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fix: kraiken-lib: fix broken tests + raise coverage to 95% (#286)

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
openhands 2026-02-26 01:09:55 +00:00
parent 2aa85f5a03
commit dc95b2d22e
23 changed files with 8 additions and 3177 deletions
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3
kraiken-lib/.gitignore vendored
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@ -1 +1,2 @@
dist dist
coverage

224
kraiken-lib/coverage/base.css
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@ -1,224 +0,0 @@
body, html {
margin:0; padding: 0;
height: 100%;
}
body {
font-family: Helvetica Neue, Helvetica, Arial;
font-size: 14px;
color:#333;
}
.small { font-size: 12px; }
*, *:after, *:before {
-webkit-box-sizing:border-box;
-moz-box-sizing:border-box;
box-sizing:border-box;
}
h1 { font-size: 20px; margin: 0;}
h2 { font-size: 14px; }
pre {
font: 12px/1.4 Consolas, "Liberation Mono", Menlo, Courier, monospace;
margin: 0;
padding: 0;
-moz-tab-size: 2;
-o-tab-size: 2;
tab-size: 2;
}
a { color:#0074D9; text-decoration:none; }
a:hover { text-decoration:underline; }
.strong { font-weight: bold; }
.space-top1 { padding: 10px 0 0 0; }
.pad2y { padding: 20px 0; }
.pad1y { padding: 10px 0; }
.pad2x { padding: 0 20px; }
.pad2 { padding: 20px; }
.pad1 { padding: 10px; }
.space-left2 { padding-left:55px; }
.space-right2 { padding-right:20px; }
.center { text-align:center; }
.clearfix { display:block; }
.clearfix:after {
content:'';
display:block;
height:0;
clear:both;
visibility:hidden;
}
.fl { float: left; }
@media only screen and (max-width:640px) {
.col3 { width:100%; max-width:100%; }
.hide-mobile { display:none!important; }
}
.quiet {
color: #7f7f7f;
color: rgba(0,0,0,0.5);
}
.quiet a { opacity: 0.7; }
.fraction {
font-family: Consolas, 'Liberation Mono', Menlo, Courier, monospace;
font-size: 10px;
color: #555;
background: #E8E8E8;
padding: 4px 5px;
border-radius: 3px;
vertical-align: middle;
}
div.path a:link, div.path a:visited { color: #333; }
table.coverage {
border-collapse: collapse;
margin: 10px 0 0 0;
padding: 0;
}
table.coverage td {
margin: 0;
padding: 0;
vertical-align: top;
}
table.coverage td.line-count {
text-align: right;
padding: 0 5px 0 20px;
}
table.coverage td.line-coverage {
text-align: right;
padding-right: 10px;
min-width:20px;
}
table.coverage td span.cline-any {
display: inline-block;
padding: 0 5px;
width: 100%;
}
.missing-if-branch {
display: inline-block;
margin-right: 5px;
border-radius: 3px;
position: relative;
padding: 0 4px;
background: #333;
color: yellow;
}
.skip-if-branch {
display: none;
margin-right: 10px;
position: relative;
padding: 0 4px;
background: #ccc;
color: white;
}
.missing-if-branch .typ, .skip-if-branch .typ {
color: inherit !important;
}
.coverage-summary {
border-collapse: collapse;
width: 100%;
}
.coverage-summary tr { border-bottom: 1px solid #bbb; }
.keyline-all { border: 1px solid #ddd; }
.coverage-summary td, .coverage-summary th { padding: 10px; }
.coverage-summary tbody { border: 1px solid #bbb; }
.coverage-summary td { border-right: 1px solid #bbb; }
.coverage-summary td:last-child { border-right: none; }
.coverage-summary th {
text-align: left;
font-weight: normal;
white-space: nowrap;
}
.coverage-summary th.file { border-right: none !important; }
.coverage-summary th.pct { }
.coverage-summary th.pic,
.coverage-summary th.abs,
.coverage-summary td.pct,
.coverage-summary td.abs { text-align: right; }
.coverage-summary td.file { white-space: nowrap; }
.coverage-summary td.pic { min-width: 120px !important; }
.coverage-summary tfoot td { }
.coverage-summary .sorter {
height: 10px;
width: 7px;
display: inline-block;
margin-left: 0.5em;
background: url(sort-arrow-sprite.png) no-repeat scroll 0 0 transparent;
}
.coverage-summary .sorted .sorter {
background-position: 0 -20px;
}
.coverage-summary .sorted-desc .sorter {
background-position: 0 -10px;
}
.status-line { height: 10px; }
/* yellow */
.cbranch-no { background: yellow !important; color: #111; }
/* dark red */
.red.solid, .status-line.low, .low .cover-fill { background:#C21F39 }
.low .chart { border:1px solid #C21F39 }
.highlighted,
.highlighted .cstat-no, .highlighted .fstat-no, .highlighted .cbranch-no{
background: #C21F39 !important;
}
/* medium red */
.cstat-no, .fstat-no, .cbranch-no, .cbranch-no { background:#F6C6CE }
/* light red */
.low, .cline-no { background:#FCE1E5 }
/* light green */
.high, .cline-yes { background:rgb(230,245,208) }
/* medium green */
.cstat-yes { background:rgb(161,215,106) }
/* dark green */
.status-line.high, .high .cover-fill { background:rgb(77,146,33) }
.high .chart { border:1px solid rgb(77,146,33) }
/* dark yellow (gold) */
.status-line.medium, .medium .cover-fill { background: #f9cd0b; }
.medium .chart { border:1px solid #f9cd0b; }
/* light yellow */
.medium { background: #fff4c2; }
.cstat-skip { background: #ddd; color: #111; }
.fstat-skip { background: #ddd; color: #111 !important; }
.cbranch-skip { background: #ddd !important; color: #111; }
span.cline-neutral { background: #eaeaea; }
.coverage-summary td.empty {
opacity: .5;
padding-top: 4px;
padding-bottom: 4px;
line-height: 1;
color: #888;
}
.cover-fill, .cover-empty {
display:inline-block;
height: 12px;
}
.chart {
line-height: 0;
}
.cover-empty {
background: white;
}
.cover-full {
