canfund 0.8.5

This Rust library provides a simple interface to monitor and add cycles to canisters on the Internet Computer.
Documentation 
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use ic_cdk::call::RejectCode;
use thiserror::Error;

#[derive(Error, Debug, Clone, PartialEq, Eq)]
pub enum Error {
    #[error("The canister cycles balance retrieval failed")]
    GetCanisterCycleBalanceFailed {
        rejection_code: RejectCode,
        rejection_message: String,
    },
    #[error("Failed to convert cycles {cycles} to u128.")]
    FailedCyclesConversion { cycles: String },
    #[error("Failed to get the metrics from the http request call.")]
    MetricsHttpRequestFailed { code: RejectCode, reason: String },
    #[error("Failed to deserialize the metrics response.")]
    MetricsResponseDeserializationFailed,
    #[error("The canister cycles balance metric was not found in the response.")]
    CyclesBalanceMetricNotFound { metric_name: String },
    #[error("Could not obtain cycles for topping up the funding canister.")]
    ObtainCyclesError { details: String },
}