mirror of
https://github.com/kaspanet/kaspad.git
synced 2025-10-14 00:59:33 +00:00
aa51b5f071
* [NOD-172] Port EMCH from bchd * [NOD-172] Fix hdkeychain.TestErrors and add btcec.TestRecoverCompact * [NOD-172] Make ECMH immutable * [NOD-172] Fix gofmt errors * [NOD-172] Add TestMultiset_NewMultisetFromDataSlice and fix Point to be immutable * [NOD-172] Fix gofmt errors * [NOD-172] Add test for checking that the Union of a multiset and its inverse is zero * [NOD-179] Add ECMH Point to all UTXO-structs * [NOD-179] Fix utxo set tests * [NOD-179] Fix mempool tests * [NOD-179] Remove RemoveTxOuts * [NOD-179] Move serializeBlockUTXODiffData to the top of the file * [NOD-179] Fix serializeBlockUTXODiffData comment format * [NOD-179] Fix AddTx comment and name return values
1044 lines
35 KiB
Go
1044 lines
35 KiB
Go
package blockdag
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import (
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"math"
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"reflect"
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"testing"
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"github.com/daglabs/btcd/btcec"
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"github.com/daglabs/btcd/dagconfig"
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"github.com/daglabs/btcd/util/daghash"
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"github.com/daglabs/btcd/wire"
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)
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// TestUTXOCollection makes sure that utxoCollection cloning and string representations work as expected.
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func TestUTXOCollection(t *testing.T) {
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txID0, _ := daghash.NewTxIDFromStr("0000000000000000000000000000000000000000000000000000000000000000")
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txID1, _ := daghash.NewTxIDFromStr("1111111111111111111111111111111111111111111111111111111111111111")
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outPoint0 := *wire.NewOutPoint(txID0, 0)
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outPoint1 := *wire.NewOutPoint(txID1, 0)
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utxoEntry0 := NewUTXOEntry(&wire.TxOut{PkScript: []byte{}, Value: 10}, true, 0)
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utxoEntry1 := NewUTXOEntry(&wire.TxOut{PkScript: []byte{}, Value: 20}, false, 1)
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// For each of the following test cases, we will:
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// .String() the given collection and compare it to expectedString
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// .clone() the given collection and compare its value to itself (expected: equals) and its reference to itself (expected: not equal)
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tests := []struct {
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name string
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collection utxoCollection
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expectedString string
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}{
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{
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name: "empty collection",
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collection: utxoCollection{},
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expectedString: "[ ]",
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},
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{
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name: "one member",
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collection: utxoCollection{
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outPoint0: utxoEntry1,
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},
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expectedString: "[ (0000000000000000000000000000000000000000000000000000000000000000, 0) => 20 ]",
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},
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{
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name: "two members",
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collection: utxoCollection{
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outPoint0: utxoEntry0,
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outPoint1: utxoEntry1,
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},
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expectedString: "[ (0000000000000000000000000000000000000000000000000000000000000000, 0) => 10, (1111111111111111111111111111111111111111111111111111111111111111, 0) => 20 ]",
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},
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}
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for _, test := range tests {
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// Test utxoCollection string representation
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collectionString := test.collection.String()
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if collectionString != test.expectedString {
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t.Errorf("unexpected string in test \"%s\". "+
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"Expected: \"%s\", got: \"%s\".", test.name, test.expectedString, collectionString)
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}
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// Test utxoCollection cloning
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collectionClone := test.collection.clone()
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if reflect.ValueOf(collectionClone).Pointer() == reflect.ValueOf(test.collection).Pointer() {
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t.Errorf("collection is reference-equal to its clone in test \"%s\". ", test.name)
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}
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if !reflect.DeepEqual(test.collection, collectionClone) {
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t.Errorf("collection is not equal to its clone in test \"%s\". "+
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"Expected: \"%s\", got: \"%s\".", test.name, collectionString, collectionClone.String())
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}
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}
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}
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// TestUTXODiff makes sure that utxoDiff creation, cloning, and string representations work as expected.
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func TestUTXODiff(t *testing.T) {
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txID0, _ := daghash.NewTxIDFromStr("0000000000000000000000000000000000000000000000000000000000000000")
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txID1, _ := daghash.NewTxIDFromStr("1111111111111111111111111111111111111111111111111111111111111111")
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outPoint0 := *wire.NewOutPoint(txID0, 0)
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outPoint1 := *wire.NewOutPoint(txID1, 0)
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utxoEntry0 := NewUTXOEntry(&wire.TxOut{PkScript: []byte{}, Value: 10}, true, 0)
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utxoEntry1 := NewUTXOEntry(&wire.TxOut{PkScript: []byte{}, Value: 20}, false, 1)
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// Test utxoDiff creation
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diff := NewUTXODiff()
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if len(diff.toAdd) != 0 || len(diff.toRemove) != 0 {
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t.Errorf("new diff is not empty")
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}
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err := diff.AddEntry(outPoint0, utxoEntry0)
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if err != nil {
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t.Fatalf("Error adding entry to utxo diff: %s", err)
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}
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err = diff.RemoveEntry(outPoint1, utxoEntry1)
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if err != nil {
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t.Fatalf("Error adding entry to utxo diff: %s", err)
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}
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// Test utxoDiff cloning
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clonedDiff := diff.clone()
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if clonedDiff == diff {
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t.Errorf("cloned diff is reference-equal to the original")
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}
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if !reflect.DeepEqual(clonedDiff, diff) {
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t.Errorf("cloned diff not equal to the original"+
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"Original: \"%v\", cloned: \"%v\".", diff, clonedDiff)
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}
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// Test utxoDiff string representation
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expectedDiffString := "toAdd: [ (0000000000000000000000000000000000000000000000000000000000000000, 0) => 10 ]; toRemove: [ (1111111111111111111111111111111111111111111111111111111111111111, 0) => 20 ], Multiset-Hash: 7cb61e48005b0c817211d04589d719bff87d86a6a6ce2454515f57265382ded7"
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diffString := clonedDiff.String()
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if diffString != expectedDiffString {
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t.Errorf("unexpected diff string. "+
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"Expected: \"%s\", got: \"%s\".", expectedDiffString, diffString)
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}
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}
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// TestUTXODiffRules makes sure that all diffFrom and WithDiff rules are followed.
