// Copyright (c) 2014-2016 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.

package dagconfig

import (
	"bytes"
	"testing"

	"github.com/davecgh/go-spew/spew"
)

// TestGenesisBlock tests the genesis block of the main network for validity by
// checking the encoded bytes and hashes.
func TestGenesisBlock(t *testing.T) {
	// Encode the genesis block to raw bytes.
	var buf bytes.Buffer
	err := MainNetParams.GenesisBlock.Serialize(&buf)
	if err != nil {
		t.Fatalf("TestGenesisBlock: %v", err)
	}

	// Ensure the encoded block matches the expected bytes.
	if !bytes.Equal(buf.Bytes(), genesisBlockBytes) {
		t.Fatalf("TestGenesisBlock: Genesis block does not appear valid - "+
			"got %v, want %v", spew.Sdump(buf.Bytes()),
			spew.Sdump(genesisBlockBytes))
	}

	// Check hash of the block against expected hash.
	hash := MainNetParams.GenesisBlock.BlockHash()
	if !MainNetParams.GenesisHash.IsEqual(&hash) {
		t.Fatalf("TestGenesisBlock: Genesis block hash does not "+
			"appear valid - got %v, want %v", spew.Sdump(hash),
			spew.Sdump(MainNetParams.GenesisHash))
	}
}

// TestRegTestGenesisBlock tests the genesis block of the regression test
// network for validity by checking the encoded bytes and hashes.
func TestRegTestGenesisBlock(t *testing.T) {
	// Encode the genesis block to raw bytes.
	var buf bytes.Buffer
	err := RegressionNetParams.GenesisBlock.Serialize(&buf)
	if err != nil {
		t.Fatalf("TestRegTestGenesisBlock: %v", err)
	}

	// Ensure the encoded block matches the expected bytes.
	if !bytes.Equal(buf.Bytes(), regTestGenesisBlockBytes) {
		t.Fatalf("TestRegTestGenesisBlock: Genesis block does not "+
			"appear valid - got %v, want %v",
			spew.Sdump(buf.Bytes()),
			spew.Sdump(regTestGenesisBlockBytes))
	}

	// Check hash of the block against expected hash.
	hash := RegressionNetParams.GenesisBlock.BlockHash()
	if !RegressionNetParams.GenesisHash.IsEqual(&hash) {
		t.Fatalf("TestRegTestGenesisBlock: Genesis block hash does "+
			"not appear valid - got %v, want %v", spew.Sdump(hash),
			spew.Sdump(RegressionNetParams.GenesisHash))
	}
}

// TestTestNet3GenesisBlock tests the genesis block of the test network (version
// 3) for validity by checking the encoded bytes and hashes.
func TestTestNet3GenesisBlock(t *testing.T) {
	// Encode the genesis block to raw bytes.
	var buf bytes.Buffer
	err := TestNet3Params.GenesisBlock.Serialize(&buf)
	if err != nil {
		t.Fatalf("TestTestNet3GenesisBlock: %v", err)
	}

	// Ensure the encoded block matches the expected bytes.
	if !bytes.Equal(buf.Bytes(), testNet3GenesisBlockBytes) {
		t.Fatalf("TestTestNet3GenesisBlock: Genesis block does not "+
			"appear valid - got %v, want %v",
			spew.Sdump(buf.Bytes()),
			spew.Sdump(testNet3GenesisBlockBytes))
	}

	// Check hash of the block against expected hash.
	hash := TestNet3Params.GenesisBlock.BlockHash()
	if !TestNet3Params.GenesisHash.IsEqual(&hash) {
		t.Fatalf("TestTestNet3GenesisBlock: Genesis block hash does "+
			"not appear valid - got %v, want %v", spew.Sdump(hash),
			spew.Sdump(TestNet3Params.GenesisHash))
	}
}

// TestSimNetGenesisBlock tests the genesis block of the simulation test network
// for validity by checking the encoded bytes and hashes.
func TestSimNetGenesisBlock(t *testing.T) {
	// Encode the genesis block to raw bytes.
	var buf bytes.Buffer
	err := SimNetParams.GenesisBlock.Serialize(&buf)
	if err != nil {
		t.Fatalf("TestSimNetGenesisBlock: %v", err)
	}

	// Ensure the encoded block matches the expected bytes.
	if !bytes.Equal(buf.Bytes(), simNetGenesisBlockBytes) {
		t.Fatalf("TestSimNetGenesisBlock: Genesis block does not "+
			"appear valid - got %v, want %v",
			spew.Sdump(buf.Bytes()),
			spew.Sdump(simNetGenesisBlockBytes))
	}

	// Check hash of the block against expected hash.
	hash := SimNetParams.GenesisBlock.BlockHash()
	if !SimNetParams.GenesisHash.IsEqual(&hash) {
		t.Fatalf("TestSimNetGenesisBlock: Genesis block hash does "+
			"not appear valid - got %v, want %v", spew.Sdump(hash),
			spew.Sdump(SimNetParams.GenesisHash))
	}
}

