func assertAddrIndexTipIsUpdated(db database.Db, t *testing.T, newestSha *wire.ShaHash, newestBlockIdx int32) {
// Safe to ignore error, since height will be < 0 in "error" case.
sha, height, _ := db.FetchAddrIndexTip()
if newestBlockIdx != height {
t.Fatalf("Height of address index tip failed to update, "+
"expected %v, got %v", newestBlockIdx, height)
}
if !bytes.Equal(newestSha.Bytes(), sha.Bytes()) {
t.Fatalf("Sha of address index tip failed to update, "+
"expected %v, got %v", newestSha, sha)
}
}
// testAddrIndexOperations ensures that all normal operations concerning
// the optional address index function correctly.
func testAddrIndexOperations(t *testing.T, db database.Db, newestBlock *btcutil.Block, newestSha *wire.ShaHash, newestBlockIdx int32) {
// Metadata about the current addr index state should be unset.
sha, height, err := db.FetchAddrIndexTip()
if err != database.ErrAddrIndexDoesNotExist {
t.Fatalf("Address index metadata shouldn't be in db, hasn't been built up yet.")
}
var zeroHash wire.ShaHash
if !sha.IsEqual(&zeroHash) {
t.Fatalf("AddrIndexTip wrong hash got: %s, want %s", sha, &zeroHash)
}
if height != -1 {
t.Fatalf("Addrindex not built up, yet a block index tip has been set to: %d.", height)
}
// Test enforcement of constraints for "limit" and "skip"
var fakeAddr btcutil.Address
_, err = db.FetchTxsForAddr(fakeAddr, -1, 0)
if err == nil {
t.Fatalf("Negative value for skip passed, should return an error")
}
_, err = db.FetchTxsForAddr(fakeAddr, 0, -1)
if err == nil {
t.Fatalf("Negative value for limit passed, should return an error")
}
// Simple test to index outputs(s) of the first tx.
testIndex := make(database.BlockAddrIndex)
testTx, err := newestBlock.Tx(0)
if err != nil {
t.Fatalf("Block has no transactions, unable to test addr "+
"indexing, err %v", err)
}
// Extract the dest addr from the tx.
_, testAddrs, _, err := txscript.ExtractPkScriptAddrs(testTx.MsgTx().TxOut[0].PkScript, &chaincfg.MainNetParams)
if err != nil {
t.Fatalf("Unable to decode tx output, err %v", err)
}
// Extract the hash160 from the output script.
var hash160Bytes [ripemd160.Size]byte
testHash160 := testAddrs[0].(*btcutil.AddressPubKey).AddressPubKeyHash().ScriptAddress()
copy(hash160Bytes[:], testHash160[:])
// Create a fake index.
blktxLoc, _ := newestBlock.TxLoc()
testIndex[hash160Bytes] = []*wire.TxLoc{&blktxLoc[0]}
// Insert our test addr index into the DB.
err = db.UpdateAddrIndexForBlock(newestSha, newestBlockIdx, testIndex)
if err != nil {
t.Fatalf("UpdateAddrIndexForBlock: failed to index"+
" addrs for block #%d (%s) "+
"err %v", newestBlockIdx, newestSha, err)
}
// Chain Tip of address should've been updated.
assertAddrIndexTipIsUpdated(db, t, newestSha, newestBlockIdx)
// Check index retrieval.
txReplies, err := db.FetchTxsForAddr(testAddrs[0], 0, 1000)
if err != nil {
t.Fatalf("FetchTxsForAddr failed to correctly fetch txs for an "+
"address, err %v", err)
}
// Should have one reply.
if len(txReplies) != 1 {
t.Fatalf("Failed to properly index tx by address.")
}
// Our test tx and indexed tx should have the same sha.
indexedTx := txReplies[0]
if !bytes.Equal(indexedTx.Sha.Bytes(), testTx.Sha().Bytes()) {
t.Fatalf("Failed to fetch proper indexed tx. Expected sha %v, "+
"fetched %v", testTx.Sha(), indexedTx.Sha)
}
// Shut down DB.
db.Sync()
db.Close()
// Re-Open, tip still should be updated to current height and sha.
db, err = database.OpenDB("leveldb", "tstdbopmode")
if err != nil {
t.Fatalf("Unable to re-open created db, err %v", err)
}
assertAddrIndexTipIsUpdated(db, t, newestSha, newestBlockIdx)
// Delete the entire index.
err = db.DeleteAddrIndex()
if err != nil {
t.Fatalf("Couldn't delete address index, err %v", err)
}
// Former index should no longer exist.
txReplies, err = db.FetchTxsForAddr(testAddrs[0], 0, 1000)
if err != nil {
t.Fatalf("Unable to fetch transactions for address: %v", err)
}
if len(txReplies) != 0 {
t.Fatalf("Address index was not successfully deleted. "+
"Should have 0 tx's indexed, %v were returned.",
len(txReplies))
}
// Tip should be blanked out.
if _, _, err := db.FetchAddrIndexTip(); err != database.ErrAddrIndexDoesNotExist {
t.Fatalf("Address index was not fully deleted.")
}
}