dcrd/database/interface_test.go
John C. Vernaleo 5076a00512 Initial Decred Commit.
Includes work by cjepson, ay-p, jolan, and jcv.

Initial conceptual framework by tacotime.
2016-02-07 14:00:12 -05:00

1047 lines
30 KiB
Go

// Copyright (c) 2013-2014 The btcsuite developers
// Copyright (c) 2015 The Decred developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package database_test
import (
"reflect"
"testing"
"github.com/davecgh/go-spew/spew"
"github.com/decred/dcrd/chaincfg/chainhash"
"github.com/decred/dcrd/database"
"github.com/decred/dcrd/wire"
"github.com/decred/dcrutil"
)
// testContext is used to store context information about a running test which
// is passed into helper functions. The useSpends field indicates whether or
// not the spend data should be empty or figure it out based on the specific
// test blocks provided. This is needed because the first loop where the blocks
// are inserted, the tests are running against the latest block and therefore
// none of the outputs can be spent yet. However, on subsequent runs, all
// blocks have been inserted and therefore some of the transaction outputs are
// spent.
type testContext struct {
t *testing.T
dbType string
db database.Db
blockHeight int64
blockHash *chainhash.Hash
block *dcrutil.Block
useSpends bool
}
// testInsertBlock ensures InsertBlock conforms to the interface contract.
func testInsertBlock(tc *testContext) bool {
// The block must insert without any errors.
newHeight, err := tc.db.InsertBlock(tc.block)
if err != nil {
tc.t.Errorf("InsertBlock (%s): failed to insert block #%d (%s) "+
"err %v", tc.dbType, tc.blockHeight, tc.blockHash, err)
return false
}
// The returned height must be the expected value.
if newHeight != tc.blockHeight {
tc.t.Errorf("InsertBlock (%s): height mismatch got: %v, "+
"want: %v", tc.dbType, newHeight, tc.blockHeight)
return false
}
return true
}
// testNewestSha ensures the NewestSha returns the values expected by the
// interface contract.
func testNewestSha(tc *testContext) bool {
// The news block hash and height must be returned without any errors.
sha, height, err := tc.db.NewestSha()
if err != nil {
tc.t.Errorf("NewestSha (%s): block #%d (%s) error %v",
tc.dbType, tc.blockHeight, tc.blockHash, err)
return false
}
// The returned hash must be the expected value.
if !sha.IsEqual(tc.blockHash) {
tc.t.Errorf("NewestSha (%s): block #%d (%s) wrong hash got: %s",
tc.dbType, tc.blockHeight, tc.blockHash, sha)
return false
}
// The returned height must be the expected value.
if height != tc.blockHeight {
tc.t.Errorf("NewestSha (%s): block #%d (%s) wrong height "+
"got: %d", tc.dbType, tc.blockHeight, tc.blockHash,
height)
return false
}
return true
}
// testExistsSha ensures ExistsSha conforms to the interface contract.
func testExistsSha(tc *testContext) bool {
// The block must exist in the database.
exists, err := tc.db.ExistsSha(tc.blockHash)
if err != nil {
tc.t.Errorf("ExistsSha (%s): block #%d (%s) unexpected error: "+
"%v", tc.dbType, tc.blockHeight, tc.blockHash, err)
return false
}
if !exists {
tc.t.Errorf("ExistsSha (%s): block #%d (%s) does not exist",
tc.dbType, tc.blockHeight, tc.blockHash)
return false
}
return true
}
// testFetchBlockBySha ensures FetchBlockBySha conforms to the interface
// contract.
func testFetchBlockBySha(tc *testContext) bool {
// The block must be fetchable by its hash without any errors.
blockFromDb, err := tc.db.FetchBlockBySha(tc.blockHash)
if err != nil {
tc.t.Errorf("FetchBlockBySha (%s): block #%d (%s) err: %v",
tc.dbType, tc.blockHeight, tc.blockHash, err)
return false
}
// The block fetched from the database must give back the same MsgBlock
// and raw bytes that were stored.
