reth_node_core::primitives

Enum ForkCondition

pub enum ForkCondition {
    Block(u64),
    TTD {
        fork_block: Option<u64>,
        total_difficulty: Uint<256, 4>,
    },
    Timestamp(u64),
    Never,
}
Expand description

The condition at which a fork is activated.

Variants§

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Block(u64)

The fork is activated after a certain block.

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TTD

The fork is activated after a total difficulty has been reached.

Fields

§fork_block: Option<u64>

The block number at which TTD is reached, if it is known.

This should NOT be set unless you want this block advertised as EIP-2124 FORK_NEXT. This is currently only the case for Sepolia and Holesky.

§total_difficulty: Uint<256, 4>

The total difficulty after which the fork is activated.

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Timestamp(u64)

The fork is activated after a specific timestamp.

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Never

The fork is never activated

Implementations§

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impl ForkCondition

pub const fn is_timestamp(&self) -> bool

Returns true if the fork condition is timestamp based.

pub const fn active_at_block(&self, current_block: u64) -> bool

Checks whether the fork condition is satisfied at the given block.

For TTD conditions, this will only return true if the activation block is already known.

For timestamp conditions, this will always return false.

pub const fn transitions_at_block(&self, current_block: u64) -> bool

Checks if the given block is the first block that satisfies the fork condition.

This will return false for any condition that is not block based.

pub fn active_at_ttd(&self, ttd: Uint<256, 4>, difficulty: Uint<256, 4>) -> bool

Checks whether the fork condition is satisfied at the given total difficulty and difficulty of a current block.

The fork is considered active if the previous total difficulty is above the threshold. To achieve that, we subtract the passed difficulty from the current block’s total difficulty, and check if it’s above the Fork Condition’s total difficulty (here: 58_750_000_000_000_000_000_000)

This will return false for any condition that is not TTD-based.

pub const fn active_at_timestamp(&self, timestamp: u64) -> bool

Checks whether the fork condition is satisfied at the given timestamp.

This will return false for any condition that is not timestamp-based.

pub const fn transitions_at_timestamp( &self, timestamp: u64, parent_timestamp: u64, ) -> bool

Checks if the given block is the first block that satisfies the fork condition.

This will return false for any condition that is not timestamp based.

pub fn active_at_head(&self, head: &Head) -> bool

Checks whether the fork condition is satisfied at the given head block.

This will return true if:

  • The condition is satisfied by the block number;
  • The condition is satisfied by the timestamp;
  • or the condition is satisfied by the total difficulty

pub const fn ttd(&self) -> Option<Uint<256, 4>>

Get the total terminal difficulty for this fork condition.

Returns None for fork conditions that are not TTD based.

pub const fn as_timestamp(&self) -> Option<u64>

Returns the timestamp of the fork condition, if it is timestamp based.

Trait Implementations§

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impl Clone for ForkCondition

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fn clone(&self) -> ForkCondition

Returns a copy of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for ForkCondition

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

Formats the value using the given formatter. Read more
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impl Default for ForkCondition

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fn default() -> ForkCondition

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for ForkCondition

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fn deserialize<__D>( __deserializer: __D, ) -> Result<ForkCondition, <__D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl PartialEq for ForkCondition

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fn eq(&self, other: &ForkCondition) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for ForkCondition

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fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Copy for ForkCondition

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impl Eq for ForkCondition

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impl StructuralPartialEq for ForkCondition

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Size: 48 bytes

Size for each variant:

  • Block: 16 bytes
  • TTD: 48 bytes
  • Timestamp: 16 bytes
  • Never: 0 bytes