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citrea-testnet-source.md

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Run Citrea Testnet by building from the source

You may want to do some changes, compile, and run the Citrea on your local.

Step 1: Install Rust

If you don't have it, install it from here.

Step 2: Clone the source code

Let's clone the repository and checkout the latest tag:

git clone https://github.com/chainwayxyz/citrea
cd citrea
git fetch --tags
git checkout $(git describe --tags `git rev-list --tags --max-count=1`)

Step 3: Build Citrea

Let's install necessary developer tools first:

make install-dev-tools

Then compile Citrea by running the following:

SKIP_GUEST_BUILD=1 cargo build --release

Optionally, if you wish to verify ZK-Proofs, then you'll need to compile our ZK VM binaries inside Docker. To do so, follow instructions to install Docker here. Then, you should remove SKIP_GUEST_BUILD=1 and add REPR_GUEST_BUILD=1 before cargo build command:

REPR_GUEST_BUILD=1 cargo build --release

Step 4: Run Citrea

Look through the rollup_config.toml and apply changes as you wish, if you modified any Bitcoin RPC configs, change corresponding values under [da]. Then, you can run the full node by the following:

./target/release/citrea --da-layer bitcoin --rollup-config-path ./resources/configs/testnet/rollup_config.toml --genesis-paths ./resources/genesis/testnet

If everything is correct, you should see some logs that looks like this:

2024-09-20T07:46:40.910416Z  INFO citrea_fullnode::runner: New State Root after soft confirmation #273314 is: RootHash("52b3c30f68667a7f25707534d2dc21d9071e7b776cb19df54166108fb6858c91")
2024-09-20T07:46:43.259511Z  INFO citrea_fullnode::runner: Running soft confirmation batch #273315 with hash: 0x1e387d251804ef906006dd0dd3c392fdb891c81ef14cb531cf51e7ee3e72e0e0 on DA block #46991
2024-09-20T07:46:43.267653Z  INFO citrea_fullnode::runner: New State Root after soft confirmation #273315 is: RootHash("1c04ab455e3b36da5a780b510e9d5bb1210ce6ca6027a11ac70e145bf33525d8")
2024-09-20T07:46:44.500370Z  INFO citrea_fullnode::runner: Running soft confirmation batch #273316 with hash: 0xd7ac25afe89c509d58a044271de3cfd720c4143a7dd07a86c615b99db1a26c83 on DA block #46991

You can check the status with the following command (you may need to arrange the URL at the end based on your setup):

curl -X POST --header "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"citrea_syncStatus","params":[], "id":31}' http://0.0.0.0:8080

A sample response (fields may vary based on the sync status):

{
  "jsonrpc": "2.0",
  "id": 31,
  "result": {
    "l1Status": {
      "Synced": 46916
    },
    "l2Status": {
      "Syncing": {
        "headBlockNumber": 252441,
        "syncedBlockNumber": 123425
      }
    }
  }
}