Struct cfx_vm_types::CIP645Spec

pub struct CIP645Spec {

    pub eip1108: bool,
    pub eip1884: bool,
    pub eip2028: bool,
    pub eip_sstore_and_refund_gas: bool,
    pub eip2565: bool,
    pub eip_cold_warm_access: bool,
    pub eip3860: bool,
    pub fix_eip684: bool,
    pub fix_eip1559: bool,
    pub fix_eip5656: bool,
    pub fix_eip1153: bool,
    pub blockhash_gas: bool,
    pub opcode_update: bool,
    pub fix_extcodehash: bool,
}

Represents the feature flags for CIP-645 implementation.

While the protocol treats these features as a single atomic upgrade, separating them into named fields is merely to make the code more maintainable and self-documenting.

IMPORTANT NOTE: All fields must be consistently set to either true (enabled) or false (disabled). Mixed states will lead to undefined behavior as these features were designed to be activated as a coordinated bundle in CIP-645.

Fields

eip1108: bool

EIP-1108: Reduces gas costs for alt_bn128 precompile

eip1884: bool

EIP-1884: Reprices trie-size-dependent opcodes

eip2028: bool

EIP-2028: Reduces Calldata gas cost

eip_sstore_and_refund_gas: bool

EIP-2200: Rebalances net-metered SSTORE gas cost
EIP-3529: Removes gas refunds for SELFDESTRUCT and reduces SSTORE refunds

eip2565: bool

EIP-2565: Reduces gas cost for modular exponentiation transactions

eip_cold_warm_access: bool

EIP-2929: Increases gas costs for opcode transactions to mitigate DDoS EIP-3651: Reduces gas fees for accessing COINBASE address

eip3860: bool

EIP-3860: Limits initcode size to 49152

fix_eip684: bool

EIP-684: Revert creation in case of collision

fix_eip1559: bool

EIP-1559: EIP-1559: Fee market change for ETH 1.0 chain

fix_eip5656: bool

EIP-5656: MCOPY - Memory copying instruction

fix_eip1153: bool

EIP-1153: Transient storage opcodes

blockhash_gas: bool

opcode_update: bool

fix_extcodehash: bool

Implementations

impl CIP645Spec

pub const fn new(enabled: bool) -> Self

Trait Implementations

impl Clone for CIP645Spec

fn clone(&self) -> CIP645Spec

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CIP645Spec

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for CIP645Spec