rm state_sim WASM wrapper/demo (#5421)

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tersec 2023-09-12 15:03:18 +00:00 committed by GitHub
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5 changed files with 2 additions and 303 deletions

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# Run nimbus state sim in a browser
# Run nimbus ncli in a browser
Simple runners for in-browser running of WASM versions of applications - based
on emscripten-generated code.
```
# Make sure you have built nimbus-eth2 with make first!
./build.sh
./build_ncli.sh
# Run a http server here (wasm + file:/// apparently don't mix)
python -m SimpleHTTPServer

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#!/usr/bin/env bash
# Simple build script to produce an Emscripten-based wasm version of the state
# sim.
# Assumes you have emcc latest-upstream in you PATH, per their install
# instructions (https://emscripten.org/docs/getting_started/downloads.html)
#
# git clone https://github.com/emscripten-core/emsdk.git
# cd emsdk
# git pull
# ./emsdk install latest-upstream
# ./emsdk activate latest-upstream
# source ./emsdk_env.sh
# Clean build every time - we use wildcards below so this keeps it simple
rm -rf state_sim/nimcache
# GC + emcc optimizer leads to crashes - for now, we disable the GC here
../env.sh nim c \
--cpu:i386 --os:linux --gc:none --threads:off \
-d:release -d:clang -d:emscripten -d:noSignalHandler -d:usemalloc \
--nimcache:state_sim/nimcache \
-c ../research/state_sim.nim
../env.sh emcc \
-I ../vendor/nimbus-build-system/vendor/Nim/lib \
state_sim/nimcache/*.c \
../vendor/nim-blscurve/blscurve/csources/32/{big_384_29.c,ecp2_BLS381.c,rom_curve_BLS381.c,ecp_BLS381.c,fp2_BLS381.c,fp_BLS381.c,rom_field_BLS381.c,pair_BLS381.c,fp12_BLS381.c,fp4_BLS381.c} \
-s ERROR_ON_UNDEFINED_SYMBOLS=0 \
-s TOTAL_MEMORY=1073741824 \
-s EXTRA_EXPORTED_RUNTIME_METHODS=FS \
-s WASM=1 \
--shell-file state_sim_shell.html \
-O3 \
-o state_sim/state_sim.html

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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Nimbus tooling</title>
</head>
<style>
body,
html {
font-family: monospace;
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
.row-container {
display: flex;
width: 100%;
height: 100%;
flex-direction: column;
overflow: hidden;
}
.first-row {
background-image: url("https://our.status.im/content/images/2018/12/Artboard-1-copy-15@2x.png");
background-position: center; /* Center the image */
background-repeat: no-repeat; /* Do not repeat the image */
background-size: 100%;
border: none;
margin: 0;
padding: 0;
}
.second-row {
flex-grow: 1;
border: none;
margin: 0;
padding: 0;
}
</style>
<div class="row-container">
<div class="first-row">
<p><a href="https://github.com/status-im/nimbus-eth2#state-transition-simulation">Ethereum Beacon Chain state transition simulation</a> (unoptimized work in progress, you might run out of memory)</p>
<form action="state_sim/state_sim.html" method="get" target="frame">
<table>
<tr>
<td>Create / Validate BLS signatures</td>
<td>Validators</td>
<td>Slots</td>
<td>Attestation ratio</td>
</tr>
<tr>
<td><input type="radio" name="--validate" value="true">true<input type="radio" name="--validate" value="false"
checked="true"> false</td>
<td><input type="text" name="--validators" value="100"></input></td>
<td><input type="text" name="--slots" value="10"></input></td>
<td><input type="text" name="--attesterRatio" value="0.9"></input></td>
</tr>
</table>
<input type="submit" value="Run that state transition!">
</form>
</div>
<iframe name="frame" src="" class="second-row"></iframe>
</div>
</html>

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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Nimbus State Sim</title>
</head>
<style>
body,
html {
font-family: monospace;
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
.row-container {
display: flex;
width: 100%;
height: 100%;
flex-direction: column;
overflow: hidden;
}
.first-row {
background-image: url("https://our.status.im/content/images/2018/12/Artboard-1-copy-15@2x.png");
background-position: center; /* Center the image */
