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lodestar/.env.test
Nico Flaig 889b1c4475 chore: remove merge transition code (#8680)
**Motiviation**

All networks have completed the merge transition and most execution
clients no longer support pre-merge so it's not even possible anymore to
run a network from a genesis before bellatrix, unless you keep it to
phase0/altair only, which still works after this PR is merged.

This code is effectively tech debt, no longer exercised and just gets in
the way when doing refactors.

**Description**

Removes all code related to performing the merge transition. Running the
node pre-merge (CL only mode) is still possible and syncing still works.
Also removed a few CLI flags we added for the merge specifically, those
shouldn't be used anymore. Spec constants like
`TERMINAL_TOTAL_DIFFICULTY` are kept for spec compliance and ssz types
(like `PowBlock`) as well. I had to disable a few spec tests related to
handling the merge block since those code paths are removed.

Closes https://github.com/ChainSafe/lodestar/issues/8661
2025-12-12 10:18:23 +07:00

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# We use these images during sim and e2e tests
GETH_DOCKER_IMAGE=ethereum/client-go:v1.16.7
# Use either image or local binary for the testing
GETH_BINARY_DIR=
LIGHTHOUSE_DOCKER_IMAGE=ethpandaops/lighthouse:unstable-d235f2c
# We can't upgrade nethermind further due to genesis hash mismatch with the geth
# https://github.com/NethermindEth/nethermind/issues/6683
# Disabling Nethermind from sim tests until the above issue is resolved
NETHERMIND_DOCKER_IMAGE=nethermind/nethermind:1.18.2
# We mostly use mainnet for unit testing
# Changing this value may impact the tests which are written with mainnet in mind
LODESTAR_PRESET=mainnet