shutter: collect data from smart contracts #13553
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taratorio
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Jan 27, 2025
relates to #13383 takes a chunk of changes out of bigger shutter PR #13553 in which we collect data from various shutter smart contracts context on this PR: - smart contracts objects generated by `abigen` rely on `bind.ContractBackend` in order to be used - we currently do not have an implementation of that interface in Erigon (apart from `SimulatedBackend` which is used in testing - inherited from Geth) - in this PR im adding an implementation of `ContractBackend` which uses the `EthApi` jsonrpc object and directly calls it instead of going via http rpc and/or websocket (for log update subscriptions) - this is analogous to how we have `direct` and `remote` grpc clients for our grpc-based components - ive also wired the new contract backend to the shutter pool - this will be used in a subsequent PR (check the aforementioned PR #13553 for usages) note that this is needed also for @shohamc1 's work for native AA which is why it will be good to merge it in main
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