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// Each test case represents a cell in the two tables outlined in the documentation for utxoDiff.
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func TestUTXODiffRules(t *testing.T) {
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txID0, _ := daghash.NewTxIDFromStr("0000000000000000000000000000000000000000000000000000000000000000")
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outPoint0 := *wire.NewOutPoint(txID0, 0)
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utxoEntry0 := NewUTXOEntry(&wire.TxOut{PkScript: []byte{}, Value: 10}, true, 0)
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// For each of the following test cases, we will:
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// this.diffFrom(other) and compare it to expectedDiffFromResult
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// this.WithDiff(other) and compare it to expectedWithDiffResult
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//
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// Note: an expected nil result means that we expect the respective operation to fail
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tests := []struct {
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name string
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this *UTXODiff
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other *UTXODiff
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expectedDiffFromResult *UTXODiff
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expectedWithDiffResult *UTXODiff
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}{
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{
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name: "one toAdd in this, one toAdd in other",
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this: &UTXODiff{
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toAdd: utxoCollection{outPoint0: utxoEntry0},
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toRemove: utxoCollection{},
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},
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other: &UTXODiff{
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toAdd: utxoCollection{outPoint0: utxoEntry0},
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toRemove: utxoCollection{},
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},
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expectedDiffFromResult: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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expectedWithDiffResult: nil,
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},
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{
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name: "one toAdd in this, one toRemove in other",
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this: &UTXODiff{
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toAdd: utxoCollection{outPoint0: utxoEntry0},
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toRemove: utxoCollection{},
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},
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other: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{outPoint0: utxoEntry0},
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},
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expectedDiffFromResult: nil,
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expectedWithDiffResult: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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},
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{
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name: "one toAdd in this, empty other",
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this: &UTXODiff{
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toAdd: utxoCollection{outPoint0: utxoEntry0},
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toRemove: utxoCollection{},
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},
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other: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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expectedDiffFromResult: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{outPoint0: utxoEntry0},
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},
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expectedWithDiffResult: &UTXODiff{
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toAdd: utxoCollection{outPoint0: utxoEntry0},
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toRemove: utxoCollection{},
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},
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},
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{
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name: "one toRemove in this, one toAdd in other",
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this: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{outPoint0: utxoEntry0},
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},
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other: &UTXODiff{
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toAdd: utxoCollection{outPoint0: utxoEntry0},
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toRemove: utxoCollection{},
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},
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expectedDiffFromResult: nil,
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expectedWithDiffResult: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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},
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{
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name: "one toRemove in this, one toRemove in other",
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this: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{outPoint0: utxoEntry0},
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},
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other: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{outPoint0: utxoEntry0},
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},
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expectedDiffFromResult: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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expectedWithDiffResult: nil,
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},
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{
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name: "one toRemove in this, empty other",
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this: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{outPoint0: utxoEntry0},
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},
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other: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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expectedDiffFromResult: &UTXODiff{
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toAdd: utxoCollection{outPoint0: utxoEntry0},
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toRemove: utxoCollection{},
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},
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expectedWithDiffResult: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{outPoint0: utxoEntry0},
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},
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},
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{
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name: "empty this, one toAdd in other",
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this: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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other: &UTXODiff{
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toAdd: utxoCollection{outPoint0: utxoEntry0},
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toRemove: utxoCollection{},
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},
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expectedDiffFromResult: &UTXODiff{
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toAdd: utxoCollection{outPoint0: utxoEntry0},
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toRemove: utxoCollection{},
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},
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expectedWithDiffResult: &UTXODiff{
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toAdd: utxoCollection{outPoint0: utxoEntry0},
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toRemove: utxoCollection{},
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},
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},
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{
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name: "empty this, one toRemove in other",
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this: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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other: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{outPoint0: utxoEntry0},
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},
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expectedDiffFromResult: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{outPoint0: utxoEntry0},
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},
