From 56ccd7c8caaea1782a52dd7affeec5a02b77b4f1 Mon Sep 17 00:00:00 2001
From: Ivan Kuznetsov <me@jeiwan.ru>
Date: Sun, 17 Sep 2017 09:16:50 +0700
Subject: [PATCH] Implement rewards

---
 blockchain.go | 4 ++++
 cli_send.go   | 5 ++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/blockchain.go b/blockchain.go
index e2579fe..543ddc2 100644
--- a/blockchain.go
+++ b/blockchain.go
@@ -270,6 +270,10 @@ func (bc *Blockchain) SignTransaction(tx *Transaction, privKey ecdsa.PrivateKey)
 
 // VerifyTransaction verifies transaction input signatures
 func (bc *Blockchain) VerifyTransaction(tx *Transaction) bool {
+	if tx.IsCoinbase() {
+		return true
+	}
+
 	prevTXs := make(map[string]Transaction)
 
 	for _, vin := range tx.Vin {
diff --git a/cli_send.go b/cli_send.go
index fb8117c..fea84d8 100644
--- a/cli_send.go
+++ b/cli_send.go
@@ -17,6 +17,9 @@ func (cli *CLI) send(from, to string, amount int) {
 	defer bc.db.Close()
 
 	tx := NewUTXOTransaction(from, to, amount, bc)
-	bc.MineBlock([]*Transaction{tx})
+	cbTx := NewCoinbaseTX(from, "")
+	txs := []*Transaction{cbTx, tx}
+
+	bc.MineBlock(txs)
 	fmt.Println("Success!")
 }