border-right: none !important;
}
pre.prettyprint {
border: none !important;
padding: 0 !important;
margin: 0 !important;
}
.com { color: #999 !important; }
.ignore-none { color: #999; font-weight: normal; }
.wrapper {
min-height: 100%;
height: auto !important;
height: 100%;
margin: 0 auto -48px;
}
.footer, .push {
height: 48px;
}

87
kraiken-lib/coverage/block-navigation.js
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@ -1,87 +0,0 @@
/* eslint-disable */
var jumpToCode = (function init() {
// Classes of code we would like to highlight in the file view
var missingCoverageClasses = ['.cbranch-no', '.cstat-no', '.fstat-no'];
// Elements to highlight in the file listing view
var fileListingElements = ['td.pct.low'];
// We don't want to select elements that are direct descendants of another match
var notSelector = ':not(' + missingCoverageClasses.join('):not(') + ') > '; // becomes `:not(a):not(b) > `
// Selecter that finds elements on the page to which we can jump
var selector =
fileListingElements.join(', ') +
', ' +
notSelector +
missingCoverageClasses.join(', ' + notSelector); // becomes `:not(a):not(b) > a, :not(a):not(b) > b`
// The NodeList of matching elements
var missingCoverageElements = document.querySelectorAll(selector);
var currentIndex;
function toggleClass(index) {
missingCoverageElements
.item(currentIndex)
.classList.remove('highlighted');
missingCoverageElements.item(index).classList.add('highlighted');
}
function makeCurrent(index) {
toggleClass(index);
currentIndex = index;
missingCoverageElements.item(index).scrollIntoView({
behavior: 'smooth',
block: 'center',
inline: 'center'
});
}
function goToPrevious() {
var nextIndex = 0;
if (typeof currentIndex !== 'number' || currentIndex === 0) {
nextIndex = missingCoverageElements.length - 1;
} else if (missingCoverageElements.length > 1) {
nextIndex = currentIndex - 1;
}
makeCurrent(nextIndex);
}
function goToNext() {
var nextIndex = 0;
if (
typeof currentIndex === 'number' &&
currentIndex < missingCoverageElements.length - 1
) {
nextIndex = currentIndex + 1;
}
makeCurrent(nextIndex);
}
return function jump(event) {
if (
document.getElementById('fileSearch') === document.activeElement &&
document.activeElement != null
) {
// if we're currently focused on the search input, we don't want to navigate
return;
}
switch (event.which) {
case 78: // n
case 74: // j
goToNext();
break;
case 66: // b
case 75: // k
case 80: // p
goToPrevious();
break;
}
};
})();
window.addEventListener('keydown', jumpToCode);

306
kraiken-lib/coverage/clover.xml
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@ -1,306 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<coverage generated="1772066535777" clover="3.2.0">
<project timestamp="1772066535777" name="All files">
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163
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<span class='fraction'>18/18</span>
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<span class="quiet">Branches</span>
<span class='fraction'>12/12</span>
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<span class="quiet">Functions</span>
<span class='fraction'>4/4</span>
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<span class='fraction'>18/18</span>
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<a name='L2'></a><a href='#L2'>2</a>
<a name='L3'></a><a href='#L3'>3</a>
<a name='L4'></a><a href='#L4'>4</a>
<a name='L5'></a><a href='#L5'>5</a>
<a name='L6'></a><a href='#L6'>6</a>
<a name='L7'></a><a href='#L7'>7</a>
<a name='L8'></a><a href='#L8'>8</a>
<a name='L9'></a><a href='#L9'>9</a>
<a name='L10'></a><a href='#L10'>10</a>
<a name='L11'></a><a href='#L11'>11</a>
<a name='L12'></a><a href='#L12'>12</a>
<a name='L13'></a><a href='#L13'>13</a>
<a name='L14'></a><a href='#L14'>14</a>
<a name='L15'></a><a href='#L15'>15</a>
<a name='L16'></a><a href='#L16'>16</a>
<a name='L17'></a><a href='#L17'>17</a>
<a name='L18'></a><a href='#L18'>18</a>
<a name='L19'></a><a href='#L19'>19</a>
<a name='L20'></a><a href='#L20'>20</a>
<a name='L21'></a><a href='#L21'>21</a>
<a name='L22'></a><a href='#L22'>22</a>
<a name='L23'></a><a href='#L23'>23</a>
<a name='L24'></a><a href='#L24'>24</a>
<a name='L25'></a><a href='#L25'>25</a>
<a name='L26'></a><a href='#L26'>26</a>
<a name='L27'></a><a href='#L27'>27</a></td><td class="line-coverage quiet"><span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-neutral">&nbsp;</span>
<span class="cline-any cline-neutral">&nbsp;</span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-yes">17x</span>
<span class="cline-any cline-yes">17x</span>
<span class="cline-any cline-yes">17x</span>
<span class="cline-any cline-neutral">&nbsp;</span>
<span class="cline-any cline-neutral">&nbsp;</span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-yes">7x</span>
<span class="cline-any cline-yes">7x</span>
<span class="cline-any cline-yes">7x</span>
<span class="cline-any cline-neutral">&nbsp;</span>
<span class="cline-any cline-neutral">&nbsp;</span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-yes">5x</span>
<span class="cline-any cline-yes">5x</span>
<span class="cline-any cline-yes">5x</span>
<span class="cline-any cline-yes">5x</span>
<span class="cline-any cline-yes">5x</span>
<span class="cline-any cline-neutral">&nbsp;</span>
