feat/near chain signatures support - #562

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EdsonAlcala:feat/near-chain-signatures-support
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feat/near chain signatures support#562
EdsonAlcala wants to merge 47 commits into
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EdsonAlcala:feat/near-chain-signatures-support

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@EdsonAlcalaEdsonAlcala commented Mar 13, 2025•
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Description

This PR adds support for the NEAR protocol chain signatures, that allows a NEAR protocol account to control other accounts/addresses across multiple chains.

In order to enable the chain signatures support a NearKeyPairWalletProvider was required.

The PR also includes an example bot.

The following actions contain the functionality of the NEAR protocol chain signatures:

  • get cross chain address
  • get cross chain public key
  • sign payload

Tests

  • Added unit tests
  • Testet prompts

Sign payload

Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: sign me this payload "0x470637f6dcc98931d6d22afa2b491c20caf0c3ba595d707606fe7915c30ef0a7" using chain signatures -------------------
The signature result is big_r: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8, big_s: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2 and recovery_id: 0
-------------------
The payload has been successfully signed. Here are the signature details:
- **big_r**: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8
- **big_s**: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2
- **recovery_id**: 0
Let me know if you need any further assistance!

Get cross chain public key

Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: what is the cross chain public key for the account sample.testnet
-------------------
Computed public key for account id sample.testnet, network near-testnet and derivation path account-1 is 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
-------------------
The cross-chain public key for the account "sample.testnet" on the NEAR testnet with the derivation path "account-1" is:
**Public Key**: 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
If you need any more help, feel free to ask!

Checklist

A couple of things to include in your PR for completeness:

  • Added documentation to all relevant README.md files
  • Added a changelog entry

@cb-heimdall

cb-heimdall commented Mar 13, 2025•
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@github-actionsgithub-actionsBot added documentation Improvements or additions to documentation action provider New action provider wallet provider New wallet provider example New example agent typescript labels Mar 13, 2025
@EdsonAlcalaEdsonAlcala changed the title wip: Feat/near chain signatures supportFeat/near chain signatures supportMar 17, 2025
@EdsonAlcala
EdsonAlcala marked this pull request as ready for review March 17, 2025 16:29
@EdsonAlcalaEdsonAlcala changed the title Feat/near chain signatures supportfeat/near chain signatures supportMar 17, 2025
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@EdsonAlcala

EdsonAlcala commented Mar 27, 2025

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hey @murrlincoln, any comments on this PR? Thanks

CarsonRoscoe
CarsonRoscoe reviewed Apr 8, 2025
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Comment threadtypescript/agentkit/src/action-providers/near/nearActionProvider.ts Outdated
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Comment threadtypescript/agentkit/src/wallet-providers/nearKeypairWalletProvider.ts Outdated
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@CarsonRoscoe let me know what are your thoughts. Best

@EdsonAlcala

EdsonAlcala commented Apr 18, 2025•
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@CarsonRoscoe@murrlincoln I would like to ask you what is the criteria to merge and review PRs. Considering more recent PRs like #665 was merged before this one.

In general this PR has been open since March 13, that means after 36 days we are still here waiting and I have applied all your changes and suggestions.

No more changes have been required from our side.

If there are doubts or suggestions I'm happy to jump on a call and discuss about it. On the other hand, if the PR is not up to your coding standards or is not welcome you can also let me know. Because I have been constantly rebasing and merging and there is not clarity with it. I mean not even the pipeline has run.

@EdsonAlcala

EdsonAlcala commented May 1, 2025

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@CarsonRoscoe@murrlincoln Is this really the way to treat contributors?

@EdsonAlcala

EdsonAlcala commented May 8, 2025

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@CarsonRoscoe@murrlincoln any updates?

@EdsonAlcala

EdsonAlcala commented May 29, 2025•
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any updates on this? @CarsonRoscoe@murrlincoln

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@EdsonAlcala

EdsonAlcala commented Jun 2, 2025

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any updates on this? @CarsonRoscoe@murrlincoln

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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})();
(function(){
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var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
feat/near chain signatures support - #562
Open
EdsonAlcala wants to merge 47 commits into
coinbase:mainfrom 
EdsonAlcala:feat/near-chain-signatures-support
Open
feat/near chain signatures support#562
EdsonAlcala wants to merge 47 commits into
coinbase:mainfrom 
EdsonAlcala:feat/near-chain-signatures-support
Conversation
@EdsonAlcala
@EdsonAlcalaEdsonAlcala
commented
Mar 13, 2025•

