print only tx's hash and size when logging blocks

Closes #1799

types/block.go

@@ -464,7 +464,7 @@ func (data *Data) StringIndented(indent string) string {
 			txStrings[i] = fmt.Sprintf("... (%v total)", len(data.Txs))
 			break
 		}
-		txStrings[i] = fmt.Sprintf("Tx:%v", tx)
+		txStrings[i] = fmt.Sprintf("%X (%d bytes)", tx.Hash(), len(tx))
 	}
 	return fmt.Sprintf(`Data{
 %s  %v
@@ -504,7 +504,7 @@ func (data *EvidenceData) StringIndented(indent string) string {
 		}
 		evStrings[i] = fmt.Sprintf("Evidence:%v", ev)
 	}
-	return fmt.Sprintf(`Data{
+	return fmt.Sprintf(`EvidenceData{
 %s  %v
 %s}#%v`,
 		indent, strings.Join(evStrings, "\n"+indent+"  "),