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blockdreamer
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Ethereum block hallucinator
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Download README
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README.md
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blockdreamer
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`blockdreamer` ============= Blockdreamer is a microservice for triggering block production on Ethereum consensus clients. Each slot it hits the `/eth/v2/validator/blocks/slot` endpoint for each node in its `config.toml`. This is useful for several tasks: - Benchmarking/stress testing - Generating training data for [blockprint](https://github.com/sigp/blockprint) - Computing similarity scores for blocks (an alternative to blockprint, see `src/distance.rs`) ## Installation A Docker image is available on the GitHub container registry: ``` docker pull ghcr.io/sigp/blockdreamer ``` Or you can build from source: ``` cargo build --release ``` ## Configuration Blockdreamer is configured by a `config.toml` provided to the `--config` flag. ``` Ethereum block hallucinator. Usage: blockdreamer --config <PATH> Options: --config <PATH> Path to a TOML configuration file. See docs for examples -h, --help Print help -V, --version Print version ``` An example configuration file can be found at [`example.toml`](./example.toml). A full list of configuration options can be found in the source: [`src/config.rs`](./src/config.rs). ## Consensus Node Configuration Ensure that all the consensus nodes configured with blockdreamer have a fee recipient set. Block proposals may fail if the fee recipient is not set. A dummy value is usually sufficient, e.g. for Lighthouse: ``` lighthouse bn \ --suggested-fee-recipient 0xffffffffffffffffffffffffffffffffffffffff ``` ## Execution Node Configuration Blockdreamer is often used in conjunction with [Eleel][], which both simplifies the maintenance of the consensus node swarm and streamlines block building. Unlike execution nodes which may take significant time to build an execution payload, Eleel can build a dummy payload in milliseconds, and isn't fussy about how the consensus node asks for that payload. [Eleel]: https://github.com/sigp/eleel
