mirror of
https://github.com/kaspanet/kaspad.git
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7093155c3a
* [DEV-234] add TxAcceptedInBlock and TxBlocks * [DEV-234] test TxAcceptedInBlock and TxBlocks * [DEV-234] test TxAcceptedInBlock and TxFirstBlockRegion * [DEV-234] rename selectedPathSet to selectedPathChain * [DEV-234] set indexers db as part of index manager initialization * [DEV-234] remove redudant dag instance in txindex * [DEV-234] fix TestTxIndexConnectBlock and add DAGParams as part of config in DAGSetup * [DEV-234] TestTxIndexConnectBlock make K=1 to make calculations easier * [DEV-234] rename TxAcceptingBlock to BlockThatAcceptedTx * [DEV-234] update block fields names in txindex_test.go * [DEV-234] rename selectedPathChain -> selectedPathChainSet
1001 lines
33 KiB
Go
1001 lines
33 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/dagconfig"
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"github.com/daglabs/btcd/dagconfig/daghash"
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"github.com/daglabs/btcd/txscript"
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"github.com/daglabs/btcd/util"
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"github.com/daglabs/btcd/wire"
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)
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var OpTrueScript = []byte{txscript.OpTrue}
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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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hash0, _ := daghash.NewHashFromStr("0000000000000000000000000000000000000000000000000000000000000000")
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hash1, _ := daghash.NewHashFromStr("1111111111111111111111111111111111111111111111111111111111111111")
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outPoint0 := *wire.NewOutPoint(hash0, 0)
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outPoint1 := *wire.NewOutPoint(hash1, 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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hash0, _ := daghash.NewHashFromStr("0000000000000000000000000000000000000000000000000000000000000000")
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hash1, _ := daghash.NewHashFromStr("1111111111111111111111111111111111111111111111111111111111111111")
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outPoint0 := *wire.NewOutPoint(hash0, 0)
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outPoint1 := *wire.NewOutPoint(hash1, 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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diff := 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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// Test utxoDiff creation
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newDiff := NewUTXODiff()
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if len(newDiff.toAdd) != 0 || len(newDiff.toRemove) != 0 {
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t.Errorf("new diff is not empty")
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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 ]"
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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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hash0, _ := daghash.NewHashFromStr("0000000000000000000000000000000000000000000000000000000000000000")
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outPoint0 := *wire.NewOutPoint(hash0, 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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// diffFrom from this to other
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diffResult, err := test.this.diffFrom(test.other)
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// Test whether diffFrom returned an error
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isDiffFromOk := err == nil
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expectedIsDiffFromOk := test.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 && !reflect.DeepEqual(diffResult, test.expectedDiffFromResult) {
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t.Errorf("unexpected diffFrom result in test \"%s\". "+
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"Expected: \"%v\", got: \"%v\".", test.name, test.expectedDiffFromResult, diffResult)
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}
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// WithDiff from this to other
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withDiffResult, err := test.this.WithDiff(test.other)
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// Test whether WithDiff returned an error
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isWithDiffOk := err == nil
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expectedIsWithDiffOk := test.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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// Ig not error, test the WithDiff result
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if isWithDiffOk && !reflect.DeepEqual(withDiffResult, test.expectedWithDiffResult) {
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t.Errorf("unexpected WithDiff result in test \"%s\". "+
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"Expected: \"%v\", got: \"%v\".", test.name, test.expectedWithDiffResult, withDiffResult)
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}
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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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hash0, _ := daghash.NewHashFromStr("0000000000000000000000000000000000000000000000000000000000000000")
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hash1, _ := daghash.NewHashFromStr("1111111111111111111111111111111111111111111111111111111111111111")
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outPoint0 := *wire.NewOutPoint(hash0, 0)
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outPoint1 := *wire.NewOutPoint(hash1, 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 := &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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// 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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// 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{Hash: *hash0, Index: 0}, Sequence: 0}
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transaction0 := wire.NewMsgTx(1)
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transaction0.TxIn = []*wire.TxIn{txIn0}
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transaction0.TxOut = []*wire.TxOut{txOut0}
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if ok = emptySet.AddTx(transaction0, 0); ok {
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t.Errorf("addTx unexpectedly succeeded")
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}
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emptySet = &FullUTXOSet{utxoCollection: utxoCollection{outPoint0: utxoEntry0}}
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if ok = emptySet.AddTx(transaction0, 0); !ok {
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t.Errorf("addTx unexpectedly failed")
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}
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// Test fullUTXOSet collection
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if !reflect.DeepEqual(emptySet.collection(), emptySet.utxoCollection) {
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t.Errorf("collection does not equal the set's utxoCollection")
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}
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// Test fullUTXOSet cloning
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clonedEmptySet := emptySet.clone().(*FullUTXOSet)
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if !reflect.DeepEqual(clonedEmptySet, emptySet) {
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t.Errorf("clone does not equal the original set")
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}
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if clonedEmptySet == emptySet {
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t.Errorf("cloned set is reference-equal to the original")
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}
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}
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// TestDiffUTXOSet makes sure that diffUTXOSet is working as expected.
