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Diffstat (limited to 'eth')
-rw-r--r--eth/api.go18
-rw-r--r--eth/downloader/downloader.go30
2 files changed, 37 insertions, 11 deletions
diff --git a/eth/api.go b/eth/api.go
index b4815caae..cfbafd79f 100644
--- a/eth/api.go
+++ b/eth/api.go
@@ -762,7 +762,7 @@ type RPCTransaction struct {
// newRPCPendingTransaction returns a pending transaction that will serialize to the RPC representation
func newRPCPendingTransaction(tx *types.Transaction) *RPCTransaction {
- from, _ := tx.From()
+ from, _ := tx.FromFrontier()
return &RPCTransaction{
From: from,
@@ -780,7 +780,7 @@ func newRPCPendingTransaction(tx *types.Transaction) *RPCTransaction {
func newRPCTransactionFromBlockIndex(b *types.Block, txIndex int) (*RPCTransaction, error) {
if txIndex >= 0 && txIndex < len(b.Transactions()) {
tx := b.Transactions()[txIndex]
- from, err := tx.From()
+ from, err := tx.FromFrontier()
if err != nil {
return nil, err
}
@@ -970,7 +970,7 @@ func (s *PublicTransactionPoolAPI) GetTransactionReceipt(txHash common.Hash) (ma
return nil, nil
}
- from, err := tx.From()
+ from, err := tx.FromFrontier()
if err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
return nil, nil
@@ -1084,7 +1084,7 @@ func (s *PublicTransactionPoolAPI) SendRawTransaction(encodedTx string) (string,
}
if tx.To() == nil {
- from, err := tx.From()
+ from, err := tx.FromFrontier()
if err != nil {
return "", err
}
@@ -1190,7 +1190,7 @@ type SignTransactionResult struct {
}
func newTx(t *types.Transaction) *Tx {
- from, _ := t.From()
+ from, _ := t.FromFrontier()
return &Tx{
tx: t,
To: t.To(),
@@ -1263,7 +1263,7 @@ func (s *PublicTransactionPoolAPI) PendingTransactions() ([]*RPCTransaction, err
pending := s.txPool.GetTransactions()
transactions := make([]*RPCTransaction, 0)
for _, tx := range pending {
- if from, _ := tx.From(); accountSet.Has(from) {
+ if from, _ := tx.FromFrontier(); accountSet.Has(from) {
transactions = append(transactions, newRPCPendingTransaction(tx))
}
}
@@ -1298,7 +1298,7 @@ func (s *PublicTransactionPoolAPI) NewPendingTransactions() (rpc.Subscription, e
}
tx := transaction.(core.TxPreEvent)
- if from, err := tx.Tx.From(); err == nil {
+ if from, err := tx.Tx.FromFrontier(); err == nil {
if accountSet.Has(from) {
return tx.Tx.Hash()
}
@@ -1315,7 +1315,7 @@ func (s *PublicTransactionPoolAPI) Resend(tx *Tx, gasPrice, gasLimit *rpc.HexNum
pending := s.txPool.GetTransactions()
for _, p := range pending {
- if pFrom, err := p.From(); err == nil && pFrom == tx.From && p.SigHash() == tx.tx.SigHash() {
+ if pFrom, err := p.FromFrontier(); err == nil && pFrom == tx.From && p.SigHash() == tx.tx.SigHash() {
if gasPrice == nil {
gasPrice = rpc.NewHexNumber(tx.tx.GasPrice())
}
@@ -1589,7 +1589,7 @@ func (s *PrivateDebugAPI) doReplayTransaction(txHash common.Hash) ([]vm.StructLo
return nil, nil, nil, err
}
- txFrom, err := tx.From()
+ txFrom, err := tx.FromFrontier()
if err != nil {
return nil, nil, nil, fmt.Errorf("Unable to create transaction sender")
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go
index 6dad6a2cd..de54bd859 100644
--- a/eth/downloader/downloader.go
+++ b/eth/downloader/downloader.go
@@ -571,8 +571,14 @@ func (d *Downloader) findAncestor61(p *peer) (uint64, error) {
// Check if a common ancestor was found
finished = true
for i := len(hashes) - 1; i >= 0; i-- {
+ // Skip any headers that underflow/overflow our requested set
+ header := d.getHeader(hashes[i])
+ if header == nil || header.Number.Int64() < from || header.Number.Uint64() > head {
+ continue
+ }
+ // Otherwise check if we already know the header or not
if d.hasBlockAndState(hashes[i]) {
- number, hash = uint64(from)+uint64(i), hashes[i]
+ number, hash = header.Number.Uint64(), header.Hash()
break
}
}
@@ -990,12 +996,28 @@ func (d *Downloader) findAncestor(p *peer) (uint64, error) {
// Make sure the peer actually gave something valid
headers := packet.(*headerPack).headers
if len(headers) == 0 {
- glog.V(logger.Debug).Infof("%v: empty head header set", p)
+ glog.V(logger.Warn).Infof("%v: empty head header set", p)
return 0, errEmptyHeaderSet
}
+ // Make sure the peer's reply conforms to the request
+ for i := 0; i < len(headers); i++ {
+ if number := headers[i].Number.Int64(); number != from+int64(i) {
+ glog.V(logger.Warn).Infof("%v: head header set (item %d) broke chain ordering: requested %d, got %d", p, i, from+int64(i), number)
+ return 0, errInvalidChain
+ }
+ if i > 0 && headers[i-1].Hash() != headers[i].ParentHash {
+ glog.V(logger.Warn).Infof("%v: head header set (item %d) broke chain ancestry: expected [%x], got [%x]", p, i, headers[i-1].Hash().Bytes()[:4], headers[i].ParentHash[:4])
+ return 0, errInvalidChain
+ }
+ }
// Check if a common ancestor was found
finished = true
for i := len(headers) - 1; i >= 0; i-- {
+ // Skip any headers that underflow/overflow our requested set
+ if headers[i].Number.Int64() < from || headers[i].Number.Uint64() > head {
+ continue
+ }
+ // Otherwise check if we already know the header or not
if (d.mode != LightSync && d.hasBlockAndState(headers[i].Hash())) || (d.mode == LightSync && d.hasHeader(headers[i].Hash())) {
number, hash = headers[i].Number.Uint64(), headers[i].Hash()
break
@@ -1206,6 +1228,10 @@ func (d *Downloader) fetchHeaders(p *peer, td *big.Int, from uint64) error {
frequency = 1
}
if n, err := d.insertHeaders(headers, frequency); err != nil {
+ // If some headers were inserted, add them too to the rollback list
+ if n > 0 {
+ rollback = append(rollback, headers[:n]...)
+ }
glog.V(logger.Debug).Infof("%v: invalid header #%d [%x…]: %v", p, headers[n].Number, headers[n].Hash().Bytes()[:4], err)
return errInvalidChain
}