feat: Add svm support to x402 action - #852

Merged
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm
Oct 1, 2025
Merged

feat: Add svm support to x402 action#852
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm

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@phdargen

@phdargenphdargen commented Sep 25, 2025

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Description

Implements svm support for the x402 action provider

  • Adds new toSigner method to SvmWalletProvider, similar to EVM equivalent in feat: x402 bazaar #846
  • Implements getKeyPairSigner method to get KeyPairSigner from privateKey for CdpSolanaWalletProvider and SolanaKeypairWalletProvider
    -> requires new @solana/kit dependency
  • Updates x402 action to accept svm wallet providers

Tests

Chatbot: typescript/examples/langchain-solana-chatbot/chatbot.ts && typescript/examples/langchain-cdp-chatbot/chatbot.ts Network: Solana devnet
Setup: Fauceted with 1 USDC
Prompt: fetch https://biznews.x402.bot/news
-------------------
{"status":"error_402_payment_required","acceptablePaymentOptions":[{"scheme":"exact","network":"solana-devnet","maxAmountRequired":"50000","resource":"https://biznews.x402.bot/news","description":"Returns a list of recent new articles that affect business.","mimeType":"","payTo":"D5Do2wEoae1kNu8pXPyExXMf7nPmX949LDzZnc5Y5zgd","maxTimeoutSeconds":60,"asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","outputSchema":{"input":{"type":"http","method":"GET"}},"extra":{"feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}],"nextSteps":["Inform the user that the requested server replied with a 402 Payment Required response.","The payment options are: 0.05 USDC on solana-devnet network","Ask the user if they want to retry the request with payment.","Use retry_http_request_with_x402 to retry the request with payment."]}
-------------------
The request to fetch the news from the specified URL returned a 402 Payment Required response. The payment options available are: 0.05 USDC on the Solana Devnet network.
Would you like to proceed and retry the request with payment?
-------------------
Prompt: yes
> -------------------
{"status":"success","data":{"articles":[{"source":{"id":null,"name":"Investor's Business Daily"},"author":null,"title":"Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily","description":"Fed chief Jerome Powell said Tuesday that \"equity prices are fairly highly valued.\"","url":"https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/","urlToImage":"https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg","publishedAt":"2025-09-24T00:05:00Z","content":"Information in Investors Business Daily is for informational and educational purposes only and should not be construed as an offer, recommendation, solicitation, or rating to buy or sell securities. … [+1064 chars]"},{"source":{"id":null,"name":"BBC News"},"author":null,"title":"H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC","description":"The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.","url":"https://www.bbc.com/news/articles/cx27lj39e99o","urlToImage":"https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg","publishedAt":"2025-09-23T20:45:03Z","content":"Nadine YousifSenior Canada reporter\r\nAs President Donald Trump hikes the fee for a popular skilled worker visa programme in the US, lawyers and business experts are urging Canada to seize the moment … [+5097 chars]"},{"source":{"id":null,"name":"Lilly.com"},"author":null,"title":"Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company","description":"The Investor Relations website contains information about Eli Lilly and Company's business for stockholders, potential investors, and financial analysts.","url":"https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active","urlToImage":"https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98","publishedAt":"2025-09-23T17:02:21Z","content":"The new Houston\r\n site, Lilly's eighth U.S.\r\n manufacturing facility announced since 2020, will focus on domestic production of small molecule synthetic medicines \r\nCompany plans to create 4,615 man… [+8019 chars]"},{"source":{"id":null,"name":"CBS News"},"author":null,"title":"Cases of drug-resistant \"nightmare bacteria\" are rising in the U.S., CDC researchers say - CBS News","description":"Government scientists say infection rates from drug-resistant \"nightmare bacteria\" have been increasing dramatically.","url":"https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/","urlToImage":"https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg","publishedAt":"2025-09-23T18:27:04Z","content":"Infection rates from drug-resistant \"nightmare bacteria\" rose almost 70% between 2019 and 2023, according to a new report from Centers for Disease Control and Prevention scientists.\r\nBacteria that ar… [+3166 chars]"}]},"message":"Request completed successfully with payment","details":{"url":"https://biznews.x402.bot/news","method":"GET","paymentUsed":{"network":"solana-devnet","asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","amount":"50000"},"paymentProof":{"transaction":"tT5qo1gQWcPUZAqiYVehPZdCHykthZZEy21oWCY2mhgQqTU943tL8Mxu2E4mAuwoxnFXHf65r25xVMKqyAtfJbo","network":"solana-devnet","payer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}}
The request was successfully completed! Here are the recent articles from the news:
1. **[Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily](https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/)**
- Published At: 2025-09-24
- Description: Fed chief Jerome Powell said Tuesday that "equity prices are fairly highly valued."
- ![Image](https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg)
2. **[H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC News](https://www.bbc.com/news/articles/cx27lj39e99o)**
- Published At: 2025-09-23
- Description: The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.
- ![Image](https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg)
3. **[Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company](https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active)**
- Published At: 2025-09-23
- Description: The new Houston site will focus on domestic production of small molecule synthetic medicines.
- ![Image](https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98)
4. **[Cases of drug-resistant "nightmare bacteria" are rising in the U.S., CDC researchers say - CBS News](https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/)**
- Published At: 2025-09-23
- Description: Infection rates from drug-resistant "nightmare bacteria" have been increasing dramatically, according to the CDC.
- ![Image](https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg)
If you need further assistance or more information, 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 Sep 25, 2025

