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code only on trie reader

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This commit is contained in:
Sina Mahmoodi 2024-11-26 10:46:27 +01:00
parent 42d3dc85bf
commit d6c4d58f40
1 changed files with 16 additions and 8 deletions
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12
core/state/reader.go
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@ -136,12 +136,12 @@ func (r *stateReader) Storage(addr common.Address, key common.Hash) (common.Hash
// ContractCode implements Reader, retrieving the code associated with a particular account.
func (r *stateReader) ContractCode(addr common.Address, codeHash common.Hash) ([]byte, error) {
return nil, nil
return nil, errors.New("not supported")
}
// ContractCodeSize implements Reader, returning the size of the code associated with a particular account.
func (r *stateReader) ContractCodeSize(addr common.Address, codeHash common.Hash) (int, error) {
return 0, nil
return 0, errors.New("not supported")
}
// Copy implements Reader, returning a deep-copied snap reader.
@ -336,10 +336,14 @@ func (r *multiReader) Storage(addr common.Address, slot common.Hash) (common.Has
func (r *multiReader) ContractCode(addr common.Address, codeHash common.Hash) ([]byte, error) {
var errs []error
for _, reader := range r.readers {
// Only trie reader can provide contract code.
if _, ok := reader.(*trieReader); ok {
code, err := reader.ContractCode(addr, codeHash)
if err == nil {
return code, nil
}
errs = append(errs, err)
}
}
return nil, errors.Join(errs...)
}
@ -348,10 +352,14 @@ func (r *multiReader) ContractCode(addr common.Address, codeHash common.Hash) ([
func (r *multiReader) ContractCodeSize(addr common.Address, codeHash common.Hash) (int, error) {
var errs []error
for _, reader := range r.readers {
// Only trie reader can provide contract code.
if _, ok := reader.(*trieReader); ok {
size, err := reader.ContractCodeSize(addr, codeHash)
if err == nil {
return size, nil
}
errs = append(errs, err)
}
}
return 0, errors.Join(errs...)
}