lib/utils/log.js
function Log(data) {
  var self = this;
  Object.keys(data).forEach(function(key) {
    self[key] = data[key];
  });
}
function Log(data) {
  var self = this;
  Object.keys(data).forEach(function(key) {
    self[key] = data[key];
  });
}
Expects:  logIndex: ... transactionIndex: ... transactionHash: ... block: ... address: ... data: ... topics: ... type: ...