Jacek Sieka 819442acc3
Allow chain dag without genesis / block (#4230)
* Allow chain dag without genesis / block

This PR enables the initialization of the dag without access to blocks
or genesis state - it is a prerequisite for implementing a number of
interesting features:

* checkpoint sync without any block download
* pruning of blocks and states

* backfill checkpoint block
2022-10-14 22:40:10 +03:00
..
2022-07-06 16:11:44 +00:00
2022-08-17 01:17:22 +03:00
2022-04-08 16:22:49 +00:00
2021-03-02 15:02:10 +01:00

Introduction

ncli is a set of low level / debugging tools to interact with the nimbus beacon chain specification implementation, simliar to zcli. With it, you explore SSZ, make state transitions and compute hash tree roots.

Tools

  • transition: Perform state transition given a pre-state and a block to apply (both in SSZ format)
  • hash_tree_root: Print tree root of an SSZ object
  • pretty: Pretty-print SSZ object as JSON

Building

Follow the instructions from nimbus-eth2

git clone https://github.com/status-im/nimbus-eth2.git
cd nimbus-eth2
make

Usage

# Build with minimal config
../env.sh nim c -d:const_preset=minimal ncli_transition
# Build with mainnet config
../env.sh nim c -d:const_preset=mainnet ncli_transition

# Run..
./ncli_transition --help