deploy: download blockchain to temporary dir

deployment/deploy.bash

@@ -34,9 +34,10 @@ sudo git apply ~/nodejs-pool/deployment/fluffy.patch
 sudo make -j 4
 sudo cp ~/nodejs-pool/deployment/monero.service /lib/systemd/system/
 sudo useradd -m monerodaemon -d /home/monerodaemon
-wget -O /tmp/blockchain.raw https://downloads.getmonero.org/blockchain.raw
-sudo -u monerodaemon /usr/local/src/monero/build/release/bin/monero-blockchain-import --input-file /tmp/blockchain.raw --batch-size 20000 --database lmdb#fastest --verify off --data-dir /home/monerodaemon/.bitmonero
-rm -f /tmp/blockchain.raw
+BLOCKCHAIN_DOWNLOAD_DIR=$(mktemp -d)
+wget -O $BLOCKCHAIN_DOWNLOAD_DIR/blockchain.raw https://downloads.getmonero.org/blockchain.raw
+sudo -u monerodaemon /usr/local/src/monero/build/release/bin/monero-blockchain-import --input-file $BLOCKCHAIN_DOWNLOAD_DIR/blockchain.raw --batch-size 20000 --database lmdb#fastest --verify off --data-dir /home/monerodaemon/.bitmonero
+rm -rf $BLOCKCHAIN_DOWNLOAD_DIR
 sudo systemctl daemon-reload
 sudo systemctl enable monero
 sudo systemctl start monero