if !reflect.DeepEqual(tc.block.MsgBlock(), blockFromDb.MsgBlock()) {
tc.t.Errorf("FetchBlockBySha (%s): block #%d (%s) does not "+
"match stored block\ngot: %v\nwant: %v", tc.dbType,
tc.blockHeight, tc.blockHash,
spew.Sdump(blockFromDb.MsgBlock()),
spew.Sdump(tc.block.MsgBlock()))
return false
}
blockBytes, err := tc.block.Bytes()
if err != nil {
tc.t.Errorf("block.Bytes: %v", err)
return false
}
blockFromDbBytes, err := blockFromDb.Bytes()
if err != nil {
tc.t.Errorf("blockFromDb.Bytes: %v", err)
return false
}
if !reflect.DeepEqual(blockBytes, blockFromDbBytes) {
tc.t.Errorf("FetchBlockBySha (%s): block #%d (%s) bytes do "+
"not match stored bytes\ngot: %v\nwant: %v", tc.dbType,
tc.blockHeight, tc.blockHash,
spew.Sdump(blockFromDbBytes), spew.Sdump(blockBytes))
return false
}
return true
}
// testFetchBlockHeightBySha ensures FetchBlockHeightBySha conforms to the
// interface contract.
func testFetchBlockHeightBySha(tc *testContext) bool {
// The block height must be fetchable by its hash without any errors.
blockHeight, err := tc.db.FetchBlockHeightBySha(tc.blockHash)
if err != nil {
tc.t.Errorf("FetchBlockHeightBySha (%s): block #%d (%s) err: %v",
tc.dbType, tc.blockHeight, tc.blockHash, err)
return false
}
// The block height fetched from the database must match the expected
// height.
if blockHeight != tc.blockHeight {
tc.t.Errorf("FetchBlockHeightBySha (%s): block #%d (%s) height "+
"does not match expected value - got: %v", tc.dbType,
tc.blockHeight, tc.blockHash, blockHeight)
return false
}
return true
}
// testFetchBlockHeaderBySha ensures FetchBlockHeaderBySha conforms to the
// interface contract.
func testFetchBlockHeaderBySha(tc *testContext) bool {
// The block header must be fetchable by its hash without any errors.
blockHeader, err := tc.db.FetchBlockHeaderBySha(tc.blockHash)
if err != nil {
tc.t.Errorf("FetchBlockHeaderBySha (%s): block #%d (%s) err: %v",
tc.dbType, tc.blockHeight, tc.blockHash, err)
return false
}
// The block header fetched from the database must give back the same
// BlockHeader that was stored.
if !reflect.DeepEqual(&tc.block.MsgBlock().Header, blockHeader) {
tc.t.Errorf("FetchBlockHeaderBySha (%s): block header #%d (%s) "+
" does not match stored block\ngot: %v\nwant: %v",
tc.dbType, tc.blockHeight, tc.blockHash,
spew.Sdump(blockHeader),
spew.Sdump(&tc.block.MsgBlock().Header))
return false
}
return true
}
// testFetchBlockShaByHeight ensures FetchBlockShaByHeight conforms to the
// interface contract.
func testFetchBlockShaByHeight(tc *testContext) bool {
// The hash returned for the block by its height must be the expected
// value.
hashFromDb, err := tc.db.FetchBlockShaByHeight(tc.blockHeight)
if err != nil {
tc.t.Errorf("FetchBlockShaByHeight (%s): block #%d (%s) err: %v",
tc.dbType, tc.blockHeight, tc.blockHash, err)
return false
}
if !hashFromDb.IsEqual(tc.blockHash) {
tc.t.Errorf("FetchBlockShaByHeight (%s): block #%d (%s) hash "+
"does not match expected value - got: %v", tc.dbType,
tc.blockHeight, tc.blockHash, hashFromDb)
return false
}
return true
}
func testFetchBlockShaByHeightErrors(tc *testContext) bool {
// Invalid heights must error and return a nil hash.
tests := []int64{-1, tc.blockHeight + 1, tc.blockHeight + 2}
for i, wantHeight := range tests {
hashFromDb, err := tc.db.FetchBlockShaByHeight(wantHeight)
if err == nil {
tc.t.Errorf("FetchBlockShaByHeight #%d (%s): did not "+
"return error on invalid index: %d - got: %v, "+
"want: non-nil", i, tc.dbType, wantHeight, err)
return false
}
if hashFromDb != nil {
tc.t.Errorf("FetchBlockShaByHeight #%d (%s): returned "+
"hash is not nil on invalid index: %d - got: "+
"%v, want: nil", i, tc.dbType, wantHeight, err)
return false
}
}
return true
}
// testExistsTxSha ensures ExistsTxSha conforms to the interface contract.