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expectedWithDiffResult: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{outPoint0: utxoEntry0},
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},
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},
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{
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name: "empty this, empty other",
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this: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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other: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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expectedDiffFromResult: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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expectedWithDiffResult: &UTXODiff{
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toAdd: utxoCollection{},
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toRemove: utxoCollection{},
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},
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},
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}
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for _, test := range tests {
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this := addMultisetToDiff(t, test.this)
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other := addMultisetToDiff(t, test.other)
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expectedDiffFromResult := addMultisetToDiff(t, test.expectedDiffFromResult)
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expectedWithDiffResult := addMultisetToDiff(t, test.expectedWithDiffResult)
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// diffFrom from this to other
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diffResult, err := this.diffFrom(other)
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// Test whether diffFrom returned an error
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isDiffFromOk := err == nil
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expectedIsDiffFromOk := expectedDiffFromResult != nil
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if isDiffFromOk != expectedIsDiffFromOk {
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t.Errorf("unexpected diffFrom error in test \"%s\". "+
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"Expected: \"%t\", got: \"%t\".", test.name, expectedIsDiffFromOk, isDiffFromOk)
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}
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// If not error, test the diffFrom result
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if isDiffFromOk && !expectedDiffFromResult.equal(diffResult) {
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t.Errorf("unexpected diffFrom result in test \"%s\". "+
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"Expected: \"%v\", got: \"%v\".", test.name, expectedDiffFromResult, diffResult)
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}
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// WithDiff from this to other
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withDiffResult, err := this.WithDiff(other)
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// Test whether WithDiff returned an error
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isWithDiffOk := err == nil
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expectedIsWithDiffOk := expectedWithDiffResult != nil
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if isWithDiffOk != expectedIsWithDiffOk {
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t.Errorf("unexpected WithDiff error in test \"%s\". "+
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"Expected: \"%t\", got: \"%t\".", test.name, expectedIsWithDiffOk, isWithDiffOk)
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}
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// If not error, test the WithDiff result
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if isWithDiffOk && !withDiffResult.equal(expectedWithDiffResult) {
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t.Errorf("unexpected WithDiff result in test \"%s\". "+
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"Expected: \"%v\", got: \"%v\".", test.name, expectedWithDiffResult, withDiffResult)
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}
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}
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}
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func areMultisetsEqual(a *btcec.Multiset, b *btcec.Multiset) bool {
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aX, aY := a.Point()
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bX, bY := b.Point()
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return aX.Cmp(bX) == 0 && aY.Cmp(bY) == 0
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}
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func (d *UTXODiff) equal(other *UTXODiff) bool {
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return reflect.DeepEqual(d.toAdd, other.toAdd) &&
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reflect.DeepEqual(d.toRemove, other.toRemove) &&
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areMultisetsEqual(d.diffMultiset, other.diffMultiset)
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}
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func (fus *FullUTXOSet) equal(other *FullUTXOSet) bool {
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return reflect.DeepEqual(fus.utxoCollection, other.utxoCollection) &&
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areMultisetsEqual(fus.UTXOMultiset, other.UTXOMultiset)
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}
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func (dus *DiffUTXOSet) equal(other *DiffUTXOSet) bool {
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return dus.base.equal(other.base) && dus.UTXODiff.equal(other.UTXODiff)
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}
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func addMultisetToDiff(t *testing.T, diff *UTXODiff) *UTXODiff {
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if diff == nil {
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return nil
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}
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diffWithMs := NewUTXODiff()
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for outPoint, entry := range diff.toAdd {
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err := diffWithMs.AddEntry(outPoint, entry)
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if err != nil {
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t.Fatalf("Error with diffWithMs.AddEntry: %s", err)
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}
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}
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for outPoint, entry := range diff.toRemove {
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err := diffWithMs.RemoveEntry(outPoint, entry)
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if err != nil {
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t.Fatalf("Error with diffWithMs.removeEntry: %s", err)
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}
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}
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return diffWithMs
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}
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func addMultisetToFullUTXOSet(t *testing.T, fus *FullUTXOSet) *FullUTXOSet {
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if fus == nil {
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return nil
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}
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fusWithMs := NewFullUTXOSet()
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for outPoint, entry := range fus.utxoCollection {
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err := fusWithMs.addAndUpdateMultiset(outPoint, entry)
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if err != nil {
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t.Fatalf("Error with diffWithMs.AddEntry: %s", err)
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}
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}
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return fusWithMs
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}
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func addMultisetToDiffUTXOSet(t *testing.T, diffSet *DiffUTXOSet) *DiffUTXOSet {
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if diffSet == nil {
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return nil
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}
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diffWithMs := addMultisetToDiff(t, diffSet.UTXODiff)
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baseWithMs := addMultisetToFullUTXOSet(t, diffSet.base)
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return NewDiffUTXOSet(baseWithMs, diffWithMs)
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}
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|
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// TestFullUTXOSet makes sure that fullUTXOSet is working as expected.
