add testnet sripts

electrs/t1_electrs_on_RaspiBlitz.sh

@@ -0,0 +1,46 @@
+# Download and run this script on the RaspiBlitz:
+# $ wget https://github.com/openoms/bitcoin-tutorials/raw/master/electrs/electrs_install_on_RaspiBlitz.sh && bash electrs_install_on_RaspiBlitz.sh
+
+# https://github.com/romanz/electrs/blob/master/doc/usage.md
+echo ""
+echo "***"
+echo "Installing Rust - press 1 and [ENTER] when prompted"
+echo "***"
+echo ""
+curl https://sh.rustup.rs -sSf | sh
+
+source $HOME/.cargo/env
+sudo apt update
+sudo apt install -y clang cmake  # for building 'rust-rocksdb'
+ 
+echo ""
+echo "***"
+echo "Downloading and building electrs. This will take ~30 minutes" # ~22 min on an Odroid XU4
+echo "***"
+echo ""
+git clone https://github.com/romanz/electrs
+cd electrs
+cargo build --release
+ 
+echo ""
+echo "***"
+echo "The electrs database will be built in /mnt/hdd/electrs/testnetdb. Takes ~18 hours and ~50Gb diskspace"
+echo "***"
+echo ""
+
+sudo mkdir /mnt/hdd/electrs
+sudo chown -R admin:admin /mnt/hdd/electrs
+sudo ufw allow 60001
+
+echo "Type the PASSWORD B of your RaspiBlitz followed by [ENTER]:"
+read PASSWORD_B
+
+# Run with password B filled in: 
+cargo run --release -- -vvvv --index-batch-size=10 --jsonrpc-import --db-dir /mnt/hdd/electrs/testnetdb --cookie="raspibolt:$PASSWORD_B" --electrum-rpc-addr="0.0.0.0:60001" --network testnet --timestamp
+
+# to preserve settings:
+# see https://github.com/romanz/electrs/blob/master/src/config.rs
+# sudo nano $HOME/electrs/src/config.rs 
+# change the lines:
+# 73: from: .takes_value(true), to: .default_value("raspibolt:PASSWORD B"),
+# 132: from .default_value("Welcome to electrs (Electrum Rust Server)!") to your custom message

electrs/t2_electrs_systemd_service.sh

@@ -0,0 +1,35 @@
+# Install the electrs systemd service.
+# Prerequisite: 1_electrs_on_RaspiBlitz.sh
+
+# To download and run:
+# $ wget https://raw.githubusercontent.com/openoms/bitcoin-tutorials/master/electrs/2_electrs_systemd_service.sh && bash 2_electrs_systemd_service.sh
+
+echo ""
+echo "***"
+echo "Type the PASSWORD B of your RaspiBlitz followed by [ENTER] for the electrs service:"
+read PASSWORD_B
+
+# sudo nano /etc/systemd/system/electrs.service 
+echo "
+[Unit]
+Description=Electrs
+After=bitcoind.service
+
+[Service]
+WorkingDirectory=/home/admin/electrs
+ExecStart=/home/admin/electrs/target/release/electrs --index-batch-size=10 --jsonrpc-import --db-dir /mnt/hdd/electrs/testnetdb  --electrum-rpc-addr="0.0.0.0:60001" --cookie="raspibolt:$PASSWORD_B" --network testnet --timestamp -vvvv
+
+User=admin
+Group=admin
+Type=simple
+KillMode=process
+TimeoutSec=60
+Restart=always
+RestartSec=60
+
+[Install]
+WantedBy=multi-user.target
+" | sudo tee -a /etc/systemd/system/electrs.service 
+
+sudo systemctl enable electrs
+sudo systemctl start electrs