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refactor host.rs #2950

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refactor host.rs #2950

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56c5ae8
refactor host.rs
xlc Oct 31, 2022
202e670
fmt
xlc Oct 31, 2022
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268 changes: 268 additions & 0 deletions src/executor/host/host_function.rs
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Original file line number Diff line number Diff line change
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// Smoldot
// Copyright (C) 2019-2022 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.

macro_rules! externalities {
($($ext:ident,)*) => {
/// List of possible externalities.
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
#[allow(non_camel_case_types)]
pub enum HostFunction {
$(
$ext,
)*
}

impl HostFunction {
pub fn by_name(name: &str) -> Option<Self> {
$(
if name == stringify!($ext) {
return Some(HostFunction::$ext);
}
)*
None
}

pub fn name(&self) -> &'static str {
match self {
$(
HostFunction::$ext => stringify!($ext),
)*
}
}
}
};
}

externalities! {
ext_storage_set_version_1,
ext_storage_get_version_1,
ext_storage_read_version_1,
ext_storage_clear_version_1,
ext_storage_exists_version_1,
ext_storage_clear_prefix_version_1,
ext_storage_clear_prefix_version_2,
ext_storage_root_version_1,
ext_storage_root_version_2,
ext_storage_changes_root_version_1,
ext_storage_next_key_version_1,
ext_storage_append_version_1,
ext_storage_child_set_version_1,
ext_storage_child_get_version_1,
ext_storage_child_read_version_1,
ext_storage_child_clear_version_1,
ext_storage_child_storage_kill_version_1,
ext_storage_child_exists_version_1,
ext_storage_child_clear_prefix_version_1,
ext_storage_child_root_version_1,
ext_storage_child_next_key_version_1,
ext_storage_start_transaction_version_1,
ext_storage_rollback_transaction_version_1,
ext_storage_commit_transaction_version_1,
ext_default_child_storage_get_version_1,
ext_default_child_storage_read_version_1,
ext_default_child_storage_storage_kill_version_1,
ext_default_child_storage_storage_kill_version_2,
ext_default_child_storage_storage_kill_version_3,
ext_default_child_storage_clear_prefix_version_1,
ext_default_child_storage_clear_prefix_version_2,
ext_default_child_storage_set_version_1,
ext_default_child_storage_clear_version_1,
ext_default_child_storage_exists_version_1,
ext_default_child_storage_next_key_version_1,
ext_default_child_storage_root_version_1,
ext_default_child_storage_root_version_2,
ext_crypto_ed25519_public_keys_version_1,
ext_crypto_ed25519_generate_version_1,
ext_crypto_ed25519_sign_version_1,
ext_crypto_ed25519_verify_version_1,
ext_crypto_sr25519_public_keys_version_1,
ext_crypto_sr25519_generate_version_1,
ext_crypto_sr25519_sign_version_1,
ext_crypto_sr25519_verify_version_1,
ext_crypto_sr25519_verify_version_2,
ext_crypto_ecdsa_generate_version_1,
ext_crypto_ecdsa_sign_version_1,
ext_crypto_ecdsa_public_keys_version_1,
ext_crypto_ecdsa_verify_version_1,
ext_crypto_ecdsa_sign_prehashed_version_1,
ext_crypto_ecdsa_verify_prehashed_version_1,
ext_crypto_secp256k1_ecdsa_recover_version_1,
ext_crypto_secp256k1_ecdsa_recover_version_2,
ext_crypto_secp256k1_ecdsa_recover_compressed_version_1,
ext_crypto_secp256k1_ecdsa_recover_compressed_version_2,
ext_crypto_start_batch_verify_version_1,
ext_crypto_finish_batch_verify_version_1,
ext_hashing_keccak_256_version_1,
ext_hashing_sha2_256_version_1,
ext_hashing_blake2_128_version_1,
ext_hashing_blake2_256_version_1,
ext_hashing_twox_64_version_1,
ext_hashing_twox_128_version_1,
ext_hashing_twox_256_version_1,
ext_offchain_index_set_version_1,
ext_offchain_index_clear_version_1,
ext_offchain_is_validator_version_1,
ext_offchain_submit_transaction_version_1,
ext_offchain_network_state_version_1,
ext_offchain_timestamp_version_1,
ext_offchain_sleep_until_version_1,
ext_offchain_random_seed_version_1,
ext_offchain_local_storage_set_version_1,
ext_offchain_local_storage_compare_and_set_version_1,
ext_offchain_local_storage_get_version_1,
ext_offchain_local_storage_clear_version_1,
ext_offchain_http_request_start_version_1,
ext_offchain_http_request_add_header_version_1,
ext_offchain_http_request_write_body_version_1,
ext_offchain_http_response_wait_version_1,
ext_offchain_http_response_headers_version_1,
ext_offchain_http_response_read_body_version_1,
ext_sandbox_instantiate_version_1,
ext_sandbox_invoke_version_1,
ext_sandbox_memory_new_version_1,
ext_sandbox_memory_get_version_1,
ext_sandbox_memory_set_version_1,
ext_sandbox_memory_teardown_version_1,
ext_sandbox_instance_teardown_version_1,
ext_sandbox_get_global_val_version_1,
ext_trie_blake2_256_root_version_1,
ext_trie_blake2_256_root_version_2,
ext_trie_blake2_256_ordered_root_version_1,
ext_trie_blake2_256_ordered_root_version_2,
ext_trie_keccak_256_ordered_root_version_1,
ext_trie_keccak_256_ordered_root_version_2,
ext_misc_print_num_version_1,
ext_misc_print_utf8_version_1,
ext_misc_print_hex_version_1,
ext_misc_runtime_version_version_1,
ext_allocator_malloc_version_1,
ext_allocator_free_version_1,
ext_logging_log_version_1,
ext_logging_max_level_version_1,
}