background-repeat: no-repeat; /* Do not repeat the image */
background-size: 100%;
border: none;
margin: 0;
padding: 0;
}
.second-row {
flex-grow: 1;
border: none;
margin: 0;
padding: 0;
}
</style>
<div class="row-container">
<div class="first-row">
<p><a href="https://github.com/status-im/nimbus-eth2#state-transition-simulation">Ethereum Beacon Chain state transition simulation</a> (unoptimized work in progress, you might run out of memory)</p>
<form action="state_sim/state_sim.html" method="get" target="frame">
<table>
<tr>
<td>Create / Validate BLS signatures</td>
<td>Validators</td>
<td>Slots</td>
<td>Attestation ratio</td>
</tr>
<tr>
<td><input type="radio" name="--validate" value="true">true<input type="radio" name="--validate" value="false"
checked="true"> false</td>
<td><input type="text" name="--validators" value="100"></input></td>
<td><input type="text" name="--slots" value="10"></input></td>
<td><input type="text" name="--attesterRatio" value="0.9"></input></td>
</tr>
</table>
<input type="submit" value="Run that state transition!">
</form>
</div>
<iframe name="frame" src="" class="second-row"></iframe>
</div>
</html>

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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Nimbus state transition function</title>
<style>
body,
html {
font-family: monospace;
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
.row-container {
display: flex;
width: 100%;
height: 100%;
align-items: center;
flex-direction: column;
overflow: hidden;
}
.first-row {
}
.second-row {
flex-grow: 1;
border: none;
margin: 0;
padding: 0;
}
textarea.emscripten {
font-family: monospace;
background-color: beige;
width: 95%;
}
div.emscripten_border {
border: 1px solid black;
}
</style>
</head>
<body height="100%" class="row-container">
<div class="first-row">
<div class="emscripten" id="status">Running...</div>
<hr />
</div>
<textarea class="emscripten second-row" id="output" rows=50></textarea>
<script type='text/javascript'>
var statusElement = document.getElementById('status');
var progressElement = document.getElementById('progress');
var Module = {
arguments: window.location.search.substr(1).trim().split('&').concat(["--write_last_json:true"]),
preRun: [],
postRun: [() => offerFileAsDownload("state.json", "mime/type")],
print: (function () {
var element = document.getElementById('output');
if (element) element.value = ''; // clear browser cache
return function (text) {
if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
// These replacements are necessary if you render to raw HTML
//text = text.replace(/&/g, "&amp;");
//text = text.replace(/</g, "&lt;");
//text = text.replace(/>/g, "&gt;");
//text = text.replace('\n', '<br>', 'g');
console.log(text);
if (element) {
element.value += text + "\n";
element.scrollTop = element.scrollHeight; // focus on bottom
}
};
})(),
printErr: function (text) {
if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
console.error(text);
},
canvas: (function () { return null; })(),
setStatus: function (text) {
if (!Module.setStatus.last) Module.setStatus.last = { time: Date.now(), text: '' };
if (text === Module.setStatus.last.text) return;
statusElement.innerHTML = text;
},
totalDependencies: 0,
monitorRunDependencies: function (left) {
this.totalDependencies = Math.max(this.totalDependencies, left);
Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies - left) + '/' + this.totalDependencies + ')' : 'All downloads complete.');
}
};
Module.setStatus('Downloading...');
window.onerror = function () {
Module.setStatus('Exception thrown, see JavaScript console');
Module.setStatus = function (text) {
if (text) Module.printErr('[post-exception status] ' + text);
};
};
function offerFileAsDownload(filename, mime) {
mime = mime || "application/octet-stream";
let content = Module.FS.readFile(filename);
console.log(`Offering download of "${filename}", with ${content.length} bytes...`);
var a = document.createElement('a');
a.download = filename;
a.innerText = "Download state.json";
a.href = URL.createObjectURL(new Blob([content], { type: mime }));
statusElement.innerHTML = ""
statusElement.appendChild(a)
}
</script>
{{{ SCRIPT }}}
</body>
</html>