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Description
This PR adds support for the NEAR protocol chain signatures, that allows a NEAR protocol account to control other accounts/addresses across multiple chains.
In order to enable the chain signatures support a NearKeyPairWalletProvider was required.
The PR also includes an example bot.
The following actions contain the functionality of the NEAR protocol chain signatures:
  • get cross chain address
  • get cross chain public key
  • sign payload
Tests
  •  Added unit tests
  •  Testet prompts
Sign payload
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: sign me this payload "0x470637f6dcc98931d6d22afa2b491c20caf0c3ba595d707606fe7915c30ef0a7" using chain signatures -------------------
The signature result is big_r: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8, big_s: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2 and recovery_id: 0
-------------------
The payload has been successfully signed. Here are the signature details:
- **big_r**: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8
- **big_s**: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2
- **recovery_id**: 0
Let me know if you need any further assistance!

Get cross chain public key
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: what is the cross chain public key for the account sample.testnet
-------------------
Computed public key for account id sample.testnet, network near-testnet and derivation path account-1 is 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
-------------------
The cross-chain public key for the account "sample.testnet" on the NEAR testnet with the derivation path "account-1" is:
**Public Key**: 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
If you need any more help, feel free to ask!

Checklist
A couple of things to include in your PR for completeness:
  •  Added documentation to all relevant README.md files
  •  Added a changelog entry
@cb-heimdall
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Mar 13, 2025•

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Mar 13, 2025
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changed the title
wip: Feat/near chain signatures supportFeat/near chain signatures supportMar 17, 2025
@EdsonAlcala
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marked this pull request as ready for review
March 17, 2025 16:29
@EdsonAlcalaEdsonAlcala
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hey @murrlincoln, any comments on this PR? Thanks
CarsonRoscoe
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Comment threadtypescript/agentkit/src/action-providers/near/nearActionProvider.ts
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Comment threadtypescript/agentkit/src/wallet-providers/nearKeypairWalletProvider.ts
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@CarsonRoscoe let me know what are your thoughts. Best
@EdsonAlcala
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Apr 18, 2025•

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@CarsonRoscoe@murrlincoln I would like to ask you what is the criteria to merge and review PRs. Considering more recent PRs like #665 was merged before this one.
In general this PR has been open since March 13, that means after 36 days we are still here waiting and I have applied all your changes and suggestions.
No more changes have been required from our side.
If there are doubts or suggestions I'm happy to jump on a call and discuss about it. On the other hand, if the PR is not up to your coding standards or is not welcome you can also let me know. Because I have been constantly rebasing and merging and there is not clarity with it. I mean not even the pipeline has run.
@EdsonAlcala
EdsonAlcala
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May 1, 2025

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@CarsonRoscoe@murrlincoln Is this really the way to treat contributors?
@EdsonAlcala
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@CarsonRoscoe@murrlincoln any updates?
@EdsonAlcala
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any updates on this? @CarsonRoscoe@murrlincoln

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any updates on this? @CarsonRoscoe@murrlincoln
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, '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");
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})();
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try {
var __m = "*";
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Skip to content
feat/near chain signatures support - #562
Open
EdsonAlcala wants to merge 47 commits into
coinbase:mainfrom 
EdsonAlcala:feat/near-chain-signatures-support
Open
feat/near chain signatures support#562
EdsonAlcala wants to merge 47 commits into
coinbase:mainfrom 
EdsonAlcala:feat/near-chain-signatures-support
Conversation
@EdsonAlcala
@EdsonAlcalaEdsonAlcala
commented
Mar 13, 2025•

edited

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Description
This PR adds support for the NEAR protocol chain signatures, that allows a NEAR protocol account to control other accounts/addresses across multiple chains.
In order to enable the chain signatures support a NearKeyPairWalletProvider was required.
The PR also includes an example bot.
The following actions contain the functionality of the NEAR protocol chain signatures:
  • get cross chain address
  • get cross chain public key
  • sign payload
Tests
  •  Added unit tests
  •  Testet prompts
Sign payload
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: sign me this payload "0x470637f6dcc98931d6d22afa2b491c20caf0c3ba595d707606fe7915c30ef0a7" using chain signatures -------------------
The signature result is big_r: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8, big_s: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2 and recovery_id: 0
-------------------
The payload has been successfully signed. Here are the signature details:
- **big_r**: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8
- **big_s**: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2
- **recovery_id**: 0
Let me know if you need any further assistance!

