kaspad/util/coinset/coins_test.go
Svarog ca0619bbcf [NOD-176] Moved daghash from dagconfig to util (#298)
* [NOD-176] Moved daghash from dagconfig to util

* [NOD-176] Fixed order of includes with gofmt
2019-05-14 14:05:36 +03:00

276 lines
11 KiB
Go

// 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 coinset_test
import (
"bytes"
"crypto/sha256"
"encoding/hex"
"fmt"
"testing"
"github.com/daglabs/btcd/util"
"github.com/daglabs/btcd/util/coinset"
"github.com/daglabs/btcd/util/daghash"
"github.com/daglabs/btcd/wire"
)
type TestCoin struct {
TxHash *daghash.Hash
TxID *daghash.TxID
TxIndex uint32
TxValue util.Amount
TxNumConfs int64
}
func (c *TestCoin) Hash() *daghash.Hash { return c.TxHash }
func (c *TestCoin) ID() *daghash.TxID { return c.TxID }
func (c *TestCoin) Index() uint32 { return c.TxIndex }
func (c *TestCoin) Value() util.Amount { return c.TxValue }
func (c *TestCoin) PkScript() []byte { return nil }
func (c *TestCoin) NumConfs() int64 { return c.TxNumConfs }
func (c *TestCoin) ValueAge() int64 { return int64(c.TxValue) * c.TxNumConfs }
func NewCoin(index int64, value util.Amount, numConfs int64) coinset.Coin {
h := sha256.New()
h.Write([]byte(fmt.Sprintf("%d", index)))
hash, _ := daghash.NewHash(h.Sum(nil))
id, _ := daghash.NewTxID(h.Sum(nil))
c := &TestCoin{
TxHash: hash,
TxID: id,
TxIndex: 0,
TxValue: value,
TxNumConfs: numConfs,
}
return coinset.Coin(c)
}
type coinSelectTest struct {
selector coinset.CoinSelector
inputCoins []coinset.Coin
targetValue util.Amount
expectedCoins []coinset.Coin
expectedError error
}
func testCoinSelector(tests []coinSelectTest, t *testing.T) {
for testIndex, test := range tests {
cs, err := test.selector.CoinSelect(test.targetValue, test.inputCoins)
if err != test.expectedError {
t.Errorf("[%d] expected a different error: got=%v, expected=%v", testIndex, err, test.expectedError)
continue
}
if test.expectedCoins != nil {
if cs == nil {
t.Errorf("[%d] expected non-nil coinset", testIndex)
continue
}
coins := cs.Coins()
if len(coins) != len(test.expectedCoins) {
t.Errorf("[%d] expected different number of coins: got=%d, expected=%d", testIndex, len(coins), len(test.expectedCoins))
continue
}
for n := 0; n < len(test.expectedCoins); n++ {
if coins[n] != test.expectedCoins[n] {
t.Errorf("[%d] expected different coins at coin index %d: got=%#v, expected=%#v", testIndex, n, coins[n], test.expectedCoins[n])
continue
}
}
coinSet := coinset.NewCoinSet(coins)
if coinSet.TotalValue() < test.targetValue {
t.Errorf("[%d] targetValue not satistifed", testIndex)
continue
}
}
}
}
var coins = []coinset.Coin{
NewCoin(1, 100000000, 1),
NewCoin(2, 10000000, 20),
NewCoin(3, 50000000, 0),
NewCoin(4, 25000000, 6),
}
func TestCoinSet(t *testing.T) {
cs := coinset.NewCoinSet(nil)
if cs.PopCoin() != nil {
t.Error("Expected popCoin of empty to be nil")
}
if cs.ShiftCoin() != nil {
t.Error("Expected shiftCoin of empty to be nil")
}
cs.PushCoin(coins[0])
cs.PushCoin(coins[1])
cs.PushCoin(coins[2])
if cs.PopCoin() != coins[2] {
t.Error("Expected third coin")
}
if cs.ShiftCoin() != coins[0] {
t.Error("Expected first coin")
}
mtx := coinset.NewMsgTxWithInputCoins(wire.TxVersion, cs)
if len(mtx.TxIn) != 1 {
t.Errorf("Expected only 1 TxIn, got %d", len(mtx.TxIn))
}
op := mtx.TxIn[0].PreviousOutPoint
if !op.TxID.IsEqual(coins[1].ID()) || op.Index != coins[1].Index() {
t.Errorf("Expected the second coin to be added as input to mtx")
}
}
var minIndexSelectors = []coinset.MinIndexCoinSelector{
{MaxInputs: 10, MinChangeAmount: 10000},
{MaxInputs: 2, MinChangeAmount: 10000},
}
var minIndexTests = []coinSelectTest{
{minIndexSelectors[0], coins, coins[0].Value() - minIndexSelectors[0].MinChangeAmount, []coinset.Coin{coins[0]}, nil},
