Constructor Detail

• HGEthereumOperator

  HGEthereumOperator(JSWebView jsWebView, ViewGroup attachedView)

  Create Default EthereumOperator, this needs attach to an existing view in the hierarchy to make it working

  Parameters:

  jsWebView -

  • a webView that provides basic functionality to operate EthereumKeystore

  attachedView -

  • a ViewGroup object to hold the jsWebView

Method Detail

• signMessage

   Unit signMessage(String contractAddr, EthereumKeystore keystore, String password, String signOriginal, Function2<String, Error, Unit> completion)

  Sign the message with Ethereum keystore

  Parameters:

  contractAddr -

  • Contract address, this should be a valid Ethereum wallet

  keystore -

  • EthereumKeystore object, this represents a standard Ethereum Keystore file

  password -

  • password for the keystore

  signOriginal -

  • the message to sign with

  completion -

  • when sign message finished, it calls back to tell the result of signing, or the error with the failing reason

• verifyPwd

   Unit verifyPwd(String pwd, EthereumKeystore keystore, Function2<Boolean, Error, Unit> completion)

  verify the password of the EthereumKeystore

  Parameters:

  pwd -

  • password string

  keystore -

  • EthereumKeystore object, this represents a standard Ethereum keystore file

  completion -

  • when check finished, it calls back to tell weather the password is correct or not, or the failing reason if it failed

• generateKeystore

   Unit generateKeystore(String pwd, Function2<EthereumKeystore, Error, Unit> completion)

  create a new EthereumKeystore with password provided

  Parameters:

  pwd -

  • password for the new EthereumKeystore

  completion -

  • when creation finished, it calls back to give the details of the new created keystore, or the error with failing reason

• changePwd

   Unit changePwd(EthereumKeystore keystore, String oldPwd, String newPwd, Function2<EthereumKeystore, Error, Unit> completion)

  change password for the EthereumKeystore, and returns the new EthereumKeustore with that password

  Parameters:

  keystore -

  • original EthereumKeystore

  oldPwd -

  • old password for the keystore

  newPwd -

  • new password for the new keystore

  completion -

  • when success, it calls back to tell the new generated EthereumKeystore, or the error with failing reason