This adds type and struct field context to error messages. Instead of "hex string of odd length" users will now see "json: cannot unmarshal hex string of odd length into Go struct field SendTxArgs.from of type common.Address".
This adds type and struct field context to error messages. Instead of "hex string of odd length" users will now see "json: cannot unmarshal hex string of odd length into Go struct field SendTxArgs.from of type common.Address".