{minIndexSelectors[0], coins, coins[0].Value() - minIndexSelectors[0].MinChangeAmount + 1, []coinset.Coin{coins[0], coins[1]}, nil},
{minIndexSelectors[0], coins, 100000000, []coinset.Coin{coins[0]}, nil},
{minIndexSelectors[0], coins, 110000000, []coinset.Coin{coins[0], coins[1]}, nil},
{minIndexSelectors[0], coins, 140000000, []coinset.Coin{coins[0], coins[1], coins[2]}, nil},
{minIndexSelectors[0], coins, 200000000, nil, coinset.ErrCoinsNoSelectionAvailable},
{minIndexSelectors[1], coins, 10000000, []coinset.Coin{coins[0]}, nil},
{minIndexSelectors[1], coins, 110000000, []coinset.Coin{coins[0], coins[1]}, nil},
{minIndexSelectors[1], coins, 140000000, nil, coinset.ErrCoinsNoSelectionAvailable},
}
func TestMinIndexSelector(t *testing.T) {
testCoinSelector(minIndexTests, t)
}
var minNumberSelectors = []coinset.MinNumberCoinSelector{
{MaxInputs: 10, MinChangeAmount: 10000},
{MaxInputs: 2, MinChangeAmount: 10000},
}
var minNumberTests = []coinSelectTest{
{minNumberSelectors[0], coins, coins[0].Value() - minNumberSelectors[0].MinChangeAmount, []coinset.Coin{coins[0]}, nil},
{minNumberSelectors[0], coins, coins[0].Value() - minNumberSelectors[0].MinChangeAmount + 1, []coinset.Coin{coins[0], coins[2]}, nil},
{minNumberSelectors[0], coins, 100000000, []coinset.Coin{coins[0]}, nil},
{minNumberSelectors[0], coins, 110000000, []coinset.Coin{coins[0], coins[2]}, nil},
{minNumberSelectors[0], coins, 160000000, []coinset.Coin{coins[0], coins[2], coins[3]}, nil},
{minNumberSelectors[0], coins, 184990000, []coinset.Coin{coins[0], coins[2], coins[3], coins[1]}, nil},
{minNumberSelectors[0], coins, 184990001, nil, coinset.ErrCoinsNoSelectionAvailable},
{minNumberSelectors[0], coins, 200000000, nil, coinset.ErrCoinsNoSelectionAvailable},
{minNumberSelectors[1], coins, 10000000, []coinset.Coin{coins[0]}, nil},
{minNumberSelectors[1], coins, 110000000, []coinset.Coin{coins[0], coins[2]}, nil},
{minNumberSelectors[1], coins, 140000000, []coinset.Coin{coins[0], coins[2]}, nil},
}
func TestMinNumberSelector(t *testing.T) {
testCoinSelector(minNumberTests, t)
}
var maxValueAgeSelectors = []coinset.MaxValueAgeCoinSelector{
{MaxInputs: 10, MinChangeAmount: 10000},
{MaxInputs: 2, MinChangeAmount: 10000},
}
var maxValueAgeTests = []coinSelectTest{
{maxValueAgeSelectors[0], coins, 100000, []coinset.Coin{coins[1]}, nil},
{maxValueAgeSelectors[0], coins, 10000000, []coinset.Coin{coins[1]}, nil},
{maxValueAgeSelectors[0], coins, 10000001, []coinset.Coin{coins[1], coins[3]}, nil},
{maxValueAgeSelectors[0], coins, 35000000, []coinset.Coin{coins[1], coins[3]}, nil},
{maxValueAgeSelectors[0], coins, 135000000, []coinset.Coin{coins[1], coins[3], coins[0]}, nil},
{maxValueAgeSelectors[0], coins, 185000000, []coinset.Coin{coins[1], coins[3], coins[0], coins[2]}, nil},
{maxValueAgeSelectors[0], coins, 200000000, nil, coinset.ErrCoinsNoSelectionAvailable},
{maxValueAgeSelectors[1], coins, 40000000, nil, coinset.ErrCoinsNoSelectionAvailable},
{maxValueAgeSelectors[1], coins, 35000000, []coinset.Coin{coins[1], coins[3]}, nil},
{maxValueAgeSelectors[1], coins, 34990001, nil, coinset.ErrCoinsNoSelectionAvailable},
}
func TestMaxValueAgeSelector(t *testing.T) {
testCoinSelector(maxValueAgeTests, t)
}
var minPrioritySelectors = []coinset.MinPriorityCoinSelector{
{MaxInputs: 10, MinChangeAmount: 10000, MinAvgValueAgePerInput: 100000000},
{MaxInputs: 02, MinChangeAmount: 10000, MinAvgValueAgePerInput: 200000000},
{MaxInputs: 02, MinChangeAmount: 10000, MinAvgValueAgePerInput: 150000000},
{MaxInputs: 03, MinChangeAmount: 10000, MinAvgValueAgePerInput: 150000000},
{MaxInputs: 10, MinChangeAmount: 10000, MinAvgValueAgePerInput: 1000000000},
{MaxInputs: 10, MinChangeAmount: 10000, MinAvgValueAgePerInput: 175000000},
{MaxInputs: 02, MinChangeAmount: 10000, MinAvgValueAgePerInput: 125000000},
}
