feat(preimage): Async client traits #200
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Makes the `HintWriterClient` + `PreimageOracleClient` traits asynchronous to prevent blocking of the host program when executing a client program natively. Previously, since the preimage oracle bindings for the client were entirely synchronous, the loops in `PipeHandle` could cause a deadlock. Now that oracle IO is asynchronous, the runtime can interrupt a future when it yields execution (i.e. `tokio::select` works.) In the client program, synchronous execution is still guaranteed. It can run async colored functions in a minimal runtime, such as the `block_on` runtime in `kona_common`. `simple-revm` had to be changed as a part of this PR, which has an example of this.
clabby
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refcell
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Jun 3, 2024
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Overview
Makes the
HintWriterClient+PreimageOracleClienttraits asynchronous to prevent blocking of the host program when executing a client program natively.Previously, since the preimage oracle bindings for the client were entirely synchronous, the loops in
PipeHandlecould cause a deadlock. Now that oracle IO is asynchronous, the runtime can interrupt a future when it yields execution (i.e.tokio::selectworks.)In the client program, synchronous execution is still guaranteed. It can run async colored functions in a minimal runtime, such as the
block_onruntime inkona_common.simple-revmhad to be changed as a part of this PR, which has an example of this.