ElectrumOutput constructor
- required ElectrumScriptPubKey scriptPubKey,
 - required BigInt value,
 - required int n,
 - bool belongsToUs = false,
 - bool spent = false,
 - required NodeWithAddress node,
 
Implementation
const ElectrumOutput({
  required this.scriptPubKey,
  required this.value,
  required this.n,
  this.belongsToUs = false,
  this.spent = false,
  required this.node,
});