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PoolOpenFailureReason

decdn_incentive::pool_open_error

Enum PoolOpenFailureReason 

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pub enum PoolOpenFailureReason {
    InsufficientDeposit,
    ContractRevert,
    RpcError,
}
Expand description

Which class of failure aborted a buyer openPool attempt (#966). Carried through the anyhow error chain as typed context so the metrics layer can bump the matching decdn_pool_open_failures_{reason}_total sibling counter (one counter per class — a plain counter field carries no label dimension) and attach a structured reason log field, while the human-readable message is preserved for logs.

The sibling-counter shape is the settled convention (#1475), not a stopgap: these three classes have unrelated operator remedies (fund the wallet / fix the contract call / chase the RPC) and no meaningful aggregate — “how many pool opens failed” is not a question with one answer or one response. decdn_probe_hold_unavailable_total is the one labeled reason split, and it is labeled precisely because its values do share one aggregate and one budget axis.

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InsufficientDeposit

The node’s USDC balance/allowance cannot cover the deposit; or the deposit is zero — as requested, or as the received balance delta under a fee-on-transfer token; or the credited deposit is below the network’s minDeposit. An operator misconfiguration either way. Metric label insufficient_deposit.

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ContractRevert

Any other deterministic on-chain revert (the deposit was not escrowed). Metric label contract_revert.

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RpcError

A transient transport/RPC fault (no revert data) — submit or receipt wait failed at the network layer. Metric label rpc_error.

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impl PoolOpenFailureReason

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pub const fn as_label(self) -> &'static str

The metric/label and structured-log reason token for this class — the {reason} slug in the decdn_pool_open_failures_{reason}_total sibling counter name and the value of the structured-log reason field.

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pub fn classify_revert_data(revert_data: Option<&Bytes>) -> Self

Classify the revert data (if any) attached to an openPool submit (send()) error. None revert data is a transport/RPC fault; present revert data is decoded against the insufficient-deposit error selectors to split InsufficientDeposit from a generic ContractRevert.

Pass the result of alloy’s Error::as_revert_data() (an inherent method on alloy_contract::Error); keeping the signature on raw bytes makes the policy unit-testable without constructing a live RPC error.

Trait Implementations§

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impl Clone for PoolOpenFailureReason

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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 Copy for PoolOpenFailureReason

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impl Debug for PoolOpenFailureReason

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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 PoolOpenFailureReason

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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 Eq for PoolOpenFailureReason

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impl PartialEq for PoolOpenFailureReason

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for PoolOpenFailureReason

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