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@github-actionsgithub-actionsBot added action provider New action provider wallet provider New wallet provider example New example agent typescript documentation Improvements or additions to documentation labels Sep 25, 2025
@phdargen
phdargenforce-pushed the x402-svm branch 2 times, most recently from 021fc8b to 858072cCompareSeptember 25, 2025 05:01
@phdargenphdargen changed the title WIP: Add svm support to x402 actionfeat: Add svm support to x402 actionSep 25, 2025
@CarsonRoscoe
CarsonRoscoe merged commit 34d8217 into coinbase:mainOct 1, 2025
27 checks passed
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Labels

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

Development

Successfully merging this pull request may close these issues.

3 participants

@phdargen@cb-heimdall@CarsonRoscoe
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feat: Add svm support to x402 action - #852

Merged
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm
Oct 1, 2025
Merged

feat: Add svm support to x402 action#852
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm

Conversation

@phdargen

@phdargenphdargen commented Sep 25, 2025

Copy link
Copy Markdown
Contributor

Description

Implements svm support for the x402 action provider

  • Adds new toSigner method to SvmWalletProvider, similar to EVM equivalent in feat: x402 bazaar #846
  • Implements getKeyPairSigner method to get KeyPairSigner from privateKey for CdpSolanaWalletProvider and SolanaKeypairWalletProvider
    -> requires new @solana/kit dependency
  • Updates x402 action to accept svm wallet providers

