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About

This is a repo showcasing usage of starkbitier python bindings to simulate behaviors over the Starknet blockchain.

This project PDM for dependency management.

To create env do:

pdm venv create

To activate it:

eval$(pdm venv activate)

To install dependencies when env activated:

pdm install

To download snapshot use:

wget --continue https://starkbiter-snapshot.s3.eu-west-1.amazonaws.com/mainnet-2025-08-10-trim.sqlite mainnet.sqlite

To run the example:

python src/main.py

Structure

starkbiter package has wrappers around starkbiter_bindings. known_calls - collection of factories for Call objects for known contracts (ekubo core, swapper, UDC) accounts - contains Account class that exposes call and execute methods middleware - is a class to interact with environment, is not supposed to be shared among several threads. Consider it a connection. Every thread (or coroutine) should have it's own. environement - is blockchain instance. One per label. Also has Token classifier.

main.py is the example on how to spin the environment, fork it, and run agents that interact with it

Please, check main.py for more examples.

Library relies heavily on nethermind.starknet-abi lib.

Compatibility

Currently starkbiter only has wheel for python 3.12.x version MAC OS (darwin) version.

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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About
This is a repo showcasing usage of starkbitier python bindings to simulate behaviors over the Starknet blockchain.
This project PDM for dependency management.
To create env do:
pdm venv create
To activate it:
eval$(pdm venv activate)
To install dependencies when env activated:
pdm install
To download snapshot use:
wget --continue https://starkbiter-snapshot.s3.eu-west-1.amazonaws.com/mainnet-2025-08-10-trim.sqlite mainnet.sqlite 
To run the example:
python src/main.py
Structure
starkbiter package has wrappers around starkbiter_bindings.
known_calls - collection of factories for Call objects for known contracts (ekubo core, swapper, UDC)
accounts - contains Account class that exposes call and execute methods
middleware - is a class to interact with environment, is not supposed to be shared among several threads. Consider it a connection. Every thread (or coroutine) should have it's own.
environement - is blockchain instance. One per label. Also has Token classifier.
main.py is the example on how to spin the environment, fork it, and run agents that interact with it
Please, check main.py for more examples.
Library relies heavily on nethermind.starknet-abi lib.
Compatibility
Currently starkbiter only has wheel for python 3.12.x version MAC OS (darwin) version.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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About
This is a repo showcasing usage of starkbitier python bindings to simulate behaviors over the Starknet blockchain.
This project PDM for dependency management.
To create env do:
pdm venv create
To activate it:
eval$(pdm venv activate)
To install dependencies when env activated:
pdm install
To download snapshot use:
wget --continue https://starkbiter-snapshot.s3.eu-west-1.amazonaws.com/mainnet-2025-08-10-trim.sqlite mainnet.sqlite 
To run the example:
python src/main.py
Structure
starkbiter package has wrappers around starkbiter_bindings.
known_calls - collection of factories for Call objects for known contracts (ekubo core, swapper, UDC)
accounts - contains Account class that exposes call and execute methods
middleware - is a class to interact with environment, is not supposed to be shared among several threads. Consider it a connection. Every thread (or coroutine) should have it's own.
environement - is blockchain instance. One per label. Also has Token classifier.
main.py is the example on how to spin the environment, fork it, and run agents that interact with it
Please, check main.py for more examples.
Library relies heavily on nethermind.starknet-abi lib.
Compatibility
Currently starkbiter only has wheel for python 3.12.x version MAC OS (darwin) version.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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About
This is a repo showcasing usage of starkbitier python bindings to simulate behaviors over the Starknet blockchain.
This project PDM for dependency management.
To create env do:
pdm venv create
To activate it:
eval$(pdm venv activate)
To install dependencies when env activated:
pdm install
To download snapshot use:
wget --continue https://starkbiter-snapshot.s3.eu-west-1.amazonaws.com/mainnet-2025-08-10-trim.sqlite mainnet.sqlite 
To run the example:
python src/main.py
Structure
starkbiter package has wrappers around starkbiter_bindings.
known_calls - collection of factories for Call objects for known contracts (ekubo core, swapper, UDC)
accounts - contains Account class that exposes call and execute methods
middleware - is a class to interact with environment, is not supposed to be shared among several threads. Consider it a connection. Every thread (or coroutine) should have it's own.
environement - is blockchain instance. One per label. Also has Token classifier.
main.py is the example on how to spin the environment, fork it, and run agents that interact with it
Please, check main.py for more examples.
Library relies heavily on nethermind.starknet-abi lib.
Compatibility
Currently starkbiter only has wheel for python 3.12.x version MAC OS (darwin) version.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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About