// genesisBlockBytes are the wire encoded bytes for the genesis block of the
// main network as of protocol version 60002.
var genesisBlockBytes = []byte{
	0x01, 0x00, 0x00, 0x00, 0x00, 0x69, 0x1f, 0x2e, 0x9c, 0x49, 0x12, 0x54, 0xc5, 0xde, 0x1d, 0x8f,
	0xd0, 0x95, 0x40, 0x07, 0xf0, 0xda, 0x1b, 0x4c, 0x84, 0x3c, 0x07, 0x94, 0x87, 0x6a, 0xd3, 0x0e,
	0xca, 0x87, 0xcc, 0x4b, 0xb9, 0xc8, 0xc4, 0x28, 0x5b, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00,
	0x1e, 0x8f, 0x4c, 0x0a, 0x40, 0x01, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x4d,
	0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, 0x45, 0x54, 0x68, 0x65, 0x20, 0x54, 0x69, 0x6d, 0x65,
	0x73, 0x20, 0x30, 0x33, 0x2f, 0x4a, 0x61, 0x6e, 0x2f, 0x32, 0x30, 0x30, 0x39, 0x20, 0x43, 0x68,
	0x61, 0x6e, 0x63, 0x65, 0x6c, 0x6c, 0x6f, 0x72, 0x20, 0x6f, 0x6e, 0x20, 0x62, 0x72, 0x69, 0x6e,
	0x6b, 0x20, 0x6f, 0x66, 0x20, 0x73, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x20, 0x62, 0x61, 0x69, 0x6c,
	0x6f, 0x75, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x62, 0x61, 0x6e, 0x6b, 0x73, 0xff, 0xff, 0xff,
	0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0xf2, 0x05, 0x2a, 0x01, 0x00, 0x00, 0x00, 0x43, 0x41,
	0x04, 0x67, 0x8a, 0xfd, 0xb0, 0xfe, 0x55, 0x48, 0x27, 0x19, 0x67, 0xf1, 0xa6, 0x71, 0x30, 0xb7,
	0x10, 0x5c, 0xd6, 0xa8, 0x28, 0xe0, 0x39, 0x09, 0xa6, 0x79, 0x62, 0xe0, 0xea, 0x1f, 0x61, 0xde,
	0xb6, 0x49, 0xf6, 0xbc, 0x3f, 0x4c, 0xef, 0x38, 0xc4, 0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, 0x12,
	0xde, 0x5c, 0x38, 0x4d, 0xf7, 0xba, 0x0b, 0x8d, 0x57, 0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d,
	0x5f, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}

// regTestGenesisBlockBytes are the wire encoded bytes for the genesis block of
// the regression test network as of protocol version 60002.
var regTestGenesisBlockBytes = []byte{
	0x01, 0x00, 0x00, 0x00, 0x00, 0x69, 0x1f, 0x2e, 0x9c, 0x49, 0x12, 0x54, 0xc5, 0xde, 0x1d, 0x8f,
	0xd0, 0x95, 0x40, 0x07, 0xf0, 0xda, 0x1b, 0x4c, 0x84, 0x3c, 0x07, 0x94, 0x87, 0x6a, 0xd3, 0x0e,
	0xca, 0x87, 0xcc, 0x4b, 0xb9, 0x36, 0xc6, 0x28, 0x5b, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x7f,
	0x20, 0xf9, 0xff, 0xff, 0xdf, 0x01, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x4d,
	0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, 0x45, 0x54, 0x68, 0x65, 0x20, 0x54, 0x69, 0x6d, 0x65,
	0x73, 0x20, 0x30, 0x33, 0x2f, 0x4a, 0x61, 0x6e, 0x2f, 0x32, 0x30, 0x30, 0x39, 0x20, 0x43, 0x68,
	0x61, 0x6e, 0x63, 0x65, 0x6c, 0x6c, 0x6f, 0x72, 0x20, 0x6f, 0x6e, 0x20, 0x62, 0x72, 0x69, 0x6e,
	0x6b, 0x20, 0x6f, 0x66, 0x20, 0x73, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x20, 0x62, 0x61, 0x69, 0x6c,
	0x6f, 0x75, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x62, 0x61, 0x6e, 0x6b, 0x73, 0xff, 0xff, 0xff,
	0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0xf2, 0x05, 0x2a, 0x01, 0x00, 0x00, 0x00, 0x43, 0x41,
	0x04, 0x67, 0x8a, 0xfd, 0xb0, 0xfe, 0x55, 0x48, 0x27, 0x19, 0x67, 0xf1, 0xa6, 0x71, 0x30, 0xb7,
	0x10, 0x5c, 0xd6, 0xa8, 0x28, 0xe0, 0x39, 0x09, 0xa6, 0x79, 0x62, 0xe0, 0xea, 0x1f, 0x61, 0xde,
	0xb6, 0x49, 0xf6, 0xbc, 0x3f, 0x4c, 0xef, 0x38, 0xc4, 0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, 0x12,
	0xde, 0x5c, 0x38, 0x4d, 0xf7, 0xba, 0x0b, 0x8d, 0x57, 0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d,
	0x5f, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}

