kaspad/blockdag/accept_test.go
Ori Newman 3a4571d671
[NOD-965] Make LookupNode return boolean (#729)
* [NOD-965] Make dag.index.LookupNode return false if node is not found

* [NOD-965] Rename blockDAG->dag

* [NOD-965] Remove irrelevant test

* [NOD-965] Use bi.index's ok in LookupNode
2020-05-25 12:51:30 +03:00

108 lines
3.9 KiB
Go

package blockdag
import (
"errors"
"path/filepath"
"testing"
"github.com/kaspanet/kaspad/dagconfig"
)
func TestMaybeAcceptBlockErrors(t *testing.T) {
// Create a new database and DAG instance to run tests against.
dag, teardownFunc, err := DAGSetup("TestMaybeAcceptBlockErrors", true, Config{
DAGParams: &dagconfig.SimnetParams,
})
if err != nil {
t.Fatalf("TestMaybeAcceptBlockErrors: Failed to setup DAG instance: %v", err)
}
defer teardownFunc()
dag.TestSetCoinbaseMaturity(0)
// Test rejecting the block if its parents are missing
orphanBlockFile := "blk_3B.dat"
loadedBlocks, err := LoadBlocks(filepath.Join("testdata/", orphanBlockFile))
if err != nil {
t.Fatalf("TestMaybeAcceptBlockErrors: "+
"Error loading file '%s': %s\n", orphanBlockFile, err)
}
block := loadedBlocks[0]
err = dag.maybeAcceptBlock(block, BFNone)
if err == nil {
t.Errorf("TestMaybeAcceptBlockErrors: rejecting the block if its parents are missing: "+
"Expected: %s, got: <nil>", ErrParentBlockUnknown)
}
var ruleErr RuleError
if ok := errors.As(err, &ruleErr); !ok {
t.Errorf("TestMaybeAcceptBlockErrors: rejecting the block if its parents are missing: "+
"Expected RuleError but got %s", err)
} else if ruleErr.ErrorCode != ErrParentBlockUnknown {
t.Errorf("TestMaybeAcceptBlockErrors: rejecting the block if its parents are missing: "+
"Unexpected error code. Want: %s, got: %s", ErrParentBlockUnknown, ruleErr.ErrorCode)
}
// Test rejecting the block if its parents are invalid
blocksFile := "blk_0_to_4.dat"
blocks, err := LoadBlocks(filepath.Join("testdata/", blocksFile))
if err != nil {
t.Fatalf("TestMaybeAcceptBlockErrors: "+
"Error loading file '%s': %s\n", blocksFile, err)
}
// Add a valid block and mark it as invalid
block1 := blocks[1]
isOrphan, isDelayed, err := dag.ProcessBlock(block1, BFNone)
if err != nil {
t.Fatalf("TestMaybeAcceptBlockErrors: Valid block unexpectedly returned an error: %s", err)
}
if isDelayed {
t.Fatalf("TestMaybeAcceptBlockErrors: block 1 is too far in the future")
}
if isOrphan {
t.Fatalf("TestMaybeAcceptBlockErrors: incorrectly returned block 1 is an orphan")
}
blockNode1, ok := dag.index.LookupNode(block1.Hash())
if !ok {
t.Fatalf("block %s does not exist in the DAG", block1.Hash())
}
dag.index.SetStatusFlags(blockNode1, statusValidateFailed)
block2 := blocks[2]
err = dag.maybeAcceptBlock(block2, BFNone)
if err == nil {
t.Errorf("TestMaybeAcceptBlockErrors: rejecting the block if its parents are invalid: "+
"Expected: %s, got: <nil>", ErrInvalidAncestorBlock)
}
if ok := errors.As(err, &ruleErr); !ok {
t.Errorf("TestMaybeAcceptBlockErrors: rejecting the block if its parents are invalid: "+
"Expected RuleError but got %s", err)
} else if ruleErr.ErrorCode != ErrInvalidAncestorBlock {
t.Errorf("TestMaybeAcceptBlockErrors: rejecting the block if its parents are invalid: "+
"Unexpected error. Want: %s, got: %s", ErrInvalidAncestorBlock, ruleErr.ErrorCode)
}
// Set block1's status back to valid for next tests
dag.index.UnsetStatusFlags(blockNode1, statusValidateFailed)
// Test rejecting the block due to bad context
originalBits := block2.MsgBlock().Header.Bits
block2.MsgBlock().Header.Bits = 0
err = dag.maybeAcceptBlock(block2, BFNone)
if err == nil {
t.Errorf("TestMaybeAcceptBlockErrors: rejecting the block due to bad context: "+
"Expected: %s, got: <nil>", ErrUnexpectedDifficulty)
}
if ok := errors.As(err, &ruleErr); !ok {
t.Errorf("TestMaybeAcceptBlockErrors: rejecting the block due to bad context: "+
"Expected RuleError but got %s", err)
} else if ruleErr.ErrorCode != ErrUnexpectedDifficulty {
t.Errorf("TestMaybeAcceptBlockErrors: rejecting the block due to bad context: "+
"Unexpected error. Want: %s, got: %s", ErrUnexpectedDifficulty, ruleErr.ErrorCode)
}
// Set block2's bits back to valid for next tests
block2.MsgBlock().Header.Bits = originalBits
}