// Copyright (c) 2013-2016 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.

package bloom_test

import (
	"bytes"
	"encoding/hex"
	"testing"

	"github.com/btcsuite/btcd/btcutil"
	"github.com/btcsuite/btcd/btcutil/bloom"
	"github.com/btcsuite/btcd/chaincfg/chainhash"
	"github.com/btcsuite/btcd/wire"
)

// TestFilterLarge ensures a maximum sized filter can be created.
func TestFilterLarge(t *testing.T) {
	f := bloom.NewFilter(100000000, 0, 0.01, wire.BloomUpdateNone)
	if len(f.MsgFilterLoad().Filter) > wire.MaxFilterLoadFilterSize {
		t.Errorf("TestFilterLarge test failed: %d > %d",
			len(f.MsgFilterLoad().Filter), wire.MaxFilterLoadFilterSize)
	}
}

// TestFilterLoad ensures loading and unloading of a filter pass.
func TestFilterLoad(t *testing.T) {
	// Test various filter configurations
	tests := []struct {
		name      string
		filter    *wire.MsgFilterLoad
		wantMatch bool
	}{
		{
			"normal filter",
			&wire.MsgFilterLoad{
				Filter:    []byte{0x00},
				HashFuncs: 1,
			},
			false,
		},
		{
			"empty filter with funcs",
			&wire.MsgFilterLoad{
				Filter:    []byte{},
				HashFuncs: 1,
			},
			false,
		},
		{
			"minimal filter",
			&wire.MsgFilterLoad{},
			false,
		},
	}

	for _, test := range tests {
		f := bloom.LoadFilter(test.filter)
		if !f.IsLoaded() {
			t.Errorf("%s: IsLoaded test failed: "+
				"want true got false", test.name)
			continue
		}

		if f.Matches([]byte("test")) != test.wantMatch {
			t.Errorf("%s: unexpected match result", test.name)
		}

		f.Unload()
		if f.IsLoaded() {
			t.Errorf("%s: IsLoaded after Unload failed: "+
				"want false got true", test.name)
		}
	}
}

// TestFilterInsert ensures inserting data into the filter causes that data
// to be matched and the resulting serialized MsgFilterLoad is the expected
// value.
func TestFilterInsert(t *testing.T) {
	var tests = []struct {
		hex    string
		insert bool
	}{
		{"99108ad8ed9bb6274d3980bab5a85c048f0950c8", true},
		{"19108ad8ed9bb6274d3980bab5a85c048f0950c8", false},
		{"b5a2c786d9ef4658287ced5914b37a1b4aa32eee", true},
		{"b9300670b4c5366e95b2699e8b18bc75e5f729c5", true},
	}

	f := bloom.NewFilter(3, 0, 0.01, wire.BloomUpdateAll)

	for i, test := range tests {
		data, err := hex.DecodeString(test.hex)
		if err != nil {
			t.Errorf("TestFilterInsert DecodeString failed: %v\n", err)
			return
		}
		if test.insert {
			f.Add(data)
		}

		result := f.Matches(data)
		if test.insert != result {
			t.Errorf("TestFilterInsert Matches test #%d failure: got %v want %v\n",
				i, result, test.insert)
			return
		}
	}

	want, err := hex.DecodeString("03614e9b050000000000000001")
	if err != nil {
		t.Errorf("TestFilterInsert DecodeString failed: %v\n", err)
		return
	}

	got := bytes.NewBuffer(nil)
	err = f.MsgFilterLoad().BtcEncode(got, wire.ProtocolVersion, wire.LatestEncoding)
	if err != nil {
		t.Errorf("TestFilterInsert BtcDecode failed: %v\n", err)
		return
	}

	if !bytes.Equal(got.Bytes(), want) {
		t.Errorf("TestFilterInsert failure: got %v want %v\n",
			got.Bytes(), want)
		return
	}
}