// testNet3GenesisBlockBytes are the wire encoded bytes for the genesis block of
// the test network (version 3) as of protocol version 60002.
var testNet3GenesisBlockBytes = []byte{
	0x01, 0x00, 0x00, 0x00, 0x00, 0x69, 0x1f, 0x2e, 0x9c, 0x49, 0x12, 0x54, 0xc5, 0xde, 0x1d, 0x8f,
	0xd0, 0x95, 0x40, 0x07, 0xf0, 0xda, 0x1b, 0x4c, 0x84, 0x3c, 0x07, 0x94, 0x87, 0x6a, 0xd3, 0x0e,
	0xca, 0x87, 0xcc, 0x4b, 0xb9, 0x06, 0xc7, 0x28, 0x5b, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00,
	0x1e, 0x3b, 0x1b, 0x2f, 0x80, 0x01, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x4d,
	0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, 0x45, 0x54, 0x68, 0x65, 0x20, 0x54, 0x69, 0x6d, 0x65,
	0x73, 0x20, 0x30, 0x33, 0x2f, 0x4a, 0x61, 0x6e, 0x2f, 0x32, 0x30, 0x30, 0x39, 0x20, 0x43, 0x68,
	0x61, 0x6e, 0x63, 0x65, 0x6c, 0x6c, 0x6f, 0x72, 0x20, 0x6f, 0x6e, 0x20, 0x62, 0x72, 0x69, 0x6e,
	0x6b, 0x20, 0x6f, 0x66, 0x20, 0x73, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x20, 0x62, 0x61, 0x69, 0x6c,
	0x6f, 0x75, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x62, 0x61, 0x6e, 0x6b, 0x73, 0xff, 0xff, 0xff,
	0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0xf2, 0x05, 0x2a, 0x01, 0x00, 0x00, 0x00, 0x43, 0x41,
	0x04, 0x67, 0x8a, 0xfd, 0xb0, 0xfe, 0x55, 0x48, 0x27, 0x19, 0x67, 0xf1, 0xa6, 0x71, 0x30, 0xb7,
	0x10, 0x5c, 0xd6, 0xa8, 0x28, 0xe0, 0x39, 0x09, 0xa6, 0x79, 0x62, 0xe0, 0xea, 0x1f, 0x61, 0xde,
	0xb6, 0x49, 0xf6, 0xbc, 0x3f, 0x4c, 0xef, 0x38, 0xc4, 0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, 0x12,
	0xde, 0x5c, 0x38, 0x4d, 0xf7, 0xba, 0x0b, 0x8d, 0x57, 0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d,
	0x5f, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}

// simNetGenesisBlockBytes are the wire encoded bytes for the genesis block of
// the simulation test network as of protocol version 70002.
var simNetGenesisBlockBytes = []byte{
	0x01, 0x00, 0x00, 0x00, 0x00, 0x69, 0x1f, 0x2e, 0x9c, 0x49, 0x12, 0x54, 0xc5, 0xde, 0x1d, 0x8f,
	0xd0, 0x95, 0x40, 0x07, 0xf0, 0xda, 0x1b, 0x4c, 0x84, 0x3c, 0x07, 0x94, 0x87, 0x6a, 0xd3, 0x0e,
	0xca, 0x87, 0xcc, 0x4b, 0xb9, 0x02, 0xa0, 0x50, 0x5b, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x7f,
	0x20, 0xfd, 0xff, 0xff, 0x5f, 0x01, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x4d,
	0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, 0x45, 0x54, 0x68, 0x65, 0x20, 0x54, 0x69, 0x6d, 0x65,
	0x73, 0x20, 0x30, 0x33, 0x2f, 0x4a, 0x61, 0x6e, 0x2f, 0x32, 0x30, 0x30, 0x39, 0x20, 0x43, 0x68,
	0x61, 0x6e, 0x63, 0x65, 0x6c, 0x6c, 0x6f, 0x72, 0x20, 0x6f, 0x6e, 0x20, 0x62, 0x72, 0x69, 0x6e,
	0x6b, 0x20, 0x6f, 0x66, 0x20, 0x73, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x20, 0x62, 0x61, 0x69, 0x6c,
	0x6f, 0x75, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x62, 0x61, 0x6e, 0x6b, 0x73, 0xff, 0xff, 0xff,
	0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0xf2, 0x05, 0x2a, 0x01, 0x00, 0x00, 0x00, 0x43, 0x41,
	0x04, 0x67, 0x8a, 0xfd, 0xb0, 0xfe, 0x55, 0x48, 0x27, 0x19, 0x67, 0xf1, 0xa6, 0x71, 0x30, 0xb7,
	0x10, 0x5c, 0xd6, 0xa8, 0x28, 0xe0, 0x39, 0x09, 0xa6, 0x79, 0x62, 0xe0, 0xea, 0x1f, 0x61, 0xde,
	0xb6, 0x49, 0xf6, 0xbc, 0x3f, 0x4c, 0xef, 0x38, 0xc4, 0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, 0x12,
	0xde, 0x5c, 0x38, 0x4d, 0xf7, 0xba, 0x0b, 0x8d, 0x57, 0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d,
	0x5f, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}