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echecks implementation #53

Draft

amiller wants to merge 2 commits into flashbots:main from amiller:echecks

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amiller commented Jun 30, 2024

Here's an initial implementation of Kettle Cash described here: https://collective.flashbots.net/t/request-for-suapp-kettle-cash/3614/1

The basic idea is:

A check defines a user account, and the address of a kettle where the check can be cashed.
For an on-chain deposit, there will be no signature, but instead the check will be stored in an on-chain list.
Issuing an off-chain check produces a signature, and updates volatile memory.
To withdraw to on-chain, issue a check with no kettle specified.

Note that there is no protection against a Kettle crashing! Any coins stored on a Kettle that's crashed are simply gone.

To fix this, we should do something with a recovery address and timeouts.

amiller added 2 commits

June 29, 2024 21:00


          echecks implementation

d0d1841


          include attestation or on-chain check

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