// TestFilterFPRange checks that new filters made with out of range
// false positive targets result in either max or min false positive rates.
func TestFilterFPRange(t *testing.T) {
	tests := []struct {
		name   string
		hash   string
		want   string
		filter *bloom.Filter
	}{
		{
			name:   "fprates > 1 should be clipped at 1",
			hash:   "02981fa052f0481dbc5868f4fc2166035a10f27a03cfd2de67326471df5bc041",
			want:   "00000000000000000001",
			filter: bloom.NewFilter(1, 0, 20.9999999769, wire.BloomUpdateAll),
		},
		{
			name:   "fprates less than 1e-9 should be clipped at min",
			hash:   "02981fa052f0481dbc5868f4fc2166035a10f27a03cfd2de67326471df5bc041",
			want:   "0566d97a91a91b0000000000000001",
			filter: bloom.NewFilter(1, 0, 0, wire.BloomUpdateAll),
		},
		{
			name:   "negative fprates should be clipped at min",
			hash:   "02981fa052f0481dbc5868f4fc2166035a10f27a03cfd2de67326471df5bc041",
			want:   "0566d97a91a91b0000000000000001",
			filter: bloom.NewFilter(1, 0, -1, wire.BloomUpdateAll),
		},
	}

	for _, test := range tests {
		// Convert test input to appropriate types.
		hash, err := chainhash.NewHashFromStr(test.hash)
		if err != nil {
			t.Errorf("NewHashFromStr unexpected error: %v", err)
			continue
		}
		want, err := hex.DecodeString(test.want)
		if err != nil {
			t.Errorf("DecodeString unexpected error: %v\n", err)
			continue
		}

		// Add the test hash to the bloom filter and ensure the
		// filter serializes to the expected bytes.
		f := test.filter
		f.AddHash(hash)
		got := bytes.NewBuffer(nil)
		err = f.MsgFilterLoad().BtcEncode(got, wire.ProtocolVersion, wire.LatestEncoding)
		if err != nil {
			t.Errorf("BtcDecode unexpected error: %v\n", err)
			continue
		}
		if !bytes.Equal(got.Bytes(), want) {
			t.Errorf("serialized filter mismatch: got %x want %x\n",
				got.Bytes(), want)
			continue
		}
	}
}

// TestFilterInsert ensures inserting data into the filter with a tweak causes
// that data to be matched and the resulting serialized MsgFilterLoad is the
// expected value.
func TestFilterInsertWithTweak(t *testing.T) {
	var tests = []struct {
		hex    string
		insert bool
	}{
		{"99108ad8ed9bb6274d3980bab5a85c048f0950c8", true},
		{"19108ad8ed9bb6274d3980bab5a85c048f0950c8", false},
		{"b5a2c786d9ef4658287ced5914b37a1b4aa32eee", true},
		{"b9300670b4c5366e95b2699e8b18bc75e5f729c5", true},
	}

	f := bloom.NewFilter(3, 2147483649, 0.01, wire.BloomUpdateAll)

	for i, test := range tests {
		data, err := hex.DecodeString(test.hex)
		if err != nil {
			t.Errorf("TestFilterInsertWithTweak DecodeString failed: %v\n", err)
			return
		}
		if test.insert {
			f.Add(data)
		}

		result := f.Matches(data)
		if test.insert != result {
			t.Errorf("TestFilterInsertWithTweak Matches test #%d failure: got %v want %v\n",
				i, result, test.insert)
			return
		}
	}

	want, err := hex.DecodeString("03ce4299050000000100008001")
	if err != nil {
		t.Errorf("TestFilterInsertWithTweak DecodeString failed: %v\n", err)
		return
	}
	got := bytes.NewBuffer(nil)
	err = f.MsgFilterLoad().BtcEncode(got, wire.ProtocolVersion, wire.LatestEncoding)
	if err != nil {
		t.Errorf("TestFilterInsertWithTweak BtcDecode failed: %v\n", err)
		return
	}

	if !bytes.Equal(got.Bytes(), want) {
		t.Errorf("TestFilterInsertWithTweak failure: got %v want %v\n",
			got.Bytes(), want)
		return
	}
}

