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hash reused #867

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merged 2 commits into from
Dec 19, 2020
Merged

hash reused #867

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69fac3c
hash reused
ucwong Dec 18, 2020
60c21e8
keccak read arg fix
ucwong Dec 18, 2020
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10 changes: 5 additions & 5 deletions ctxc/downloader/statesync.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,13 +18,13 @@ package downloader

import (
"fmt"
"hash"
"sync"
"time"

"github.com/CortexFoundation/CortexTheseus/common"
"github.com/CortexFoundation/CortexTheseus/core/rawdb"
"github.com/CortexFoundation/CortexTheseus/core/state"
"github.com/CortexFoundation/CortexTheseus/crypto"
"github.com/CortexFoundation/CortexTheseus/ctxcdb"
"github.com/CortexFoundation/CortexTheseus/log"
"github.com/CortexFoundation/CortexTheseus/trie"
Expand Down Expand Up @@ -261,8 +261,8 @@ func (d *Downloader) spindownStateSync(active map[string]*stateReq, finished []*
type stateSync struct {
d *Downloader // Downloader instance to access and manage current peerset

sched *trie.Sync // State trie sync scheduler defining the tasks
keccak hash.Hash // Keccak256 hasher to verify deliveries with
sched *trie.Sync // State trie sync scheduler defining the tasks
keccak crypto.KeccakState // Keccak256 hasher to verify deliveries with

trieTasks map[common.Hash]*trieTask // Set of trie node tasks currently queued for retrieval
codeTasks map[common.Hash]*codeTask // Set of byte code tasks currently queued for retrieval
Expand Down Expand Up @@ -300,7 +300,7 @@ func newStateSync(d *Downloader, root common.Hash) *stateSync {
return &stateSync{
d: d,
sched: state.NewStateSync(root, d.stateDB, d.stateBloom),
keccak: sha3.NewLegacyKeccak256(),
keccak: sha3.NewLegacyKeccak256().(crypto.KeccakState),
trieTasks: make(map[common.Hash]*trieTask),
codeTasks: make(map[common.Hash]*codeTask),
deliver: make(chan *stateReq),
Expand Down Expand Up @@ -586,7 +586,7 @@ func (s *stateSync) processNodeData(blob []byte) (common.Hash, error) {
res := trie.SyncResult{Data: blob}
s.keccak.Reset()
s.keccak.Write(blob)
s.keccak.Sum(res.Hash[:0])
s.keccak.Read(res.Hash[:])
err := s.sched.Process(res)
return res.Hash, err
}
Expand Down