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When a database has been pruned, we can still export the non-pruned part - running the era exported together with pruning allows archiving the full ethereum history for future reference without wasting space in the database. * use logging for reporting era write progress * less noise when skipping existing files * load blocks from era store also when working with `ncli_db` * write to temporary file then rename when era is complete, to reduce risk of corruption * also avoids loading the in-progress era file when writing and reading from the same era folder
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