1 files changed, 0 insertions, 200 deletions
diff --git a/chain/filter.go b/chain/filter.go
deleted file mode 100644
index bb8db38a5..000000000
--- a/chain/filter.go
+++ /dev/null
@@ -1,200 +0,0 @@
-package chain
-
-import (
-	"bytes"
-	"math"
-	"math/big"
-
-	"github.com/ethereum/go-ethereum/chain/types"
-	"github.com/ethereum/go-ethereum/ethutil"
-	"github.com/ethereum/go-ethereum/state"
-)
-
-type AccountChange struct {
-	Address, StateAddress []byte
-}
-
-// Filtering interface
-type Filter struct {
-	eth      EthManager
-	earliest int64
-	latest   int64
-	skip     int
-	from, to [][]byte
-	max      int
-
-	Altered []AccountChange
-
-	BlockCallback   func(*types.Block)
-	MessageCallback func(state.Messages)
-}
-
-// Create a new filter which uses a bloom filter on blocks to figure out whether a particular block
-// is interesting or not.
-func NewFilter(eth EthManager) *Filter {
-	return &Filter{eth: eth}
-}
-
-func (self *Filter) AddAltered(address, stateAddress []byte) {
-	self.Altered = append(self.Altered, AccountChange{address, stateAddress})
-}
-
-// Set the earliest and latest block for filtering.
-// -1 = latest block (i.e., the current block)
-// hash = particular hash from-to
-func (self *Filter) SetEarliestBlock(earliest int64) {
-	self.earliest = earliest
-}
-
-func (self *Filter) SetLatestBlock(latest int64) {
-	self.latest = latest
-}
-
-func (self *Filter) SetFrom(addr [][]byte) {
-	self.from = addr
-}
-
-func (self *Filter) AddFrom(addr []byte) {
-	self.from = append(self.from, addr)
-}
-
-func (self *Filter) SetTo(addr [][]byte) {
-	self.to = addr
-}
-
-func (self *Filter) AddTo(addr []byte) {
-	self.to = append(self.to, addr)
-}
-
-func (self *Filter) SetMax(max int) {
-	self.max = max
-}
-
-func (self *Filter) SetSkip(skip int) {
-	self.skip = skip
-}
-
-// Run filters messages with the current parameters set
-func (self *Filter) Find() []*state.Message {
-	var earliestBlockNo uint64 = uint64(self.earliest)
-	if self.earliest == -1 {
-		earliestBlockNo = self.eth.ChainManager().CurrentBlock.Number.Uint64()
-	}
-	var latestBlockNo uint64 = uint64(self.latest)
-	if self.latest == -1 {
-		latestBlockNo = self.eth.ChainManager().CurrentBlock.Number.Uint64()
-	}
-
-	var (
-		messages []*state.Message
-		block    = self.eth.ChainManager().GetBlockByNumber(latestBlockNo)
-		quit     bool
-	)
-	for i := 0; !quit && block != nil; i++ {
-		// Quit on latest
-		switch {
-		case block.Number.Uint64() == earliestBlockNo, block.Number.Uint64() == 0:
-			quit = true
-		case self.max <= len(messages):
-			break
-		}
-
-		// Use bloom filtering to see if this block is interesting given the
-		// current parameters
-		if self.bloomFilter(block) {
-			// Get the messages of the block
-			msgs, err := self.eth.BlockManager().GetMessages(block)
-			if err != nil {
-				chainlogger.Warnln("err: filter get messages ", err)
-
-				break
-			}
-
-			messages = append(messages, self.FilterMessages(msgs)...)
-		}
-
-		block = self.eth.ChainManager().GetBlock(block.PrevHash)
-	}
-
-	skip := int(math.Min(float64(len(messages)), float64(self.skip)))
-
-	return messages[skip:]
-}
-
-func includes(addresses [][]byte, a []byte) (found bool) {
-	for _, addr := range addresses {
-		if bytes.Compare(addr, a) == 0 {
-			return true
-		}
-	}
-
-	return
-}
-
-func (self *Filter) FilterMessages(msgs []*state.Message) []*state.Message {
-	var messages []*state.Message
-
-	// Filter the messages for interesting stuff
-	for _, message := range msgs {
-		if len(self.to) > 0 && !includes(self.to, message.To) {
-			continue
-		}
-
-		if len(self.from) > 0 && !includes(self.from, message.From) {
-			continue
-		}
-
-		var match bool
-		if len(self.Altered) == 0 {
-			match = true
-		}
-
-		for _, accountChange := range self.Altered {
-			if len(accountChange.Address) > 0 && bytes.Compare(message.To, accountChange.Address) != 0 {
-				continue
-			}
-
-			if len(accountChange.StateAddress) > 0 && !includes(message.ChangedAddresses, accountChange.StateAddress) {
-				continue
-			}
-
-			match = true
-			break
-		}
-
-		if !match {
-			continue
-		}
-
-		messages = append(messages, message)
-	}
-
-	return messages
-}
-
-func (self *Filter) bloomFilter(block *types.Block) bool {
-	var fromIncluded, toIncluded bool
-	if len(self.from) > 0 {
-		for _, from := range self.from {
-			if types.BloomLookup(block.LogsBloom, from) || bytes.Equal(block.Coinbase, from) {
-				fromIncluded = true
-				break
-			}
-		}
-	} else {
-		fromIncluded = true
-	}
-
-	if len(self.to) > 0 {
-		for _, to := range self.to {
-			if types.BloomLookup(block.LogsBloom, ethutil.U256(new(big.Int).Add(ethutil.Big1, ethutil.BigD(to))).Bytes()) || bytes.Equal(block.Coinbase, to) {
-				toIncluded = true
-				break
-			}
-		}
-	} else {
-		toIncluded = true
-	}
-
-	return fromIncluded && toIncluded
-}