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/core/util_test.go

@@ -0,0 +1,61 @@
+package core
+
+import (
+	"testing"
+
+	"github.com/CityOfZion/neo-go/config"
+	"github.com/CityOfZion/neo-go/pkg/crypto"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGenesisBlockMainNet(t *testing.T) {
+	cfg, err := config.Load("../../config", config.ModeMainNet)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	block, err := createGenesisBlock(cfg.ProtocolConfiguration)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expect := "d42561e3d30e15be6400b6df2f328e02d2bf6354c41dce433bc57687c82144bf"
+	assert.Equal(t, expect, block.Hash().String())
+}
+
+func TestGetConsensusAddressMainNet(t *testing.T) {
+	var (
+		consensusAddr   = "APyEx5f4Zm4oCHwFWiSTaph1fPBxZacYVR"
+		consensusScript = "59e75d652b5d3827bf04c165bbe9ef95cca4bf55"
+	)
+
+	cfg, err := config.Load("../../config", config.ModeMainNet)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	validators, err := getValidators(cfg.ProtocolConfiguration)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	script, err := getNextConsensusAddress(validators)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	assert.Equal(t, consensusScript, script.String())
+	assert.Equal(t, consensusAddr, crypto.AddressFromUint160(script))
+}
+
+func TestUtilityTokenTX(t *testing.T) {
+	expect := "602c79718b16e442de58778e148d0b1084e3b2dffd5de6b7b16cee7969282de7"
+	tx := utilityTokenTX()
+	assert.Equal(t, expect, tx.Hash().String())
+}
+
+func TestGoverningTokenTX(t *testing.T) {
+	expect := "c56f33fc6ecfcd0c225c4ab356fee59390af8560be0e930faebe74a6daff7c9b"
+	tx := governingTokenTX()
+	assert.Equal(t, expect, tx.Hash().String())
+}