49 lines
1.4 KiB
Bash
Executable File
49 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2019-2022 @polkadot/wasm authors & contributors
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# This software may be modified and distributed under the terms
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# of the Apache-2.0 license. See the LICENSE file for details.
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set -e
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source ../scripts/rust-version.sh
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WSM=bytes/wasm_bg.wasm
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OPT=bytes/wasm_opt.wasm
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ASM=wasm-crypto-asmjs/build/cjs/data.js
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# build new via wasm-pack
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echo "*** Building Rust sources"
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cd wasm-crypto
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if [ "$RUST_VER" == "stable" ]; then
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RUSTC_BOOTSTRAP=1 cargo build --target wasm32-unknown-unknown --release -Z build-std=std,panic_abort
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else
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rustup run $RUST_VER xargo build --target wasm32-unknown-unknown --release
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fi
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cd ..
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echo "*** Converting to WASM"
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../bindgen/wasm-bindgen wasm-crypto/target/wasm32-unknown-unknown/release/wasm.wasm --out-dir bytes --target web
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# optimise
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echo "*** Optimising WASM output"
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../binaryen/bin/wasm-opt $WSM -Os -o $OPT
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# convert wasm to base64 structure
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echo "*** Packing WASM into baseX"
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node ../scripts/pack-wasm-base.cjs
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# build asmjs version from the input (optimised) WASM
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echo "*** Building asm.js version"
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../binaryen/bin/wasm2js --output $ASM $OPT
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# cleanup the generated asm, converting to cjs
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sed -i -e '/import {/d' $ASM
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sed -i -e '/export var /d' $ASM
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sed -i -e 's/{abort.*},memasmFunc/wbg, memasmFunc/g' $ASM
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sed -i -e 's/var retasmFunc = /const asmJsInit = (wbg) => /' $ASM
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echo "module.exports = { asmJsInit };" >> $ASM
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# cleanups
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rm -rf wasm-crypto-asmjs/build/cjs/*-e
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rm -rf wasm-crypto-wasm/build/cjs/*-e
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