// TestFilterInsertKey ensures inserting public keys and addresses works as
// expected.
func TestFilterInsertKey(t *testing.T) {
	secret := "5Kg1gnAjaLfKiwhhPpGS3QfRg2m6awQvaj98JCZBZQ5SuS2F15C"

	wif, err := btcutil.DecodeWIF(secret)
	if err != nil {
		t.Errorf("TestFilterInsertKey DecodeWIF failed: %v", err)
		return
	}

	f := bloom.NewFilter(2, 0, 0.001, wire.BloomUpdateAll)
	f.Add(wif.SerializePubKey())
	f.Add(btcutil.Hash160(wif.SerializePubKey()))

	want, err := hex.DecodeString("038fc16b080000000000000001")
	if err != nil {
		t.Errorf("TestFilterInsertWithTweak DecodeString failed: %v\n", err)
		return
	}
	got := bytes.NewBuffer(nil)
	err = f.MsgFilterLoad().BtcEncode(got, wire.ProtocolVersion, wire.LatestEncoding)
	if err != nil {
		t.Errorf("TestFilterInsertWithTweak BtcDecode failed: %v\n", err)
		return
	}

	if !bytes.Equal(got.Bytes(), want) {
		t.Errorf("TestFilterInsertWithTweak failure: got %v want %v\n",
			got.Bytes(), want)
		return
	}
}

func TestFilterBloomMatch(t *testing.T) {
	str := "01000000010b26e9b7735eb6aabdf358bab62f9816a21ba9ebdb719d5299e" +
		"88607d722c190000000008b4830450220070aca44506c5cef3a16ed519d7" +
		"c3c39f8aab192c4e1c90d065f37b8a4af6141022100a8e160b856c2d43d2" +
		"7d8fba71e5aef6405b8643ac4cb7cb3c462aced7f14711a0141046d11fee" +
		"51b0e60666d5049a9101a72741df480b96ee26488a4d3466b95c9a40ac5e" +
		"eef87e10a5cd336c19a84565f80fa6c547957b7700ff4dfbdefe76036c33" +
		"9ffffffff021bff3d11000000001976a91404943fdd508053c75000106d3" +
		"bc6e2754dbcff1988ac2f15de00000000001976a914a266436d296554760" +
		"8b9e15d9032a7b9d64fa43188ac00000000"
	strBytes, err := hex.DecodeString(str)
	if err != nil {
		t.Errorf("TestFilterBloomMatch DecodeString failure: %v", err)
		return
	}
	tx, err := btcutil.NewTxFromBytes(strBytes)
	if err != nil {
		t.Errorf("TestFilterBloomMatch NewTxFromBytes failure: %v", err)
		return
	}
	spendingTxBytes := []byte{0x01, 0x00, 0x00, 0x00, 0x01, 0x6b, 0xff, 0x7f,
		0xcd, 0x4f, 0x85, 0x65, 0xef, 0x40, 0x6d, 0xd5, 0xd6,
		0x3d, 0x4f, 0xf9, 0x4f, 0x31, 0x8f, 0xe8, 0x20, 0x27,
		0xfd, 0x4d, 0xc4, 0x51, 0xb0, 0x44, 0x74, 0x01, 0x9f,
		0x74, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x8c, 0x49, 0x30,
		0x46, 0x02, 0x21, 0x00, 0xda, 0x0d, 0xc6, 0xae, 0xce,
		0xfe, 0x1e, 0x06, 0xef, 0xdf, 0x05, 0x77, 0x37, 0x57,
		0xde, 0xb1, 0x68, 0x82, 0x09, 0x30, 0xe3, 0xb0, 0xd0,
		0x3f, 0x46, 0xf5, 0xfc, 0xf1, 0x50, 0xbf, 0x99, 0x0c,
		0x02, 0x21, 0x00, 0xd2, 0x5b, 0x5c, 0x87, 0x04, 0x00,
		0x76, 0xe4, 0xf2, 0x53, 0xf8, 0x26, 0x2e, 0x76, 0x3e,
		0x2d, 0xd5, 0x1e, 0x7f, 0xf0, 0xbe, 0x15, 0x77, 0x27,
		0xc4, 0xbc, 0x42, 0x80, 0x7f, 0x17, 0xbd, 0x39, 0x01,
		0x41, 0x04, 0xe6, 0xc2, 0x6e, 0xf6, 0x7d, 0xc6, 0x10,
		0xd2, 0xcd, 0x19, 0x24, 0x84, 0x78, 0x9a, 0x6c, 0xf9,
		0xae, 0xa9, 0x93, 0x0b, 0x94, 0x4b, 0x7e, 0x2d, 0xb5,
		0x34, 0x2b, 0x9d, 0x9e, 0x5b, 0x9f, 0xf7, 0x9a, 0xff,
		0x9a, 0x2e, 0xe1, 0x97, 0x8d, 0xd7, 0xfd, 0x01, 0xdf,
		0xc5, 0x22, 0xee, 0x02, 0x28, 0x3d, 0x3b, 0x06, 0xa9,
		0xd0, 0x3a, 0xcf, 0x80, 0x96, 0x96, 0x8d, 0x7d, 0xbb,
		0x0f, 0x91, 0x78, 0xff, 0xff, 0xff, 0xff, 0x02, 0x8b,
		0xa7, 0x94, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76,
		0xa9, 0x14, 0xba, 0xde, 0xec, 0xfd, 0xef, 0x05, 0x07,
		0x24, 0x7f, 0xc8, 0xf7, 0x42, 0x41, 0xd7, 0x3b, 0xc0,
		0x39, 0x97, 0x2d, 0x7b, 0x88, 0xac, 0x40, 0x94, 0xa8,
		0x02, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76, 0xa9, 0x14,
		0xc1, 0x09, 0x32, 0x48, 0x3f, 0xec, 0x93, 0xed, 0x51,
		0xf5, 0xfe, 0x95, 0xe7, 0x25, 0x59, 0xf2, 0xcc, 0x70,
		0x43, 0xf9, 0x88, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00}

