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Version

hpsvm

Struct Version 

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pub struct Version {
    pub feature_set: Arc<FeatureSet>,
    pub fee_structure: FeeStructure,
    pub compute_budget: Option<ComputeBudget>,
    pub rent: Rent,
    pub limits: RuntimeLimits,
    pub cluster: ClusterInfo,
    pub sigverify: bool,
    pub blockhash_check: bool,
    pub compute_diagnostics: bool,
    pub jit_policy: JitPolicy,
}
Expand description

All execution-shaping configuration in one value.

Clone (not Copy): the feature set is reference-counted via Arc.

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§feature_set: Arc<FeatureSet>

Active protocol feature gates.

§fee_structure: FeeStructure

Fee structure used for fee calculation.

§compute_budget: Option<ComputeBudget>

Compute-budget override. None derives the budget per transaction from the compute-budget instructions and feature gates.

§rent: Rent

Rent parameters used for rent-exemption checks and sysvar materialization.

§limits: RuntimeLimits

Numeric runtime limits.

§cluster: ClusterInfo

Cluster profile this version was derived from.

§sigverify: bool

Whether transactions go through signature verification.

Carried over from SvmCfg.

§blockhash_check: bool

Whether the recent-blockhash / nonce check runs.

Carried over from SvmCfg.

§compute_diagnostics: bool

Whether transaction outcomes carry pre/post diffs and token balances.

Carried over from SvmCfg.

§jit_policy: JitPolicy

Compiled-program tiering policy.

Defaults to JitPolicy::Eager (today’s behavior). Override per VM via Version::with_jit_policy or the builder’s with_jit_policy.

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impl Version

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pub fn base(spec_id: ClusterSpecId) -> &'static Self

Returns the base version for a built-in cluster profile.

All profiles share the current defaults and differ only in ClusterInfo; protocol differences arrive via Version::with_feature overrides. The same &Version pointer is returned on every call.

(Deviates from the design sketch, which asks for const fn: a const context cannot build the AHashMap inside FeatureSet. This is a plain fn returning &'static Self from OnceLock statics.)

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pub const fn with_jit_policy(self, policy: JitPolicy) -> Self

Returns a copy of this version with the JIT tiering policy replaced.

The default is JitPolicy::Eager; Lazy opts into interpreter-first tiering and Off forces the interpreter even on x86_64 (diagnostics / equivalence gate).

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pub fn with_feature(self, id: &Address, enabled: bool) -> Self

Returns a copy of this version with one feature gate flipped.

The key type is Address, which is the real FeatureSet key: solana_pubkey::Pubkey is a re-export alias of it, so agave_feature_set::...::ID values pass directly. Enabling activates the gate at slot 0; disabling removes it. Every other gate is untouched.

Trait Implementations§

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impl Clone for Version

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

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

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

Formats the value using the given formatter. Read more

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