I need to migrate the state of an EVM solochain (not substrate) into a Frontier-based parachain.

The original chain has been running for a while with high activity, so the state is fairly big.

I am considering doing this over Genesis, but I need to know the potential blockers.

  • Would the chainspec file become prohibitively large?
  • Would the genesis block become prohibitively large?

Also, am I missing any other blockers for this approach?

1 Answer 1

  1. The chain specification file will definitely be large.
  2. For information on the maximum size of a block, you can refer to this link: what is the maximum size of a block?.

You can also utilize a worker to feed new chain with the old data once it is booted.

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