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func TestFullUTXOSet(t *testing.T) {
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txID0, _ := daghash.NewTxIDFromStr("0000000000000000000000000000000000000000000000000000000000000000")
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txID1, _ := daghash.NewTxIDFromStr("1111111111111111111111111111111111111111111111111111111111111111")
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outPoint0 := *wire.NewOutPoint(txID0, 0)
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outPoint1 := *wire.NewOutPoint(txID1, 0)
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txOut0 := &wire.TxOut{PkScript: []byte{}, Value: 10}
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txOut1 := &wire.TxOut{PkScript: []byte{}, Value: 20}
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utxoEntry0 := NewUTXOEntry(txOut0, true, 0)
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utxoEntry1 := NewUTXOEntry(txOut1, false, 1)
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diff := addMultisetToDiff(t, &UTXODiff{
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toAdd: utxoCollection{outPoint0: utxoEntry0},
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toRemove: utxoCollection{outPoint1: utxoEntry1},
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})
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|
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// Test fullUTXOSet creation
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emptySet := NewFullUTXOSet()
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if len(emptySet.collection()) != 0 {
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t.Errorf("new set is not empty")
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}
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|
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// Test fullUTXOSet WithDiff
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withDiffResult, err := emptySet.WithDiff(diff)
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if err != nil {
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t.Errorf("WithDiff unexpectedly failed")
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}
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withDiffUTXOSet, ok := withDiffResult.(*DiffUTXOSet)
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if !ok {
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t.Errorf("WithDiff is of unexpected type")
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}
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if !reflect.DeepEqual(withDiffUTXOSet.base, emptySet) || !reflect.DeepEqual(withDiffUTXOSet.UTXODiff, diff) {
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t.Errorf("WithDiff is of unexpected composition")
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}
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// Test fullUTXOSet addTx
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txIn0 := &wire.TxIn{SignatureScript: []byte{}, PreviousOutPoint: wire.OutPoint{TxID: *txID0, Index: 0}, Sequence: 0}
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transaction0 := wire.NewNativeMsgTx(1, []*wire.TxIn{txIn0}, []*wire.TxOut{txOut0})
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if isAccepted, err := emptySet.AddTx(transaction0, 0); err != nil {
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t.Errorf("AddTx unexpectedly failed: %s", err)
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} else if isAccepted {
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t.Errorf("addTx unexpectedly succeeded")
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}
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emptySet = addMultisetToFullUTXOSet(t, &FullUTXOSet{utxoCollection: utxoCollection{outPoint0: utxoEntry0}})
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if isAccepted, err := emptySet.AddTx(transaction0, 0); err != nil {
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t.Errorf("addTx unexpectedly failed. Error: %s", err)
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} else if !isAccepted {
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t.Fatalf("AddTx unexpectedly didn't add tx %s", transaction0.TxID())
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}
|
|
|
|
// Test fullUTXOSet collection
|
|
if !reflect.DeepEqual(emptySet.collection(), emptySet.utxoCollection) {
|
|
t.Errorf("collection does not equal the set's utxoCollection")
|
|
}
|
|
|
|
// Test fullUTXOSet cloning
|
|
clonedEmptySet := emptySet.clone().(*FullUTXOSet)
|
|
if !reflect.DeepEqual(clonedEmptySet, emptySet) {
|
|
t.Errorf("clone does not equal the original set")
|
|
}
|
|
if clonedEmptySet == emptySet {
|
|
t.Errorf("cloned set is reference-equal to the original")
|
|
}
|
|
}
|
|
|
|
// TestDiffUTXOSet makes sure that diffUTXOSet is working as expected.
|
|
func TestDiffUTXOSet(t *testing.T) {
|
|
txID0, _ := daghash.NewTxIDFromStr("0000000000000000000000000000000000000000000000000000000000000000")
|
|
txID1, _ := daghash.NewTxIDFromStr("1111111111111111111111111111111111111111111111111111111111111111")
|
|
outPoint0 := *wire.NewOutPoint(txID0, 0)
|
|
outPoint1 := *wire.NewOutPoint(txID1, 0)
|
|
txOut0 := &wire.TxOut{PkScript: []byte{}, Value: 10}
|
|
txOut1 := &wire.TxOut{PkScript: []byte{}, Value: 20}
|
|
utxoEntry0 := NewUTXOEntry(txOut0, true, 0)
|
|
utxoEntry1 := NewUTXOEntry(txOut1, false, 1)
|
|
diff := addMultisetToDiff(t, &UTXODiff{
|
|
toAdd: utxoCollection{outPoint0: utxoEntry0},
|
|
toRemove: utxoCollection{outPoint1: utxoEntry1},
|
|
})
|
|
|
|
// Test diffUTXOSet creation
|
|
emptySet := NewDiffUTXOSet(NewFullUTXOSet(), NewUTXODiff())
|
|
if collection, err := emptySet.collection(); err != nil {
|
|
t.Errorf("Error getting emptySet collection: %s", err)
|
|
} else if len(collection) != 0 {
|
|
t.Errorf("new set is not empty")
|
|
}
|
|
|
|
// Test diffUTXOSet WithDiff
|
|
withDiffResult, err := emptySet.WithDiff(diff)
|
|
if err != nil {
|
|
t.Errorf("WithDiff unexpectedly failed")
|
|
}
|
|
withDiffUTXOSet, ok := withDiffResult.(*DiffUTXOSet)
|
|
if !ok {
|
|
t.Errorf("WithDiff is of unexpected type")
|
|
}
|
|
withDiff, _ := NewUTXODiff().WithDiff(diff)
|
|