impl HostFunction {
pub fn num_parameters(&self) -> usize {
match *self {
HostFunction::ext_storage_set_version_1 => 2,
HostFunction::ext_storage_get_version_1 => 1,
HostFunction::ext_storage_read_version_1 => 3,
HostFunction::ext_storage_clear_version_1 => 1,
HostFunction::ext_storage_exists_version_1 => 1,
HostFunction::ext_storage_clear_prefix_version_1 => 1,
HostFunction::ext_storage_clear_prefix_version_2 => 2,
HostFunction::ext_storage_root_version_1 => 0,
HostFunction::ext_storage_root_version_2 => 1,
HostFunction::ext_storage_changes_root_version_1 => 1,
HostFunction::ext_storage_next_key_version_1 => 1,
HostFunction::ext_storage_append_version_1 => 2,
HostFunction::ext_storage_child_set_version_1 => todo!(),
HostFunction::ext_storage_child_get_version_1 => todo!(),
HostFunction::ext_storage_child_read_version_1 => todo!(),
HostFunction::ext_storage_child_clear_version_1 => todo!(),
HostFunction::ext_storage_child_storage_kill_version_1 => todo!(),
HostFunction::ext_storage_child_exists_version_1 => todo!(),
HostFunction::ext_storage_child_clear_prefix_version_1 => todo!(),
HostFunction::ext_storage_child_root_version_1 => todo!(),
HostFunction::ext_storage_child_next_key_version_1 => todo!(),
HostFunction::ext_storage_start_transaction_version_1 => 0,
HostFunction::ext_storage_rollback_transaction_version_1 => 0,
HostFunction::ext_storage_commit_transaction_version_1 => 0,
HostFunction::ext_default_child_storage_get_version_1 => todo!(),
HostFunction::ext_default_child_storage_read_version_1 => todo!(),
HostFunction::ext_default_child_storage_storage_kill_version_1 => todo!(),
HostFunction::ext_default_child_storage_storage_kill_version_2 => todo!(),
HostFunction::ext_default_child_storage_storage_kill_version_3 => todo!(),
HostFunction::ext_default_child_storage_clear_prefix_version_1 => todo!(),
HostFunction::ext_default_child_storage_clear_prefix_version_2 => todo!(),
HostFunction::ext_default_child_storage_set_version_1 => todo!(),
HostFunction::ext_default_child_storage_clear_version_1 => todo!(),
HostFunction::ext_default_child_storage_exists_version_1 => todo!(),
HostFunction::ext_default_child_storage_next_key_version_1 => todo!(),
HostFunction::ext_default_child_storage_root_version_1 => todo!(),
HostFunction::ext_default_child_storage_root_version_2 => todo!(),
HostFunction::ext_crypto_ed25519_public_keys_version_1 => todo!(),
HostFunction::ext_crypto_ed25519_generate_version_1 => todo!(),
HostFunction::ext_crypto_ed25519_sign_version_1 => todo!(),
HostFunction::ext_crypto_ed25519_verify_version_1 => 3,
HostFunction::ext_crypto_sr25519_public_keys_version_1 => todo!(),
HostFunction::ext_crypto_sr25519_generate_version_1 => todo!(),
HostFunction::ext_crypto_sr25519_sign_version_1 => todo!(),
HostFunction::ext_crypto_sr25519_verify_version_1 => 3,
HostFunction::ext_crypto_sr25519_verify_version_2 => 3,
HostFunction::ext_crypto_ecdsa_generate_version_1 => todo!(),
HostFunction::ext_crypto_ecdsa_sign_version_1 => 2,
HostFunction::ext_crypto_ecdsa_public_keys_version_1 => todo!(),
HostFunction::ext_crypto_ecdsa_verify_version_1 => 3,
HostFunction::ext_crypto_ecdsa_sign_prehashed_version_1 => 2,
HostFunction::ext_crypto_ecdsa_verify_prehashed_version_1 => 3,