	spendingTx, err := btcutil.NewTxFromBytes(spendingTxBytes)
	if err != nil {
		t.Errorf("TestFilterBloomMatch NewTxFromBytes failure: %v", err)
		return
	}

	f := bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr := "b4749f017444b051c44dfd2720e88f314ff94f3dd6d56d40ef65854fcd7fff6b"
	hash, err := chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch NewHashFromStr failed: %v\n", err)
		return
	}
	f.AddHash(hash)
	if !f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch didn't match hash %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "6bff7fcd4f8565ef406dd5d63d4ff94f318fe82027fd4dc451b04474019f74b4"
	hashBytes, err := hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch DecodeString failed: %v\n", err)
		return
	}
	f.Add(hashBytes)
	if !f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch didn't match hash %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "30450220070aca44506c5cef3a16ed519d7c3c39f8aab192c4e1c90d065" +
		"f37b8a4af6141022100a8e160b856c2d43d27d8fba71e5aef6405b8643" +
		"ac4cb7cb3c462aced7f14711a01"
	hashBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch DecodeString failed: %v\n", err)
		return
	}
	f.Add(hashBytes)
	if !f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch didn't match input signature %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "046d11fee51b0e60666d5049a9101a72741df480b96ee26488a4d3466b95" +
		"c9a40ac5eeef87e10a5cd336c19a84565f80fa6c547957b7700ff4dfbdefe" +
		"76036c339"
	hashBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch DecodeString failed: %v\n", err)
		return
	}
	f.Add(hashBytes)
	if !f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch didn't match input pubkey %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "04943fdd508053c75000106d3bc6e2754dbcff19"
	hashBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch DecodeString failed: %v\n", err)
		return
	}
	f.Add(hashBytes)
	if !f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch didn't match output address %s", inputStr)
	}
	if !f.MatchTxAndUpdate(spendingTx) {
		t.Errorf("TestFilterBloomMatch spendingTx didn't match output address %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "a266436d2965547608b9e15d9032a7b9d64fa431"
	hashBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch DecodeString failed: %v\n", err)
		return
	}
	f.Add(hashBytes)
	if !f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch didn't match output address %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "90c122d70786e899529d71dbeba91ba216982fb6ba58f3bdaab65e73b7e9260b"
	hash, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch NewHashFromStr failed: %v\n", err)
		return
	}
	outpoint := wire.NewOutPoint(hash, 0)
	f.AddOutPoint(outpoint)
	if !f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch didn't match outpoint %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "00000009e784f32f62ef849763d4f45b98e07ba658647343b915ff832b110436"
	hash, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch NewHashFromStr failed: %v\n", err)
		return
	}
	f.AddHash(hash)
	if f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch matched hash %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "0000006d2965547608b9e15d9032a7b9d64fa431"
	hashBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch DecodeString failed: %v\n", err)
		return
	}
	f.Add(hashBytes)
	if f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch matched address %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "90c122d70786e899529d71dbeba91ba216982fb6ba58f3bdaab65e73b7e9260b"
	hash, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch NewHashFromStr failed: %v\n", err)
		return
	}
	outpoint = wire.NewOutPoint(hash, 1)
	f.AddOutPoint(outpoint)
	if f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch matched outpoint %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "000000d70786e899529d71dbeba91ba216982fb6ba58f3bdaab65e73b7e9260b"
	hash, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch NewHashFromStr failed: %v\n", err)
		return
	}
	outpoint = wire.NewOutPoint(hash, 0)
	f.AddOutPoint(outpoint)
	if f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch matched outpoint %s", inputStr)
	}
}