if !reflect.DeepEqual(withDiffUTXOSet.base, emptySet.base) || !reflect.DeepEqual(withDiffUTXOSet.UTXODiff, withDiff) {
|
|
t.Errorf("WithDiff is of unexpected composition")
|
|
}
|
|
_, err = NewDiffUTXOSet(NewFullUTXOSet(), diff).WithDiff(diff)
|
|
if err == nil {
|
|
t.Errorf("WithDiff unexpectedly succeeded")
|
|
}
|
|
|
|
// Given a diffSet, each case tests that meldToBase, String, collection, and cloning work as expected
|
|
// For each of the following test cases, we will:
|
|
// .meldToBase() the given diffSet and compare it to expectedMeldSet
|
|
// .String() the given diffSet and compare it to expectedString
|
|
// .collection() the given diffSet and compare it to expectedCollection
|
|
// .clone() the given diffSet and compare its value to itself (expected: equals) and its reference to itself (expected: not equal)
|
|
tests := []struct {
|
|
name string
|
|
diffSet *DiffUTXOSet
|
|
expectedMeldSet *DiffUTXOSet
|
|
expectedString string
|
|
expectedCollection utxoCollection
|
|
expectedMeldToBaseError string
|
|
}{
|
|
{
|
|
name: "empty base, empty diff",
|
|
diffSet: &DiffUTXOSet{
|
|
base: NewFullUTXOSet(),
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
expectedMeldSet: &DiffUTXOSet{
|
|
base: NewFullUTXOSet(),
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
expectedString: "{Base: [ ], To Add: [ ], To Remove: [ ], Multiset-Hash:0000000000000000000000000000000000000000000000000000000000000000}",
|
|
expectedCollection: utxoCollection{},
|
|
},
|
|
{
|
|
name: "empty base, one member in diff toAdd",
|
|
diffSet: &DiffUTXOSet{
|
|
base: NewFullUTXOSet(),
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{outPoint0: utxoEntry0},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
expectedMeldSet: &DiffUTXOSet{
|
|
base: &FullUTXOSet{utxoCollection: utxoCollection{outPoint0: utxoEntry0}},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
expectedString: "{Base: [ ], To Add: [ (0000000000000000000000000000000000000000000000000000000000000000, 0) => 10 ], To Remove: [ ], Multiset-Hash:da4768bd0359c3426268d6707c1fc17a68c45ef1ea734331b07568418234487f}",
|
|
expectedCollection: utxoCollection{outPoint0: utxoEntry0},
|
|
},
|
|
{
|
|
name: "empty base, one member in diff toRemove",
|
|
diffSet: &DiffUTXOSet{
|
|
base: NewFullUTXOSet(),
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{outPoint0: utxoEntry0},
|
|
},
|
|
},
|
|
expectedMeldSet: nil,
|
|
expectedString: "{Base: [ ], To Add: [ ], To Remove: [ (0000000000000000000000000000000000000000000000000000000000000000, 0) => 10 ], Multiset-Hash:046242cb1bb1e6d3fd91d0f181e1b2d4a597ac57fa2584fc3c2eb0e0f46c9369}",
|
|
expectedCollection: utxoCollection{},
|
|
expectedMeldToBaseError: "Couldn't remove outpoint 0000000000000000000000000000000000000000000000000000000000000000:0 because it doesn't exist in the DiffUTXOSet base",
|
|
},
|
|
{
|
|
name: "one member in base toAdd, one member in diff toAdd",
|
|
diffSet: &DiffUTXOSet{
|
|
base: &FullUTXOSet{utxoCollection: utxoCollection{outPoint0: utxoEntry0}},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{outPoint1: utxoEntry1},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
expectedMeldSet: &DiffUTXOSet{
|
|
base: &FullUTXOSet{
|
|
utxoCollection: utxoCollection{
|
|
outPoint0: utxoEntry0,
|
|
outPoint1: utxoEntry1,
|
|
},
|
|
},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
expectedString: "{Base: [ (0000000000000000000000000000000000000000000000000000000000000000, 0) => 10 ], To Add: [ (1111111111111111111111111111111111111111111111111111111111111111, 0) => 20 ], To Remove: [ ], Multiset-Hash:556cc61fd4d7e74d7807ca2298c5320375a6a20310a18920e54667220924baff}",
|
|
expectedCollection: utxoCollection{
|
|
outPoint0: utxoEntry0,
|
|
outPoint1: utxoEntry1,
|
|
},
|
|
},
|
|
{
|
|
name: "one member in base toAdd, same one member in diff toRemove",
|
|
diffSet: &DiffUTXOSet{
|
|
base: &FullUTXOSet{utxoCollection: utxoCollection{outPoint0: utxoEntry0}},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{outPoint0: utxoEntry0},
|
|
},
|
|
},
|
|
expectedMeldSet: &DiffUTXOSet{
|
|
base: &FullUTXOSet{
|
|
utxoCollection: utxoCollection{},
|
|
},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
expectedString: "{Base: [ (0000000000000000000000000000000000000000000000000000000000000000, 0) => 10 ], To Add: [ ], To Remove: [ (0000000000000000000000000000000000000000000000000000000000000000, 0) => 10 ], Multiset-Hash:0000000000000000000000000000000000000000000000000000000000000000}",
|
|
expectedCollection: utxoCollection{},
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
diffSet := addMultisetToDiffUTXOSet(t, test.diffSet)
|
|
expectedMeldSet := addMultisetToDiffUTXOSet(t, test.expectedMeldSet)
|
|
|
|
// Test string representation
|
|
setString := diffSet.String()
|
|
if setString != test.expectedString {
|
|
t.Errorf("unexpected string in test \"%s\". "+
|
|
"Expected: \"%s\", got: \"%s\".", test.name, test.expectedString, setString)
|
|
}
|
|
|
|
// Test meldToBase
|
|
meldSet := diffSet.clone().(*DiffUTXOSet)
|
|
err := meldSet.meldToBase()
|
|
errString := ""
|
|
if err != nil {
|
|
errString = err.Error()
|
|
}
|
|
if test.expectedMeldToBaseError != errString {
|
|
t.Errorf("meldToBase in test \"%s\" expected error \"%s\" but got: \"%s\"", test.name, test.expectedMeldToBaseError, errString)
|
|
}
|
|
if err != nil {
|
|
continue
|
|
}
|
|
if !meldSet.equal(expectedMeldSet) {
|
|
t.Errorf("unexpected melded set in test \"%s\". "+
|
|
"Expected: \"%v\", got: \"%v\".", test.name, expectedMeldSet, meldSet)
|
|
}
|
|
|
|
// Test collection
|
|
setCollection, err := diffSet.collection()
|
|
if err != nil {
|
|
t.Errorf("Error getting diffSet collection: %s", err)
|
|
} else if !reflect.DeepEqual(setCollection, test.expectedCollection) {
|
|
t.Errorf("unexpected set collection in test \"%s\". "+
|
|
"Expected: \"%v\", got: \"%v\".", test.name, test.expectedCollection, setCollection)
|
|
}
|
|
|
|
// Test cloning
|
|
clonedSet := diffSet.clone().(*DiffUTXOSet)
|
|
if !reflect.DeepEqual(clonedSet, diffSet) {
|
|
t.Errorf("unexpected set clone in test \"%s\". "+
|
|
"Expected: \"%v\", got: \"%v\".", test.name, diffSet, clonedSet)
|
|
}
|
|
if clonedSet == diffSet {
|
|
t.Errorf("cloned set is reference-equal to the original")
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestUTXOSetDiffRules makes sure that utxoSet diffFrom rules are followed.
