ArbPrecompileError

arb_precompiles

Enum ArbPrecompileError 

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pub enum ArbPrecompileError {
    Revert {
        selector: Option<[u8; 4]>,
        data: Bytes,
        gas_used: u64,
    },
    OutOfGas,
    Fatal(Box<dyn Error + Send + Sync>),
}
Expand description

Errors raised by Arbitrum precompiles.

Revert and OutOfGas are user-visible: the transaction reverts and the surrounding block continues. Fatal indicates an infrastructure failure (database error, broken storage invariant) and must abort the block.

Variants§

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Revert

User-visible revert. The block continues; the tx reverts.

Fields

§selector: Option<[u8; 4]>

Optional Solidity custom-error selector that prefixes data.

§data: Bytes

ABI-encoded revert payload returned to the caller.

§gas_used: u64

Precompile gas accounted up to the point of the revert.

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OutOfGas

Out of gas during precompile execution. User-visible.

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Fatal(Box<dyn Error + Send + Sync>)

Infrastructure failure. Maps to PrecompileError::Fatal so the block aborts instead of producing a user-visible revert.

Implementations§

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impl ArbPrecompileError

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pub fn fatal<E>(err: E) -> Self
where E: Error + Send + Sync + 'static,

Wraps any Error as a ArbPrecompileError::Fatal.

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pub fn empty_revert(gas_used: u64) -> Self

Builds a Revert carrying empty data and the current precompile-gas accumulator.

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pub fn into_precompile_result(self, gas_limit: u64) -> PrecompileResult

Converts this error into a [PrecompileResult], capped by gas_limit.

Revert produces a successful PrecompileOutput::new_reverted carrying the configured selector and payload. OutOfGas and Fatal become Err-variant PrecompileErrors.

Trait Implementations§

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impl Debug for ArbPrecompileError

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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 Display for ArbPrecompileError

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

Formats the value using the given formatter. Read more
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impl Error for ArbPrecompileError

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fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any. Read more
1.0.0 · Source§

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
Read more
1.0.0 · Source§

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type-based access to context intended for error reports. Read more
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impl From<ArbPrecompileError> for PrecompileError

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fn from(err: ArbPrecompileError) -> Self

Converts to this type from the input type.
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impl From<StorageError> for ArbPrecompileError

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fn from(err: StorageError) -> Self

Converts to this type from the input type.

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