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Stubs for removed functions to make wasm environment compatible with old runtimes #4403

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Stubs for removed functions to make wasm environment compatible with old runtimes #4403

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72 changes: 72 additions & 0 deletions client/executor/src/deprecated_host_interface.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -217,6 +217,26 @@ impl_wasm_host_interface! {
Ok(sp_io::storage::set(&key, &value))
}

ext_set_child_storage(
_storage_key_data: Pointer<u8>,
_storage_key_len: WordSize,
_key_data: Pointer<u8>,
_key_len: WordSize,
_value_data: Pointer<u8>,
_value_len: WordSize,
) {
Err("ext_set_child_storage is obsolete and left for backwards compatibility".into())
}

ext_clear_child_storage(
_storage_key_data: Pointer<u8>,
_storage_key_len: WordSize,
_key_data: Pointer<u8>,
_key_len: WordSize,
) {
Err("ext_clear_child_storage is obsolete and left for backwards compatibility".into())
}

ext_clear_storage(key_data: Pointer<u8>, key_len: WordSize) {
let key = context.read_memory(key_data, key_len)
.map_err(|_| "Invalid attempt to determine key in ext_clear_storage")?;
Expand All @@ -229,12 +249,34 @@ impl_wasm_host_interface! {
Ok(if sp_io::storage::exists(&key) { 1 } else { 0 })
}

ext_exists_child_storage(
_storage_key_data: Pointer<u8>,
_storage_key_len: WordSize,
_key_data: Pointer<u8>,
_key_len: WordSize,
) -> u32 {
Err("ext_exists_child_storage is obsolete and left for backwards compatibility".into())
}

ext_clear_prefix(prefix_data: Pointer<u8>, prefix_len: WordSize) {
let prefix = context.read_memory(prefix_data, prefix_len)
.map_err(|_| "Invalid attempt to determine prefix in ext_clear_prefix")?;
Ok(sp_io::storage::clear_prefix(&prefix))
}

ext_clear_child_prefix(
_storage_key_data: Pointer<u8>,
_storage_key_len: WordSize,
_prefix_data: Pointer<u8>,
_prefix_len: WordSize,
) {
Err("ext_clear_child_prefix is obsolete and left for backwards compatibility".into())
}

ext_kill_child_storage(_storage_key_data: Pointer<u8>, _storage_key_len: WordSize) {
Err("ext_kill_child_storage is obsolete and left for backwards compatibility".into())
}

ext_get_allocated_storage(
key_data: Pointer<u8>,
key_len: WordSize,
Expand All @@ -257,6 +299,16 @@ impl_wasm_host_interface! {
}
}

ext_get_allocated_child_storage(
_storage_key_data: Pointer<u8>,
_storage_key_len: WordSize,
_key_data: Pointer<u8>,
_key_len: WordSize,
_written_out: Pointer<u32>,
) -> Pointer<u8> {
Err("ext_get_allocated_child_storage is obsolete and left for backwards compatibility".into())
}

ext_get_storage_into(
key_data: Pointer<u8>,
key_len: WordSize,
Expand All @@ -278,11 +330,31 @@ impl_wasm_host_interface! {
}
}

ext_get_child_storage_into(
_storage_key_data: Pointer<u8>,
_storage_key_len: WordSize,
_key_data: Pointer<u8>,
_key_len: WordSize,
_value_data: Pointer<u8>,
_value_len: WordSize,
_value_offset: WordSize,
) -> WordSize {
Err("ext_get_child_storage_into is obsolete and left for backwards compatibility".into())
}

ext_storage_root(result: Pointer<u8>) {
context.write_memory(result, sp_io::storage::root().as_ref())
.map_err(|_| "Invalid attempt to set memory in ext_storage_root".into())
}

ext_child_storage_root(
_storage_key_data: Pointer<u8>,
_storage_key_len: WordSize,
_written_out: Pointer<u32>,
) -> Pointer<u8> {
Err("ext_child_storage_root is obsolete and left for backwards compatibility".into())
}

ext_storage_changes_root(
parent_hash_data: Pointer<u8>,
_len: WordSize,
Expand Down