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yenom / BitcoinKit

Bitcoin protocol toolkit for Swift
MIT License
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not an issue - question regarding watching bitcoin addresses #12

Closed johndpope closed 6 years ago

johndpope commented 6 years ago

somebody built a service to watch bitcoin addresses - it leverages WebSockets from (url: URL(string: "wss://ws.blockchain.info/inv

https://github.com/johndpope/bitwake/blob/develop/BitWake/BitcoinBlockchain.swift

is it possible with all technology onboard this app to query this from blockchain?

kishikawakatsumi commented 6 years ago

@johndpope Yes. This library can download blockchain from node.

johndpope commented 6 years ago

I imagine the chain would have to be > 500gb ? does it sync back to genesis block? or did I miss something?

kishikawakatsumi commented 6 years ago

@johndpope Yes, so a wallet which is called SPV wallet download only block headers, not entire blocks. That is suitable for a mobile app. This library also behaves that by default. I meant, "if you'd like to" sync full blockchain, you can.