func (self *Filter) mipFind(start, end uint64, depth int) (logs vm.Logs) {
level := core.MIPMapLevels[depth]
// normalise numerator so we can work in level specific batches and
// work with the proper range checks
for num := start / level * level; num <= end; num += level {
// find addresses in bloom filters
bloom := core.GetMipmapBloom(self.db, num, level)
for _, addr := range self.addresses {
if bloom.TestBytes(addr[:]) {
// range check normalised values and make sure that
// we're resolving the correct range instead of the
// normalised values.
start := uint64(math.Max(float64(num), float64(start)))
end := uint64(math.Min(float64(num+level-1), float64(end)))
if depth+1 == len(core.MIPMapLevels) {
logs = append(logs, self.getLogs(start, end)...)
} else {
logs = append(logs, self.mipFind(start, end, depth+1)...)
}
// break so we don't check the same range for each
// possible address. Checks on multiple addresses
// are handled further down the stack.
break
}
}
}
return logs
}
func TestMipmapUpgrade(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
addr := common.BytesToAddress([]byte("jeff"))
genesis := core.WriteGenesisBlockForTesting(db)
chain, receipts := core.GenerateChain(nil, genesis, db, 10, func(i int, gen *core.BlockGen) {
var receipts types.Receipts
switch i {
case 1:
receipt := types.NewReceipt(nil, new(big.Int))
receipt.Logs = vm.Logs{&vm.Log{Address: addr}}
gen.AddUncheckedReceipt(receipt)
receipts = types.Receipts{receipt}
case 2:
receipt := types.NewReceipt(nil, new(big.Int))
receipt.Logs = vm.Logs{&vm.Log{Address: addr}}
gen.AddUncheckedReceipt(receipt)
receipts = types.Receipts{receipt}
}
// store the receipts
err := core.WriteReceipts(db, receipts)
if err != nil {
t.Fatal(err)
}
})
for i, block := range chain {
core.WriteBlock(db, block)
if err := core.WriteCanonicalHash(db, block.Hash(), block.NumberU64()); err != nil {
t.Fatalf("failed to insert block number: %v", err)
}
if err := core.WriteHeadBlockHash(db, block.Hash()); err != nil {
t.Fatalf("failed to insert block number: %v", err)
}
if err := core.WriteBlockReceipts(db, block.Hash(), receipts[i]); err != nil {
t.Fatal("error writing block receipts:", err)
}
}
err := addMipmapBloomBins(db)
if err != nil {
t.Fatal(err)
}
bloom := core.GetMipmapBloom(db, 1, core.MIPMapLevels[0])
if (bloom == types.Bloom{}) {
t.Error("got empty bloom filter")
}
data, _ := db.Get([]byte("setting-mipmap-version"))
if len(data) == 0 {
t.Error("setting-mipmap-version not written to database")
}
}