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I use geth 1.7 to set up a private network, my genesis config is enter image description here

this is my contract, the first transaction result is of enen(1,2); the second transaction result is of enen(0,2) enter image description here

why the transaction receipt's root filed is always "0x" whether the transaction is successful or not?

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  • This is probably related to EIP-98, which came in with Geth 1.7... github.com/ethereum/EIPs/issues/98
    – Richard Horrocks
    Sep 18, 2017 at 9:58
  • EIP-98 said "the intermediate state root parameter in the receipt should be set to a \x01 byte if the outermost code execution succeeded, or a zero byte if the outermost code execution failed."
    – likang
    Sep 19, 2017 at 12:13
  • In that case it sounds like geth isn't serializing it properly, to "0x0".
    – dcorking
    Jan 19, 2018 at 14:31

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