|
|
// The rules are:
|
|
// 1. Neither fullUTXOSet nor diffUTXOSet can diffFrom a fullUTXOSet.
|
|
// 2. fullUTXOSet cannot diffFrom a diffUTXOSet with a base other that itself.
|
|
// 3. diffUTXOSet cannot diffFrom a diffUTXOSet with a different base.
|
|
func TestUTXOSetDiffRules(t *testing.T) {
|
|
fullSet := NewFullUTXOSet()
|
|
diffSet := NewDiffUTXOSet(fullSet, NewUTXODiff())
|
|
|
|
// For each of the following test cases, we will call utxoSet.diffFrom(diffSet) and compare
|
|
// whether the function succeeded with expectedSuccess
|
|
//
|
|
// Note: since test cases are similar for both fullUTXOSet and diffUTXOSet, we test both using the same test cases
|
|
run := func(set UTXOSet) {
|
|
tests := []struct {
|
|
name string
|
|
diffSet UTXOSet
|
|
expectedSuccess bool
|
|
}{
|
|
{
|
|
name: "diff from fullSet",
|
|
diffSet: NewFullUTXOSet(),
|
|
expectedSuccess: false,
|
|
},
|
|
{
|
|
name: "diff from diffSet with different base",
|
|
diffSet: NewDiffUTXOSet(NewFullUTXOSet(), NewUTXODiff()),
|
|
expectedSuccess: false,
|
|
},
|
|
{
|
|
name: "diff from diffSet with same base",
|
|
diffSet: NewDiffUTXOSet(fullSet, NewUTXODiff()),
|
|
expectedSuccess: true,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
_, err := set.diffFrom(test.diffSet)
|
|
success := err == nil
|
|
if success != test.expectedSuccess {
|
|
t.Errorf("unexpected diffFrom success in test \"%s\". "+
|
|
"Expected: \"%t\", got: \"%t\".", test.name, test.expectedSuccess, success)
|
|
}
|
|
}
|
|
}
|
|
|
|
run(fullSet) // Perform the test cases above on a fullUTXOSet
|
|
run(diffSet) // Perform the test cases above on a diffUTXOSet
|
|
}
|
|
|
|
// TestDiffUTXOSet_addTx makes sure that diffUTXOSet addTx works as expected
|
|
func TestDiffUTXOSet_addTx(t *testing.T) {
|
|
// transaction0 is coinbase. As such, it has exactly one input with hash zero and MaxUInt32 index
|
|
txID0, _ := daghash.NewTxIDFromStr("0000000000000000000000000000000000000000000000000000000000000000")
|
|
txIn0 := &wire.TxIn{SignatureScript: []byte{}, PreviousOutPoint: wire.OutPoint{TxID: *txID0, Index: math.MaxUint32}, Sequence: 0}
|
|
txOut0 := &wire.TxOut{PkScript: []byte{0}, Value: 10}
|
|
utxoEntry0 := NewUTXOEntry(txOut0, true, 0)
|
|
transaction0 := wire.NewNativeMsgTx(1, []*wire.TxIn{txIn0}, []*wire.TxOut{txOut0})
|
|
|
|
// transaction1 spends transaction0
|
|
id1 := transaction0.TxID()
|
|
outPoint1 := *wire.NewOutPoint(id1, 0)
|
|
txIn1 := &wire.TxIn{SignatureScript: []byte{}, PreviousOutPoint: outPoint1, Sequence: 0}
|
|
txOut1 := &wire.TxOut{PkScript: []byte{1}, Value: 20}
|
|
utxoEntry1 := NewUTXOEntry(txOut1, false, 1)
|
|
transaction1 := wire.NewNativeMsgTx(1, []*wire.TxIn{txIn1}, []*wire.TxOut{txOut1})
|
|
|
|
// transaction2 spends transaction1
|
|
id2 := transaction1.TxID()
|
|
outPoint2 := *wire.NewOutPoint(id2, 0)
|
|
txIn2 := &wire.TxIn{SignatureScript: []byte{}, PreviousOutPoint: outPoint2, Sequence: 0}
|
|
txOut2 := &wire.TxOut{PkScript: []byte{2}, Value: 30}
|
|
utxoEntry2 := NewUTXOEntry(txOut2, false, 2)
|
|
transaction2 := wire.NewNativeMsgTx(1, []*wire.TxIn{txIn2}, []*wire.TxOut{txOut2})
|
|
|
|
// outpoint3 is the outpoint for transaction2
|
|
id3 := transaction2.TxID()
|
|
outPoint3 := *wire.NewOutPoint(id3, 0)
|
|
|
|
// For each of the following test cases, we will:
|
|
// 1. startSet.addTx() all the transactions in toAdd, in order, with the initial block height startHeight
|
|
// 2. Compare the result set with expectedSet
|
|
tests := []struct {
|
|
name string
|
|
startSet *DiffUTXOSet
|
|
startHeight uint64
|
|
toAdd []*wire.MsgTx
|
|
expectedSet *DiffUTXOSet
|
|
}{
|
|
{
|
|
name: "add coinbase transaction to empty set",
|
|
startSet: NewDiffUTXOSet(NewFullUTXOSet(), NewUTXODiff()),
|
|
startHeight: 0,
|
|
toAdd: []*wire.MsgTx{transaction0},
|
|
expectedSet: &DiffUTXOSet{
|
|
base: &FullUTXOSet{utxoCollection: utxoCollection{}},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{outPoint1: utxoEntry0},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "add regular transaction to empty set",
|
|
startSet: NewDiffUTXOSet(NewFullUTXOSet(), NewUTXODiff()),
|
|
startHeight: 0,
|
|
toAdd: []*wire.MsgTx{transaction1},
|
|
expectedSet: &DiffUTXOSet{
