func (db *cachingDB) ContractCode(addrHash, codeHash common.Hash) ([]byte, error) {
	code, err := db.db.Node(codeHash)
	if err == nil {
		db.codeSizeCache.Add(codeHash, len(code))
	}
	return code, err
}
// ContractCode retrieves a particular contract's code.
ContractCode retrieves a particular contract's code.
// ContractCode retrieves a particular contract ' s code .
func (db *cachingDB) ContractCode(addrHash, codeHash common.Hash) ([]byte, error) {
	code, err := db.db.Node(codeHash)
	if err == nil {
		db.codeSizeCache.Add(codeHash, len(code))
	}
	return code, err
}
func ( db * cachingDB ) ContractCode ( addrHash , codeHash common . Hash ) ( [ ] byte , error ) { code , err := db . db . Node ( codeHash ) if err == nil { db . codeSizeCache . Add ( codeHash , len ( code ) ) } return code , err }
ContractCode retrieves a particular contract's code.
ContractCode retrieves a particular contract ' s code .