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#[cfg(all(not(target_arch = "wasm32"), feature = "unit-testing"))]
pub use near_vm_runner::logic::types::{PromiseResult as VmPromiseResult, ReturnData};

//* Types from near_vm_logic
/// Promise index that is computed only once.
#[derive(Debug, Eq, PartialEq, PartialOrd, Ord, Hash, Copy, Clone)]
pub struct PromiseIndex(pub(crate) u64);

/// An index of Receipt to append an action
#[deprecated(since = "4.1.0", note = "type not used within SDK, use u64 directly or another alias")]
pub type ReceiptIndex = u64;
#[deprecated(since = "4.1.0", note = "type not used within SDK, use u64 directly or another alias")]
pub type IteratorIndex = u64;

/// When there is a callback attached to one or more contract calls the execution results of these
/// calls are available to the contract invoked through the callback.
#[derive(Debug, PartialEq, Eq)]
pub enum PromiseResult {
    Successful(Vec<u8>),
    Failed,
}

#[cfg(all(not(target_arch = "wasm32"), feature = "unit-testing"))]
impl From<PromiseResult> for VmPromiseResult {
    fn from(p: PromiseResult) -> Self {
        match p {
            PromiseResult::Successful(v) => Self::Successful(v),
            PromiseResult::Failed => Self::Failed,
        }
    }
}

/// All error variants which can occur with promise results.
#[non_exhaustive]
#[derive(Debug, PartialEq, Eq)]
pub enum PromiseError {
    /// Promise result failed.
    Failed,
}