iri AUR

iri.install

post_install() {
    chown iri.iri var/lib/iri/db
    chown iri.iri var/lib/iri/ixi
}

iri.service

[Unit]
Description=IOTA Reference Implementation
After=network.target

[Service]
Type=simple
PIDFile=/run/nginx.pid
PrivateDevices=yes
SyslogLevel=err

ExecStart=/usr/bin/java -jar /usr/lib/iri/iri.jar -c /etc/iri.ini
KillSignal=SIGTERM
KillMode=mixed

[Install]
WantedBy=multi-user.target

iri.sysusers

# Iri user and group
u iri - "IOTA IRI user"
g iri - "IOTA IRI group"
m iri iri

PKGBUILD

pkgname=iri
pkgver=1.3.1
pkgrel=1
pkgdesc="IOTA Reference Implementation"
url="https://www.iotatoken.com/"
arch=('any')
license=('GPL')
depends=("java-runtime")
makedepends=("java-environment" "maven")
source=("v${pkgver}.tar.gz::https://github.com/iotaledger/iri/archive/v${pkgver}.tar.gz"
        iri.sysusers
	iri.service)
md5sums=('104f4067d638946576df80168271653f'
         '5d084e0c2e3ebfe8d92b278169eb6925'
	 '278341275ee68400b066ea5d64f42966')
install=iri.install

build(){
    cd "iri-${pkgver}"
    mvn clean compile
    mvn package
}

package() {
    cd "iri-${pkgver}"
    install -Dm644 "$srcdir/iri.sysusers" "$pkgdir/usr/lib/sysusers.d/iri.conf"
    install -Dm644 "target/iri-${pkgver}.jar" "$pkgdir/usr/lib/iri/iri.jar"
    install -Dm644 "$srcdir/iri.service" "${pkgdir}/usr/lib/systemd/system/iri.service"
    mkdir -p "$pkgdir/var/lib/iri/db"
    mkdir -p "$pkgdir/var/lib/iri/ixi"
    mkdir -p "$pkgdir/etc"
    cat << EOF >> "$pkgdir/etc/iri.ini"
[IRI]
PORT = 14700
UDP_RECEIVER_PORT = 14600
TCP_RECEIVER_PORT = 15600
NEIGHBORS =
IXI_DIR = /var/lib/iri/ixi
HEADLESS = true
DEBUG = true
TESTNET = false
DB_PATH = /var/lib/iri/db
EOF
}