Get cross chain public key
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: what is the cross chain public key for the account sample.testnet
-------------------
Computed public key for account id sample.testnet, network near-testnet and derivation path account-1 is 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
-------------------
The cross-chain public key for the account "sample.testnet" on the NEAR testnet with the derivation path "account-1" is:
**Public Key**: 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
If you need any more help, feel free to ask!

Checklist
A couple of things to include in your PR for completeness:
  •  Added documentation to all relevant README.md files
  •  Added a changelog entry
@cb-heimdall
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Mar 13, 2025•

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1 if commit is unverified1
Sum2
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Mar 13, 2025
@EdsonAlcalaEdsonAlcala
changed the title
wip: Feat/near chain signatures supportFeat/near chain signatures supportMar 17, 2025
@EdsonAlcala
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marked this pull request as ready for review
March 17, 2025 16:29
@EdsonAlcalaEdsonAlcala
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Feat/near chain signatures supportfeat/near chain signatures supportMar 17, 2025
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hey @murrlincoln, any comments on this PR? Thanks
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@CarsonRoscoe let me know what are your thoughts. Best
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@CarsonRoscoe@murrlincoln I would like to ask you what is the criteria to merge and review PRs. Considering more recent PRs like #665 was merged before this one.
In general this PR has been open since March 13, that means after 36 days we are still here waiting and I have applied all your changes and suggestions.
No more changes have been required from our side.
If there are doubts or suggestions I'm happy to jump on a call and discuss about it. On the other hand, if the PR is not up to your coding standards or is not welcome you can also let me know. Because I have been constantly rebasing and merging and there is not clarity with it. I mean not even the pipeline has run.
@EdsonAlcala
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@CarsonRoscoe@murrlincoln Is this really the way to treat contributors?
@EdsonAlcala
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@CarsonRoscoe@murrlincoln any updates?
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any updates on this? @CarsonRoscoe@murrlincoln

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any updates on this? @CarsonRoscoe@murrlincoln
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, '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('^' + ".*" + '

Skip to content
feat/near chain signatures support - #562
Open
EdsonAlcala wants to merge 47 commits into
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EdsonAlcala:feat/near-chain-signatures-support
Open
feat/near chain signatures support#562
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EdsonAlcala:feat/near-chain-signatures-support
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@EdsonAlcala
@EdsonAlcalaEdsonAlcala
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Mar 13, 2025•

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Description
This PR adds support for the NEAR protocol chain signatures, that allows a NEAR protocol account to control other accounts/addresses across multiple chains.
In order to enable the chain signatures support a NearKeyPairWalletProvider was required.
The PR also includes an example bot.
The following actions contain the functionality of the NEAR protocol chain signatures:
  • get cross chain address
  • get cross chain public key
  • sign payload
Tests
  •  Added unit tests
  •  Testet prompts
Sign payload
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: sign me this payload "0x470637f6dcc98931d6d22afa2b491c20caf0c3ba595d707606fe7915c30ef0a7" using chain signatures -------------------
The signature result is big_r: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8, big_s: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2 and recovery_id: 0
-------------------
The payload has been successfully signed. Here are the signature details:
- **big_r**: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8
- **big_s**: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2
- **recovery_id**: 0
Let me know if you need any further assistance!

Get cross chain public key
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: what is the cross chain public key for the account sample.testnet
-------------------
Computed public key for account id sample.testnet, network near-testnet and derivation path account-1 is 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
-------------------
The cross-chain public key for the account "sample.testnet" on the NEAR testnet with the derivation path "account-1" is:
**Public Key**: 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
If you need any more help, feel free to ask!

