Struct CfgEnv
#[non_exhaustive]pub struct CfgEnv<SPEC = SpecId> {
pub chain_id: u64,
pub spec: SPEC,
pub limit_contract_code_size: Option<usize>,
pub disable_nonce_check: bool,
pub blob_target_and_max_count: Vec<(SpecId, u8, u8)>,
pub disable_block_gas_limit: bool,
pub disable_eip3607: bool,
pub disable_base_fee: bool,
}
Expand description
EVM configuration
Fields (Non-exhaustive)§
This struct is marked as non-exhaustive
Struct { .. }
syntax; cannot be matched against without a wildcard ..
; and struct update syntax will not work.chain_id: u64
Chain ID of the EVM
chain_id
will be compared to the transaction’s Chain ID.
Chain ID is introduced EIP-155.
spec: SPEC
Specification for EVM represent the hardfork
limit_contract_code_size: Option<usize>
If some it will effects EIP-170: Contract code size limit.
Useful to increase this because of tests.
By default it is 0x6000
(~25kb).
disable_nonce_check: bool
Skips the nonce validation against the account’s nonce
blob_target_and_max_count: Vec<(SpecId, u8, u8)>
Blob target count. EIP-7840 Add blob schedule to EL config files.
Note : Items must be sorted by SpecId
.
disable_block_gas_limit: bool
optional_block_gas_limit
only.There are use cases where it’s allowed to provide a gas limit that’s higher than a block’s gas limit.
To that end, you can disable the block gas limit validation.
By default, it is set to false
.
disable_eip3607: bool
optional_eip3607
only.EIP-3607 rejects transactions from senders with deployed code
In development, it can be desirable to simulate calls from contracts, which this setting allows.
By default, it is set to false
.
disable_base_fee: bool
optional_no_base_fee
only.Disables base fee checks for EIP-1559 transactions
This is useful for testing method calls with zero gas price.
By default, it is set to false
.
Implementations§
§impl<SPEC> CfgEnv<SPEC>
impl<SPEC> CfgEnv<SPEC>
pub fn new_with_spec(spec: SPEC) -> CfgEnv<SPEC>
pub fn with_chain_id(self, chain_id: u64) -> CfgEnv<SPEC>
pub fn with_spec<OSPEC>(self, spec: OSPEC) -> CfgEnv<OSPEC>
pub fn set_blob_max_and_target_count(&mut self, vec: Vec<(SpecId, u8, u8)>)
pub fn set_blob_max_and_target_count(&mut self, vec: Vec<(SpecId, u8, u8)>)
Sets the blob target and max count over hardforks.
Trait Implementations§
§impl<SPEC> Cfg for CfgEnv<SPEC>
impl<SPEC> Cfg for CfgEnv<SPEC>
§fn is_block_gas_limit_disabled(&self) -> bool
fn is_block_gas_limit_disabled(&self) -> bool
Returns true
if the block gas limit is disabled.
type Spec = SPEC
fn chain_id(&self) -> u64
fn spec(&self) -> <CfgEnv<SPEC> as Cfg>::Spec
§fn blob_max_count(&self, spec_id: SpecId) -> u8
fn blob_max_count(&self, spec_id: SpecId) -> u8
fn max_code_size(&self) -> usize
fn is_eip3607_disabled(&self) -> bool
fn is_balance_check_disabled(&self) -> bool
fn is_nonce_check_disabled(&self) -> bool
fn is_base_fee_check_disabled(&self) -> bool
§impl<'de, SPEC> Deserialize<'de> for CfgEnv<SPEC>where
SPEC: Deserialize<'de>,
impl<'de, SPEC> Deserialize<'de> for CfgEnv<SPEC>where
SPEC: Deserialize<'de>,
§fn deserialize<__D>(
__deserializer: __D,
) -> Result<CfgEnv<SPEC>, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(
__deserializer: __D,
) -> Result<CfgEnv<SPEC>, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
§impl<SPEC> Serialize for CfgEnv<SPEC>where
SPEC: Serialize,
impl<SPEC> Serialize for CfgEnv<SPEC>where
SPEC: Serialize,
§fn serialize<__S>(
&self,
__serializer: __S,
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
fn serialize<__S>(
&self,
__serializer: __S,
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
impl<SPEC> Eq for CfgEnv<SPEC>where
SPEC: Eq,
impl<SPEC> StructuralPartialEq for CfgEnv<SPEC>
Auto Trait Implementations§
impl<SPEC> Freeze for CfgEnv<SPEC>where
SPEC: Freeze,
impl<SPEC> RefUnwindSafe for CfgEnv<SPEC>where
SPEC: RefUnwindSafe,
impl<SPEC> Send for CfgEnv<SPEC>where
SPEC: Send,
impl<SPEC> Sync for CfgEnv<SPEC>where
SPEC: Sync,
impl<SPEC> Unpin for CfgEnv<SPEC>where
SPEC: Unpin,
impl<SPEC> UnwindSafe for CfgEnv<SPEC>where
SPEC: UnwindSafe,
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