Embed Yano in Java

Yano is also a library. YanoAssembly composes the runtime and returns a Yano handle. The public role interfaces live under org.yanoproject.api; callers do not need raw runtime nodes or RocksDB handles.

For devnet mutation controls, add yano-devnet-toolkit and use YanoDevnetAssembly:

import org.yanoproject.api.DevnetControl;
import org.yanoproject.api.config.YanoConfig;
import org.yanoproject.devnet.YanoDevnetAssembly;
import org.yanoproject.runtime.assembly.Yano;

YanoConfig config = YanoConfig.devnetDefault(0);
try (Yano yano = YanoDevnetAssembly.devnet(config).build()) {
    yano.start();
    DevnetControl devnet = yano.devnetControl().orElseThrow();
    devnet.advanceTimeBySlots(10);
    devnet.createDevnetSnapshot("after-ten-slots");
}

Use YanoAssembly.relay(config) for a relay recipe. YanoAssembly.fromConfig(config) selects a recipe from configuration; explicit recipes make the intended role easier to review.

The devnet toolkit supplies rollback, snapshot, faucet, and time controls. Normal relay recipes do not expose DevnetControl. Always close the node handle to release storage and network resources.

Dependency coordinates

Choose an actually published version with the org.yanoproject namespace, or publish this checkout locally. The current source version is in the build manifest.

repositories {
    mavenCentral()
    mavenLocal() // if you built and published this checkout locally
}

dependencies {
    implementation "org.yanoproject:yano-runtime:${yanoVersion}"
    implementation "org.yanoproject:yano-devnet-toolkit:${yanoVersion}"
}

Set yanoVersion explicitly and use matching versions across Yano modules. For tests, prefer the managed Java testkit over assembling and cleaning up every resource yourself.