3

Does anyone know of any Web3 queries that can be used to determine whether the underlying node is running for example, Ethereum vs Ethereum Classic?

Would eth_protocolVersion be a suitable query for determining this?

4

Ask using eth_getBlockByNumber for the block 1,920,000 (0x1D4C00 in hex)

curl -X POST --data '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["0x1D4C00", true],"id":1}' https://mainnet.infura.io | python -m "json.tool" | grep "\"hash\"" | head -n1

It will give you in ethereum 0x4985f5ca3d2afbec36529aa96f74de3cc10a2a4a6c44f2157a57d2c6059a11bb

In ethereum classic it'll be 0x94365e3a8c0b35089c1d1195081fe7489b528a84b22199c916180db8b28ade7f

(Source for ETC: http://gastracker.io/block/1920000)

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