<span class="cline-any cline-neutral">&nbsp;</span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-yes">5x</span>
<span class="cline-any cline-yes">5x</span>
<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import { formatUnits } from 'viem';
&nbsp;
/** Convert wei (bigint or string) to a JS number. Core primitive. */
export function weiToNumber(value: bigint | string, decimals = 18): number {
const bi = typeof value === 'string' ? BigInt(value || '0') : (value ?? 0n);
return Number(formatUnits(bi, decimals));
}
&nbsp;
/** Format wei to fixed decimal string (e.g. "0.00123") */
export function formatWei(value: bigint | string, decimals = 18, digits = 5): string {
const num = weiToNumber(value, decimals);
return num === 0 ? '0' : num.toFixed(digits);
}
&nbsp;
/** Format number to compact display (e.g. "1.23K", "4.56M") */
export function compactNumber(value: number): string {
return Intl.NumberFormat('en-US', {
notation: 'compact',
maximumFractionDigits: 2,
}).format(value);
}
&nbsp;
/** Format number with commas (e.g. "1,234,567") */
export function commaNumber(value: number): string {
return value ? value.toLocaleString('en-US') : '0';
}
&nbsp;</pre></td></tr></table></pre>
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<span class="quiet">Statements</span>
<span class='fraction'>16/16</span>
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<div class='fl pad1y space-right2'>
<span class="strong">100% </span>
<span class="quiet">Branches</span>
<span class='fraction'>11/11</span>
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<span class="strong">100% </span>
<span class="quiet">Functions</span>
<span class='fraction'>2/2</span>
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<span class='fraction'>16/16</span>
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<a name='L2'></a><a href='#L2'>2</a>
<a name='L3'></a><a href='#L3'>3</a>
<a name='L4'></a><a href='#L4'>4</a>
<a name='L5'></a><a href='#L5'>5</a>
<a name='L6'></a><a href='#L6'>6</a>
<a name='L7'></a><a href='#L7'>7</a>
<a name='L8'></a><a href='#L8'>8</a>
<a name='L9'></a><a href='#L9'>9</a>
<a name='L10'></a><a href='#L10'>10</a>
<a name='L11'></a><a href='#L11'>11</a>
<a name='L12'></a><a href='#L12'>12</a>
<a name='L13'></a><a href='#L13'>13</a>
<a name='L14'></a><a href='#L14'>14</a>
<a name='L15'></a><a href='#L15'>15</a>
<a name='L16'></a><a href='#L16'>16</a>
<a name='L17'></a><a href='#L17'>17</a>
<a name='L18'></a><a href='#L18'>18</a>
<a name='L19'></a><a href='#L19'>19</a></td><td class="line-coverage quiet"><span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-neutral">&nbsp;</span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-yes">20x</span>
<span class="cline-any cline-yes">20x</span>
<span class="cline-any cline-yes">20x</span>
<span class="cline-any cline-yes">7x</span>
<span class="cline-any cline-yes">7x</span>
<span class="cline-any cline-yes">7x</span>
<span class="cline-any cline-yes">20x</span>
<span class="cline-any cline-yes">6x</span>
<span class="cline-any cline-yes">6x</span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-neutral">&nbsp;</span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-yes">3x</span>
<span class="cline-any cline-yes">3x</span>
<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import { bytesToUint256LittleEndian } from './subgraph.js';
&nbsp;
export function toBigIntId(id: string | Uint8Array | number | bigint): bigint {
if (typeof id === 'bigint') return id;
if (typeof id === 'number') return BigInt(id);
if (typeof id === 'string') {
const trimmed = id.startsWith('0x') ? id : `0x${id}`;
return BigInt(trimmed);
}
if (id instanceof Uint8Array) {
return bytesToUint256LittleEndian(id);
}
throw new Error('Unsupported position id type');
}
&nbsp;
export function decodePositionId(id: string | Uint8Array | number | bigint): bigint {
return toBigIntId(id);
}
&nbsp;</pre></td></tr></table></pre>
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kraiken-lib/coverage/index.html
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<div class='clearfix'>
<div class='fl pad1y space-right2'>
<span class="strong">100% </span>
<span class="quiet">Statements</span>
<span class='fraction'>276/276</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">100% </span>
<span class="quiet">Branches</span>
<span class='fraction'>99/99</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">100% </span>
<span class="quiet">Functions</span>
<span class='fraction'>18/18</span>
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<span class="quiet">Lines</span>
<span class='fraction'>276/276</span>
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Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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<td class="file high" data-value="format.ts"><a href="format.ts.html">format.ts</a></td>
<td data-value="100" class="pic high">
<div class="chart"><div class="cover-fill cover-full" style="width: 100%"></div><div class="cover-empty" style="width: 0%"></div></div>
</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="18" class="abs high">18/18</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="12" class="abs high">12/12</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="4" class="abs high">4/4</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="18" class="abs high">18/18</td>
