# lodestar-state-transition

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> This package is part of [ChainSafe's Lodestar](https://lodestar.chainsafe.io) project

The beacon state transition and state transition utilities

## Usage

```typescript
import {CachedBeaconStateAllForks, stateTransition} from "@lodestar/state-transition";
import {ssz} from "@lodestar/types";
import {generateState} from "./test/utils/state.js";

// dummy test state
const preState: CachedBeaconStateAllForks = generateState() as CachedBeaconStateAllForks;

// dummy test block
const block = ssz.phase0.SignedBeaconBlock.defaultValue();

// Run state transition on block
const postState = stateTransition(preState, block);
```

## License

Apache-2.0 [ChainSafe Systems](https://chainsafe.io)