Tests

Chatbot: typescript/examples/langchain-solana-chatbot/chatbot.ts && typescript/examples/langchain-cdp-chatbot/chatbot.ts Network: Solana devnet
Setup: Fauceted with 1 USDC
Prompt: fetch https://biznews.x402.bot/news
-------------------
{"status":"error_402_payment_required","acceptablePaymentOptions":[{"scheme":"exact","network":"solana-devnet","maxAmountRequired":"50000","resource":"https://biznews.x402.bot/news","description":"Returns a list of recent new articles that affect business.","mimeType":"","payTo":"D5Do2wEoae1kNu8pXPyExXMf7nPmX949LDzZnc5Y5zgd","maxTimeoutSeconds":60,"asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","outputSchema":{"input":{"type":"http","method":"GET"}},"extra":{"feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}],"nextSteps":["Inform the user that the requested server replied with a 402 Payment Required response.","The payment options are: 0.05 USDC on solana-devnet network","Ask the user if they want to retry the request with payment.","Use retry_http_request_with_x402 to retry the request with payment."]}
-------------------
The request to fetch the news from the specified URL returned a 402 Payment Required response. The payment options available are: 0.05 USDC on the Solana Devnet network.
Would you like to proceed and retry the request with payment?
-------------------
Prompt: yes
> -------------------
{"status":"success","data":{"articles":[{"source":{"id":null,"name":"Investor's Business Daily"},"author":null,"title":"Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily","description":"Fed chief Jerome Powell said Tuesday that \"equity prices are fairly highly valued.\"","url":"https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/","urlToImage":"https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg","publishedAt":"2025-09-24T00:05:00Z","content":"Information in Investors Business Daily is for informational and educational purposes only and should not be construed as an offer, recommendation, solicitation, or rating to buy or sell securities. … [+1064 chars]"},{"source":{"id":null,"name":"BBC News"},"author":null,"title":"H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC","description":"The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.","url":"https://www.bbc.com/news/articles/cx27lj39e99o","urlToImage":"https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg","publishedAt":"2025-09-23T20:45:03Z","content":"Nadine YousifSenior Canada reporter\r\nAs President Donald Trump hikes the fee for a popular skilled worker visa programme in the US, lawyers and business experts are urging Canada to seize the moment … [+5097 chars]"},{"source":{"id":null,"name":"Lilly.com"},"author":null,"title":"Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company","description":"The Investor Relations website contains information about Eli Lilly and Company's business for stockholders, potential investors, and financial analysts.","url":"https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active","urlToImage":"https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98","publishedAt":"2025-09-23T17:02:21Z","content":"The new Houston\r\n site, Lilly's eighth U.S.\r\n manufacturing facility announced since 2020, will focus on domestic production of small molecule synthetic medicines \r\nCompany plans to create 4,615 man… [+8019 chars]"},{"source":{"id":null,"name":"CBS News"},"author":null,"title":"Cases of drug-resistant \"nightmare bacteria\" are rising in the U.S., CDC researchers say - CBS News","description":"Government scientists say infection rates from drug-resistant \"nightmare bacteria\" have been increasing dramatically.","url":"https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/","urlToImage":"https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg","publishedAt":"2025-09-23T18:27:04Z","content":"Infection rates from drug-resistant \"nightmare bacteria\" rose almost 70% between 2019 and 2023, according to a new report from Centers for Disease Control and Prevention scientists.\r\nBacteria that ar… [+3166 chars]"}]},"message":"Request completed successfully with payment","details":{"url":"https://biznews.x402.bot/news","method":"GET","paymentUsed":{"network":"solana-devnet","asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","amount":"50000"},"paymentProof":{"transaction":"tT5qo1gQWcPUZAqiYVehPZdCHykthZZEy21oWCY2mhgQqTU943tL8Mxu2E4mAuwoxnFXHf65r25xVMKqyAtfJbo","network":"solana-devnet","payer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}}
The request was successfully completed! Here are the recent articles from the news:
1. **[Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily](https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/)**
- Published At: 2025-09-24
- Description: Fed chief Jerome Powell said Tuesday that "equity prices are fairly highly valued."
- ![Image](https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg)
2. **[H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC News](https://www.bbc.com/news/articles/cx27lj39e99o)**
- Published At: 2025-09-23
- Description: The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.
- ![Image](https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg)
3. **[Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company](https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active)**
- Published At: 2025-09-23
- Description: The new Houston site will focus on domestic production of small molecule synthetic medicines.
- ![Image](https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98)
4. **[Cases of drug-resistant "nightmare bacteria" are rising in the U.S., CDC researchers say - CBS News](https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/)**
- Published At: 2025-09-23
- Description: Infection rates from drug-resistant "nightmare bacteria" have been increasing dramatically, according to the CDC.
- ![Image](https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg)
If you need further assistance or more information, 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 Sep 25, 2025

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✅ Heimdall Review Status

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@github-actionsgithub-actionsBot added action provider New action provider wallet provider New wallet provider example New example agent typescript documentation Improvements or additions to documentation labels Sep 25, 2025
@phdargen
phdargenforce-pushed the x402-svm branch 2 times, most recently from 021fc8b to 858072cCompareSeptember 25, 2025 05:01
@phdargenphdargen changed the title WIP: Add svm support to x402 actionfeat: Add svm support to x402 actionSep 25, 2025
@CarsonRoscoe
CarsonRoscoe merged commit 34d8217 into coinbase:mainOct 1, 2025
27 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

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

Development

Successfully merging this pull request may close these issues.

