From 47d6ac16aef156de658f5ac87d9fa17500c4f401 Mon Sep 17 00:00:00 2001
From: Jimmy Hu <jimmy.hu@dexon.org>
Date: Wed, 14 Nov 2018 15:32:27 +0800
Subject: core, dex: Optimize sender calculation in block transactions. (#22)

* Add Transactions.TouchSenders that calculates sender and update cache

* Use TouchSenders to fill the caches
---
 dex/app.go | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'dex/app.go')

diff --git a/dex/app.go b/dex/app.go
index a90dfae37..7d9c9e13a 100644
--- a/dex/app.go
+++ b/dex/app.go
@@ -362,6 +362,12 @@ func (d *DexconApp) VerifyBlock(block *coreTypes.Block) coreTypes.BlockVerifySta
 		return coreTypes.VerifyInvalidBlock
 	}
 
+	_, err := transactions.TouchSenders(types.MakeSigner(d.blockchain.Config(), new(big.Int)))
+	if err != nil {
+		log.Error("Failed to calculate sender", "error", err)
+		return coreTypes.VerifyInvalidBlock
+	}
+
 	addressNonce, err := d.validateNonce(transactions)
 	if err != nil {
 		log.Error("Validate nonce failed", "error", err)
-- 
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