bitcoin-s/website/versioned_docs/version-0.5.0/oracle/build-oracle-server.md
2021-02-11 09:53:45 -06:00

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version-0.5.0-build-oracle-server Building the Oracle Server build-oracle-server

The Oracle Server is a DLC Oracle with functionality for creating events and attesting to them. You can interact with the oracle server with bitcoin-s-cli or curl

The following a guide is for how to build the oracle server. If you are looking for the documentation on how to use the oracle server, checkout this page.

Step 1: Java and Scala

To get started you will need Java, Scala, and some other nice tools installed, luckily the Scala team has an easy setup process!

Simply follow the instructions in this short blog to get started.

Step 2: Bitcoin-S Repository

Now, it is time to clone the Bitcoin-S repository by running

git clone --recursive git@github.com:bitcoin-s/bitcoin-s.git

or alternatively, if you do not have ssh setup with github, you can run

git clone --recursive https://github.com/bitcoin-s/bitcoin-s.git

Next, you will want to execute the commands

cd bitcoin-s
git submodule update

to download the secp256k1 submodule, this is so cryptographic functions like signing will be faster.

Step 3: Building the Oracle Server

You can build the oracle server with the sbt native packager. The native packager offers numerous ways to package the project.

In this example we are going to use stage which will produce bash scripts we can easily execute. You can stage the server with the following command.

sbt oracleServer/universal:stage

This will produce a script to execute bitcoin-s which you can start with

./app/oracle-server/target/universal/stage/bin/bitcoin-s-oracle-server

Alternatively you can run the server by just using:

sbt oracleServer/run

Step 4: Configuration

If you would like to pass in a custom datadir for your server, you can do

./app/oracle-server/target/universal/stage/bin/bitcoin-s-oracle-server --datadir /path/to/datadir/

To use a config file that is not the bitcoin-s.conf file in your datadir, you can do

./app/oracle-server/target/universal/stage/bin/bitcoin-s-oracle-server --conf /path/to/file.conf

You can also pass in a custom rpcport to bind to

./app/oracle-server/target/universal/stage/bin/bitcoin-s-oracle-server --rpcport 12345

For more information on configuring the server please see our configuration document.

For more information on how to use our built in cli to interact with the server please see the cli docs.