3 participants

@phdargen@cb-heimdall@CarsonRoscoe
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feat: Add svm support to x402 action - #852

Merged
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm
Oct 1, 2025
Merged

feat: Add svm support to x402 action#852
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm

Conversation

@phdargen

@phdargenphdargen commented Sep 25, 2025

Copy link
Copy Markdown
Contributor

Description

Implements svm support for the x402 action provider

  • Adds new toSigner method to SvmWalletProvider, similar to EVM equivalent in feat: x402 bazaar #846
  • Implements getKeyPairSigner method to get KeyPairSigner from privateKey for CdpSolanaWalletProvider and SolanaKeypairWalletProvider
    -> requires new @solana/kit dependency
  • Updates x402 action to accept svm wallet providers

Tests

Chatbot: typescript/examples/langchain-solana-chatbot/chatbot.ts && typescript/examples/langchain-cdp-chatbot/chatbot.ts Network: Solana devnet
Setup: Fauceted with 1 USDC
Prompt: fetch https://biznews.x402.bot/news
-------------------
{"status":"error_402_payment_required","acceptablePaymentOptions":[{"scheme":"exact","network":"solana-devnet","maxAmountRequired":"50000","resource":"https://biznews.x402.bot/news","description":"Returns a list of recent new articles that affect business.","mimeType":"","payTo":"D5Do2wEoae1kNu8pXPyExXMf7nPmX949LDzZnc5Y5zgd","maxTimeoutSeconds":60,"asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","outputSchema":{"input":{"type":"http","method":"GET"}},"extra":{"feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}],"nextSteps":["Inform the user that the requested server replied with a 402 Payment Required response.","The payment options are: 0.05 USDC on solana-devnet network","Ask the user if they want to retry the request with payment.","Use retry_http_request_with_x402 to retry the request with payment."]}
-------------------
The request to fetch the news from the specified URL returned a 402 Payment Required response. The payment options available are: 0.05 USDC on the Solana Devnet network.
Would you like to proceed and retry the request with payment?
-------------------
Prompt: yes
> -------------------
{"status":"success","data":{"articles":[{"source":{"id":null,"name":"Investor's Business Daily"},"author":null,"title":"Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily","description":"Fed chief Jerome Powell said Tuesday that \"equity prices are fairly highly valued.\"","url":"https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/","urlToImage":"https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg","publishedAt":"2025-09-24T00:05:00Z","content":"Information in Investors Business Daily is for informational and educational purposes only and should not be construed as an offer, recommendation, solicitation, or rating to buy or sell securities. … [+1064 chars]"},{"source":{"id":null,"name":"BBC News"},"author":null,"title":"H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC","description":"The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.","url":"https://www.bbc.com/news/articles/cx27lj39e99o","urlToImage":"https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg","publishedAt":"2025-09-23T20:45:03Z","content":"Nadine YousifSenior Canada reporter\r\nAs President Donald Trump hikes the fee for a popular skilled worker visa programme in the US, lawyers and business experts are urging Canada to seize the moment … [+5097 chars]"},{"source":{"id":null,"name":"Lilly.com"},"author":null,"title":"Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company","description":"The Investor Relations website contains information about Eli Lilly and Company's business for stockholders, potential investors, and financial analysts.","url":"https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active","urlToImage":"https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98","publishedAt":"2025-09-23T17:02:21Z","content":"The new Houston\r\n site, Lilly's eighth U.S.\r\n manufacturing facility announced since 2020, will focus on domestic production of small molecule synthetic medicines \r\nCompany plans to create 4,615 man… [+8019 chars]"},{"source":{"id":null,"name":"CBS News"},"author":null,"title":"Cases of drug-resistant \"nightmare bacteria\" are rising in the U.S., CDC researchers say - CBS News","description":"Government scientists say infection rates from drug-resistant \"nightmare bacteria\" have been increasing dramatically.","url":"https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/","urlToImage":"https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg","publishedAt":"2025-09-23T18:27:04Z","content":"Infection rates from drug-resistant \"nightmare bacteria\" rose almost 70% between 2019 and 2023, according to a new report from Centers for Disease Control and Prevention scientists.\r\nBacteria that ar… [+3166 chars]"}]},"message":"Request completed successfully with payment","details":{"url":"https://biznews.x402.bot/news","method":"GET","paymentUsed":{"network":"solana-devnet","asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","amount":"50000"},"paymentProof":{"transaction":"tT5qo1gQWcPUZAqiYVehPZdCHykthZZEy21oWCY2mhgQqTU943tL8Mxu2E4mAuwoxnFXHf65r25xVMKqyAtfJbo","network":"solana-devnet","payer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}}
The request was successfully completed! Here are the recent articles from the news:
1. **[Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily](https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/)**
- Published At: 2025-09-24
- Description: Fed chief Jerome Powell said Tuesday that "equity prices are fairly highly valued."
- ![Image](https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg)
2. **[H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC News](https://www.bbc.com/news/articles/cx27lj39e99o)**
- Published At: 2025-09-23
- Description: The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.
- ![Image](https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg)
3. **[Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company](https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active)**
- Published At: 2025-09-23
- Description: The new Houston site will focus on domestic production of small molecule synthetic medicines.
- ![Image](https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98)
4. **[Cases of drug-resistant "nightmare bacteria" are rising in the U.S., CDC researchers say - CBS News](https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/)**
- Published At: 2025-09-23
- Description: Infection rates from drug-resistant "nightmare bacteria" have been increasing dramatically, according to the CDC.
- ![Image](https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg)
If you need further assistance or more information, 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 Sep 25, 2025

