a18aa7c1db1ebecba2617a6805b009513940f0c00000000ffffffff020001a04a000000001976a9141ae882e788091732da6910595314447c9e38bd8d88ac27440f00000000001976a9146b474cbf0f6004329b630bdd4798f2c23d1751b688ac00000000"
+)
+
+func init() {
+	var (
+		addr1, addr2 bchain.Address
+		err          error
+	)
+	addr1, err = bchain.NewBaseAddress("LMgENNXzzuPxp7vfMjDrCU44bsmrEMgqvc")
+	if err == nil {
+		addr2, err = bchain.NewBaseAddress("LV1ByjbJNFTHyFQqwqwdJXKJznYDzXzg4B")
+	}
+	if err != nil {
+		panic(err)
+	}
+
+	testTx1 = bchain.Tx{
+		Hex:       "02000000031e1977dc524bec5929e95d8d0946812944b7b5bda12f5b99fdf557773f2ee65e0100000000ffffffff8a398e44546dce0245452b90130e86832b21fd68f26662bc33aeb7c6c115d23c1900000000ffffffffb807ab93a7fcdff7af6d24581a4a18aa7c1db1ebecba2617a6805b009513940f0c00000000ffffffff020001a04a000000001976a9141ae882e788091732da6910595314447c9e38bd8d88ac27440f00000000001976a9146b474cbf0f6004329b630bdd4798f2c23d1751b688ac00000000",
+		Blocktime: 1519053456,
+		Txid:      "1c50c1770374d7de2f81a87463a5225bb620d25fd467536223a5b715a47c9e32",
+		LockTime:  0,
+		Vin: []bchain.Vin{
+			{
+				ScriptSig: bchain.ScriptSig{
+					Hex: "",
+				},
+				Txid:     "5ee62e3f7757f5fd995b2fa1bdb5b744298146098d5de92959ec4b52dc77191e",
+				Vout:     1,
+				Sequence: 4294967295,
+			},
+			{
+				ScriptSig: bchain.ScriptSig{
+					Hex: "",
+				},
+				Txid:     "3cd215c1c6b7ae33bc6266f268fd212b83860e13902b454502ce6d54448e398a",
+				Vout:     25,
+				Sequence: 4294967295,
+			},
+			{
+				ScriptSig: bchain.ScriptSig{
+					Hex: "",
+				},
+				Txid:     "0f941395005b80a61726baecebb11d7caa184a1a58246daff7dffca793ab07b8",
+				Vout:     12,
+				Sequence: 4294967295,
+			},
+		},
+		Vout: []bchain.Vout{
+			{
+				Value: 12.52000000,
+				N:     0,
+				ScriptPubKey: bchain.ScriptPubKey{
+					Hex: "76a9141ae882e788091732da6910595314447c9e38bd8d88ac",
+					Addresses: []string{
+						"LMgENNXzzuPxp7vfMjDrCU44bsmrEMgqvc",
+					},
+				},
+				Address: addr1,
+			},
+			{
+				Value: 0.01000487,
+				N:     1,
+				ScriptPubKey: bchain.ScriptPubKey{
+					Hex: "76a9146b474cbf0f6004329b630bdd4798f2c23d1751b688ac",
+					Addresses: []string{
+						"LV1ByjbJNFTHyFQqwqwdJXKJznYDzXzg4B",
+					},
+				},
+				Address: addr2,
+			},
+		},
+	}
+}
+
+func Test_PackTx(t *testing.T) {
+	type args struct {
+		tx        bchain.Tx
+		height    uint32
+		blockTime int64
+		parser    *LitecoinParser
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    string
+		wantErr bool
+	}{
+		{
+			name: "litecoin-1",
+			args: args{
+				tx:        testTx1,
+				height:    123987,
+				blockTime: 1519053456,
+				parser:    NewLitecoinParser(GetChainParams("main"), &btc.Configuration{}),
+			},
+			want:    testTxPacked1,
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := tt.args.parser.PackTx(&tt.args.tx, tt.args.height, tt.args.blockTime)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("packTx() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			h := hex.EncodeToString(got)
+			if !reflect.DeepEqual(h, tt.want) {
+				t.Errorf("packTx() = %v, want %v", h, tt.want)
+			}
+		})
+	}
+}
+
+func Test_UnpackTx(t *testing.T) {
+	type args struct {
+		packedTx string
+		parser   *LitecoinParser
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    *bchain.Tx
+		want1   uint32
+		wantErr bool
+	}{
+		{
+			name: "litecoin-1",
+			args: args{
+				packedTx: testTxPacked1,
+				parser:   NewLitecoinParser(GetChainParams("main"), &btc.Configuration{}),
+			},
+			want:    &testTx1,
+			want1:   123987,
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			b, _ := hex.DecodeString(tt.args.packedTx)
+			got, got1, err := tt.args.parser.UnpackTx(b)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("unpackTx() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("unpackTx() got = %v, want %v", got, tt.want)
+			}
+			if got1 != tt.want1 {
+				t.Errorf("unpackTx() got1 = %v, want %v", got1, tt.want1)
+			}
+		})
+	}
+}