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func TestDiffUTXOSet(t *testing.T) {
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hash0, _ := daghash.NewHashFromStr("0000000000000000000000000000000000000000000000000000000000000000")
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hash1, _ := daghash.NewHashFromStr("1111111111111111111111111111111111111111111111111111111111111111")
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outPoint0 := *wire.NewOutPoint(hash0, 0)
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outPoint1 := *wire.NewOutPoint(hash1, 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 := &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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// Test diffUTXOSet creation
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emptySet := NewDiffUTXOSet(NewFullUTXOSet(), NewUTXODiff())
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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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// Test diffUTXOSet 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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withDiff, _ := NewUTXODiff().WithDiff(diff)
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if !reflect.DeepEqual(withDiffUTXOSet.base, emptySet.base) || !reflect.DeepEqual(withDiffUTXOSet.UTXODiff, withDiff) {
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t.Errorf("WithDiff is of unexpected composition")
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}
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_, err = NewDiffUTXOSet(NewFullUTXOSet(), diff).WithDiff(diff)
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if err == nil {
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t.Errorf("WithDiff unexpectedly succeeded")
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}
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// Given a diffSet, each case tests that meldToBase, String, collection, and cloning work as expected
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// For each of the following test cases, we will:
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// .meldToBase() the given diffSet and compare it to expectedMeldSet
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// .String() the given diffSet and compare it to expectedString
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// .collection() the given diffSet and compare it to expectedCollection
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// .clone() the given diffSet 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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diffSet *DiffUTXOSet
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expectedMeldSet *DiffUTXOSet
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expectedString string
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expectedCollection utxoCollection
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}{
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{
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name: "empty base, empty diff",
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diffSet: &DiffUTXOSet{
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base: NewFullUTXOSet(),
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UTXODiff: &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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expectedMeldSet: &DiffUTXOSet{
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base: NewFullUTXOSet(),
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
expectedString: "{Base: [ ], To Add: [ ], To Remove: [ ]}",
|
|
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: [ ]}",
|
|
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: &DiffUTXOSet{
|
|
base: &FullUTXOSet{utxoCollection: utxoCollection{}},
|
|
UTXODiff: &UTXODiff{
|
|
toAdd: utxoCollection{},
|
|
toRemove: utxoCollection{},
|
|
},
|
|
},
|
|
expectedString: "{Base: [ ], To Add: [ ], To Remove: [ (0000000000000000000000000000000000000000000000000000000000000000, 0) => 10 ]}",