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@github-actionsgithub-actionsBot added action provider New action provider wallet provider New wallet provider example New example agent typescript documentation Improvements or additions to documentation labels Sep 25, 2025
@phdargen
phdargenforce-pushed the x402-svm branch 2 times, most recently from 021fc8b to 858072cCompareSeptember 25, 2025 05:01
@phdargenphdargen changed the title WIP: Add svm support to x402 actionfeat: Add svm support to x402 actionSep 25, 2025
@CarsonRoscoe
CarsonRoscoe merged commit 34d8217 into coinbase:mainOct 1, 2025
27 checks passed
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Labels

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

Development

Successfully merging this pull request may close these issues.

3 participants

@phdargen@cb-heimdall@CarsonRoscoe
, '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: Add svm support to x402 action - #852

Merged
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm
Oct 1, 2025
Merged

feat: Add svm support to x402 action#852
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm

Conversation

@phdargen

@phdargenphdargen commented Sep 25, 2025

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Contributor

Description

Implements svm support for the x402 action provider

  • Adds new toSigner method to SvmWalletProvider, similar to EVM equivalent in feat: x402 bazaar #846
  • Implements getKeyPairSigner method to get KeyPairSigner from privateKey for CdpSolanaWalletProvider and SolanaKeypairWalletProvider
    -> requires new @solana/kit dependency
  • Updates x402 action to accept svm wallet providers