</tr>
<tr>
<td class="file high" data-value="ids.ts"><a href="ids.ts.html">ids.ts</a></td>
<td data-value="100" class="pic high">
<div class="chart"><div class="cover-fill cover-full" style="width: 100%"></div><div class="cover-empty" style="width: 0%"></div></div>
</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="16" class="abs high">16/16</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="11" class="abs high">11/11</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="2" class="abs high">2/2</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="16" class="abs high">16/16</td>
</tr>
<tr>
<td class="file high" data-value="position.ts"><a href="position.ts.html">position.ts</a></td>
<td data-value="100" class="pic high">
<div class="chart"><div class="cover-fill cover-full" style="width: 100%"></div><div class="cover-empty" style="width: 0%"></div></div>
</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="31" class="abs high">31/31</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="18" class="abs high">18/18</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="2" class="abs high">2/2</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="31" class="abs high">31/31</td>
</tr>
<tr>
<td class="file high" data-value="snatch.ts"><a href="snatch.ts.html">snatch.ts</a></td>
<td data-value="100" class="pic high">
<div class="chart"><div class="cover-fill cover-full" style="width: 100%"></div><div class="cover-empty" style="width: 0%"></div></div>
</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="100" class="abs high">100/100</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="41" class="abs high">41/41</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="4" class="abs high">4/4</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="100" class="abs high">100/100</td>
</tr>
<tr>
<td class="file high" data-value="staking.ts"><a href="staking.ts.html">staking.ts</a></td>
<td data-value="100" class="pic high">
<div class="chart"><div class="cover-fill cover-full" style="width: 100%"></div><div class="cover-empty" style="width: 0%"></div></div>
</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="27" class="abs high">27/27</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="8" class="abs high">8/8</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="2" class="abs high">2/2</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="27" class="abs high">27/27</td>
</tr>
<tr>
<td class="file high" data-value="subgraph.ts"><a href="subgraph.ts.html">subgraph.ts</a></td>
<td data-value="100" class="pic high">
<div class="chart"><div class="cover-fill cover-full" style="width: 100%"></div><div class="cover-empty" style="width: 0%"></div></div>
</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="14" class="abs high">14/14</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="4" class="abs high">4/4</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="2" class="abs high">2/2</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="14" class="abs high">14/14</td>
</tr>
<tr>
<td class="file high" data-value="taxRates.ts"><a href="taxRates.ts.html">taxRates.ts</a></td>
<td data-value="100" class="pic high">
<div class="chart"><div class="cover-fill cover-full" style="width: 100%"></div><div class="cover-empty" style="width: 0%"></div></div>
</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="34" class="abs high">34/34</td>
<td data-value="100" class="pct high">100%</td>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">/**
* Position profit calculations for Harberger staking.
*
* Positions earn profit through their proportional share of new token issuance.
* This aligns with the Harberger tax economic model where stakers earn from protocol growth.
*/
&nbsp;
import { formatUnits } from 'viem';
&nbsp;
/**
* Calculate profit for an active position.
*
* Active positions earn their proportional share of all new tokens minted
* since the position was created.
*
* @param totalSupplyInit - Total token supply when position was created
* @param currentTotalSupply - Current total token supply
* @param positionShare - Position's proportional share (0-1)
* @returns Profit in token units (not wei)
*/
export function calculateActivePositionProfit(totalSupplyInit: bigint, currentTotalSupply: bigint, positionShare: number): number {
if (totalSupplyInit &lt; 0n || currentTotalSupply &lt; 0n) {
throw new Error('Supply values must be non-negative');
}
&nbsp;
if (positionShare &lt; 0 || positionShare &gt; 1) {
throw new Error('Position share must be between 0 and 1');
}
&nbsp;
if (currentTotalSupply &lt; totalSupplyInit) {
// If supply decreased (shouldn't happen in normal operation), return 0
return 0;
}
&nbsp;
// Convert to token units (assuming 18 decimals)
const initSupply = Number(formatUnits(totalSupplyInit, 18));
const currentSupply = Number(formatUnits(currentTotalSupply, 18));
&nbsp;
// Calculate new issuance since position creation
const newIssuance = currentSupply - initSupply;
&nbsp;
// Position earns its share of new issuance
return newIssuance * positionShare;
}
&nbsp;
/**
* Calculate profit for a closed position.
*
* Closed positions earned their proportional share of all new tokens minted
* during the position's lifetime (from creation to closure).
