# Oracle Slinky

```
cd $HOME && \
ver="v0.4.3" && \
git clone https://github.com/skip-mev/slinky.git && \
cd slinky && \
git checkout $ver && \
make build && \
mv build/slinky /usr/local/bin/
```

<pre><code><strong>echo 'export NODE_GRPC_ENDPOINT="0.0.0.0:9090"' >> ~/.bash_profile
</strong>echo 'export ORACLE_CONFIG_PATH="$HOME/slinky/config/core/oracle.json"' >> ~/.bash_profile
echo 'export ORACLE_GRPC_PORT="8080"' >> ~/.bash_profile
echo 'export ORACLE_METRICS_ENDPOINT="0.0.0.0:8002"' >> ~/.bash_profile
source $HOME/.bash_profile
</code></pre>

```
sed -i "s|\"url\": \".*\"|\"url\": \"$NODE_GRPC_ENDPOINT\"|" $ORACLE_CONFIG_PATH
sed -i "s|\"prometheusServerAddress\": \".*\"|\"prometheusServerAddress\": \"$ORACLE_METRICS_ENDPOINT\"|" $ORACLE_CONFIG_PATH
sed -i "s|\"port\": \".*\"|\"port\": \"$ORACLE_GRPC_PORT\"|" $ORACLE_CONFIG_PATH
```

```
sudo tee /etc/systemd/system/initia-oracle.service > /dev/null <<EOF
[Unit]
Description=Initia Oracle
After=network.target

[Service]
User=$USER
Type=simple
ExecStart=$(which slinky) --oracle-config-path $ORACLE_CONFIG_PATH
Restart=on-failure
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF
```

```
sudo systemctl daemon-reload && \
sudo systemctl enable initia-oracle && \
sudo systemctl restart initia-oracle && \
sudo journalctl -u initia-oracle -f -o cat
```

#### Validating Prices

```
cd $HOME/slinky && \
make run-oracle-client
```

#### Enable Oracle Vote Extension

```
ORACLE_GRPC_ENDPOINT="0.0.0.0:8080"
ORACLE_CLIENT_TIMEOUT="500ms"
NODE_APP_CONFIG_PATH="$HOME/.initia/config/app.toml"

sed -i '/\[oracle\]/!b;n;c\
enabled = "true"' $NODE_APP_CONFIG_PATH

sed -i "/oracle_address =/c\oracle_address = \"$ORACLE_GRPC_ENDPOINT\"" $NODE_APP_CONFIG_PATH

sed -i "/client_timeout =/c\client_timeout = \"$ORACLE_CLIENT_TIMEOUT\"" $NODE_APP_CONFIG_PATH

sed -i '/metrics_enabled =/c\metrics_enabled = "false"' $NODE_APP_CONFIG_PATH
```

```
cat $HOME/.initia/config/app.toml
```

```
###############################################################################
###                                  Oracle                                 ###
###############################################################################
[oracle]
# Enabled indicates whether the oracle is enabled.
enabled = "true"

# Oracle Address is the URL of the out-of-process oracle sidecar. This is used to
# connect to the oracle sidecar when the application boots up. Note that the address
# can be modified at any point, but will only take effect after the application is
# restarted. This can be the address of an oracle container running on the same
# machine or a remote machine.
oracle_address = "0.0.0.0:8080"

# Client Timeout is the time that the client is willing to wait for responses from 
# the oracle before timing out.
client_timeout = "500ms"

# MetricsEnabled determines whether oracle metrics are enabled. Specifically,
# this enables instrumentation of the oracle client and the interaction between
# the oracle and the app.
metrics_enabled = "false"
```


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