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ReentrancyProtection

pallet_revive

Enum ReentrancyProtection 

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pub enum ReentrancyProtection {
    AllowReentry,
    Strict,
    AllowNext,
}
Expand description

Level of reentrancy protection.

This needs to be specifed when a contract makes a message call. This way the calling contract can specify the level of re-entrancy protection while the callee (and it’s recursive callees) is executing.

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AllowReentry

Don’t activate reentrancy protection

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Strict

Activate strict reentrancy protection. The direct callee and none of its own recursive callees must be the calling contract.

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AllowNext

Activate reentrancy protection where the direct callee can be the same contract as the caller but none of the recursive callees of the callee must be the caller.

This is used for calls that transfer value but restrict gas so that the callee only has a stipend gas amount. In Ethereum that is not sufficient for the callee to make another call. However, due to gas scale differences that guarantee does not automatically hold in revive and we enforce it explicitly here.

Trait Implementations§

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impl Clone for ReentrancyProtection

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fn clone(&self) -> ReentrancyProtection

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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

Formats the value using the given formatter. Read more
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impl PartialEq for ReentrancyProtection

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

Tests for self and other values to be equal, and is used by ==.
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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 Copy for ReentrancyProtection

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impl StructuralPartialEq for ReentrancyProtection

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