Capitalize Block.hash

block.go

@@ -12,7 +12,7 @@ type Block struct {
 	Timestamp int64
 	Data      []byte
 	PrevBlock []byte
-	hash      []byte
+	Hash      []byte
 }
 
 // SetHash calculates and sets block hash
@@ -28,7 +28,7 @@ func (b *Block) SetHash() {
 	if err != nil {
 		log.Panic(err)
 	}
-	b.hash = h.Sum(nil)
+	b.Hash = h.Sum(nil)
 }
 
 // NewBlock creates and returns Block

blockchain.go

@@ -10,7 +10,7 @@ type Blockchain struct {
 // AddBlock saves provided data as a block in the blockchain
 func (bc *Blockchain) AddBlock(data string) {
 	prevBlock := bc.blocks[len(bc.blocks)-1]
-	newBlock := &Block{time.Now().Unix(), []byte(data), prevBlock.hash, []byte("")}
+	newBlock := &Block{time.Now().Unix(), []byte(data), prevBlock.Hash, []byte("")}
 	newBlock.SetHash()
 	bc.blocks = append(bc.blocks, newBlock)
 }

main.go

@@ -12,6 +12,6 @@ func main() {
 
 	for _, block := range bc.blocks {
 		fmt.Printf("%s\n", block.Data)
-		fmt.Printf("%x\n", block.hash)
+		fmt.Printf("%x\n", block.Hash)
 	}
 }