var connectedCoins = []coinset.Coin{coins[0], coins[1], coins[3]}
var minPriorityTests = []coinSelectTest{
{minPrioritySelectors[0], connectedCoins, 100000000, []coinset.Coin{coins[0]}, nil},
{minPrioritySelectors[0], connectedCoins, 125000000, []coinset.Coin{coins[0], coins[3]}, nil},
{minPrioritySelectors[0], connectedCoins, 135000000, []coinset.Coin{coins[0], coins[3], coins[1]}, nil},
{minPrioritySelectors[0], connectedCoins, 140000000, nil, coinset.ErrCoinsNoSelectionAvailable},
{minPrioritySelectors[1], connectedCoins, 100000000, nil, coinset.ErrCoinsNoSelectionAvailable},
{minPrioritySelectors[1], connectedCoins, 10000000, []coinset.Coin{coins[1]}, nil},
{minPrioritySelectors[1], connectedCoins, 100000000, nil, coinset.ErrCoinsNoSelectionAvailable},
{minPrioritySelectors[2], connectedCoins, 11000000, []coinset.Coin{coins[3]}, nil},
{minPrioritySelectors[2], connectedCoins, 25000001, []coinset.Coin{coins[3], coins[1]}, nil},
{minPrioritySelectors[3], connectedCoins, 25000001, []coinset.Coin{coins[3], coins[1], coins[0]}, nil},
{minPrioritySelectors[3], connectedCoins, 100000000, []coinset.Coin{coins[3], coins[1], coins[0]}, nil},
{minPrioritySelectors[3], []coinset.Coin{coins[1], coins[2]}, 10000000, []coinset.Coin{coins[1]}, nil},
{minPrioritySelectors[4], connectedCoins, 1, nil, coinset.ErrCoinsNoSelectionAvailable},
{minPrioritySelectors[5], connectedCoins, 20000000, []coinset.Coin{coins[1], coins[3]}, nil},
{minPrioritySelectors[6], connectedCoins, 25000000, []coinset.Coin{coins[3], coins[0]}, nil},
}
func TestMinPrioritySelector(t *testing.T) {
testCoinSelector(minPriorityTests, t)
}
var (
// should be two outpoints, with 1st one having 0.035BTC value.
testSimpleCoinNumConfs = int64(1)
testSimpleCoinTxHash = "c9e1a2b492e1d76872df50ddae62662f7d40f853b6d5aa85522ed915bbd96be7"
testSimpleCoinTxHex = "0100000001A214A110F79E4ABE073865EA5B3745C6E82C91" +
"3BAD44BE70652804A5E4003B0A010000008C493046022100" +
"EDD18A69664EFA57264BE207100C203E6CADE1888CBB88A0" +
"AD748548256BB2F0022100F1027DC2E6C7F248D78AF1DD90" +
"027B5B7D8EC563BB62AA85D4E74D6376F3868C0141048F37" +
"57B65ED301ABD1B0E8942D1AB5B50594D3314CFF0299F300" +
"C696376A0A9BF72E74710A8AF7A5372D4AF4BB519E2701A0" +
"94EF48C8E48E3B65B28502452DCEFFFFFFFFFFFFFFFF02E0" +
"673500000000001976A914686DD149A79B4A559D561FBC39" +
"6D3E3C6628B98D88ACE86EF102000000001976A914AC3F99" +
"5655E81B875B38B64351D6F896DDBFC68588AC0000000000" +
"000000000000000000000000000000000000000000000000"
testSimpleCoinTxValue0 = util.Amount(3500000)
testSimpleCoinTxValueAge0 = int64(testSimpleCoinTxValue0) * testSimpleCoinNumConfs
testSimpleCoinTxPkScript0Hex = "76a914686dd149a79b4a559d561fbc396d3e3c6628b98d88ac"
testSimpleCoinTxPkScript0Bytes, _ = hex.DecodeString(testSimpleCoinTxPkScript0Hex)
testSimpleCoinTxBytes, _ = hex.DecodeString(testSimpleCoinTxHex)
testSimpleCoinTx, _ = util.NewTxFromBytes(testSimpleCoinTxBytes)
testSimpleCoin = &coinset.SimpleCoin{
Tx: testSimpleCoinTx,
TxIndex: 0,
TxNumConfs: testSimpleCoinNumConfs,
}
)
func TestSimpleCoin(t *testing.T) {
if testSimpleCoin.Hash().String() != testSimpleCoinTxHash {
t.Errorf("Expected tx hash %v but got %v", testSimpleCoinTxHash, testSimpleCoin.Hash().String())
}
if testSimpleCoin.Index() != 0 {
t.Error("Different value for index of outpoint than expected")
}
if testSimpleCoin.Value() != testSimpleCoinTxValue0 {
t.Error("Different value of coin value than expected")
}
if !bytes.Equal(testSimpleCoin.PkScript(), testSimpleCoinTxPkScript0Bytes) {
t.Error("Different value of coin pkScript than expected")
}
if testSimpleCoin.NumConfs() != 1 {
t.Error("Differet value of num confs than expected")
}
if testSimpleCoin.ValueAge() != testSimpleCoinTxValueAge0 {
t.Error("Different value of coin value * age than expected")
}
}