mirror of
https://github.com/pezkuwichain/wasm-instrument.git
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a0b548b37d
* Add rustfmt.toml from substrate repo * Apply rustfmt to code base * Fix formatting * Move rustfmt job to the top
43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
use clap::{App, Arg};
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use pwasm_utils::{self as utils, logger};
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fn main() {
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logger::init();
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let target_runtime = utils::TargetRuntime::pwasm();
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let matches = App::new("wasm-prune")
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.arg(Arg::with_name("input").index(1).required(true).help("Input WASM file"))
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.arg(Arg::with_name("output").index(2).required(true).help("Output WASM file"))
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.arg(
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Arg::with_name("exports")
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.long("exports")
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.short("e")
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.takes_value(true)
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.value_name("functions")
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.help(&format!(
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"Comma-separated list of exported functions to keep. Default: '{}'",
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target_runtime.symbols().call
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)),
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)
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.get_matches();
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let exports = matches
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.value_of("exports")
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.unwrap_or(target_runtime.symbols().call)
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.split(',')
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.collect();
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let input = matches.value_of("input").expect("is required; qed");
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let output = matches.value_of("output").expect("is required; qed");
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let mut module = parity_wasm::deserialize_file(&input).unwrap();
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// Invoke optimizer
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// Contract is supposed to have only these functions as public api
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// All other symbols not usable by this list is optimized away
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utils::optimize(&mut module, exports).expect("Optimizer failed");
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parity_wasm::serialize_to_file(&output, module).expect("Serialization failed");
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}
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