*
* @param totalSupplyInit - Total token supply when position was created
* @param totalSupplyEnd - Total token supply when position was closed
* @param positionShare - Position's proportional share (0-1)
* @returns Profit in token units (not wei)
*/
export function calculateClosedPositionProfit(totalSupplyInit: bigint, totalSupplyEnd: bigint, positionShare: number): number {
if (totalSupplyInit &lt; 0n || totalSupplyEnd &lt; 0n) {
throw new Error('Supply values must be non-negative');
}
&nbsp;
if (positionShare &lt; 0 || positionShare &gt; 1) {
throw new Error('Position share must be between 0 and 1');
}
&nbsp;
if (totalSupplyEnd &lt; totalSupplyInit) {
// If supply decreased during position lifetime, return 0
return 0;
}
&nbsp;
// Convert to token units (assuming 18 decimals)
const initSupply = Number(formatUnits(totalSupplyInit, 18));
const endSupply = Number(formatUnits(totalSupplyEnd, 18));
&nbsp;
// Calculate new issuance during position lifetime
const newIssuance = endSupply - initSupply;
&nbsp;
// Position earned its share of new issuance
return newIssuance * positionShare;
}
&nbsp;</pre></td></tr></table></pre>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import type { Positions as Position } from './__generated__/graphql.js';
import { toBigIntId } from './ids.js';
&nbsp;
export interface SnatchablePosition {
id: bigint;
stakeShares: bigint;
taxRate: number;
taxRateIndex?: number;
owner?: string | null;
}
&nbsp;
export interface SnatchSelectionOptions {
shortfallShares: bigint;
maxTaxRate: number;
includeOwned?: boolean;
recipientAddress?: string | null;
}
&nbsp;
export interface SnatchSelectionResult {
selected: SnatchablePosition[];
coveredShares: bigint;
remainingShortfall: bigint;
maxSelectedTaxRate?: number;
maxSelectedTaxRateIndex?: number;
}
&nbsp;
const SHARE_SCALE = 1_000_000n;
&nbsp;
function normaliseAddress(value?: string | null): string {
return (value ?? '').toLowerCase();
}
&nbsp;
export function minimumTaxRate&lt;T extends { taxRate: number }&gt;(positions: T[], fallback: number = 0): number {
if (!positions.length) return fallback;
return positions.reduce((min, position) =&gt; (position.taxRate &lt; min ? position.taxRate : min), Number.POSITIVE_INFINITY);
}
&nbsp;
export function selectSnatchPositions(candidates: SnatchablePosition[], options: SnatchSelectionOptions): SnatchSelectionResult {
const { shortfallShares, maxTaxRate, includeOwned = false, recipientAddress = null } = options;
&nbsp;
if (shortfallShares &lt;= 0n) {
return {
selected: [],
coveredShares: 0n,
remainingShortfall: 0n,
};
}
&nbsp;
const recipientNormalised = normaliseAddress(recipientAddress);
&nbsp;
const filtered = candidates.filter(candidate =&gt; {
if (candidate.taxRate &gt;= maxTaxRate) {
return false;
}
&nbsp;
if (!includeOwned &amp;&amp; candidate.owner) {
return normaliseAddress(candidate.owner) !== recipientNormalised;
}
&nbsp;
return true;
});
&nbsp;
const sorted = filtered.slice().sort((a, b) =&gt; {
if (a.taxRate === b.taxRate) {
return Number(a.stakeShares - b.stakeShares);
}
return a.taxRate - b.taxRate;
});
&nbsp;
const selection: SnatchablePosition[] = [];
let remaining = shortfallShares;
let covered = 0n;
let maxSelectedTaxRate: number | undefined;
let maxSelectedTaxRateIndex: number | undefined;
&nbsp;
for (const candidate of sorted) {
if (remaining &lt;= 0n) break;
if (candidate.stakeShares &lt;= 0n) continue;
&nbsp;
selection.push(candidate);
remaining -= candidate.stakeShares;
if (remaining &lt; 0n) {
covered = shortfallShares;
remaining = 0n;
} else {
covered = shortfallShares - remaining;
}
&nbsp;
if (maxSelectedTaxRate === undefined || candidate.taxRate &gt; maxSelectedTaxRate) {
maxSelectedTaxRate = candidate.taxRate;
if (typeof candidate.taxRateIndex === 'number') {
maxSelectedTaxRateIndex = candidate.taxRateIndex;
}
} else if (
candidate.taxRate === maxSelectedTaxRate &amp;&amp;
typeof candidate.taxRateIndex === 'number' &amp;&amp;
candidate.taxRateIndex &gt; (maxSelectedTaxRateIndex ?? -1)
) {
maxSelectedTaxRateIndex = candidate.taxRateIndex;
}
}
&nbsp;
return {
selected: selection,
coveredShares: covered,
remainingShortfall: remaining &gt; 0n ? remaining : 0n,
maxSelectedTaxRate,
maxSelectedTaxRateIndex,
};
}
&nbsp;
export function getSnatchList(
positions: Position[],
needed: bigint,
taxRate: number,
stakeTotalSupply: bigint
): bigint[] {
if (stakeTotalSupply &lt;= 0n) {
throw new Error('stakeTotalSupply must be greater than zero');
}
&nbsp;
const candidates: SnatchablePosition[] = positions.map(position =&gt; {
const shareRatio = Number(position.share);
const scaledShares = BigInt(Math.round(shareRatio * Number(SHARE_SCALE)));
&nbsp;
return {
id: toBigIntId(position.id),
owner: position.owner,
stakeShares: (stakeTotalSupply * scaledShares) / SHARE_SCALE,
taxRate: Number(position.taxRate),
};
});
&nbsp;
const result = selectSnatchPositions(candidates, {
shortfallShares: needed,
maxTaxRate: taxRate,
includeOwned: true,
});
&nbsp;
if (result.remainingShortfall &gt; 0n) {
throw new Error('Not enough capacity');
}
&nbsp;
return result.selected.map(candidate =&gt; candidate.id);
}
&nbsp;</pre></td></tr></table></pre>
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at 2026-02-26T00:42:15.763Z
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/* eslint-disable */
var addSorting = (function() {
'use strict';
var cols,
currentSort = {
index: 0,
desc: false
};
// returns the summary table element
function getTable() {
return document.querySelector('.coverage-summary');
}
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function getTableHeader() {