|
|
expectedCollection: utxoCollection{},
|
|
},
|
|
{
|
|
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: [ ]}",
|
|
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 ]}",
|
|
expectedCollection: utxoCollection{},
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
// Test meldToBase
|
|
meldSet := test.diffSet.clone().(*DiffUTXOSet)
|
|
meldSet.meldToBase()
|
|
if !reflect.DeepEqual(meldSet, test.expectedMeldSet) {
|
|
t.Errorf("unexpected melded set in test \"%s\". "+
|
|
"Expected: \"%v\", got: \"%v\".", test.name, test.expectedMeldSet, meldSet)
|
|
}
|
|
|
|
// Test string representation
|
|
setString := test.diffSet.String()
|
|
if setString != test.expectedString {
|
|
t.Errorf("unexpected string in test \"%s\". "+
|
|
"Expected: \"%s\", got: \"%s\".", test.name, test.expectedString, setString)
|
|
}
|
|
|
|
// Test collection
|
|
setCollection := test.diffSet.collection()
|
|
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 := test.diffSet.clone().(*DiffUTXOSet)
|
|
if !reflect.DeepEqual(clonedSet, test.diffSet) {
|
|
t.Errorf("unexpected set clone in test \"%s\". "+
|
|
"Expected: \"%v\", got: \"%v\".", test.name, test.diffSet, clonedSet)
|
|
}
|
|
if clonedSet == test.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
|
|
hash0, _ := daghash.NewHashFromStr("0000000000000000000000000000000000000000000000000000000000000000")
|
|
txIn0 := &wire.TxIn{SignatureScript: []byte{}, PreviousOutPoint: wire.OutPoint{Hash: *hash0, Index: math.MaxUint32}, Sequence: 0}
|
|
txOut0 := &wire.TxOut{PkScript: []byte{0}, Value: 10}
|
|
utxoEntry0 := NewUTXOEntry(txOut0, true, 0)
|
|
transaction0 := wire.NewMsgTx(1)
|
|
transaction0.TxIn = []*wire.TxIn{txIn0}
|
|
transaction0.TxOut = []*wire.TxOut{txOut0}
|
|
|
|
// transaction1 spends transaction0
|
|
hash1 := transaction0.TxHash()
|
|
outPoint1 := *wire.NewOutPoint(&hash1, 0)
|
|
txIn1 := &wire.TxIn{SignatureScript: []byte{}, PreviousOutPoint: wire.OutPoint{Hash: hash1, Index: 0}, Sequence: 0}
|
|
txOut1 := &wire.TxOut{PkScript: []byte{1}, Value: 20}
|
|
utxoEntry1 := NewUTXOEntry(txOut1, false, 1)
|
|
transaction1 := wire.NewMsgTx(1)
|
|
transaction1.TxIn = []*wire.TxIn{txIn1}
|
|
transaction1.TxOut = []*wire.TxOut{txOut1}
|
|
|
|
// transaction2 spends transaction1
|
|
hash2 := transaction1.TxHash()
|
|
outPoint2 := *wire.NewOutPoint(&hash2, 0)
|
|
txIn2 := &wire.TxIn{SignatureScript: []byte{}, PreviousOutPoint: wire.OutPoint{Hash: hash2, Index: 0}, Sequence: 0}
|
|
txOut2 := &wire.TxOut{PkScript: []byte{2}, Value: 30}
|
|
utxoEntry2 := NewUTXOEntry(txOut2, false, 2)
|
|
transaction2 := wire.NewMsgTx(1)
|
|
transaction2.TxIn = []*wire.TxIn{txIn2}
|
|
transaction2.TxOut = []*wire.TxOut{txOut2}
|
|
|
|
// outpoint3 is the outpoint for transaction2
|
|
hash3 := transaction2.TxHash()
|
|
outPoint3 := *wire.NewOutPoint(&hash3, 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 int32
|
|
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},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
diffSet := test.startSet.clone()
|
|
|
|
// Apply all transactions to diffSet, in order, with the initial block height startHeight
|
|
for i, transaction := range test.toAdd {
|
|
diffSet.AddTx(transaction, test.startHeight+int32(i))
|
|
}
|
|
|
|
// Make sure that the result diffSet equals to the expectedSet
|
|
if !reflect.DeepEqual(diffSet, test.expectedSet) {
|
|
t.Errorf("unexpected diffSet in test \"%s\". "+
|
|
"Expected: \"%v\", got: \"%v\".", test.name, test.expectedSet, diffSet)
|
|
}
|
|
}
|
|
}
|
|
|
|
// createCoinbaseTx returns a coinbase transaction with the requested number of
|
|
// outputs paying an appropriate subsidy based on the passed block height to the
|
|
// address associated with the harness. It automatically uses a standard
|
|
// signature script that starts with the block height
|
|
func createCoinbaseTx(blockHeight int32, numOutputs uint32) (*wire.MsgTx, error) {
|
|
// Create standard coinbase script.
|
|
extraNonce := int64(0)
|
|
coinbaseScript, err := txscript.NewScriptBuilder().