func TestFilterInsertUpdateNone(t *testing.T) {
	f := bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateNone)

	// Add the generation pubkey
	inputStr := "04eaafc2314def4ca98ac970241bcab022b9c1e1f4ea423a20f134c" +
		"876f2c01ec0f0dd5b2e86e7168cefe0d81113c3807420ce13ad1357231a" +
		"2252247d97a46a91"
	inputBytes, err := hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone DecodeString failed: %v", err)
		return
	}
	f.Add(inputBytes)

	// Add the output address for the 4th transaction
	inputStr = "b6efd80d99179f4f4ff6f4dd0a007d018c385d21"
	inputBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone DecodeString failed: %v", err)
		return
	}
	f.Add(inputBytes)

	inputStr = "147caa76786596590baa4e98f5d9f48b86c7765e489f7a6ff3360fe5c674360b"
	hash, err := chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone NewHashFromStr failed: %v", err)
		return
	}
	outpoint := wire.NewOutPoint(hash, 0)

	if f.MatchesOutPoint(outpoint) {
		t.Errorf("TestFilterInsertUpdateNone matched outpoint %s", inputStr)
		return
	}

	inputStr = "02981fa052f0481dbc5868f4fc2166035a10f27a03cfd2de67326471df5bc041"
	hash, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone NewHashFromStr failed: %v", err)
		return
	}
	outpoint = wire.NewOutPoint(hash, 0)

	if f.MatchesOutPoint(outpoint) {
		t.Errorf("TestFilterInsertUpdateNone matched outpoint %s", inputStr)
		return
	}
}

