--- /dev/null
+package match
+
+import (
+ "testing"
+
+ "github.com/vapor/protocol/vm"
+ "github.com/vapor/testutil"
+
+ "github.com/vapor/application/mov/common"
+ "github.com/vapor/application/mov/database"
+ "github.com/vapor/protocol/bc"
+ "github.com/vapor/protocol/bc/types"
+ "github.com/vapor/protocol/vm/vmutil"
+)
+
+var (
+ btc = bc.NewAssetID([32]byte{1})
+ eth = bc.NewAssetID([32]byte{2})
+
+ orders = []*common.Order{
+ // btc -> eth
+ {
+ FromAssetID: &btc,
+ ToAssetID: ð,
+ Rate: 50,
+ Utxo: &common.MovUtxo{
+ SourceID: hashPtr(testutil.MustDecodeHash("37b8edf656e45a7addf47f5626e114a8c394d918a36f61b5a2905675a09b40ae")),
+ SourcePos: 0,
+ Amount: 10,
+ ControlProgram: mustCreateP2WMCProgram(eth, testutil.MustDecodeHexString("51"), 50, 1),
+ },
+ },
+ {
+ FromAssetID: &btc,
+ ToAssetID: ð,
+ Rate: 53,
+ Utxo: &common.MovUtxo{
+ SourceID: hashPtr(testutil.MustDecodeHash("3ec2bbfb499a8736d377b547eee5392bcddf7ec2b287e9ed20b5938c3d84e7cd")),
+ SourcePos: 0,
+ Amount: 20,
+ ControlProgram: mustCreateP2WMCProgram(eth, testutil.MustDecodeHexString("52"), 53, 1),
+ },
+ },
+
+ // eth -> btc
+ {
+ FromAssetID: ð,
+ ToAssetID: &btc,
+ Rate: 1 / 51.0,
+ Utxo: &common.MovUtxo{
+ SourceID: hashPtr(testutil.MustDecodeHash("fba43ff5155209cb1769e2ec0e1d4a33accf899c740865edfc6d1de39b873b29")),
+ SourcePos: 0,
+ Amount: 510,
+ ControlProgram: mustCreateP2WMCProgram(btc, testutil.MustDecodeHexString("53"), 1, 51.0),
+ },
+ },
+ {
+ FromAssetID: ð,
+ ToAssetID: &btc,
+ Rate: 1 / 52.0,
+ Utxo: &common.MovUtxo{
+ SourceID: hashPtr(testutil.MustDecodeHash("05f24bb847db823075d81786aa270748e02602199cd009c0284f928503846a5a")),
+ SourcePos: 0,
+ Amount: 416,
+ ControlProgram: mustCreateP2WMCProgram(btc, testutil.MustDecodeHexString("54"), 1, 52.0),
+ },
+ },
+ {
+ FromAssetID: ð,
+ ToAssetID: &btc,
+ Rate: 1 / 54.0,
+ Utxo: &common.MovUtxo{
+ SourceID: hashPtr(testutil.MustDecodeHash("119a02980796dc352cf6475457463aef5666f66622088de3551fa73a65f0d201")),
+ SourcePos: 0,
+ Amount: 810,
+ ControlProgram: mustCreateP2WMCProgram(btc, testutil.MustDecodeHexString("55"), 1, 54.0),
+ },
+ },
+ }
+)
+
+func TestGenerateMatchedTxs(t *testing.T) {
+ btc2eth := &common.TradePair{FromAssetID: &btc, ToAssetID: ð}
+ eth2btc := &common.TradePair{FromAssetID: ð, ToAssetID: &btc}
+
+ cases := []struct {
+ desc string
+ tradePair *common.TradePair
+ storeOrderMap map[string][]*common.Order
+ wantMatchedTxs []*types.TxData
+ }{
+ {
+ desc: "full matched",
+ tradePair: &common.TradePair{FromAssetID: &btc, ToAssetID: ð},
+ storeOrderMap: map[string][]*common.Order{
+ btc2eth.Key(): {orders[0], orders[1]},
+ eth2btc.Key(): {orders[2], orders[3]},
+ },
+ wantMatchedTxs: []*types.TxData{
+ {
+ Inputs: []*types.TxInput{
+ types.NewSpendInput([][]byte{vm.Int64Bytes(0), vm.Int64Bytes(1)}, *orders[0].Utxo.SourceID, *orders[0].FromAssetID, orders[0].Utxo.Amount, orders[0].Utxo.SourcePos, orders[0].Utxo.ControlProgram),
