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execution/state: optimize transient storage zero-write fast path #20568

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Merged
mh0lt merged 2 commits into from
Apr 16, 2026
+13 −3
Merged

execution/state: optimize transient storage zero-write fast path #20568

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c206748
execution/state: avoid transient storage map creation on zero writes
Sahil-4555 Apr 15, 2026
f4e32e7
Merge branch 'main' into optimize/transient-storage-zero-write-fastpath
yperbasis Apr 15, 2026
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16 changes: 13 additions & 3 deletions execution/state/transient_storage.go
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Original file line number Diff line number Diff line change
Expand Up @@ -34,10 +34,20 @@ func newTransientStorage() transientStorage {

// Set sets the transient-storage `value` for `key` at the given `addr`.
func (t transientStorage) Set(addr accounts.Address, key accounts.StorageKey, value uint256.Int) {
if _, ok := t[addr]; !ok {
t[addr] = make(Storage)
slots, ok := t[addr]
if value.IsZero() {
if !ok {
return
}
slots[key] = value
return
}
t[addr][key] = value

if !ok {
slots = make(Storage)
t[addr] = slots
}
slots[key] = value
}

// Get gets the transient storage for `key` at the given `addr`.
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