More efficient hash code for Payload with fewer collisions for regular JSON inputs

Author: plokhotnyuk

core/src/jsonrpclib/Payload.scala

@@ -12,17 +12,9 @@ final case class Payload(array: Array[Byte]) {
  case _ => false
  }
 
- override def hashCode(): Int = {
- var hashCode = 0
- var i = 0
- while (i < array.length) {
- hashCode += array(i).hashCode()
- i += 1
- }
- hashCode
- }
+ override lazy val hashCode: Int = java.util.Arrays.hashCode(array)
 
- override def toString = Base64.getEncoder().encodeToString(array)
+ override def toString = Base64.getEncoder.encodeToString(array)
 }
 object Payload {