HostFunction::ext_crypto_secp256k1_ecdsa_recover_version_1 => 2,
HostFunction::ext_crypto_secp256k1_ecdsa_recover_version_2 => 2,
HostFunction::ext_crypto_secp256k1_ecdsa_recover_compressed_version_1 => 2,
HostFunction::ext_crypto_secp256k1_ecdsa_recover_compressed_version_2 => 2,
HostFunction::ext_crypto_start_batch_verify_version_1 => 0,
HostFunction::ext_crypto_finish_batch_verify_version_1 => 0,
HostFunction::ext_hashing_keccak_256_version_1 => 1,
HostFunction::ext_hashing_sha2_256_version_1 => todo!(),
HostFunction::ext_hashing_blake2_128_version_1 => 1,
HostFunction::ext_hashing_blake2_256_version_1 => 1,
HostFunction::ext_hashing_twox_64_version_1 => 1,
HostFunction::ext_hashing_twox_128_version_1 => 1,
HostFunction::ext_hashing_twox_256_version_1 => 1,
HostFunction::ext_offchain_index_set_version_1 => 2,
HostFunction::ext_offchain_index_clear_version_1 => 1,
HostFunction::ext_offchain_is_validator_version_1 => todo!(),
HostFunction::ext_offchain_submit_transaction_version_1 => todo!(),
HostFunction::ext_offchain_network_state_version_1 => todo!(),
HostFunction::ext_offchain_timestamp_version_1 => todo!(),
HostFunction::ext_offchain_sleep_until_version_1 => todo!(),
HostFunction::ext_offchain_random_seed_version_1 => todo!(),
HostFunction::ext_offchain_local_storage_set_version_1 => todo!(),
HostFunction::ext_offchain_local_storage_compare_and_set_version_1 => todo!(),
HostFunction::ext_offchain_local_storage_get_version_1 => todo!(),
HostFunction::ext_offchain_local_storage_clear_version_1 => todo!(),
HostFunction::ext_offchain_http_request_start_version_1 => todo!(),
HostFunction::ext_offchain_http_request_add_header_version_1 => todo!(),
HostFunction::ext_offchain_http_request_write_body_version_1 => todo!(),
HostFunction::ext_offchain_http_response_wait_version_1 => todo!(),
HostFunction::ext_offchain_http_response_headers_version_1 => todo!(),
HostFunction::ext_offchain_http_response_read_body_version_1 => todo!(),
HostFunction::ext_sandbox_instantiate_version_1 => todo!(),
HostFunction::ext_sandbox_invoke_version_1 => todo!(),
HostFunction::ext_sandbox_memory_new_version_1 => todo!(),
HostFunction::ext_sandbox_memory_get_version_1 => todo!(),
HostFunction::ext_sandbox_memory_set_version_1 => todo!(),
HostFunction::ext_sandbox_memory_teardown_version_1 => todo!(),
HostFunction::ext_sandbox_instance_teardown_version_1 => todo!(),
HostFunction::ext_sandbox_get_global_val_version_1 => todo!(),
HostFunction::ext_trie_blake2_256_root_version_1 => 1,
HostFunction::ext_trie_blake2_256_root_version_2 => 2,
HostFunction::ext_trie_blake2_256_ordered_root_version_1 => 1,
HostFunction::ext_trie_blake2_256_ordered_root_version_2 => 2,
HostFunction::ext_trie_keccak_256_ordered_root_version_1 => todo!(),
HostFunction::ext_trie_keccak_256_ordered_root_version_2 => todo!(),
HostFunction::ext_misc_print_num_version_1 => 1,
HostFunction::ext_misc_print_utf8_version_1 => 1,
HostFunction::ext_misc_print_hex_version_1 => 1,
HostFunction::ext_misc_runtime_version_version_1 => 1,
HostFunction::ext_allocator_malloc_version_1 => 1,
HostFunction::ext_allocator_free_version_1 => 1,
HostFunction::ext_logging_log_version_1 => 3,
HostFunction::ext_logging_max_level_version_1 => 0,
}
}
}
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