func testExistsTxSha(tc *testContext) bool {
var blockPrev *dcrutil.Block = nil
// Decred: WARNING. This function assumes that all block insertion calls have
// dcrutil.blocks passed to them with block.blockHeight set correctly. However,
// loading the genesis block in dcrd didn't do this (via block manager); pre-
// production it should be established that all calls to this function pass
// blocks with block.blockHeight set correctly.
if tc.block.Height() != 0 {
var errBlockPrev error
blockPrev, errBlockPrev = tc.db.FetchBlockBySha(&tc.block.MsgBlock().Header.PrevBlock)
if errBlockPrev != nil {
blockSha := tc.block.Sha()
tc.t.Errorf("Failed to fetch parent block of block %v", blockSha)
}
}
votebits := tc.block.MsgBlock().Header.VoteBits
if dcrutil.IsFlagSet16(votebits, dcrutil.BlockValid) && blockPrev != nil {
for i, tx := range blockPrev.Transactions() {
// The transaction must exist in the database.
txHash := tx.Sha()
exists, err := tc.db.ExistsTxSha(txHash)
if err != nil {
tc.t.Errorf("ExistsTxSha (%s): block #%d (%s) tx #%d "+
"(%s) unexpected error: %v", tc.dbType,
tc.blockHeight, tc.blockHash, i, txHash, err)
return false
}
if !exists {
_, err := tc.db.FetchTxBySha(txHash)
if err != nil {
tc.t.Errorf("ExistsTxSha (%s): block #%d (%s) "+
"tx #%d (%s) does not exist", tc.dbType,
tc.blockHeight, tc.blockHash, i, txHash)
}
return false
}
}
}
return true
}
// testFetchTxBySha ensures FetchTxBySha conforms to the interface contract.
func testFetchTxBySha(tc *testContext) bool {
var blockPrev *dcrutil.Block = nil
if tc.block.Height() != 0 {
var errBlockPrev error
blockPrev, errBlockPrev = tc.db.FetchBlockBySha(&tc.block.MsgBlock().Header.PrevBlock)
if errBlockPrev != nil {
blockSha := tc.block.Sha()
tc.t.Errorf("Failed to fetch parent block of block %v", blockSha)
}
}
votebits := tc.block.MsgBlock().Header.VoteBits
if dcrutil.IsFlagSet16(votebits, dcrutil.BlockValid) && blockPrev != nil {
for i, tx := range blockPrev.Transactions() {
txHash := tx.Sha()
txReplyList, err := tc.db.FetchTxBySha(txHash)
if err != nil {
tc.t.Errorf("FetchTxBySha (%s): block #%d (%s) "+
"tx #%d (%s) err: %v", tc.dbType, tc.blockHeight,
tc.blockHash, i, txHash, err)
return false
}
if len(txReplyList) == 0 {
tc.t.Errorf("FetchTxBySha (%s): block #%d (%s) "+
"tx #%d (%s) did not return reply data",
tc.dbType, tc.blockHeight, tc.blockHash, i,
txHash)
return false
}
txFromDb := txReplyList[len(txReplyList)-1].Tx
if !reflect.DeepEqual(tx.MsgTx(), txFromDb) {
tc.t.Errorf("FetchTxBySha (%s): block #%d (%s) "+
"tx #%d (%s, %s) does not match stored tx\n"+
"got: %v\nwant: %v", tc.dbType, tc.blockHeight,
tc.blockHash, i, txHash, txFromDb.TxSha(), spew.Sdump(txFromDb),
spew.Sdump(tx.MsgTx()))
return false
}
}
}
for i, tx := range tc.block.MsgBlock().STransactions {
txHash := tx.TxSha()
txReplyList, err := tc.db.FetchTxBySha(&txHash)
if err != nil {
tc.t.Errorf("FetchTxBySha (%s): block #%d (%s) "+
"sstx #%d (%s) err: %v", tc.dbType, tc.blockHeight,
tc.blockHash, i, txHash, err)
return false
}
if len(txReplyList) == 0 {
tc.t.Errorf("FetchTxBySha (%s): block #%d (%s) "+
"sstx #%d (%s) did not return reply data",
tc.dbType, tc.blockHeight, tc.blockHash, i,
txHash)
return false
}
txFromDb := txReplyList[len(txReplyList)-1].Tx
if !reflect.DeepEqual(tx, txFromDb) {
tc.t.Errorf("FetchTxBySha (%s): block #%d (%s) "+
"sstx #%d (%s) does not match stored sstx\n"+
"got: %v\nwant: %v", tc.dbType, tc.blockHeight,
tc.blockHash, i, txHash, spew.Sdump(txFromDb),
spew.Sdump(tx))
return false
}
}
return true
}
// expectedSpentBuf returns the expected transaction spend information depending
// on the block height and and transaction number. NOTE: These figures are
// only valid for the specific set of test data provided at the time these tests
// were written. In particular, this means the first 256 blocks of the mainnet
// block chain.
