Persistance (#53)

* added publish TX for backwards compat.

* lowered the prototick for faster block syncing

* print useragent on startup

* added createMultiRedeemScript for genesis block generation.

* building genesis block from scratch.

* implemented merkle tree.

* starting blockhain with generated genesis hash

* Fixed bug in unspent coin state.

* fixed broken tests after genesis block.

* removed log line.

* bumped version -> 0.34.0

pkg/util/uint160_test.go

@@ -1 +1,50 @@
 package util
+
+import (
+	"encoding/hex"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestUInt160DecodeString(t *testing.T) {
+	hexStr := "2d3b96ae1bcc5a585e075e3b81920210dec16302"
+	val, err := Uint160DecodeString(hexStr)
+	if err != nil {
+		t.Fatal(err)
+	}
+	assert.Equal(t, hexStr, val.String())
+}
+
+func TestUint160DecodeBytes(t *testing.T) {
+	hexStr := "2d3b96ae1bcc5a585e075e3b81920210dec16302"
+	b, err := hex.DecodeString(hexStr)
+	if err != nil {
+		t.Fatal(err)
+	}
+	val, err := Uint160DecodeBytes(b)
+	if err != nil {
+		t.Fatal(err)
+	}
+	assert.Equal(t, hexStr, val.String())
+}
+
+func TestUInt160Equals(t *testing.T) {
+	a := "2d3b96ae1bcc5a585e075e3b81920210dec16302"
+	b := "4d3b96ae1bcc5a585e075e3b81920210dec16302"
+
+	ua, err := Uint160DecodeString(a)
+	if err != nil {
+		t.Fatal(err)
+	}
+	ub, err := Uint160DecodeString(b)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if ua.Equals(ub) {
+		t.Fatalf("%s and %s cannot be equal", ua, ub)
+	}
+	if !ua.Equals(ua) {
+		t.Fatalf("%s and %s must be equal", ua, ua)
+	}
+}