|
|
base: &FullUTXOSet{utxoCollection: utxoCollection{}},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "add transaction to set with its input in base",
|
|
startSet: &DiffUTXOSet{
|
|
base: &FullUTXOSet{utxoCollection: utxoCollection{outPoint1: utxoEntry0}},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
startHeight: 1,
|
|
toAdd: []*wire.MsgTx{transaction1},
|
|
expectedSet: &DiffUTXOSet{
|
|
base: &FullUTXOSet{utxoCollection: utxoCollection{outPoint1: utxoEntry0}},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{outPoint2: utxoEntry1},
|
|
toRemove: utxoCollection{outPoint1: utxoEntry0},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "add transaction to set with its input in diff toAdd",
|
|
startSet: &DiffUTXOSet{
|
|
base: NewFullUTXOSet(),
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{outPoint1: utxoEntry0},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
startHeight: 1,
|
|
toAdd: []*wire.MsgTx{transaction1},
|
|
expectedSet: &DiffUTXOSet{
|
|
base: NewFullUTXOSet(),
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{outPoint2: utxoEntry1},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "add transaction to set with its input in diff toAdd and its output in diff toRemove",
|
|
startSet: &DiffUTXOSet{
|
|
base: NewFullUTXOSet(),
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{outPoint1: utxoEntry0},
|
|
toRemove: utxoCollection{outPoint2: utxoEntry1},
|
|
},
|
|
},
|
|
startHeight: 1,
|
|
toAdd: []*wire.MsgTx{transaction1},
|
|
expectedSet: &DiffUTXOSet{
|
|
base: NewFullUTXOSet(),
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "add two transactions, one spending the other, to set with the first input in base",
|
|
startSet: &DiffUTXOSet{
|
|
base: &FullUTXOSet{utxoCollection: utxoCollection{outPoint1: utxoEntry0}},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
startHeight: 1,
|
|
toAdd: []*wire.MsgTx{transaction1, transaction2},
|
|
expectedSet: &DiffUTXOSet{
|
|
base: &FullUTXOSet{utxoCollection: utxoCollection{outPoint1: utxoEntry0}},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{outPoint3: utxoEntry2},
|
|
toRemove: utxoCollection{outPoint1: utxoEntry0},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
testLoop:
|
|
for _, test := range tests {
|
|
startSet := addMultisetToDiffUTXOSet(t, test.startSet)
|
|
expectedSet := addMultisetToDiffUTXOSet(t, test.expectedSet)
|
|
|
|
diffSet := startSet.clone()
|
|
|
|
// Apply all transactions to diffSet, in order, with the initial block height startHeight
|
|
for i, transaction := range test.toAdd {
|
|
_, err := diffSet.AddTx(transaction, test.startHeight+uint64(i))
|
|
if err != nil {
|
|
t.Errorf("Error adding tx %s in test \"%s\": %s", transaction.TxID(), test.name, err)
|
|
continue testLoop
|
|
}
|
|
}
|
|
|
|
// Make sure that the result diffSet equals to the expectedSet
|
|
if !diffSet.(*DiffUTXOSet).equal(expectedSet) {
|
|
t.Errorf("unexpected diffSet in test \"%s\". "+
|
|
"Expected: \"%v\", got: \"%v\".", test.name, expectedSet, diffSet)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDiffFromTx(t *testing.T) {
|
|
fus := addMultisetToFullUTXOSet(t, &FullUTXOSet{
|
|
utxoCollection: utxoCollection{},
|
|
})
|
|
cbTx, err := createCoinbaseTxForTest(1, 1, 0, &dagconfig.SimNetParams)
|
|
if err != nil {
|
|
t.Errorf("createCoinbaseTxForTest: %v", err)
|
|
}
|
|
if isAccepted, err := fus.AddTx(cbTx, 1); err != nil {
|
|
t.Fatalf("AddTx unexpectedly failed. Error: %s", err)
|
|
} else if !isAccepted {
|
|
t.Fatalf("AddTx unexpectedly didn't add tx %s", cbTx.TxID())
|
|
}
|
|
node := &blockNode{height: 2} //Fake node
|
|
cbOutpoint := wire.OutPoint{TxID: *cbTx.TxID(), Index: 0}
|
|
txIns := []*wire.TxIn{&wire.TxIn{
|
|
PreviousOutPoint: cbOutpoint,
|
|
SignatureScript: nil,
|
|
Sequence: wire.MaxTxInSequenceNum,
|
|
}}
|
|
txOuts := []*wire.TxOut{&wire.TxOut{
|
|
PkScript: OpTrueScript,
|
|
Value: uint64(1),
|
|
}}
|
|
tx := wire.NewNativeMsgTx(wire.TxVersion, txIns, txOuts)
|
|
diff, err := fus.diffFromTx(tx, node)
|
|
if err != nil {
|
|
t.Errorf("diffFromTx: %v", err)
|
|
}
|
|
if !reflect.DeepEqual(diff.toAdd, utxoCollection{
|
|
wire.OutPoint{TxID: *tx.TxID(), Index: 0}: NewUTXOEntry(tx.TxOut[0], false, 2),
