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preset memory (#6722)

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This commit is contained in:
Nishant Das 2020-07-26 02:54:54 +08:00 committed by GitHub
parent 7a12fc6d75
commit 2cd359bde5
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 10 deletions
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31
beacon-chain/state/field_trie.go
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@ -109,13 +109,8 @@ func (f *FieldTrie) CopyTrie() *FieldTrie {
}
}
dstFieldTrie := make([][]*[32]byte, len(f.fieldLayers))
for i, layer := range f.fieldLayers {
if len(dstFieldTrie[i]) < len(layer) {
diffSlice := make([]*[32]byte, len(layer)-len(dstFieldTrie[i]))
dstFieldTrie[i] = append(dstFieldTrie[i], diffSlice...)
}
dstFieldTrie[i] = dstFieldTrie[i][:len(layer)]
dstFieldTrie[i] = make([]*[32]byte, len(layer))
copy(dstFieldTrie[i], layer)
}
return &FieldTrie{
@ -180,7 +175,11 @@ func fieldConverters(field fieldIndex, indices []uint64, elements interface{}, c
}
func handleByteArrays(val [][]byte, indices []uint64, convertAll bool) ([][32]byte, error) {
roots := [][32]byte{}
length := len(indices)
if convertAll {
length = len(val)
}
roots := make([][32]byte, 0, length)
rootCreater := func(input []byte) {
newRoot := bytesutil.ToBytes32(input)
roots = append(roots, newRoot)
@ -198,7 +197,11 @@ func handleByteArrays(val [][]byte, indices []uint64, convertAll bool) ([][32]by
}
func handleEth1DataSlice(val []*ethpb.Eth1Data, indices []uint64, convertAll bool) ([][32]byte, error) {
roots := [][32]byte{}
length := len(indices)
if convertAll {
length = len(val)
}
roots := make([][32]byte, 0, length)
hasher := hashutil.CustomSHA256Hasher()
rootCreater := func(input *ethpb.Eth1Data) error {
newRoot, err := stateutil.Eth1Root(hasher, input)
@ -227,7 +230,11 @@ func handleEth1DataSlice(val []*ethpb.Eth1Data, indices []uint64, convertAll boo
}
func handleValidatorSlice(val []*ethpb.Validator, indices []uint64, convertAll bool) ([][32]byte, error) {
roots := [][32]byte{}
length := len(indices)
if convertAll {
length = len(val)
}
roots := make([][32]byte, 0, length)
hasher := hashutil.CustomSHA256Hasher()
rootCreater := func(input *ethpb.Validator) error {
newRoot, err := stateutil.ValidatorRoot(hasher, input)
@ -256,7 +263,11 @@ func handleValidatorSlice(val []*ethpb.Validator, indices []uint64, convertAll b
}
func handlePendingAttestation(val []*pb.PendingAttestation, indices []uint64, convertAll bool) ([][32]byte, error) {
roots := [][32]byte{}
length := len(indices)
if convertAll {
length = len(val)
}
roots := make([][32]byte, 0, length)
hasher := hashutil.CustomSHA256Hasher()
rootCreator := func(input *pb.PendingAttestation) error {
newRoot, err := stateutil.PendingAttestationRoot(hasher, input)