//
// The first run through while the blocks are still being inserted, the tests
// are running against the latest block and therefore none of the outputs can
// be spent yet. However, on subsequent runs, all blocks have been inserted and
// therefore some of the transaction outputs are spent.
func expectedSpentBuf(tc *testContext, txNum int) []bool {
var blah = []bool{false}
var blockPrev *dcrutil.Block = nil
if tc.block.Height() != 0 {
var errBlockPrev error
blockPrev, errBlockPrev = tc.db.FetchBlockBySha(&tc.block.MsgBlock().Header.PrevBlock)
if errBlockPrev != nil {
blockSha := tc.block.Sha()
tc.t.Errorf("Failed to fetch parent block of block %v", blockSha)
return blah
}
}
transactions := blockPrev.Transactions()
numTxOut := len(transactions[txNum].MsgTx().TxOut)
spentBuf := make([]bool, numTxOut)
if tc.useSpends {
if tc.blockHeight >= 2 && tc.blockHeight <= 43 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 45 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 46 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 48 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 49 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 54 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 55 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 57 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 59 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 63 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 67 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 68 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 69 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 70 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 73 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 74 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 76 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 77 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight >= 105 && tc.blockHeight <= 120 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 122 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 125 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 127 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 131 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 132 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 134 && txNum == 0 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
}
if tc.blockHeight == 44 && txNum == 1 {
spentBuf[0] = true
spentBuf[1] = true
spentBuf[2] = true
spentBuf[3] = true
spentBuf[4] = false
spentBuf[5] = true
}
if tc.blockHeight == 60 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = true
spentBuf[2] = false
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = false
}
if tc.blockHeight == 75 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = true
}
if tc.blockHeight == 78 && txNum == 2 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = true
}
if tc.blockHeight == 79 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = true
spentBuf[2] = false
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = false
}
if tc.blockHeight == 89 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = false
}
if tc.blockHeight == 90 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = true
}
if tc.blockHeight == 93 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = true
}
if tc.blockHeight == 95 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = false
}
if tc.blockHeight == 97 && txNum == 3 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = true
spentBuf[4] = false
spentBuf[5] = false
}
if tc.blockHeight == 99 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = true
spentBuf[4] = false
spentBuf[5] = false
}
if tc.blockHeight == 101 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = true
}
if tc.blockHeight == 103 && txNum == 1 {
spentBuf[0] = true
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = false
