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Dan Romero
@dwr.eth
How Farcaster Hubs work Hubs validate, storage and replicate account messages to other hubs in a decentralized way. There are 3 main components: storage, p2p and sync.
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Dan Romero
@dwr.eth
1. Storage Messages received by Hubble are forwarded to the Storage engine which forwards them to the appropriate CRDT Set. Once validated by the CRDT Set, messages are persisted to RocksDB and events are emitted to listeners.
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William Saar
@saarw.eth
Curious why Farcaster uses CRDTs? Do sets of updates get created in different places and merged in arbitrary order? If so, CRDTs are probably needed, but if one hub controls the creation of each set, techniques like event sourcing can provide smaller states
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Dan Romero
@dwr.eth
cc @v
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Varun Srinivasan
@v
yes, created in different places and merged in arbitrary order
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William Saar
@saarw.eth
Shame, as I've written a cool event sourcing library you could otherwise use 😅 https://github.com/saarw/Flushout
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