func TestFilterInsertP2PubKeyOnly(t *testing.T) {
	blockStr := "0100000082bb869cf3a793432a66e826e05a6fc37469f8efb7421dc" +
		"880670100000000007f16c5962e8bd963659c793ce370d95f093bc7e367" +
		"117b3c30c1f8fdd0d9728776381b4d4c86041b554b85290701000000010" +
		"00000000000000000000000000000000000000000000000000000000000" +
		"0000ffffffff07044c86041b0136ffffffff0100f2052a0100000043410" +
		"4eaafc2314def4ca98ac970241bcab022b9c1e1f4ea423a20f134c876f2" +
		"c01ec0f0dd5b2e86e7168cefe0d81113c3807420ce13ad1357231a22522" +
		"47d97a46a91ac000000000100000001bcad20a6a29827d1424f08989255" +
		"120bf7f3e9e3cdaaa6bb31b0737fe048724300000000494830450220356" +
		"e834b046cadc0f8ebb5a8a017b02de59c86305403dad52cd77b55af062e" +
		"a10221009253cd6c119d4729b77c978e1e2aa19f5ea6e0e52b3f16e32fa" +
		"608cd5bab753901ffffffff02008d380c010000001976a9142b4b8072ec" +
		"bba129b6453c63e129e643207249ca88ac0065cd1d000000001976a9141" +
		"b8dd13b994bcfc787b32aeadf58ccb3615cbd5488ac0000000001000000" +
		"03fdacf9b3eb077412e7a968d2e4f11b9a9dee312d666187ed77ee7d26a" +
		"f16cb0b000000008c493046022100ea1608e70911ca0de5af51ba57ad23" +
		"b9a51db8d28f82c53563c56a05c20f5a87022100a8bdc8b4a8acc8634c6" +
		"b420410150775eb7f2474f5615f7fccd65af30f310fbf01410465fdf49e" +
		"29b06b9a1582287b6279014f834edc317695d125ef623c1cc3aaece245b" +
		"d69fcad7508666e9c74a49dc9056d5fc14338ef38118dc4afae5fe2c585" +
		"caffffffff309e1913634ecb50f3c4f83e96e70b2df071b497b8973a3e7" +
		"5429df397b5af83000000004948304502202bdb79c596a9ffc24e96f438" +
		"6199aba386e9bc7b6071516e2b51dda942b3a1ed022100c53a857e76b72" +
		"4fc14d45311eac5019650d415c3abb5428f3aae16d8e69bec2301ffffff" +
		"ff2089e33491695080c9edc18a428f7d834db5b6d372df13ce2b1b0e0cb" +
		"cb1e6c10000000049483045022100d4ce67c5896ee251c810ac1ff9cecc" +
		"d328b497c8f553ab6e08431e7d40bad6b5022033119c0c2b7d792d31f11" +
		"87779c7bd95aefd93d90a715586d73801d9b47471c601ffffffff010071" +
		"4460030000001976a914c7b55141d097ea5df7a0ed330cf794376e53ec8" +
		"d88ac0000000001000000045bf0e214aa4069a3e792ecee1e1bf0c1d397" +
		"cde8dd08138f4b72a00681743447000000008b48304502200c45de8c4f3" +
		"e2c1821f2fc878cba97b1e6f8807d94930713aa1c86a67b9bf1e4022100" +
		"8581abfef2e30f957815fc89978423746b2086375ca8ecf359c85c2a5b7" +
		"c88ad01410462bb73f76ca0994fcb8b4271e6fb7561f5c0f9ca0cf64852" +
		"61c4a0dc894f4ab844c6cdfb97cd0b60ffb5018ffd6238f4d87270efb1d" +
		"3ae37079b794a92d7ec95ffffffffd669f7d7958d40fc59d2253d88e0f2" +
		"48e29b599c80bbcec344a83dda5f9aa72c000000008a473044022078124" +
		"c8beeaa825f9e0b30bff96e564dd859432f2d0cb3b72d3d5d93d38d7e93" +
		"0220691d233b6c0f995be5acb03d70a7f7a65b6bc9bdd426260f38a1346" +
		"669507a3601410462bb73f76ca0994fcb8b4271e6fb7561f5c0f9ca0cf6" +
		"485261c4a0dc894f4ab844c6cdfb97cd0b60ffb5018ffd6238f4d87270e" +
		"fb1d3ae37079b794a92d7ec95fffffffff878af0d93f5229a68166cf051" +
		"fd372bb7a537232946e0a46f53636b4dafdaa4000000008c49304602210" +
		"0c717d1714551663f69c3c5759bdbb3a0fcd3fab023abc0e522fe6440de" +
		"35d8290221008d9cbe25bffc44af2b18e81c58eb37293fd7fe1c2e7b46f" +