This is a repo showcasing usage of starkbitier python bindings to simulate behaviors over the Starknet blockchain.
This project PDM for dependency management.
To create env do:
pdm venv create
To activate it:
eval$(pdm venv activate)
To install dependencies when env activated:
pdm install
To download snapshot use:
wget --continue https://starkbiter-snapshot.s3.eu-west-1.amazonaws.com/mainnet-2025-08-10-trim.sqlite mainnet.sqlite 
To run the example:
python src/main.py
Structure
starkbiter package has wrappers around starkbiter_bindings.
known_calls - collection of factories for Call objects for known contracts (ekubo core, swapper, UDC)
accounts - contains Account class that exposes call and execute methods
middleware - is a class to interact with environment, is not supposed to be shared among several threads. Consider it a connection. Every thread (or coroutine) should have it's own.
environement - is blockchain instance. One per label. Also has Token classifier.
main.py is the example on how to spin the environment, fork it, and run agents that interact with it
Please, check main.py for more examples.
Library relies heavily on nethermind.starknet-abi lib.
Compatibility
Currently starkbiter only has wheel for python 3.12.x version MAC OS (darwin) version.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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README.md
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49 lines (34 loc) · 1.37 KB
README.md
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49 lines (34 loc) · 1.37 KB
Raw
About
This is a repo showcasing usage of starkbitier python bindings to simulate behaviors over the Starknet blockchain.
This project PDM for dependency management.
To create env do:
pdm venv create
To activate it:
eval$(pdm venv activate)
To install dependencies when env activated:
pdm install
To download snapshot use:
wget --continue https://starkbiter-snapshot.s3.eu-west-1.amazonaws.com/mainnet-2025-08-10-trim.sqlite mainnet.sqlite 
To run the example:
python src/main.py
Structure
starkbiter package has wrappers around starkbiter_bindings.
known_calls - collection of factories for Call objects for known contracts (ekubo core, swapper, UDC)
accounts - contains Account class that exposes call and execute methods
middleware - is a class to interact with environment, is not supposed to be shared among several threads. Consider it a connection. Every thread (or coroutine) should have it's own.
environement - is blockchain instance. One per label. Also has Token classifier.
main.py is the example on how to spin the environment, fork it, and run agents that interact with it
Please, check main.py for more examples.
Library relies heavily on nethermind.starknet-abi lib.
Compatibility
Currently starkbiter only has wheel for python 3.12.x version MAC OS (darwin) version.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Raw
About
This is a repo showcasing usage of starkbitier python bindings to simulate behaviors over the Starknet blockchain.
This project PDM for dependency management.
To create env do:
pdm venv create
To activate it:
eval$(pdm venv activate)
To install dependencies when env activated:
pdm install
To download snapshot use:
wget --continue https://starkbiter-snapshot.s3.eu-west-1.amazonaws.com/mainnet-2025-08-10-trim.sqlite mainnet.sqlite 
To run the example:
python src/main.py
Structure
starkbiter package has wrappers around starkbiter_bindings.
known_calls - collection of factories for Call objects for known contracts (ekubo core, swapper, UDC)
accounts - contains Account class that exposes call and execute methods
middleware - is a class to interact with environment, is not supposed to be shared among several threads. Consider it a connection. Every thread (or coroutine) should have it's own.
environement - is blockchain instance. One per label. Also has Token classifier.
main.py is the example on how to spin the environment, fork it, and run agents that interact with it
Please, check main.py for more examples.
Library relies heavily on nethermind.starknet-abi lib.
Compatibility
Currently starkbiter only has wheel for python 3.12.x version MAC OS (darwin) version.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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49 lines (34 loc) · 1.37 KB
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About
This is a repo showcasing usage of starkbitier python bindings to simulate behaviors over the Starknet blockchain.
This project PDM for dependency management.
To create env do:
pdm venv create
To activate it:
eval$(pdm venv activate)
To install dependencies when env activated:
pdm install
To download snapshot use:
wget --continue https://starkbiter-snapshot.s3.eu-west-1.amazonaws.com/mainnet-2025-08-10-trim.sqlite mainnet.sqlite 
To run the example:
python src/main.py
Structure
starkbiter package has wrappers around starkbiter_bindings.
known_calls - collection of factories for Call objects for known contracts (ekubo core, swapper, UDC)
accounts - contains Account class that exposes call and execute methods
middleware - is a class to interact with environment, is not supposed to be shared among several threads. Consider it a connection. Every thread (or coroutine) should have it's own.
environement - is blockchain instance. One per label. Also has Token classifier.
main.py is the example on how to spin the environment, fork it, and run agents that interact with it
Please, check main.py for more examples.
Library relies heavily on nethermind.starknet-abi lib.
Compatibility
Currently starkbiter only has wheel for python 3.12.x version MAC OS (darwin) version.