go-ethereum開發問題

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1. abigen 參考文檔(Native DApps: Go bindings to Ethereum contracts)

abigen --sol token.sol --pkg token --lang go --out token.go
Trying to bind solidity with abigen command, results in this error:

Failed to build Solidity contract: solc: exit status 1unrecognised option ‘--add-std‘

func (s *Solidity) makeArgs() []string {    p := []string{        "--combined-json", "bin,abi,userdoc,devdoc",        "--add-std",  // include standard lib contracts        "--optimize", // code optimizer switched on    }    if s.Major > 0 || s.Minor > 4 || s.Patch > 6 {        p[1] += ",metadata"    }    return p}

更新到新版的ethereum發現

func (s *Solidity) makeArgs() []string {    p := []string{        "--combined-json", "bin,abi,userdoc,devdoc",        "--optimize", // code optimizer switched on    }    if s.Major > 0 || s.Minor > 4 || s.Patch > 6 {        p[1] += ",metadata"    }    return p}

解決

go-ethereum開發問題