27 lines
906 B
Nim
27 lines
906 B
Nim
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import
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asyncdispatch2,
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datatypes, beacon_chain_db
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proc obtainTrustedStateSnapshot*(db: BeaconChainDB): Future[BeaconState] {.async.} =
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# In case our latest state is too old, we must obtain a recent snapshot
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# of the state from a trusted location. This is explained in detail here:
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# https://notes.ethereum.org/oaQV3IF5R2qlJuW-V1r1ew#Beacon-chain-sync
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# TODO: implement this:
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#
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# 1. Specify a large set of trusted state signees
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# (perhaps stored in a config file)
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#
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# 2. Download a signed state hash from a known location
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# (The known location can be either a HTTPS host or a DHT record)
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#
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# 3. Check that enough of the specified required signatures are present
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#
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# 4. Download a snapshot file from a known location
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# (or just obtain it from the network using the ETH protocols)
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#
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# 5. Check that the state snapshot hash is correct and save it in the DB.
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discard
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