pub(crate) fn db_get(
ctx: FunctionEnvMut<'_, Env>,
ptr: WasmPtr<u8>,
ptr_len: u32,
) -> i64
Expand description
Reads a value by key from the key-value store.
This function can be called from the Deploy, Exec, or Metadata ContractSection
.
On success, returns the length of the objects
Vector in the environment.
Otherwise, returns an error code.
Permissions: deploy, metadata, exec