bchain/coins/litecoin/litecoinrpc.go

@@ -0,0 +1,56 @@
+package litecoin
+
+import (
+	"blockbook/bchain"
+	"blockbook/bchain/coins/btc"
+	"encoding/json"
+
+	"github.com/golang/glog"
+)
+
+// LitecoinRPC is an interface to JSON-RPC bitcoind service.
+type LitecoinRPC struct {
+	*btc.BitcoinRPC
+}
+
+// NewLitecoinRPC returns new LitecoinRPC instance.
+func NewLitecoinRPC(config json.RawMessage, pushHandler func(bchain.NotificationType)) (bchain.BlockChain, error) {
+	b, err := btc.NewBitcoinRPC(config, pushHandler)
+	if err != nil {
+		return nil, err
+	}
+
+	s := &LitecoinRPC{
+		b.(*btc.BitcoinRPC),
+	}
+	s.RPCMarshaler = btc.JSONMarshalerV2{}
+
+	return s, nil
+}
+
+// Initialize initializes LitecoinRPC instance.
+func (b *LitecoinRPC) Initialize() error {
+	chainName, err := b.GetChainInfoAndInitializeMempool(b)
+	if err != nil {
+		return err
+	}
+
+	glog.Info("Chain name ", chainName)
+	params := GetChainParams(chainName)
+
+	// always create parser
+	b.Parser = NewLitecoinParser(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-litecoin-testnet.conffiles

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

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

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

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

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

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

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

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

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

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

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

build/deb/debian/blockbook-litecoin-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-litecoin-testnet.service
+# See "man systemd.service" for details.
+
+[Unit]
+Description=Blockbook daemon (Litecoin testnet)
+After=network.target
+Wants=backend-litecoin-testnet.service
+
+[Service]
+ExecStart=/opt/coins/blockbook/litecoin_testnet/bin/blockbook -blockchaincfg=/opt/coins/blockbook/litecoin_testnet/config/blockchaincfg.json -datadir=/opt/coins/data/litecoin_testnet/blockbook/db -sync -httpserver=:19034 -socketio=:19134 -certfile=/opt/coins/blockbook/litecoin_testnet/cert/blockbook -explorer=https://ltc-explorer.trezor.io/ -log_dir=/opt/coins/blockbook/litecoin_testnet/logs
+User=blockbook-litecoin
+Type=simple
+Restart=on-failure
+WorkingDirectory=/opt/coins/blockbook/litecoin_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-litecoin.conffiles

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

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

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

build/deb/debian/blockbook-litecoin.dirs

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

build/deb/debian/blockbook-litecoin.install

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

build/deb/debian/blockbook-litecoin.links

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

build/deb/debian/blockbook-litecoin.postinst

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

build/deb/debian/blockbook-litecoin.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-litecoin.service
+# See "man systemd.service" for details.
+
+[Unit]
+Description=Blockbook daemon (Litecoin mainnet)
+After=network.target
+Wants=backend-litecoin.service
+
+[Service]
+ExecStart=/opt/coins/blockbook/litecoin/bin/blockbook -blockchaincfg=/opt/coins/blockbook/litecoin/config/blockchaincfg.json -datadir=/opt/coins/data/litecoin/blockbook/db -sync -httpserver=:9034 -socketio=:9134 -certfile=/opt/coins/blockbook/litecoin/cert/blockbook -explorer=https://ltc-explorer.trezor.io/ -log_dir=/opt/coins/blockbook/litecoin/logs
+User=blockbook-litecoin
+Type=simple
+Restart=on-failure
+WorkingDirectory=/opt/coins/blockbook/litecoin
+
+# 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

@@ -54,3 +54,13 @@ Package: blockbook-dash-testnet
 Architecture: amd64
 Depends: ${shlibs:Depends}, ${misc:Depends}, coreutils, passwd, findutils, psmisc, backend-dash-testnet
 Description: Satoshilabs blockbook server (Dash testnet)
+
+Package: blockbook-litecoin
+Architecture: amd64
+Depends: ${shlibs:Depends}, ${misc:Depends}, coreutils, passwd, findutils, psmisc, backend-litecoin
+Description: Satoshilabs blockbook server (Litecoin mainnet)
+
+Package: blockbook-litecoin-testnet
+Architecture: amd64
+Depends: ${shlibs:Depends}, ${misc:Depends}, coreutils, passwd, findutils, psmisc, backend-litecoin-testnet
+Description: Satoshilabs blockbook server (Litecoin testnet)