}
if tc.blockHeight == 106 && txNum == 1 {
spentBuf[0] = true
spentBuf[1] = true
spentBuf[2] = true
spentBuf[3] = true
spentBuf[4] = true
spentBuf[5] = false
}
if tc.blockHeight == 111 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = true
}
if tc.blockHeight == 113 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = false
spentBuf[4] = true
spentBuf[5] = false
}
if tc.blockHeight == 113 && txNum == 2 {
spentBuf[0] = true
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = true
}
if tc.blockHeight == 117 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
spentBuf[3] = false
spentBuf[4] = false
spentBuf[5] = false
}
if tc.blockHeight == 122 && txNum == 1 {
spentBuf[0] = true
spentBuf[1] = true
spentBuf[2] = true
spentBuf[3] = false
spentBuf[4] = true
spentBuf[5] = true
}
if tc.blockHeight == 131 && txNum == 1 {
spentBuf[0] = true
spentBuf[1] = false
spentBuf[2] = true
spentBuf[3] = true
spentBuf[4] = true
spentBuf[5] = true
}
if tc.blockHeight == 135 && txNum == 1 {
spentBuf[0] = true
spentBuf[1] = true
spentBuf[2] = true
spentBuf[3] = true
spentBuf[4] = true
spentBuf[5] = false
}
if tc.blockHeight == 141 && txNum == 1 {
spentBuf[0] = true
spentBuf[1] = true
spentBuf[2] = true
spentBuf[3] = true
spentBuf[4] = false
spentBuf[5] = true
}
if tc.blockHeight == 142 && txNum == 1 {
spentBuf[0] = true
spentBuf[1] = true
spentBuf[2] = false
spentBuf[3] = true
spentBuf[4] = true
spentBuf[5] = true
}
if tc.blockHeight == 145 && txNum == 1 {
spentBuf[0] = true
spentBuf[1] = false
spentBuf[2] = true
spentBuf[3] = true
spentBuf[4] = true
spentBuf[5] = true
}
if tc.blockHeight == 146 && txNum == 1 {
spentBuf[0] = true
spentBuf[1] = false
spentBuf[2] = false
spentBuf[3] = true
spentBuf[4] = false
spentBuf[5] = true
}
if tc.blockHeight == 146 && txNum == 2 {
spentBuf[0] = true
spentBuf[1] = true
spentBuf[2] = true
spentBuf[3] = true
spentBuf[4] = false
spentBuf[5] = true
}
if tc.blockHeight == 147 && txNum == 1 {
spentBuf[0] = false
spentBuf[1] = false
spentBuf[2] = true
spentBuf[3] = false
spentBuf[4] = true
spentBuf[5] = false
}
}
return spentBuf
}
// unspendStakeTxTree returns all outpoints spent before this one
// in the block's tx tree stake. used for unspending the stake tx
// tree to evaluate tx tree regular of prev block.
func unspendStakeTxTree(block *dcrutil.Block) map[wire.OutPoint]struct{} {
unspentOps := make(map[wire.OutPoint]struct{})
for _, tx := range block.STransactions() {
for _, txIn := range tx.MsgTx().TxIn {
unspentOps[txIn.PreviousOutPoint] = struct{}{}
}
}
return unspentOps
}
func testFetchTxByShaListCommon(tc *testContext, includeSpent bool) bool {
var blockPrev *dcrutil.Block = nil
if tc.block.Height() != 0 {
var errBlockPrev error
blockPrev, errBlockPrev = tc.db.FetchBlockBySha(&tc.block.MsgBlock().Header.PrevBlock)
if errBlockPrev != nil {
blockSha := tc.block.Sha()
tc.t.Errorf("Failed to fetch parent block of block %v", blockSha)
}
}
unspentFromTxTreeStake := unspendStakeTxTree(tc.block)
votebits := tc.block.MsgBlock().Header.VoteBits
if dcrutil.IsFlagSet16(votebits, dcrutil.BlockValid) && blockPrev != nil {
fetchFunc := tc.db.FetchUnSpentTxByShaList
funcName := "FetchUnSpentTxByShaList"
if includeSpent {
fetchFunc = tc.db.FetchTxByShaList
funcName = "FetchTxByShaList"
}
transactions := blockPrev.Transactions()
txHashes := make([]*chainhash.Hash, len(transactions))
for i, tx := range transactions {
txHashes[i] = tx.Sha()
}
txReplyList := fetchFunc(txHashes)
if len(txReplyList) != len(txHashes) {
tc.t.Errorf("%s (%s): block #%d (%s) tx reply list does not "+
" match expected length - got: %v, want: %v", funcName,
tc.dbType, tc.blockHeight, tc.blockHash,
len(txReplyList), len(txHashes))
return false
}
for i, tx := range transactions {
txHash := tx.Sha()
txD := txReplyList[i]
// The transaction hash in the reply must be the expected value.