Checklist
A couple of things to include in your PR for completeness:
  •  Added documentation to all relevant README.md files
  •  Added a changelog entry
@cb-heimdall
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wip: Feat/near chain signatures supportFeat/near chain signatures supportMar 17, 2025
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marked this pull request as ready for review
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hey @murrlincoln, any comments on this PR? Thanks
CarsonRoscoe
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Comment threadtypescript/agentkit/src/action-providers/near/nearActionProvider.ts
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Comment threadtypescript/agentkit/src/wallet-providers/nearKeypairWalletProvider.ts
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@CarsonRoscoe let me know what are your thoughts. Best
@EdsonAlcala
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@CarsonRoscoe@murrlincoln I would like to ask you what is the criteria to merge and review PRs. Considering more recent PRs like #665 was merged before this one.
In general this PR has been open since March 13, that means after 36 days we are still here waiting and I have applied all your changes and suggestions.
No more changes have been required from our side.
If there are doubts or suggestions I'm happy to jump on a call and discuss about it. On the other hand, if the PR is not up to your coding standards or is not welcome you can also let me know. Because I have been constantly rebasing and merging and there is not clarity with it. I mean not even the pipeline has run.
@EdsonAlcala
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May 1, 2025

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@CarsonRoscoe@murrlincoln Is this really the way to treat contributors?
@EdsonAlcala
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@CarsonRoscoe@murrlincoln any updates?
@EdsonAlcala
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any updates on this? @CarsonRoscoe@murrlincoln

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, '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" + '

Skip to content
feat/near chain signatures support - #562
Open
EdsonAlcala wants to merge 47 commits into
coinbase:mainfrom 
EdsonAlcala:feat/near-chain-signatures-support
Open
feat/near chain signatures support#562
EdsonAlcala wants to merge 47 commits into
coinbase:mainfrom 
EdsonAlcala:feat/near-chain-signatures-support
Conversation
@EdsonAlcala
@EdsonAlcalaEdsonAlcala
commented
Mar 13, 2025•

edited

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Description
This PR adds support for the NEAR protocol chain signatures, that allows a NEAR protocol account to control other accounts/addresses across multiple chains.
In order to enable the chain signatures support a NearKeyPairWalletProvider was required.
The PR also includes an example bot.
The following actions contain the functionality of the NEAR protocol chain signatures:
  • get cross chain address
  • get cross chain public key
  • sign payload
Tests
  •  Added unit tests
  •  Testet prompts
Sign payload
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: sign me this payload "0x470637f6dcc98931d6d22afa2b491c20caf0c3ba595d707606fe7915c30ef0a7" using chain signatures -------------------
The signature result is big_r: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8, big_s: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2 and recovery_id: 0
-------------------
The payload has been successfully signed. Here are the signature details:
- **big_r**: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8
- **big_s**: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2
- **recovery_id**: 0
Let me know if you need any further assistance!

Get cross chain public key
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: what is the cross chain public key for the account sample.testnet
-------------------
Computed public key for account id sample.testnet, network near-testnet and derivation path account-1 is 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
-------------------
The cross-chain public key for the account "sample.testnet" on the NEAR testnet with the derivation path "account-1" is:
**Public Key**: 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
If you need any more help, feel free to ask!

Checklist
A couple of things to include in your PR for completeness:
  •  Added documentation to all relevant README.md files
  •  Added a changelog entry
@cb-heimdall
cb-heimdall
commented
Mar 13, 2025•

edited

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🟡 Heimdall Review Status
RequirementStatusMore Info
Reviews
🟡
0/1
Denominator calculation
Show calculation
1 if user is bot0
1 if user is external0

From .codeflow.yml1

Additional review requirements

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Max0
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From CODEOWNERS0
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Max
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1 if commit is unverified1
Sum2
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added

documentation
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action provider
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example
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Mar 13, 2025
@EdsonAlcalaEdsonAlcala
changed the title
wip: Feat/near chain signatures supportFeat/near chain signatures supportMar 17, 2025
@EdsonAlcala
EdsonAlcala
marked this pull request as ready for review
March 17, 2025 16:29
@EdsonAlcalaEdsonAlcala
changed the title
Feat/near chain signatures supportfeat/near chain signatures supportMar 17, 2025
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hey @murrlincoln, any comments on this PR? Thanks
CarsonRoscoe
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Comment threadtypescript/agentkit/src/action-providers/near/nearActionProvider.ts
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Comment threadtypescript/agentkit/src/wallet-providers/nearKeypairWalletProvider.ts
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@CarsonRoscoe let me know what are your thoughts. Best
@EdsonAlcala
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Apr 18, 2025•

edited

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@CarsonRoscoe@murrlincoln I would like to ask you what is the criteria to merge and review PRs. Considering more recent PRs like #665 was merged before this one.
In general this PR has been open since March 13, that means after 36 days we are still here waiting and I have applied all your changes and suggestions.
No more changes have been required from our side.
If there are doubts or suggestions I'm happy to jump on a call and discuss about it. On the other hand, if the PR is not up to your coding standards or is not welcome you can also let me know. Because I have been constantly rebasing and merging and there is not clarity with it. I mean not even the pipeline has run.
@EdsonAlcala
EdsonAlcala
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May 1, 2025