return getTable().querySelector('thead tr');
}
// returns the tbody element of the summary table
function getTableBody() {
return getTable().querySelector('tbody');
}
// returns the th element for nth column
function getNthColumn(n) {
return getTableHeader().querySelectorAll('th')[n];
}
function onFilterInput() {
const searchValue = document.getElementById('fileSearch').value;
const rows = document.getElementsByTagName('tbody')[0].children;
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colNode,
cols = [],
col,
i;
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type: colNode.getAttribute('data-type') || 'string'
};
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if (col.sortable) {
col.defaultDescSort = col.type === 'number';
colNode.innerHTML =
colNode.innerHTML + '<span class="sorter"></span>';
}
}
return cols;
}
// attaches a data attribute to every tr element with an object
// of data values keyed by column name
function loadRowData(tableRow) {
var tableCols = tableRow.querySelectorAll('td'),
colNode,
col,
data = {},
i,
val;
for (i = 0; i < tableCols.length; i += 1) {
colNode = tableCols[i];
col = cols[i];
val = colNode.getAttribute('data-value');
if (col.type === 'number') {
val = Number(val);
}
data[col.key] = val;
}
return data;
}
// loads all row data
function loadData() {
var rows = getTableBody().querySelectorAll('tr'),
i;
for (i = 0; i < rows.length; i += 1) {
rows[i].data = loadRowData(rows[i]);
}
}
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function sortByIndex(index, desc) {
var key = cols[index].key,
sorter = function(a, b) {
a = a.data[key];
b = b.data[key];
return a < b ? -1 : a > b ? 1 : 0;
},
finalSorter = sorter,
tableBody = document.querySelector('.coverage-summary tbody'),
rowNodes = tableBody.querySelectorAll('tr'),
rows = [],
i;
if (desc) {
finalSorter = function(a, b) {
return -1 * sorter(a, b);
};
}
for (i = 0; i < rowNodes.length; i += 1) {
rows.push(rowNodes[i]);
tableBody.removeChild(rowNodes[i]);
}
rows.sort(finalSorter);
for (i = 0; i < rows.length; i += 1) {
tableBody.appendChild(rows[i]);
}
}
// removes sort indicators for current column being sorted
function removeSortIndicators() {
var col = getNthColumn(currentSort.index),
cls = col.className;
cls = cls.replace(/ sorted$/, '').replace(/ sorted-desc$/, '');
col.className = cls;
}
// adds sort indicators for current column being sorted
function addSortIndicators() {
getNthColumn(currentSort.index).className += currentSort.desc
? ' sorted-desc'
: ' sorted';
}
// adds event listeners for all sorter widgets
function enableUI() {
var i,
el,
ithSorter = function ithSorter(i) {
var col = cols[i];
return function() {
var desc = col.defaultDescSort;
if (currentSort.index === i) {
desc = !currentSort.desc;
}
sortByIndex(i, desc);
removeSortIndicators();
currentSort.index = i;
currentSort.desc = desc;
addSortIndicators();
};
};
for (i = 0; i < cols.length; i += 1) {
if (cols[i].sortable) {
// add the click event handler on the th so users
// dont have to click on those tiny arrows
el = getNthColumn(i).querySelector('.sorter').parentElement;
if (el.addEventListener) {
el.addEventListener('click', ithSorter(i));
} else {
el.attachEvent('onclick', ithSorter(i));
}
}
}
}
// adds sorting functionality to the UI
return function() {
if (!getTable()) {
return;
}
cols = loadColumns();
loadData();
addSearchBox();
addSortIndicators();
enableUI();
};
})();
window.addEventListener('load', addSorting);

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&nbsp;
export function calculateSnatchShortfall(
outstandingStake: bigint,
desiredStakeShares: bigint,
stakeTotalSupply: bigint,
capNumerator: bigint = 2n,
capDenominator: bigint = 10n
): bigint {
if (capDenominator === 0n) {
throw new Error('capDenominator must be greater than zero');
}
&nbsp;
const cap = (stakeTotalSupply * capNumerator) / capDenominator;
const required = outstandingStake + desiredStakeShares;
const delta = required - cap;
return delta &gt; 0n ? delta : 0n;
}
&nbsp;
export function isPositionDelinquent(
lastTaxTimestamp: number,
taxRate: number,
referenceTimestamp: number = Math.floor(Date.now() / 1000),
secondsInYear: number = SECONDS_IN_YEAR
): boolean {
const rate = Number(taxRate);
if (rate &lt;= 0) return false;
&nbsp;
const allowance = secondsInYear / rate;
return referenceTimestamp - lastTaxTimestamp &gt; allowance;
}
&nbsp;</pre></td></tr></table></pre>
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// console.log(hexString);
// const cleanHexString = hexString.startsWith('0x') ? hexString.substring(2) : hexString;
// const bytes = new Uint8Array(Math.ceil(cleanHexString.length / 2));
// for (let i = 0, j = 0; i &lt; cleanHexString.length; i += 2, j++) {
// bytes[j] = parseInt(cleanHexString.slice(i, i + 2), 16);
// }
let value: bigint = 0n;
&nbsp;
for (let i = bytes.length - 1; i &gt;= 0; i--) {
value = (value &lt;&lt; 8n) | BigInt(bytes[i]);
}
&nbsp;
return value;
}
&nbsp;
export function uint256ToBytesLittleEndian(value: bigint): Uint8Array {
const bytes = new Uint8Array(4);
for (let i = 0; i &lt; 4; i++) {
bytes[i] = Number((value &gt;&gt; (8n * BigInt(i))) &amp; 0xffn);
}
return bytes;
// let hexString = '0x';
&nbsp;
// for (let i = 0; i &lt; bytes.length; i++) {
// // Convert each byte to a hexadecimal string and pad with zero if needed
// hexString += bytes[i].toString(16).padStart(2, '0');
// }
&nbsp;
// return hexString;
}
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">/**
* AUTO-GENERATED FILE — DO NOT EDIT
*
* Generated by scripts/sync-tax-rates.mjs from onchain/src/Stake.sol.
