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124 changes: 124 additions & 0 deletions
124
aptos-move/aptos-vm-types/src/storage/change_set_configs.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| // Copyright © Aptos Foundation | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| use crate::{change_set::VMChangeSet, check_change_set::CheckChangeSet}; | ||
| use aptos_gas_schedule::AptosGasParameters; | ||
| use move_core_types::vm_status::{err_msg, StatusCode, VMStatus}; | ||
|
|
||
| #[derive(Clone, Debug)] | ||
| pub struct ChangeSetConfigs { | ||
| gas_feature_version: u64, | ||
| max_bytes_per_write_op: u64, | ||
| max_bytes_all_write_ops_per_transaction: u64, | ||
| max_bytes_per_event: u64, | ||
| max_bytes_all_events_per_transaction: u64, | ||
| max_write_ops_per_transaction: u64, | ||
| } | ||
|
|
||
| impl ChangeSetConfigs { | ||
| pub fn unlimited_at_gas_feature_version(gas_feature_version: u64) -> Self { | ||
| Self::new_impl( | ||
| gas_feature_version, | ||
| u64::MAX, | ||
| u64::MAX, | ||
| u64::MAX, | ||
| u64::MAX, | ||
| u64::MAX, | ||
| ) | ||
| } | ||
|
|
||
| pub fn new(feature_version: u64, gas_params: &AptosGasParameters) -> Self { | ||
| if feature_version >= 5 { | ||
| Self::from_gas_params(feature_version, gas_params) | ||
| } else if feature_version >= 3 { | ||
| Self::for_feature_version_3() | ||
| } else { | ||
| Self::unlimited_at_gas_feature_version(feature_version) | ||
| } | ||
| } | ||
|
|
||
| fn new_impl( | ||
| gas_feature_version: u64, | ||
| max_bytes_per_write_op: u64, | ||
| max_bytes_all_write_ops_per_transaction: u64, | ||
| max_bytes_per_event: u64, | ||
| max_bytes_all_events_per_transaction: u64, | ||
| max_write_ops_per_transaction: u64, | ||
| ) -> Self { | ||
| Self { | ||
| gas_feature_version, | ||
| max_bytes_per_write_op, | ||
| max_bytes_all_write_ops_per_transaction, | ||
| max_bytes_per_event, | ||
| max_bytes_all_events_per_transaction, | ||
| max_write_ops_per_transaction, | ||
| } | ||
| } | ||
|
|
||
| pub fn legacy_resource_creation_as_modification(&self) -> bool { | ||
| // Bug fixed at gas_feature_version 3 where (non-group) resource creation was converted to | ||
| // modification. | ||
| // Modules and table items were not affected (https://github.com/aptos-labs/aptos-core/pull/4722/commits/7c5e52297e8d1a6eac67a68a804ab1ca2a0b0f37). | ||
| // Resource groups and state values with metadata were not affected because they were | ||
| // introduced later than feature_version 3 on all networks. | ||
| self.gas_feature_version < 3 | ||
| } | ||
|
|
||
| fn for_feature_version_3() -> Self { | ||
| const MB: u64 = 1 << 20; | ||
|
|
||
| Self::new_impl(3, MB, u64::MAX, MB, 10 * MB, u64::MAX) | ||
| } | ||
|
|
||
| fn from_gas_params(gas_feature_version: u64, gas_params: &AptosGasParameters) -> Self { | ||
| let params = &gas_params.vm.txn; | ||
| Self::new_impl( | ||
| gas_feature_version, | ||
| params.max_bytes_per_write_op.into(), | ||
| params.max_bytes_all_write_ops_per_transaction.into(), | ||
| params.max_bytes_per_event.into(), | ||
| params.max_bytes_all_events_per_transaction.into(), | ||
| params.max_write_ops_per_transaction.into(), | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| impl CheckChangeSet for ChangeSetConfigs { | ||
| fn check_change_set(&self, change_set: &VMChangeSet) -> Result<(), VMStatus> { | ||
| const ERR: StatusCode = StatusCode::STORAGE_WRITE_LIMIT_REACHED; | ||
|
|
||
| if self.max_write_ops_per_transaction != 0 | ||
| && change_set.num_write_ops() as u64 > self.max_write_ops_per_transaction | ||
| { | ||
| return Err(VMStatus::error(ERR, err_msg("Too many write ops."))); | ||
| } | ||
|
|
||
| let mut write_set_size = 0; | ||
| for (key, op_size) in change_set.write_set_size_iter() { | ||
| if let Some(len) = op_size.write_len() { | ||
| let write_op_size = len + (key.size() as u64); | ||
| if write_op_size > self.max_bytes_per_write_op { | ||
| return Err(VMStatus::error(ERR, None)); | ||
| } | ||
| write_set_size += write_op_size; | ||
| } | ||
| if write_set_size > self.max_bytes_all_write_ops_per_transaction { | ||
| return Err(VMStatus::error(ERR, None)); | ||
| } | ||
| } | ||
|
|
||
| let mut total_event_size = 0; | ||
| for (event, _) in change_set.events() { | ||
| let size = event.event_data().len() as u64; | ||
| if size > self.max_bytes_per_event { | ||
| return Err(VMStatus::error(ERR, None)); | ||
| } | ||
| total_event_size += size; | ||
| if total_event_size > self.max_bytes_all_events_per_transaction { | ||
| return Err(VMStatus::error(ERR, None)); | ||
| } | ||
| } | ||
|
|
||
| Ok(()) | ||
| } | ||
| } |
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