Sync HeartbeatTxnFields in SDK with struct in go-algorand.

types/heartbeat.go

@@ -12,9 +12,16 @@ type HeartbeatTxnFields struct {
 	// HbProof is a signature using HeartbeatAddress's partkey, thereby showing it is online.
 	HbProof HeartbeatProof `codec:"hbprf"`
 
-	// HbSeed must be the block seed for the block before this transaction's
-	// firstValid. It is supplied in the transaction so that Proof can be
-	// checked at submit time without a ledger lookup, and must be checked at
-	// evaluation time for equality with the actual blockseed.
+	// The final three fields are included to allow early, concurrent check of
+	// the HbProof.
+
+	// HbSeed must be the block seed for the this transaction's firstValid
+	// block. It is the message that must be signed with HbAddress's part key.
 	HbSeed Seed `codec:"hbsd"`
+
+	// HbVoteID must match the HbAddress account's current VoteID.
+	HbVoteID OneTimeSignatureVerifier `codec:"hbvid"`
+
+	// HbKeyDilution must match HbAddress account's current KeyDilution.
+	HbKeyDilution uint64 `codec:"hbkd"`
 }