		"c37ee8c96c50ab1e201410462bb73f76ca0994fcb8b4271e6fb7561f5c0" +
		"f9ca0cf6485261c4a0dc894f4ab844c6cdfb97cd0b60ffb5018ffd6238f" +
		"4d87270efb1d3ae37079b794a92d7ec95ffffffff27f2b668859cd7f2f8" +
		"94aa0fd2d9e60963bcd07c88973f425f999b8cbfd7a1e2000000008c493" +
		"046022100e00847147cbf517bcc2f502f3ddc6d284358d102ed20d47a8a" +
		"a788a62f0db780022100d17b2d6fa84dcaf1c95d88d7e7c30385aecf415" +
		"588d749afd3ec81f6022cecd701410462bb73f76ca0994fcb8b4271e6fb" +
		"7561f5c0f9ca0cf6485261c4a0dc894f4ab844c6cdfb97cd0b60ffb5018" +
		"ffd6238f4d87270efb1d3ae37079b794a92d7ec95ffffffff0100c817a8" +
		"040000001976a914b6efd80d99179f4f4ff6f4dd0a007d018c385d2188a" +
		"c000000000100000001834537b2f1ce8ef9373a258e10545ce5a50b758d" +
		"f616cd4356e0032554ebd3c4000000008b483045022100e68f422dd7c34" +
		"fdce11eeb4509ddae38201773dd62f284e8aa9d96f85099d0b002202243" +
		"bd399ff96b649a0fad05fa759d6a882f0af8c90cf7632c2840c29070aec" +
		"20141045e58067e815c2f464c6a2a15f987758374203895710c2d452442" +
		"e28496ff38ba8f5fd901dc20e29e88477167fe4fc299bf818fd0d9e1632" +
		"d467b2a3d9503b1aaffffffff0280d7e636030000001976a914f34c3e10" +
		"eb387efe872acb614c89e78bfca7815d88ac404b4c00000000001976a91" +
		"4a84e272933aaf87e1715d7786c51dfaeb5b65a6f88ac00000000010000" +
		"000143ac81c8e6f6ef307dfe17f3d906d999e23e0189fda838c5510d850" +
		"927e03ae7000000008c4930460221009c87c344760a64cb8ae6685a3eec" +
		"2c1ac1bed5b88c87de51acd0e124f266c16602210082d07c037359c3a25" +
		"7b5c63ebd90f5a5edf97b2ac1c434b08ca998839f346dd40141040ba7e5" +
		"21fa7946d12edbb1d1e95a15c34bd4398195e86433c92b431cd315f455f" +
		"e30032ede69cad9d1e1ed6c3c4ec0dbfced53438c625462afb792dcb098" +
		"544bffffffff0240420f00000000001976a9144676d1b820d63ec272f19" +
		"00d59d43bc6463d96f888ac40420f00000000001976a914648d04341d00" +
		"d7968b3405c034adc38d4d8fb9bd88ac00000000010000000248cc91750" +
		"1ea5c55f4a8d2009c0567c40cfe037c2e71af017d0a452ff705e3f10000" +
		"00008b483045022100bf5fdc86dc5f08a5d5c8e43a8c9d5b1ed8c65562e" +
		"280007b52b133021acd9acc02205e325d613e555f772802bf413d36ba80" +
		"7892ed1a690a77811d3033b3de226e0a01410429fa713b124484cb2bd7b" +
		"5557b2c0b9df7b2b1fee61825eadc5ae6c37a9920d38bfccdc7dc3cb0c4" +
		"7d7b173dbc9db8d37db0a33ae487982c59c6f8606e9d1791ffffffff41e" +
		"d70551dd7e841883ab8f0b16bf04176b7d1480e4f0af9f3d4c3595768d0" +
		"68000000008b4830450221008513ad65187b903aed1102d1d0c47688127" +
		"658c51106753fed0151ce9c16b80902201432b9ebcb87bd04ceb2de6603" +
		"5fbbaf4bf8b00d1cfe41f1a1f7338f9ad79d210141049d4cf80125bf50b" +
		"e1709f718c07ad15d0fc612b7da1f5570dddc35f2a352f0f27c978b0682" +
		"0edca9ef982c35fda2d255afba340068c5035552368bc7200c1488fffff" +
		"fff0100093d00000000001976a9148edb68822f1ad580b043c7b3df2e40" +
		"0f8699eb4888ac00000000"
	blockBytes, err := hex.DecodeString(blockStr)
	if err != nil {
		t.Errorf("TestFilterInsertP2PubKeyOnly DecodeString failed: %v", err)
		return
	}
	block, err := btcutil.NewBlockFromBytes(blockBytes)
	if err != nil {
		t.Errorf("TestFilterInsertP2PubKeyOnly NewBlockFromBytes failed: %v", err)
		return
	}