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@CarsonRoscoe@murrlincoln Is this really the way to treat contributors?
@EdsonAlcala
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May 8, 2025

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@CarsonRoscoe@murrlincoln any updates?
@EdsonAlcala
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any updates on this? @CarsonRoscoe@murrlincoln

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any updates on this? @CarsonRoscoe@murrlincoln
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, '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('^' + ".*" + '

Skip to content
feat/near chain signatures support - #562
Open
EdsonAlcala wants to merge 47 commits into
coinbase:mainfrom 
EdsonAlcala:feat/near-chain-signatures-support
Open
feat/near chain signatures support#562
EdsonAlcala wants to merge 47 commits into
coinbase:mainfrom 
EdsonAlcala:feat/near-chain-signatures-support
Conversation
@EdsonAlcala
@EdsonAlcalaEdsonAlcala
commented
Mar 13, 2025•

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Description
This PR adds support for the NEAR protocol chain signatures, that allows a NEAR protocol account to control other accounts/addresses across multiple chains.
In order to enable the chain signatures support a NearKeyPairWalletProvider was required.
The PR also includes an example bot.
The following actions contain the functionality of the NEAR protocol chain signatures:
  • get cross chain address
  • get cross chain public key
  • sign payload
Tests
  •  Added unit tests
  •  Testet prompts
Sign payload
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: sign me this payload "0x470637f6dcc98931d6d22afa2b491c20caf0c3ba595d707606fe7915c30ef0a7" using chain signatures -------------------
The signature result is big_r: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8, big_s: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2 and recovery_id: 0
-------------------
The payload has been successfully signed. Here are the signature details:
- **big_r**: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8
- **big_s**: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2
- **recovery_id**: 0
Let me know if you need any further assistance!

Get cross chain public key
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: what is the cross chain public key for the account sample.testnet
-------------------
Computed public key for account id sample.testnet, network near-testnet and derivation path account-1 is 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
-------------------
The cross-chain public key for the account "sample.testnet" on the NEAR testnet with the derivation path "account-1" is:
**Public Key**: 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
If you need any more help, feel free to ask!

Checklist
A couple of things to include in your PR for completeness:
  •  Added documentation to all relevant README.md files
  •  Added a changelog entry
@cb-heimdall
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Mar 13, 2025•

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RequirementStatusMore Info
Reviews
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1 if user is bot0
1 if user is external0

From .codeflow.yml1

Additional review requirements

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Max0
0

From CODEOWNERS0
Global minimum0
Max
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1
1 if commit is unverified1
Sum2
@github-actionsgithub-actionsBot
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documentation
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wallet provider
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Mar 13, 2025
@EdsonAlcalaEdsonAlcala
changed the title
wip: Feat/near chain signatures supportFeat/near chain signatures supportMar 17, 2025
@EdsonAlcala
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marked this pull request as ready for review
March 17, 2025 16:29
@EdsonAlcalaEdsonAlcala
changed the title
Feat/near chain signatures supportfeat/near chain signatures supportMar 17, 2025
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hey @murrlincoln, any comments on this PR? Thanks
CarsonRoscoe
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Comment threadtypescript/agentkit/src/action-providers/near/nearActionProvider.ts
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@CarsonRoscoe let me know what are your thoughts. Best
@EdsonAlcala
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@CarsonRoscoe@murrlincoln I would like to ask you what is the criteria to merge and review PRs. Considering more recent PRs like #665 was merged before this one.
In general this PR has been open since March 13, that means after 36 days we are still here waiting and I have applied all your changes and suggestions.
No more changes have been required from our side.
If there are doubts or suggestions I'm happy to jump on a call and discuss about it. On the other hand, if the PR is not up to your coding standards or is not welcome you can also let me know. Because I have been constantly rebasing and merging and there is not clarity with it. I mean not even the pipeline has run.
@EdsonAlcala
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@CarsonRoscoe@murrlincoln Is this really the way to treat contributors?
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@CarsonRoscoe@murrlincoln any updates?
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any updates on this? @CarsonRoscoe@murrlincoln

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, '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('^' + ".*" + '