+ types.NewSpendInput([][]byte{vm.Int64Bytes(1), vm.Int64Bytes(1)}, *orders[2].Utxo.SourceID, *orders[2].FromAssetID, orders[2].Utxo.Amount, orders[2].Utxo.SourcePos, orders[2].Utxo.ControlProgram),
+ },
+ Outputs: []*types.TxOutput{
+ types.NewIntraChainOutput(*orders[0].ToAssetID, 500, testutil.MustDecodeHexString("51")),
+ types.NewIntraChainOutput(*orders[2].ToAssetID, 10, testutil.MustDecodeHexString("53")),
+ types.NewIntraChainOutput(*orders[0].ToAssetID, 10, []byte{0x51}),
+ },
+ },
+ },
+ },
+ {
+ desc: "partial matched",
+ tradePair: &common.TradePair{FromAssetID: &btc, ToAssetID: ð},
+ storeOrderMap: map[string][]*common.Order{
+ btc2eth.Key(): {orders[0], orders[1]},
+ eth2btc.Key(): {orders[3]},
+ },
+ wantMatchedTxs: []*types.TxData{
+ {
+ Inputs: []*types.TxInput{
+ types.NewSpendInput([][]byte{vm.Int64Bytes(416), vm.Int64Bytes(0), vm.Int64Bytes(0)}, *orders[0].Utxo.SourceID, *orders[0].FromAssetID, orders[0].Utxo.Amount, orders[0].Utxo.SourcePos, orders[0].Utxo.ControlProgram),
+ types.NewSpendInput([][]byte{vm.Int64Bytes(2), vm.Int64Bytes(1)}, *orders[3].Utxo.SourceID, *orders[3].FromAssetID, orders[3].Utxo.Amount, orders[3].Utxo.SourcePos, orders[3].Utxo.ControlProgram),
+ },
+ Outputs: []*types.TxOutput{
+ types.NewIntraChainOutput(*orders[0].ToAssetID, 416, testutil.MustDecodeHexString("51")),
+ // re-order
+ types.NewIntraChainOutput(*orders[0].FromAssetID, 1, orders[0].Utxo.ControlProgram),
+ types.NewIntraChainOutput(*orders[3].ToAssetID, 8, testutil.MustDecodeHexString("54")),
+ // fee
+ types.NewIntraChainOutput(*orders[3].ToAssetID, 1, []byte{0x51}),
+ },
+ },
+ },
+ },
+ {
+ desc: "partial matched and continue to match",
+ tradePair: &common.TradePair{FromAssetID: &btc, ToAssetID: ð},
+ storeOrderMap: map[string][]*common.Order{
+ btc2eth.Key(): {orders[0], orders[1]},
+ eth2btc.Key(): {orders[4]},
+ },
+ wantMatchedTxs: []*types.TxData{
+ {
+ Inputs: []*types.TxInput{
+ types.NewSpendInput([][]byte{vm.Int64Bytes(0), vm.Int64Bytes(1)}, *orders[0].Utxo.SourceID, *orders[0].FromAssetID, orders[0].Utxo.Amount, orders[0].Utxo.SourcePos, orders[0].Utxo.ControlProgram),
+ types.NewSpendInput([][]byte{vm.Int64Bytes(10), vm.Int64Bytes(1), vm.Int64Bytes(0)}, *orders[4].Utxo.SourceID, *orders[4].FromAssetID, orders[4].Utxo.Amount, orders[4].Utxo.SourcePos, orders[4].Utxo.ControlProgram),
+ },
+ Outputs: []*types.TxOutput{
+ types.NewIntraChainOutput(*orders[0].ToAssetID, 500, testutil.MustDecodeHexString("51")),
+ types.NewIntraChainOutput(*orders[4].ToAssetID, 10, testutil.MustDecodeHexString("55")),
+ // re-order
+ types.NewIntraChainOutput(*orders[4].FromAssetID, 270, orders[4].Utxo.ControlProgram),
+ // fee
+ types.NewIntraChainOutput(*orders[4].FromAssetID, 27, []byte{0x51}),