	f := bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateP2PubkeyOnly)

	// Generation pubkey
	inputStr := "04eaafc2314def4ca98ac970241bcab022b9c1e1f4ea423a20f134c" +
		"876f2c01ec0f0dd5b2e86e7168cefe0d81113c3807420ce13ad1357231a" +
		"2252247d97a46a91"
	inputBytes, err := hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertP2PubKeyOnly DecodeString failed: %v", err)
		return
	}
	f.Add(inputBytes)

	// Output address of 4th transaction
	inputStr = "b6efd80d99179f4f4ff6f4dd0a007d018c385d21"
	inputBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertP2PubKeyOnly DecodeString failed: %v", err)
		return
	}
	f.Add(inputBytes)

	// Ignore return value -- this is just used to update the filter.
	_, _ = bloom.NewMerkleBlock(block, f)

	// We should match the generation pubkey
	inputStr = "147caa76786596590baa4e98f5d9f48b86c7765e489f7a6ff3360fe5c674360b"
	hash, err := chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestMerkleBlockP2PubKeyOnly NewHashFromStr failed: %v", err)
		return
	}
	outpoint := wire.NewOutPoint(hash, 0)
	if !f.MatchesOutPoint(outpoint) {
		t.Errorf("TestMerkleBlockP2PubKeyOnly didn't match the generation "+
			"outpoint %s", inputStr)
		return
	}

	// We should not match the 4th transaction, which is not p2pk
	inputStr = "02981fa052f0481dbc5868f4fc2166035a10f27a03cfd2de67326471df5bc041"
	hash, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestMerkleBlockP2PubKeyOnly NewHashFromStr failed: %v", err)
		return
	}
	outpoint = wire.NewOutPoint(hash, 0)
	if f.MatchesOutPoint(outpoint) {
		t.Errorf("TestMerkleBlockP2PubKeyOnly matched outpoint %s", inputStr)
		return
	}
}

func TestFilterReload(t *testing.T) {
	f := bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)

	bFilter := bloom.LoadFilter(f.MsgFilterLoad())
	if bFilter.MsgFilterLoad() == nil {
		t.Errorf("TestFilterReload LoadFilter test failed")
		return
	}

	reloadTests := []struct {
		name   string
		filter *wire.MsgFilterLoad
	}{
		{
			name:   "nil filter",
			filter: nil,
		},
		{
			name: "empty filter",
			filter: &wire.MsgFilterLoad{
				Filter:    []byte{},
				HashFuncs: 3,
			},
		},
		{
			name: "normal filter",
			filter: &wire.MsgFilterLoad{
				Filter:    []byte{0x00},
				HashFuncs: 1,
			},
		},
	}

	for _, test := range reloadTests {
		bFilter.Reload(test.filter)
		if test.filter == nil {
			if bFilter.MsgFilterLoad() != nil {
				t.Errorf("%s: Reload test failed - "+
					"expected nil", test.name)
			}
		} else {
			bFilter.Add([]byte("test data"))
			if bFilter.Matches([]byte("test data")) &&
				len(test.filter.Filter) == 0 {

				t.Errorf("%s: empty filter should "+
					"not match", test.name)
			}
		}
	}
}
