Build a fee rate estimation error result: a zero‐value estimation identifying the estimator and target, alongside the error message.

Synopsis

Declared in <util/fees.h>

util::Unexpected<FeeRateEstimationError>
EstimationError(
    FeeRateEstimatorType estimator,
    int returned_target,
    std::string error);

Return Value

An unexpected result wrapping the estimator, target, and error.

Parameters

Name

Description

estimator

The estimator that produced the error.

returned_target

The confirmation target associated with the failed estimate.

error

The error message describing the failure.

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