* Run `node scripts/sync-tax-rates.mjs` after modifying the contract TAX_RATES array.
*/
&nbsp;
export interface TaxRateOption {
index: number;
year: number;
daily: number;
decimal: number;
}
&nbsp;
export const TAX_RATE_OPTIONS: TaxRateOption[] = [
{ index: 0, year: 1, daily: 0.00274, decimal: 0.01 },
{ index: 1, year: 3, daily: 0.00822, decimal: 0.03 },
{ index: 2, year: 5, daily: 0.0137, decimal: 0.05 },
{ index: 3, year: 8, daily: 0.02192, decimal: 0.08 },
{ index: 4, year: 12, daily: 0.03288, decimal: 0.12 },
{ index: 5, year: 18, daily: 0.04932, decimal: 0.18 },
{ index: 6, year: 24, daily: 0.06575, decimal: 0.24 },
{ index: 7, year: 30, daily: 0.08219, decimal: 0.3 },
{ index: 8, year: 40, daily: 0.10959, decimal: 0.4 },
{ index: 9, year: 50, daily: 0.13699, decimal: 0.5 },
{ index: 10, year: 60, daily: 0.16438, decimal: 0.6 },
{ index: 11, year: 80, daily: 0.21918, decimal: 0.8 },
{ index: 12, year: 100, daily: 0.27397, decimal: 1 },
{ index: 13, year: 130, daily: 0.35616, decimal: 1.3 },
{ index: 14, year: 180, daily: 0.49315, decimal: 1.8 },
{ index: 15, year: 250, daily: 0.68493, decimal: 2.5 },
{ index: 16, year: 320, daily: 0.87671, decimal: 3.2 },
{ index: 17, year: 420, daily: 1.15068, decimal: 4.2 },
{ index: 18, year: 540, daily: 1.47945, decimal: 5.4 },
{ index: 19, year: 700, daily: 1.91781, decimal: 7 },
{ index: 20, year: 920, daily: 2.52055, decimal: 9.2 },
{ index: 21, year: 1200, daily: 3.28767, decimal: 12 },
{ index: 22, year: 1600, daily: 4.38356, decimal: 16 },
{ index: 23, year: 2000, daily: 5.47945, decimal: 20 },
{ index: 24, year: 2600, daily: 7.12329, decimal: 26 },
{ index: 25, year: 3400, daily: 9.31507, decimal: 34 },
{ index: 26, year: 4400, daily: 12.05479, decimal: 44 },
{ index: 27, year: 5700, daily: 15.61644, decimal: 57 },
{ index: 28, year: 7500, daily: 20.54795, decimal: 75 },
{ index: 29, year: 9700, daily: 26.57534, decimal: 97 }
];
&nbsp;
/**
* Checksum of the contract TAX_RATES array (first 16 chars of SHA-256).
* Used for runtime validation to ensure kraiken-lib is in sync with deployed contracts.
*
* To validate at runtime:
* 1. Read TAX_RATES array from the Stake contract
* 2. Compute checksum: sha256(values.join(',')).slice(0, 16)
* 3. Compare with TAX_RATES_CHECKSUM
*
* If mismatch: Run `node scripts/sync-tax-rates.mjs` and rebuild kraiken-lib.
*/
export const TAX_RATES_CHECKSUM = '1e37f2312ef082e9';
&nbsp;
/**
* Array of raw year values (matches contract uint256[] TAX_RATES exactly).
* Used for runtime validation without needing to parse options.
*/
export const TAX_RATES_RAW = [1, 3, 5, 8, 12, 18, 24, 30, 40, 50, 60, 80, 100, 130, 180, 250, 320, 420, 540, 700, 920, 1200, 1600, 2000, 2600, 3400, 4400, 5700, 7500, 9700];
&nbsp;
&nbsp;</pre></td></tr></table></pre>
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* Protocol version compatibility tracking.
*
* The Kraiken contract exposes a VERSION constant that must be checked
* at runtime by indexers and frontends to ensure data compatibility.
*/
&nbsp;
/**
* Current version this library is built for.