configs/litecoin.json

@@ -0,0 +1,12 @@
+{
+  "coin_name": "Litecoin",
+  "rpcURL": "http://localhost:8034",
+  "rpcUser": "rpc",
+  "rpcPass": "rpc",
+  "rpcTimeout": 25,
+  "parse": true,
+  "zeroMQBinding": "tcp://localhost:38334",
+  "mempoolWorkers": 8,
+  "mempoolSubWorkers": 2,
+  "blockAddressesToKeep": 300
+}

configs/litecoin_testnet.json

@@ -0,0 +1,12 @@
+{
+  "coin_name": "Litecoin Testnet",
+  "rpcURL": "http://localhost:18034",
+  "rpcUser": "rpc",
+  "rpcPass": "rpc",
+  "rpcTimeout": 25,
+  "parse": true,
+  "zeroMQBinding": "tcp://localhost:48334",
+  "mempoolWorkers": 8,
+  "mempoolSubWorkers": 2,
+  "blockAddressesToKeep": 300
+}

contrib/backends/Makefile

@@ -1,4 +1,4 @@
-TARGETS = bitcoin zcash bcash ethereum bgold dash
+TARGETS = bitcoin zcash bcash ethereum bgold dash litecoin
 IMAGE = blockbook-backend-build-deb
 NO_CACHE = false
 

contrib/backends/litecoin/Makefile

@@ -0,0 +1,13 @@
+LITECOIN_VERSION := 0.16.0
+
+all:
+	wget https://download.litecoin.org/litecoin-${LITECOIN_VERSION}/linux/litecoin-${LITECOIN_VERSION}-x86_64-linux-gnu.tar.gz
+	tar -xf litecoin-${LITECOIN_VERSION}-x86_64-linux-gnu.tar.gz
+	mv litecoin-${LITECOIN_VERSION} litecoin
+	rm litecoin/bin/litecoin-qt
+	rm litecoin/bin/test_litecoin
+
+
+clean:
+	rm -rf litecoin
+	rm -f litecoin-${LITECOIN_VERSION}-x86_64-linux-gnu.tar.gz

contrib/backends/litecoin/debian/backend-litecoin-testnet.conffiles

@@ -0,0 +1 @@
+/opt/coins/nodes/litecoin_testnet/litecoin_testnet.conf

contrib/backends/litecoin/debian/backend-litecoin-testnet.dirs

@@ -0,0 +1 @@
+/opt/coins/data/litecoin_testnet/backend

contrib/backends/litecoin/debian/backend-litecoin-testnet.install

@@ -0,0 +1,2 @@
+litecoin/* /opt/coins/nodes/litecoin_testnet
+litecoin_testnet.conf /opt/coins/nodes/litecoin_testnet

contrib/backends/litecoin/debian/backend-litecoin-testnet.logrotate

@@ -0,0 +1,10 @@
+/opt/coins/data/litecoin_testnet/backend/testnet4/debug.log
+/opt/coins/data/litecoin_testnet/backend/testnet4/db.log
+{
+        rotate 7
+        daily
+        compress
+        missingok
+        notifempty
+        copytruncate
+}

contrib/backends/litecoin/debian/backend-litecoin-testnet.postinst

@@ -0,0 +1,20 @@
+#!/bin/bash
+set -e
+
+case "$1" in
+
+  configure)
+    if ! id -u litecoin &> /dev/null
+    then
+        useradd --system -M -U litecoin -s /bin/false
+    fi
+
+    if [ "$(stat -c '%U' /opt/coins/data/litecoin_testnet/backend)" != "litecoin" ]
+    then
+        chown -R litecoin:litecoin /opt/coins/data/litecoin_testnet/backend
+    fi
+  ;;
+
+esac
+
+#DEBHELPER#

contrib/backends/litecoin/debian/backend-litecoin-testnet.service

@@ -0,0 +1,47 @@
+# 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 litecoin-testnet.service
+# See "man systemd.service" for details.
+
+# Note that almost all daemon options could be specified in
+# /opt/coins/nodes/litecoin_testnet/litecoin_testnet.conf
+
+[Unit]
+Description=litecoin daemon (testnet)
+After=network.target
+
+[Service]
+ExecStart=/opt/coins/nodes/litecoin_testnet/bin/litecoind -datadir=/opt/coins/data/litecoin_testnet/backend -conf=/opt/coins/nodes/litecoin_testnet/litecoin_testnet.conf -pid=/run/litecoind/litecoin_testnet.pid
+# Creates /run/litecoind owned by litecoin
+RuntimeDirectory=litecoind
+User=litecoin
+Type=forking
+PIDFile=/run/litecoind/litecoin_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

