Jaco Greeff
9438234750
* Add wasm-crypto package (just start, incomplete) * Update * Merge master * Headers * Add sha512 * Add blake2b * Add twox * xxhash with multiple rounds * Cleanup tests (non-async) * Adjust signatures * Doc comments * schnorrkel 0.1.0 crate * Simplify export names * Bip39 * Updates, ext_* function exposure * bip39 tested and working * Re-add wasm optimisations * Cleanup build script * Auto-detect internal packages * bip39ToMiniSecret
92 lines
2.3 KiB
Bash
Executable File
92 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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# cleanup old
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echo "*** Cleaning old builds"
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rm -rf ./build ./pkg
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# build new via nightly & wasm-pack
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echo "*** Building WASM output"
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rustup run nightly wasm-pack build --release --scope polkadot --target nodejs
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mv pkg build
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# shortcuts for files
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echo "*** Adjusting output"
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BGJ=build/wasm_bg.js
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SRC=build/wasm.js
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DEF=build/wasm.d.ts
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WSM=build/wasm_bg.wasm
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OPT=build/wasm_opt.wasm
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ASM=build/wasm_asm.js
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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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# cp -f build/wasm_bg.wasm build/wasm_opt.wasm
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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 --no-validation --output $ASM $OPT
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# convert wasm to base64 structure
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echo "*** Packing WASM into base64"
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node ../../scripts/pack-wasm-base64.js
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# copy our package interfaces
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echo "*** Copying package sources"
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cp src/js/* build/
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# cleanup asm
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# sed -i -e 's/import {/\/\/ import {/g' $ASM
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# sed -i -e 's/function asmFunc/var schnorrkel = require('\''\.\/wasm'\''); function asmFunc/g' $ASM
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# sed -i -e 's/export const /module\.exports\./g' $ASM
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# sed -i -e 's/{abort.*},memasmFunc/schnorrkel, memasmFunc/g' $ASM
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# we are swapping to a async interface for webpack support (wasm limits)
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sed -i -e 's/wasm = require/\/\/ wasm = require/g' $SRC
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# construct our promise and add ready helpers
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echo "
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module.exports.abort = function () { throw new Error('abort'); };
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const createPromise = require('./wasm_bg');
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const wasmPromise = createPromise().catch(() => null);
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module.exports.isReady = function () { return !!wasm; }
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module.exports.waitReady = function () { return wasmPromise.then(() => !!wasm); }
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wasmPromise.then((_wasm) => { wasm = _wasm });
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" >> $SRC
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# add extra methods to type definitions
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echo "
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export function isReady(): boolean;
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export function waitReady(): Promise<boolean>;
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" >> $DEF
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# create the init promise handler
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echo "
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const asm = null; // require('./wasm_asm');
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const bytes = require('./wasm_wasm');
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const js = require('./wasm');
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module.exports = async function createExportPromise () {
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const imports = {
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'./wasm': js
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};
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if (!WebAssembly) {
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return asm;
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}
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try {
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const { instance } = await WebAssembly.instantiate(bytes, imports);
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return instance.exports;
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} catch (error) {
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return asm;
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}
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}
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" > $BGJ
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