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//! Items related to the DNA initialization callback.
use crate::CallbackResult;
use holo_hash::AnyDhtHash;
use holochain_serialized_bytes::prelude::*;
use holochain_wasmer_common::*;
/// The result of the DNA initialization callback.
///
/// This is the aggregated result of all of the DNA's zome initializations.
/// If any zome fails to initialize, the DNA initialization at large will fail.
///
/// [See HDK documentation on init callback.](https://docs.rs/hdk/latest/hdk/index.html#internal-callbacks)
///
/// # Examples
///
/// [Passing initialization](https://github.com/holochain/holochain/blob/develop/crates/test_utils/wasm/wasm_workspace/init_pass/src/lib.rs)
/// [Failing initialization](https://github.com/holochain/holochain/blob/develop/crates/test_utils/wasm/wasm_workspace/init_fail/src/lib.rs)
#[derive(Clone, PartialEq, Serialize, Deserialize, SerializedBytes, Debug)]
pub enum InitCallbackResult {
Pass,
Fail(String),
UnresolvedDependencies(Vec<AnyDhtHash>),
}
impl CallbackResult for InitCallbackResult {
fn is_definitive(&self) -> bool {
matches!(self, InitCallbackResult::Fail(_))
}
fn try_from_wasm_error(wasm_error: WasmError) -> Result<Self, WasmError> {
match wasm_error.error {
WasmErrorInner::Guest(_)
| WasmErrorInner::Serialize(_)
| WasmErrorInner::Deserialize(_) => {
Ok(InitCallbackResult::Fail(wasm_error.to_string()))
}
WasmErrorInner::Host(_)
| WasmErrorInner::HostShortCircuit(_)
| WasmErrorInner::GuestResultHandling(_)
| WasmErrorInner::Compile(_)
| WasmErrorInner::CallError(_)
| WasmErrorInner::PointerMap
| WasmErrorInner::ErrorWhileError
| WasmErrorInner::Memory
| WasmErrorInner::UninitializedSerializedModuleCache => Err(wasm_error),
}
}
}