contrib/backends/litecoin/debian/backend-litecoin.conffiles

@@ -0,0 +1 @@
+/opt/coins/nodes/litecoin/litecoin.conf

contrib/backends/litecoin/debian/backend-litecoin.dirs

@@ -0,0 +1 @@
+/opt/coins/data/litecoin/backend

contrib/backends/litecoin/debian/backend-litecoin.install

@@ -0,0 +1,2 @@
+litecoin/* /opt/coins/nodes/litecoin
+litecoin.conf /opt/coins/nodes/litecoin

contrib/backends/litecoin/debian/backend-litecoin.logrotate

@@ -0,0 +1,10 @@
+/opt/coins/data/litecoin/backend/debug.log
+/opt/coins/data/litecoin/backend/db.log
+{
+        rotate 7
+        daily
+        compress
+        missingok
+        notifempty
+        copytruncate
+}

contrib/backends/litecoin/debian/backend-litecoin.postinst

@@ -0,0 +1,20 @@
+#!/bin/bash
+set -e
+
+case "$1" in
+
+  configure)
+    if ! id -u litecoin &> /dev/null
+    then
+        useradd --system -M -U litecoin -s /bin/false
+    fi
+
+    if [ "$(stat -c '%U' /opt/coins/data/litecoin/backend)" != "litecoin" ]
+    then
+        chown -R litecoin:litecoin /opt/coins/data/litecoin/backend
+    fi
+  ;;
+
+esac
+
+#DEBHELPER#

contrib/backends/litecoin/debian/backend-litecoin.service

@@ -0,0 +1,47 @@
+# 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 litecoin.service
+# See "man systemd.service" for details.
+
+# Note that almost all daemon options could be specified in
+# /opt/coins/nodes/litecoin/litecoin.conf
+
+[Unit]
+Description=litecoin daemon (mainnet)
+After=network.target
+
+[Service]
+ExecStart=/opt/coins/nodes/litecoin/bin/litecoind -datadir=/opt/coins/data/litecoin/backend -conf=/opt/coins/nodes/litecoin/litecoin.conf -pid=/run/litecoind/litecoin.pid
+# Creates /run/litecoind owned by litecoin
+RuntimeDirectory=litecoind
+User=litecoin
+Type=forking
+PIDFile=/run/litecoind/litecoin.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

contrib/backends/litecoin/debian/changelog

@@ -0,0 +1,5 @@
+litecoin (0.16.0-satoshilabs1) unstable; urgency=medium
+
+  * Initial build
+
+ -- Martin Bohm <martin.bohm@satoshilabs.com>  Mon, 11 Jun 2018 11:12:13 +0200

contrib/backends/litecoin/debian/compat

@@ -0,0 +1 @@
+9

contrib/backends/litecoin/debian/control

@@ -0,0 +1,16 @@
+Source: litecoin
+Section: satoshilabs
+Priority: optional
+Maintainer: martin.bohm@satoshilabs.com
+Build-Depends: debhelper, wget, tar, gzip, make, dh-systemd, dh-exec
+Standards-Version: 3.9.5
+
+Package: backend-litecoin
+Architecture: amd64
+Depends: ${shlibs:Depends}, ${misc:Depends}, logrotate
+Description: Satoshilabs packaged litecoin server
+
+Package: backend-litecoin-testnet
+Architecture: amd64
+Depends: ${shlibs:Depends}, ${misc:Depends}, logrotate
+Description: Satoshilabs packaged litecoin server

contrib/backends/litecoin/debian/rules

@@ -0,0 +1,11 @@
+#!/usr/bin/make -f
+
+DH_VERBOSE = 1
+
+%:
+	dh $@ --with=systemd
+
+override_dh_systemd_start:
+	dh_systemd_start --no-start
+
+override_dh_installinit:

contrib/backends/litecoin/litecoin.conf

@@ -0,0 +1,17 @@
+daemon=1
+server=1
+nolisten=1
+rpcuser=rpc
+rpcpassword=rpc
+rpcport=8034
+txindex=1
+whitelist=127.0.0.1
+
+zmqpubhashtx=tcp://127.0.0.1:38334
+zmqpubhashblock=tcp://127.0.0.1:38334
+
+rpcworkqueue=1100
+maxmempool=2000
+dbcache=1000
+
+

contrib/backends/litecoin/litecoin_testnet.conf

@@ -0,0 +1,15 @@
+daemon=1
+server=1
+testnet=1
+nolisten=1
+rpcuser=rpc
+rpcpassword=rpc
+rpcport=18034
+txindex=1
+
+zmqpubhashtx=tcp://127.0.0.1:48334
+zmqpubhashblock=tcp://127.0.0.1:48334
+
+rpcworkqueue=1100
+maxmempool=2000
+dbcache=1000