Skip to content
feat/near chain signatures support - #562
Open
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EdsonAlcala:feat/near-chain-signatures-support
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feat/near chain signatures support#562
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EdsonAlcala:feat/near-chain-signatures-support
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@EdsonAlcala
@EdsonAlcalaEdsonAlcala
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Mar 13, 2025•

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Description
This PR adds support for the NEAR protocol chain signatures, that allows a NEAR protocol account to control other accounts/addresses across multiple chains.
In order to enable the chain signatures support a NearKeyPairWalletProvider was required.
The PR also includes an example bot.
The following actions contain the functionality of the NEAR protocol chain signatures:
  • get cross chain address
  • get cross chain public key
  • sign payload
Tests
  •  Added unit tests
  •  Testet prompts
Sign payload
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: sign me this payload "0x470637f6dcc98931d6d22afa2b491c20caf0c3ba595d707606fe7915c30ef0a7" using chain signatures -------------------
The signature result is big_r: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8, big_s: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2 and recovery_id: 0
-------------------
The payload has been successfully signed. Here are the signature details:
- **big_r**: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8
- **big_s**: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2
- **recovery_id**: 0
Let me know if you need any further assistance!

Get cross chain public key
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: what is the cross chain public key for the account sample.testnet
-------------------
Computed public key for account id sample.testnet, network near-testnet and derivation path account-1 is 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
-------------------
The cross-chain public key for the account "sample.testnet" on the NEAR testnet with the derivation path "account-1" is:
**Public Key**: 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
If you need any more help, feel free to ask!

Checklist
A couple of things to include in your PR for completeness:
  •  Added documentation to all relevant README.md files
  •  Added a changelog entry
@cb-heimdall
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🟡 Heimdall Review Status
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wallet provider
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typescript

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Mar 13, 2025
@EdsonAlcalaEdsonAlcala
changed the title
wip: Feat/near chain signatures supportFeat/near chain signatures supportMar 17, 2025
@EdsonAlcala
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marked this pull request as ready for review
March 17, 2025 16:29
@EdsonAlcalaEdsonAlcala
changed the title
Feat/near chain signatures supportfeat/near chain signatures supportMar 17, 2025
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hey @murrlincoln, any comments on this PR? Thanks
CarsonRoscoe
CarsonRoscoe
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Apr 8, 2025
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Comment threadtypescript/agentkit/src/action-providers/near/nearActionProvider.ts
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Comment threadtypescript/agentkit/src/wallet-providers/nearKeypairWalletProvider.ts
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Apr 17, 2025

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@CarsonRoscoe let me know what are your thoughts. Best
@EdsonAlcala
EdsonAlcala
commented
Apr 18, 2025•

edited

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@CarsonRoscoe@murrlincoln I would like to ask you what is the criteria to merge and review PRs. Considering more recent PRs like #665 was merged before this one.
In general this PR has been open since March 13, that means after 36 days we are still here waiting and I have applied all your changes and suggestions.
No more changes have been required from our side.
If there are doubts or suggestions I'm happy to jump on a call and discuss about it. On the other hand, if the PR is not up to your coding standards or is not welcome you can also let me know. Because I have been constantly rebasing and merging and there is not clarity with it. I mean not even the pipeline has run.
@EdsonAlcala
EdsonAlcala
commented
May 1, 2025

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@CarsonRoscoe@murrlincoln Is this really the way to treat contributors?
@EdsonAlcala
EdsonAlcala
commented
May 8, 2025

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@CarsonRoscoe@murrlincoln any updates?
@EdsonAlcala
EdsonAlcala
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May 29, 2025•

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any updates on this? @CarsonRoscoe@murrlincoln

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any updates on this? @CarsonRoscoe@murrlincoln
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@murrlincolnmurrlincolnAwaiting requested review from murrlincolnmurrlincoln is a code owner

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action providerNew action providerbananadocumentationImprovements or additions to documentationexampleNew example agenttypescriptwallet providerNew wallet provider

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, '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); }
})();
})();