|
|
AddInt64(int64(blockHeight)).AddInt64(extraNonce).Script()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
tx := wire.NewMsgTx(wire.TxVersion)
|
|
tx.AddTxIn(&wire.TxIn{
|
|
// Coinbase transactions have no inputs, so previous outpoint is
|
|
// zero hash and max index.
|
|
PreviousOutPoint: *wire.NewOutPoint(&daghash.Hash{},
|
|
wire.MaxPrevOutIndex),
|
|
SignatureScript: coinbaseScript,
|
|
Sequence: wire.MaxTxInSequenceNum,
|
|
})
|
|
totalInput := CalcBlockSubsidy(blockHeight, &dagconfig.MainNetParams)
|
|
amountPerOutput := totalInput / uint64(numOutputs)
|
|
remainder := totalInput - amountPerOutput*uint64(numOutputs)
|
|
for i := uint32(0); i < numOutputs; i++ {
|
|
// Ensure the final output accounts for any remainder that might
|
|
// be left from splitting the input amount.
|
|
amount := amountPerOutput
|
|
if i == numOutputs-1 {
|
|
amount = amountPerOutput + remainder
|
|
}
|
|
tx.AddTxOut(&wire.TxOut{
|
|
PkScript: OpTrueScript,
|
|
Value: amount,
|
|
})
|
|
}
|
|
|
|
return tx, nil
|
|
}
|
|
|
|
func TestApplyUTXOChanges(t *testing.T) {
|
|
// Create a new database and dag instance to run tests against.
|
|
dag, teardownFunc, err := DAGSetup("TestApplyUTXOChanges", Config{
|
|
DAGParams: &dagconfig.SimNetParams,
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("Failed to setup dag instance: %v", err)
|
|
}
|
|
defer teardownFunc()
|
|
|
|
dag.dagParams.CoinbaseMaturity = 1
|
|
// Create artificial checkpoint in order to prevent script validation for blocks that comes before it
|
|
dag.checkpoints = []dagconfig.Checkpoint{
|
|
{
|
|
Height: 1000,
|
|
},
|
|
}
|
|
|
|
cbTx, err := createCoinbaseTx(1, 1)
|
|
if err != nil {
|
|
t.Errorf("createCoinbaseTx: %v", err)
|
|
}
|
|
|
|
chainedTx := wire.NewMsgTx(wire.TxVersion)
|
|
chainedTx.AddTxIn(&wire.TxIn{
|
|
PreviousOutPoint: wire.OutPoint{Hash: cbTx.TxHash(), Index: 0},
|
|
SignatureScript: nil,
|
|
Sequence: wire.MaxTxInSequenceNum,
|
|
})
|
|
chainedTx.AddTxOut(&wire.TxOut{
|
|
PkScript: OpTrueScript,
|
|
Value: uint64(1),
|
|
})
|
|
|
|
//Fake block header
|
|
blockHeader := wire.NewBlockHeader(1, []daghash.Hash{dag.genesis.hash}, &daghash.Hash{}, 0, 0)
|
|
|
|
msgBlock1 := &wire.MsgBlock{
|
|
Header: *blockHeader,
|
|
Transactions: []*wire.MsgTx{cbTx, chainedTx},
|
|
}
|
|
|
|
block1 := util.NewBlock(msgBlock1)
|
|
|
|
var node1 blockNode
|
|
initBlockNode(&node1, blockHeader, setFromSlice(dag.genesis), dagconfig.MainNetParams.K)
|
|
|
|
//Checks that dag.applyUTXOChanges fails because we don't allow a transaction to spend another transaction from the same block
|
|
_, _, err = dag.applyUTXOChanges(&node1, block1, false)
|
|
if err == nil {
|
|
t.Errorf("applyUTXOChanges expected an error\n")
|
|
}
|
|
|
|
nonChainedTx := wire.NewMsgTx(wire.TxVersion)
|
|
nonChainedTx.AddTxIn(&wire.TxIn{
|
|
PreviousOutPoint: wire.OutPoint{Hash: dag.dagParams.GenesisBlock.Transactions[0].TxHash(), Index: 0},
|
|
SignatureScript: nil, //Fake SigScript, because we don't check scripts validity in this test
|
|
Sequence: wire.MaxTxInSequenceNum,
|
|
})
|
|
nonChainedTx.AddTxOut(&wire.TxOut{
|
|
PkScript: OpTrueScript,
|
|
Value: uint64(1),
|
|
})
|
|
|
|
msgBlock2 := &wire.MsgBlock{
|
|
Header: *blockHeader,
|
|
Transactions: []*wire.MsgTx{cbTx, nonChainedTx},
|
|
}
|
|
|
|
block2 := util.NewBlock(msgBlock2)
|
|
|
|
var node2 blockNode
|
|
initBlockNode(&node2, blockHeader, setFromSlice(dag.genesis), dagconfig.MainNetParams.K)
|
|
|
|
//Checks that dag.applyUTXOChanges doesn't fail because all of its transaction are dependant on transactions from previous blocks
|
|
_, _, err = dag.applyUTXOChanges(&node2, block2, false)
|
|
if err != nil {
|
|
t.Errorf("applyUTXOChanges: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestDiffFromTx(t *testing.T) {
|
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fus := &FullUTXOSet{
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utxoCollection: utxoCollection{},
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}
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cbTx, err := createCoinbaseTx(1, 1)
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if err != nil {
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t.Errorf("createCoinbaseTx: %v", err)
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}
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fus.AddTx(cbTx, 1)
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node := &blockNode{height: 2} //Fake node
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cbOutpoint := wire.OutPoint{Hash: cbTx.TxHash(), Index: 0}
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tx := wire.NewMsgTx(wire.TxVersion)
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tx.AddTxIn(&wire.TxIn{
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PreviousOutPoint: cbOutpoint,
