Method upsert

chain/src/account.rs:28–32

(&mut self, key: &Account, data: &AccountData)

    }

    pub(crate) fn upsert(&mut self, key: &Account, data: &AccountData) -> Result<()> {
        self.trie
            .insert(key.as_ref(), &serialize(&data)?)
            .map_err(|_| ChainError::StoragePutError(Storage::key_string(key)))
    }

    /// Add an account with default account data.
    /// Skip if the account already exists.