Nest packages under pkg

pkg/core/block.go

@@ -0,0 +1,15 @@
+package core
+
+type Block struct {
+	Difficulty   int64
+	GasLimit     int64
+	GasUsed      int64
+	Hash         string
+	Nonce        string
+	Number       int64
+	ParentHash   string
+	Size         int64
+	Time         int64
+	Transactions []Transaction
+	UncleHash    string
+}

pkg/core/blockchain.go

@@ -0,0 +1,7 @@
+package core
+
+type Blockchain interface {
+	SubscribeToBlocks(blocks chan Block)
+	StartListening()
+	StopListening()
+}

pkg/core/blockchain_observer.go

@@ -0,0 +1,5 @@
+package core
+
+type BlockchainObserver interface {
+	NotifyBlockAdded(Block)
+}

pkg/core/core_suite_test.go

@@ -0,0 +1,13 @@
+package core_test
+
+import (
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"testing"
+)
+
+func TestVulcanizedb(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Vulcanizedb Suite")
+}

pkg/core/transaction.go

@@ -0,0 +1,11 @@
+package core
+
+type Transaction struct {
+	Hash     string
+	Data     []byte
+	Nonce    uint64
+	To       string
+	GasLimit int64
+	GasPrice int64
+	Value    int64
+}