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SignatureScript: nil,
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Sequence: wire.MaxTxInSequenceNum,
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})
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tx.AddTxOut(&wire.TxOut{
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PkScript: OpTrueScript,
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Value: uint64(1),
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})
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diff, err := fus.diffFromTx(tx, node)
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if err != nil {
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t.Errorf("diffFromTx: %v", err)
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}
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if !reflect.DeepEqual(diff.toAdd, utxoCollection{
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wire.OutPoint{Hash: tx.TxHash(), Index: 0}: NewUTXOEntry(tx.TxOut[0], false, 2),
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}) {
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t.Errorf("diff.toAdd doesn't have the expected values")
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}
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|
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if !reflect.DeepEqual(diff.toRemove, utxoCollection{
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wire.OutPoint{Hash: cbTx.TxHash(), Index: 0}: NewUTXOEntry(cbTx.TxOut[0], true, 1),
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}) {
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t.Errorf("diff.toRemove doesn't have the expected values")
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}
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|
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//Test that we get an error if we don't have the outpoint inside the utxo set
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invalidTx := wire.NewMsgTx(wire.TxVersion)
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invalidTx.AddTxIn(&wire.TxIn{
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|
PreviousOutPoint: wire.OutPoint{Hash: daghash.Hash{}, Index: 0},
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|
SignatureScript: nil,
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|
Sequence: wire.MaxTxInSequenceNum,
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|
})
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|
invalidTx.AddTxOut(&wire.TxOut{
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|
PkScript: OpTrueScript,
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|
Value: uint64(1),
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|
})
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|
_, err = fus.diffFromTx(invalidTx, node)
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|
if err == nil {
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t.Errorf("diffFromTx: expected an error but got <nil>")
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|
}
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|
|
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//Test that we get an error if the outpoint is inside diffUTXOSet's toRemove
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|
dus := NewDiffUTXOSet(fus, &UTXODiff{
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toAdd: utxoCollection{},
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|
toRemove: utxoCollection{},
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|
})
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|
dus.AddTx(tx, 2)
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_, err = dus.diffFromTx(tx, node)
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|
if err == nil {
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|
t.Errorf("diffFromTx: expected an error but got <nil>")
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|
}
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|
}
|
|
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// collection returns a collection of all UTXOs in this set
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|
func (fus *FullUTXOSet) collection() utxoCollection {
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return fus.utxoCollection.clone()
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|
}
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|
|
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// collection returns a collection of all UTXOs in this set
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|
func (dus *DiffUTXOSet) collection() utxoCollection {
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|
clone := dus.clone().(*DiffUTXOSet)
|
|
clone.meldToBase()
|
|
|
|
return clone.base.collection()
|
|
}
|