CalcGasCost calculate gas cost given gas limit (units) and gas price (wei).

FormatAddress 显示缩略地址.

GetAddAndKey 从字符串中匹配私钥和地址.

GetAddressFromStr 从字符串中匹配地址.

GetPrivateKeyFromStr 从字符串中匹配地址.

IsEthPrivateKey validate if ti's a valid privateKey.

IsValidAddress validate hex address.

IsZeroAddress validate if it's a 0 address.

PublicKeyBytesToAddress ...

SigRSV signatures R S V returned as arrays.

ToDecimal wei to decimals.

ToWei decimals to wei.