Ethereum 1 dot X: a half-baked roadmap for mainnet improvements

Working Groups Ethereum 1.x Ring
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I have gleaned more details from asking on the all core devs gitter channel.

The Q&A is summarized in Discussion about “eviction archive” nodes.

TLDR:

  • The restoring user must restore their state in a series of steps, calling the proposed RESTORETO opcode within a contract.
  • RESTORETO accepts 1. addr of the hash stump left on eviction, and 2. addr of a contract from which code is taken.
  • This user needs to have the evicted state data, or needs to get this data from some eviction archive service. This data is used in the contract.
  • RESTORETO is not burdensome on any nodes, but is burdensome on the user depending on the size of state being restored.
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