Questions tagged [wasmtime]
The wasmtime tag has no usage guidance.
4 questions
2
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1
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Syncing with a chain that requires host functions deprecated by the Substrate
I'm working on upgrading a Substrate-based standalone chain that was launched several years ago.
Recently, we made a transition from polkadot-v0.9.34 to polkadot-v0.9.35. After we did that, we are no ...
7
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2
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How is wasmi different from wasmtime?
I found wasmi is a dependency in multiple substrate crates, but there's one crate that also uses wasmtime. How is wasmi different from wasmtime?
1
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1
answer
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How to register HostFunction into WASM Runtime?
When I read the code of the wasmtime executor, I can't understand the way to register the HostFunction to the wasm module. What is the role of the sp_wasm_interface::HostFunctionRegistry trait? How is ...
8
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1
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What is the relationship between `sandbox`, `executor` and `runtime`?
I was recently reading the code for Substrate wasmtime, but I ran into some problems. I don't really understand the difference between runtime and sandbox.
For example, in the runtime.rs file, we can ...