if !txD.Sha.IsEqual(txHash) {
tc.t.Errorf("%s (%s): block #%d (%s) tx #%d (%s) "+
"hash does not match expected value - got %v",
funcName, tc.dbType, tc.blockHeight,
tc.blockHash, i, txHash, txD.Sha)
return false
}
// The reply must not indicate any errors.
if txD.Err != nil {
tc.t.Errorf("%s (%s): block #%d (%s) tx #%d (%s) "+
"returned unexpected error - got %v, want nil",
funcName, tc.dbType, tc.blockHeight,
tc.blockHash, i, txHash, txD.Err)
return false
}
// The transaction in the reply fetched from the database must
// be the same MsgTx that was stored.
if !reflect.DeepEqual(tx.MsgTx(), txD.Tx) {
tc.t.Errorf("%s (%s): block #%d (%s) tx #%d (%s) does "+
"not match stored tx\ngot: %v\nwant: %v",
funcName, tc.dbType, tc.blockHeight,
tc.blockHash, i, txHash, spew.Sdump(txD.Tx),
spew.Sdump(tx.MsgTx()))
return false
}
// The block hash in the reply from the database must be the
// expected value.
if txD.BlkSha == nil {
tc.t.Errorf("%s (%s): block #%d (%s) tx #%d (%s) "+
"returned nil block hash", funcName, tc.dbType,
tc.blockHeight, tc.blockHash, i, txHash)
return false
}
if !txD.BlkSha.IsEqual(&tc.block.MsgBlock().Header.PrevBlock) {
tc.t.Errorf("%s (%s): block #%d (%s) tx #%d (%s)"+
"returned unexpected block hash - got %v",
funcName, tc.dbType, tc.blockHeight,
tc.blockHash, i, txHash, txD.BlkSha)
return false
}
// The block height in the reply from the database must be the
// expected value.
if txD.Height != tc.blockHeight-1 {
tc.t.Errorf("%s (%s): block #%d (%s) tx #%d (%s) "+
"returned unexpected block height - got %v",
funcName, tc.dbType, tc.blockHeight,
tc.blockHash, i, txHash, txD.Height)
return false
}
// The spend data in the reply from the database must not
// indicate any of the transactions that were just inserted are
// spent.
if txD.TxSpent == nil {
tc.t.Errorf("%s (%s): block #%d (%s) tx #%d (%s) "+
"returned nil spend data", funcName, tc.dbType,
tc.blockHeight, tc.blockHash, i, txHash)
return false
}
spentBuf := expectedSpentBuf(tc, i)
if !reflect.DeepEqual(txD.TxSpent, spentBuf) {
stakeInChecksDontPass := false
for txoIdx, _ := range spentBuf {
if txD.TxSpent[txoIdx] != spentBuf[txoIdx] {
op := wire.OutPoint{
*txHash,
uint32(txoIdx),
dcrutil.TxTreeRegular,
}
if _, unspent := unspentFromTxTreeStake[op]; !unspent {
stakeInChecksDontPass = true
}
}
}
if stakeInChecksDontPass {
tc.t.Errorf("%s (%s): block #%d (%s) tx #%d (%s) "+
"returned unexpected spend data - got %v, "+
"want %v", funcName, tc.dbType, tc.blockHeight,
tc.blockHash, i, txHash, txD.TxSpent, spentBuf)
return false
}
}
}
}
return true
}
// testFetchTxByShaList ensures FetchTxByShaList conforms to the interface
// contract.
func testFetchTxByShaList(tc *testContext) bool {
return testFetchTxByShaListCommon(tc, true)
}
// testFetchUnSpentTxByShaList ensures FetchUnSpentTxByShaList conforms to the
// interface contract.
func testFetchUnSpentTxByShaList(tc *testContext) bool {
return testFetchTxByShaListCommon(tc, false)
}
// testIntegrity performs a series of tests against the interface functions
// which fetch and check for data existence.
func testIntegrity(tc *testContext) bool {
// The block must now exist in the database.
if !testExistsSha(tc) {
return false
}
// Loading the block back from the database must give back
// the same MsgBlock and raw bytes that were stored.
if !testFetchBlockBySha(tc) {
return false
}
// The height returned for the block given its hash must be the
// expected value
if !testFetchBlockHeightBySha(tc) {
return false
}
// Loading the header back from the database must give back
// the same BlockHeader that was stored.