* Should match the deployed Kraiken contract VERSION.
*/
export const KRAIKEN_LIB_VERSION = 2;
&nbsp;
/**
* Singleton ID used for stack metadata rows across services.
*/
export const STACK_META_ID = 'stack-meta';
&nbsp;
/**
* List of Kraiken contract versions this library is compatible with.
*
* - Indexers MUST validate contract.VERSION is in this list at startup
* - Frontends SHOULD validate indexer version matches KRAIKEN_LIB_VERSION
*
* Version History:
* - v1: Initial deployment (30-tier TAX_RATES, index-based staking)
* - v2: OptimizerV3, VWAP mirror floor, directional VWAP recording
*/
export const COMPATIBLE_CONTRACT_VERSIONS = [1, 2];
&nbsp;
/**
* Validates if a contract version is compatible with this library.
*/
export function isCompatibleVersion(contractVersion: number): boolean {
return COMPATIBLE_CONTRACT_VERSIONS.includes(contractVersion);
}
&nbsp;
/**
* Error message generator for version mismatches.
*/
export function getVersionMismatchError(contractVersion: number, context: 'ponder' | 'frontend'): string {
const compatibleVersions = COMPATIBLE_CONTRACT_VERSIONS.join(', ');
const instructions =
context === 'ponder'
? [
'1. Check if contract was upgraded',
'2. Update COMPATIBLE_CONTRACT_VERSIONS in kraiken-lib/src/version.ts',
'3. Run: ./scripts/build-kraiken-lib.sh',
'4. Run: rm -rf services/ponder/.ponder/',
'5. Restart Ponder for full re-index',
]
: [
'1. Contact administrator - indexer may need updating',
'2. Try refreshing the page',
'3. Check if contract was recently upgraded',
];
&nbsp;
const lines = [
'╔════════════════════════════════════════════════════════════╗',
`║ ❌ CRITICAL: VERSION MISMATCH (${context})`.padEnd(61) + '║',
'╠════════════════════════════════════════════════════════════╣',
`║ Contract VERSION: ${contractVersion}`.padEnd(61) + '║',
`║ Library VERSION: ${KRAIKEN_LIB_VERSION}`.padEnd(61) + '║',
`║ Compatible versions: ${compatibleVersions}`.padEnd(61) + '║',
'║'.padEnd(61) + '║',
'║ 📋 Required Actions:'.padEnd(61) + '║',
...instructions.map(line =&gt; `║ ${line}`.padEnd(61) + '║'),
'╚════════════════════════════════════════════════════════════╝',
];
&nbsp;
return lines.join('\n');
}
&nbsp;</pre></td></tr></table></pre>
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13
kraiken-lib/jest.config.cjs
View file

@ -1,13 +0,0 @@
module.exports = {
preset: 'ts-jest/presets/default-esm',
testEnvironment: 'node',
maxWorkers: 1,
extensionsToTreatAsEsm: ['.ts'],
resolver: './jest.resolver.cjs',
globals: {
'ts-jest': {
useESM: true,
tsconfig: './tsconfig.json'
}
}
};

16
kraiken-lib/jest.resolver.cjs
View file

@ -1,16 +0,0 @@
module.exports = (request, options) => {
try {
return options.defaultResolver(request, options);
} catch (originalError) {
if (!request.endsWith('.js')) {
throw originalError;
}
const tsRequest = request.replace(/\.js$/, '.ts');
try {
return options.defaultResolver(tsRequest, options);
} catch (fallbackError) {
throw originalError;
}
}
};

12
kraiken-lib/src/tests/functions.test.ts
View file

@ -2,17 +2,9 @@ import { describe, expect, test } from 'vitest';
import { bytesToUint256LittleEndian, uint256ToBytesLittleEndian } from '../subgraph.js'; import { bytesToUint256LittleEndian, uint256ToBytesLittleEndian } from '../subgraph.js';
describe('BigInt Conversion Functions', () => { describe('BigInt Conversion Functions', () => {
test('converts uint256 to bytes and back (little endian)', async () => { test('converts uint256 to bytes and back (little endian)', () => {
const mockId = uint256ToBytesLittleEndian(3n); const mockId = uint256ToBytesLittleEndian(3n);
let hexString = '0x'; expect(mockId).toEqual(new Uint8Array([3, 0, 0, 0]));
for (let i = 0; i < mockId.length; i++) {
// Convert each byte to a hexadecimal string and pad with zero if needed
hexString += mockId[i].toString(16).padStart(2, '0');
}
expect(hexString).toEqual('0x03000000');
// return hexString;
expect(bytesToUint256LittleEndian(mockId)).toEqual(3n); expect(bytesToUint256LittleEndian(mockId)).toEqual(3n);
}); });
}); });

8
kraiken-lib/vitest.config.ts
View file

@ -8,10 +8,10 @@ export default defineConfig({
include: ['src/**/*.ts'], include: ['src/**/*.ts'],
exclude: ['src/tests/**', 'src/__generated__/**', 'src/abis.ts', 'src/index.ts'], exclude: ['src/tests/**', 'src/__generated__/**', 'src/abis.ts', 'src/index.ts'],
thresholds: { thresholds: {
lines: 95, lines: 100,
functions: 95, functions: 100,
branches: 95, branches: 100,
statements: 95, statements: 100,
}, },
}, },
}, },