Skip to content
feat/near chain signatures support - #562
Open
EdsonAlcala wants to merge 47 commits into
coinbase:mainfrom 
EdsonAlcala:feat/near-chain-signatures-support
Open
feat/near chain signatures support#562
EdsonAlcala wants to merge 47 commits into
coinbase:mainfrom 
EdsonAlcala:feat/near-chain-signatures-support
Conversation
@EdsonAlcala
@EdsonAlcalaEdsonAlcala
commented
Mar 13, 2025•

edited

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Description
This PR adds support for the NEAR protocol chain signatures, that allows a NEAR protocol account to control other accounts/addresses across multiple chains.
In order to enable the chain signatures support a NearKeyPairWalletProvider was required.
The PR also includes an example bot.
The following actions contain the functionality of the NEAR protocol chain signatures:
  • get cross chain address
  • get cross chain public key
  • sign payload
Tests
  •  Added unit tests
  •  Testet prompts
Sign payload
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: sign me this payload "0x470637f6dcc98931d6d22afa2b491c20caf0c3ba595d707606fe7915c30ef0a7" using chain signatures -------------------
The signature result is big_r: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8, big_s: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2 and recovery_id: 0
-------------------
The payload has been successfully signed. Here are the signature details:
- **big_r**: 02ACE91E6368E5859640CB8E988D70E6C1551E3B8AEC897084C5A2797EF606CCE8
- **big_s**: 3A84B3C0C157FFE0AC271A07F6ABB4BA8821E010F359FAEE05D82796122926F2
- **recovery_id**: 0
Let me know if you need any further assistance!

Get cross chain public key
Chatbot: typescript/examples/langchain-near-chatbot/chatbot.ts
Network: near-testnet
Setup: Users will be able to create a NEAR account
Prompt: what is the cross chain public key for the account sample.testnet
-------------------
Computed public key for account id sample.testnet, network near-testnet and derivation path account-1 is 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
-------------------
The cross-chain public key for the account "sample.testnet" on the NEAR testnet with the derivation path "account-1" is:
**Public Key**: 0433cea8fa3b41fa277d16af5895aca4bcea550470a40dfaa4aaff3d7eafeb5b1bf13e9b6d8e55a3f2ecba326a3e79002d601835a0b16848b040653360e4ba411d
If you need any more help, feel free to ask!

Checklist
A couple of things to include in your PR for completeness:
  •  Added documentation to all relevant README.md files
  •  Added a changelog entry
@cb-heimdall
cb-heimdall
commented
Mar 13, 2025•

edited

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🟡 Heimdall Review Status
RequirementStatusMore Info
Reviews
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Denominator calculation
Show calculation
1 if user is bot0
1 if user is external0

From .codeflow.yml1

Additional review requirements

Show calculation
Max0
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From CODEOWNERS0
Global minimum0
Max
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1
1 if commit is unverified1
Sum2
@github-actionsgithub-actionsBot
added

documentation
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action provider
New action provider
wallet provider
New wallet provider
example
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typescript

labels
Mar 13, 2025
@EdsonAlcalaEdsonAlcala
changed the title
wip: Feat/near chain signatures supportFeat/near chain signatures supportMar 17, 2025
@EdsonAlcala
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marked this pull request as ready for review
March 17, 2025 16:29
@EdsonAlcalaEdsonAlcala
changed the title
Feat/near chain signatures supportfeat/near chain signatures supportMar 17, 2025
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hey @murrlincoln, any comments on this PR? Thanks
CarsonRoscoe
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Comment threadtypescript/agentkit/src/action-providers/near/nearActionProvider.ts
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Comment threadtypescript/agentkit/src/wallet-providers/nearKeypairWalletProvider.ts
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Apr 17, 2025

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@CarsonRoscoe let me know what are your thoughts. Best
@EdsonAlcala
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Apr 18, 2025•

edited

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@CarsonRoscoe@murrlincoln I would like to ask you what is the criteria to merge and review PRs. Considering more recent PRs like #665 was merged before this one.
In general this PR has been open since March 13, that means after 36 days we are still here waiting and I have applied all your changes and suggestions.
No more changes have been required from our side.
If there are doubts or suggestions I'm happy to jump on a call and discuss about it. On the other hand, if the PR is not up to your coding standards or is not welcome you can also let me know. Because I have been constantly rebasing and merging and there is not clarity with it. I mean not even the pipeline has run.
@EdsonAlcala
EdsonAlcala
commented
May 1, 2025

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@CarsonRoscoe@murrlincoln Is this really the way to treat contributors?
@EdsonAlcala
EdsonAlcala
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May 8, 2025

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@CarsonRoscoe@murrlincoln any updates?
@EdsonAlcala
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May 29, 2025•

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any updates on this? @CarsonRoscoe@murrlincoln

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any updates on this? @CarsonRoscoe@murrlincoln
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