wasm-utils

Collection of WASM utilities used in pwasm-ethereum and substrate contract development

Build tools for cargo

Easiest way to use is to install via cargo install:

cargo install pwasm-utils-cli --bin wasm-build

Symbols pruning (wasm-prune)

cargo install pwasm-utils-cli --bin wasm-prune
wasm-prune <input_wasm_binary.wasm> <output_wasm_binary.wasm>

This will optimize WASM symbols tree to leave only those elements that are used by contract call function entry.

Gas counter (wasm-gas)

For development puposes, raw WASM contract can be injected with gas counters (the same way as it done by pwasm-ethereum/substrate runtime when running contracts)

cargo install pwasm-utils-cli --bin wasm-gas
wasm-gas <input_wasm_binary.wasm> <output_wasm_binary.wasm>

API

All executables use corresponding api methods of the root crate and can be combined in other build tools.

License

wasm-utils is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0), at your choice.

See LICENSE-APACHE, and LICENSE-MIT for details.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in wasm-utils by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.