if !testFetchBlockHeaderBySha(tc) {
return false
}
// The hash returned for the block by its height must be the
// expected value.
if !testFetchBlockShaByHeight(tc) {
return false
}
// All of the transactions in the block must now exist in the
// database.
if !testExistsTxSha(tc) {
return false
}
// Loading all of the transactions in the block back from the
// database must give back the same MsgTx that was stored.
if !testFetchTxBySha(tc) {
return false
}
// All of the transactions in the block must be fetchable via
// FetchTxByShaList and all of the list replies must have the
// expected values.
if !testFetchTxByShaList(tc) {
return false
}
// All of the transactions in the block must be fetchable via
// FetchUnSpentTxByShaList and all of the list replies must have
// the expected values.
if !testFetchUnSpentTxByShaList(tc) {
return false
}
return true
}
// testInterface tests performs tests for the various interfaces of the database
// package which require state in the database for the given database type.
func testInterface(t *testing.T, dbType string) {
db, teardown, err := setupDB(dbType, "interface")
if err != nil {
t.Errorf("Failed to create test database (%s) %v", dbType, err)
return
}
defer teardown()
// Load up a bunch of test blocks.
blocks, err := loadBlocks(t)
if err != nil {
t.Errorf("Unable to load blocks from test data %v: %v",
blockDataFile, err)
return
}
// Create a test context to pass around.
context := testContext{t: t, dbType: dbType, db: db}
t.Logf("Loaded %d blocks for testing %s", len(blocks), dbType)
for height := int64(0); height < int64(len(blocks)); height++ {
// Get the appropriate block and hash and update the test
// context accordingly.
block := blocks[height]
context.blockHeight = height
context.blockHash = block.Sha()
context.block = block
// The block must insert without any errors and return the
// expected height.
if !testInsertBlock(&context) {
return
}
// The NewestSha function must return the correct information
// about the block that was just inserted.
if !testNewestSha(&context) {
return
}
// The block must pass all data integrity tests which involve
// invoking all and testing the result of all interface
// functions which deal with fetch and checking for data
// existence.
if !testIntegrity(&context) {
return
}
if !testFetchBlockShaByHeightErrors(&context) {
return
}
}
// Run the data integrity tests again after all blocks have been
// inserted to ensure the spend tracking is working properly.
context.useSpends = true
for height := int64(0); height < int64(len(blocks)); height++ {
// Get the appropriate block and hash and update the
// test context accordingly.
block := blocks[height]
context.blockHeight = height
context.blockHash = block.Sha()
context.block = block
testIntegrity(&context)
}
// TODO(davec): Need to figure out how to handle the special checks
// required for the duplicate transactions allowed by blocks 91842 and
// 91880 on the main network due to the old miner + Satoshi client bug.
// TODO(davec): Add tests for error conditions:
/*
- Don't allow duplicate blocks
- Don't allow insertion of block that contains a transaction that
already exists unless the previous one is fully spent
- Don't allow block that has a duplicate transaction in itself
- Don't allow block which contains a tx that references a missing tx
- Don't allow block which contains a tx that references another tx
that comes after it in the same block
*/
// TODO(davec): Add tests for the following functions:
/*
- Close()
- DropAfterBlockBySha(*wire.ShaHash) (err error)
x ExistsSha(sha *wire.ShaHash) (exists bool)
x FetchBlockBySha(sha *wire.ShaHash) (blk *dcrutil.Block, err error)
x FetchBlockShaByHeight(height int64) (sha *wire.ShaHash, err error)
- FetchHeightRange(startHeight, endHeight int64) (rshalist []wire.ShaHash, err error)
x ExistsTxSha(sha *wire.ShaHash) (exists bool)
x FetchTxBySha(txsha *wire.ShaHash) ([]*TxListReply, error)
x FetchTxByShaList(txShaList []*wire.ShaHash) []*TxListReply
x FetchUnSpentTxByShaList(txShaList []*wire.ShaHash) []*TxListReply
x InsertBlock(block *dcrutil.Block) (height int64, err error)
x NewestSha() (sha *wire.ShaHash, height int64, err error)
- RollbackClose()
- Sync()
*/
}