|
|
}) {
|
|
t.Errorf("diff.toAdd doesn't have the expected values")
|
|
}
|
|
|
|
if !reflect.DeepEqual(diff.toRemove, utxoCollection{
|
|
wire.OutPoint{TxID: *cbTx.TxID(), Index: 0}: NewUTXOEntry(cbTx.TxOut[0], true, 1),
|
|
}) {
|
|
t.Errorf("diff.toRemove doesn't have the expected values")
|
|
}
|
|
|
|
//Test that we get an error if we don't have the outpoint inside the utxo set
|
|
invalidTxIns := []*wire.TxIn{&wire.TxIn{
|
|
PreviousOutPoint: wire.OutPoint{TxID: daghash.TxID{}, Index: 0},
|
|
SignatureScript: nil,
|
|
Sequence: wire.MaxTxInSequenceNum,
|
|
}}
|
|
invalidTxOuts := []*wire.TxOut{&wire.TxOut{
|
|
PkScript: OpTrueScript,
|
|
Value: uint64(1),
|
|
}}
|
|
invalidTx := wire.NewNativeMsgTx(wire.TxVersion, invalidTxIns, invalidTxOuts)
|
|
_, err = fus.diffFromTx(invalidTx, node)
|
|
if err == nil {
|
|
t.Errorf("diffFromTx: expected an error but got <nil>")
|
|
}
|
|
|
|
//Test that we get an error if the outpoint is inside diffUTXOSet's toRemove
|
|
diff2 := addMultisetToDiff(t, &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
})
|
|
dus := NewDiffUTXOSet(fus, diff2)
|
|
if isAccepted, err := dus.AddTx(tx, 2); err != nil {
|
|
t.Fatalf("AddTx unexpectedly failed. Error: %s", err)
|
|
} else if !isAccepted {
|
|
t.Fatalf("AddTx unexpectedly didn't add tx %s", tx.TxID())
|
|
}
|
|
_, err = dus.diffFromTx(tx, node)
|
|
if err == nil {
|
|
t.Errorf("diffFromTx: expected an error but got <nil>")
|
|
}
|
|
}
|
|
|
|
// collection returns a collection of all UTXOs in this set
|
|
func (fus *FullUTXOSet) collection() utxoCollection {
|
|
return fus.utxoCollection.clone()
|
|
}
|
|
|
|
// collection returns a collection of all UTXOs in this set
|
|
func (dus *DiffUTXOSet) collection() (utxoCollection, error) {
|
|
clone := dus.clone().(*DiffUTXOSet)
|
|
err := clone.meldToBase()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return clone.base.collection(), nil
|
|
}
|
|
|
|
func TestUTXOSetAddEntry(t *testing.T) {
|
|
txID0, _ := daghash.NewTxIDFromStr("0000000000000000000000000000000000000000000000000000000000000000")
|
|
txID1, _ := daghash.NewTxIDFromStr("1111111111111111111111111111111111111111111111111111111111111111")
|
|
outPoint0 := wire.NewOutPoint(txID0, 0)
|
|
outPoint1 := wire.NewOutPoint(txID1, 0)
|
|
utxoEntry0 := NewUTXOEntry(&wire.TxOut{PkScript: []byte{}, Value: 10}, true, 0)
|
|
utxoEntry1 := NewUTXOEntry(&wire.TxOut{PkScript: []byte{}, Value: 20}, false, 1)
|
|
|
|
utxoDiff := NewUTXODiff()
|
|
|
|
tests := []struct {
|
|
name string
|
|
outPointToAdd *wire.OutPoint
|
|
utxoEntryToAdd *UTXOEntry
|
|
expectedUTXODiff *UTXODiff
|
|
expectedError string
|
|
}{
|
|
{
|
|
name: "add an entry",
|
|
outPointToAdd: outPoint0,
|
|
utxoEntryToAdd: utxoEntry0,
|
|
expectedUTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{*outPoint0: utxoEntry0},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
{
|
|
name: "add another entry",
|
|
outPointToAdd: outPoint1,
|
|
utxoEntryToAdd: utxoEntry1,
|
|
expectedUTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{*outPoint0: utxoEntry0, *outPoint1: utxoEntry1},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
{
|
|
name: "add first entry again",
|
|
outPointToAdd: outPoint0,
|
|
utxoEntryToAdd: utxoEntry0,
|
|
expectedUTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{*outPoint0: utxoEntry0, *outPoint1: utxoEntry1},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
expectedError: "AddEntry: Cannot add outpoint 0000000000000000000000000000000000000000000000000000000000000000:0 twice",
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
expectedUTXODiff := addMultisetToDiff(t, test.expectedUTXODiff)
|
|
err := utxoDiff.AddEntry(*test.outPointToAdd, test.utxoEntryToAdd)
|
|
errString := ""
|
|
if err != nil {
|
|
errString = err.Error()
|
|
}
|
|
if errString != test.expectedError {
|
|
t.Fatalf("utxoDiff.AddEntry: unexpected err in test \"%s\". Expected: %s but got: %s", test.name, test.expectedError, err)
|
|
}
|
|
if err == nil && !utxoDiff.equal(expectedUTXODiff) {
|
|
t.Fatalf("utxoDiff.AddEntry: unexpected utxoDiff in test \"%s\". "+
|
|
"Expected: %v, got: %v", test.name, expectedUTXODiff, utxoDiff)
|
|
}
|
|
}
|
|
}
|