+ // refund
+ types.NewIntraChainOutput(*orders[4].FromAssetID, 6, testutil.MustDecodeHexString("51")),
+ types.NewIntraChainOutput(*orders[4].FromAssetID, 7, testutil.MustDecodeHexString("55")),
+ },
+ },
+ {
+ Inputs: []*types.TxInput{
+ types.NewSpendInput([][]byte{vm.Int64Bytes(0), vm.Int64Bytes(0)}, *orders[1].Utxo.SourceID, *orders[1].FromAssetID, orders[1].Utxo.Amount, orders[1].Utxo.SourcePos, orders[1].Utxo.ControlProgram),
+ types.NewSpendInput([][]byte{vm.Int64Bytes(2), vm.Int64Bytes(1)}, testutil.MustDecodeHash("f47177c12d25f5316eb377ea006e77bf07e4f9646860e4641e313e004f9aa989"), *orders[4].FromAssetID, 270, 2, orders[4].Utxo.ControlProgram),
+ },
+ Outputs: []*types.TxOutput{
+ types.NewIntraChainOutput(*orders[1].ToAssetID, 270, testutil.MustDecodeHexString("52")),
+ // re-order
+ types.NewIntraChainOutput(*orders[1].FromAssetID, 14, orders[1].Utxo.ControlProgram),
+ types.NewIntraChainOutput(*orders[4].ToAssetID, 5, testutil.MustDecodeHexString("55")),
+ types.NewIntraChainOutput(*orders[1].FromAssetID, 1, []byte{0x51}),
+ },
+ },
+ },
+ },
+ }
+
+ for i, c := range cases {
+ movStore := &database.MockMovStore{OrderMap: c.storeOrderMap}
+ matchEngine := NewEngine(movStore, []byte{0x51})
+ var gotMatchedTxs []*types.Tx
+ for matchEngine.HasMatchedTx(c.tradePair, c.tradePair.Reverse()) {
+ matchedTx, err := matchEngine.NextMatchedTx(c.tradePair, c.tradePair.Reverse())
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ gotMatchedTxs = append(gotMatchedTxs, matchedTx)
+ }
+
+ if len(c.wantMatchedTxs) != len(gotMatchedTxs) {
+ t.Errorf("#%d(%s) the length of got matched tx is not equals want matched tx", i, c.desc)
+ continue
+ }
+
+ for i, gotMatchedTx := range gotMatchedTxs {
+ c.wantMatchedTxs[i].Version = 1
+ byteData, err := c.wantMatchedTxs[i].MarshalText()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ c.wantMatchedTxs[i].SerializedSize = uint64(len(byteData))
+ wantMatchedTx := types.NewTx(*c.wantMatchedTxs[i])
+ if gotMatchedTx.ID != wantMatchedTx.ID {
+ t.Errorf("#%d(%s) the tx hash of got matched tx: %s is not equals want matched tx: %s", i, c.desc, gotMatchedTx.ID.String(), wantMatchedTx.ID.String())
+ }
+ }
+ }
+}
+
+func mustCreateP2WMCProgram(requestAsset bc.AssetID, sellerProgram []byte, ratioMolecule, ratioDenominator int64) []byte {
+ contractArgs := vmutil.MagneticContractArgs{
+ RequestedAsset: requestAsset,
+ RatioNumerator: ratioMolecule,
+ RatioDenominator: ratioDenominator,
+ SellerProgram: sellerProgram,
+ SellerKey: testutil.MustDecodeHexString("ad79ec6bd3a6d6dbe4d0ee902afc99a12b9702fb63edce5f651db3081d868b75"),
+ }
+ program, err := vmutil.P2WMCProgram(contractArgs)
+ if err != nil {
+ panic(err)
+ }
+ return program
+}
+
+func hashPtr(hash bc.Hash) *bc.Hash {
+ return &hash
+}
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