Tests

Chatbot: typescript/examples/langchain-solana-chatbot/chatbot.ts && typescript/examples/langchain-cdp-chatbot/chatbot.ts Network: Solana devnet
Setup: Fauceted with 1 USDC
Prompt: fetch https://biznews.x402.bot/news
-------------------
{"status":"error_402_payment_required","acceptablePaymentOptions":[{"scheme":"exact","network":"solana-devnet","maxAmountRequired":"50000","resource":"https://biznews.x402.bot/news","description":"Returns a list of recent new articles that affect business.","mimeType":"","payTo":"D5Do2wEoae1kNu8pXPyExXMf7nPmX949LDzZnc5Y5zgd","maxTimeoutSeconds":60,"asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","outputSchema":{"input":{"type":"http","method":"GET"}},"extra":{"feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}],"nextSteps":["Inform the user that the requested server replied with a 402 Payment Required response.","The payment options are: 0.05 USDC on solana-devnet network","Ask the user if they want to retry the request with payment.","Use retry_http_request_with_x402 to retry the request with payment."]}
-------------------
The request to fetch the news from the specified URL returned a 402 Payment Required response. The payment options available are: 0.05 USDC on the Solana Devnet network.
Would you like to proceed and retry the request with payment?
-------------------
Prompt: yes
> -------------------
{"status":"success","data":{"articles":[{"source":{"id":null,"name":"Investor's Business Daily"},"author":null,"title":"Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily","description":"Fed chief Jerome Powell said Tuesday that \"equity prices are fairly highly valued.\"","url":"https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/","urlToImage":"https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg","publishedAt":"2025-09-24T00:05:00Z","content":"Information in Investors Business Daily is for informational and educational purposes only and should not be construed as an offer, recommendation, solicitation, or rating to buy or sell securities. … [+1064 chars]"},{"source":{"id":null,"name":"BBC News"},"author":null,"title":"H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC","description":"The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.","url":"https://www.bbc.com/news/articles/cx27lj39e99o","urlToImage":"https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg","publishedAt":"2025-09-23T20:45:03Z","content":"Nadine YousifSenior Canada reporter\r\nAs President Donald Trump hikes the fee for a popular skilled worker visa programme in the US, lawyers and business experts are urging Canada to seize the moment … [+5097 chars]"},{"source":{"id":null,"name":"Lilly.com"},"author":null,"title":"Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company","description":"The Investor Relations website contains information about Eli Lilly and Company's business for stockholders, potential investors, and financial analysts.","url":"https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active","urlToImage":"https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98","publishedAt":"2025-09-23T17:02:21Z","content":"The new Houston\r\n site, Lilly's eighth U.S.\r\n manufacturing facility announced since 2020, will focus on domestic production of small molecule synthetic medicines \r\nCompany plans to create 4,615 man… [+8019 chars]"},{"source":{"id":null,"name":"CBS News"},"author":null,"title":"Cases of drug-resistant \"nightmare bacteria\" are rising in the U.S., CDC researchers say - CBS News","description":"Government scientists say infection rates from drug-resistant \"nightmare bacteria\" have been increasing dramatically.","url":"https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/","urlToImage":"https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg","publishedAt":"2025-09-23T18:27:04Z","content":"Infection rates from drug-resistant \"nightmare bacteria\" rose almost 70% between 2019 and 2023, according to a new report from Centers for Disease Control and Prevention scientists.\r\nBacteria that ar… [+3166 chars]"}]},"message":"Request completed successfully with payment","details":{"url":"https://biznews.x402.bot/news","method":"GET","paymentUsed":{"network":"solana-devnet","asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","amount":"50000"},"paymentProof":{"transaction":"tT5qo1gQWcPUZAqiYVehPZdCHykthZZEy21oWCY2mhgQqTU943tL8Mxu2E4mAuwoxnFXHf65r25xVMKqyAtfJbo","network":"solana-devnet","payer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}}
The request was successfully completed! Here are the recent articles from the news:
1. **[Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily](https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/)**
- Published At: 2025-09-24
- Description: Fed chief Jerome Powell said Tuesday that "equity prices are fairly highly valued."
- ![Image](https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg)
2. **[H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC News](https://www.bbc.com/news/articles/cx27lj39e99o)**
- Published At: 2025-09-23
- Description: The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.
- ![Image](https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg)
3. **[Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company](https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active)**
- Published At: 2025-09-23
- Description: The new Houston site will focus on domestic production of small molecule synthetic medicines.
- ![Image](https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98)
4. **[Cases of drug-resistant "nightmare bacteria" are rising in the U.S., CDC researchers say - CBS News](https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/)**
- Published At: 2025-09-23
- Description: Infection rates from drug-resistant "nightmare bacteria" have been increasing dramatically, according to the CDC.
- ![Image](https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg)
If you need further assistance or more information, 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 Sep 25, 2025

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✅ Heimdall Review Status

RequirementStatusMore Info
Reviews1/1
Denominator calculation
Show calculation
1 if user is bot0
1 if user is external0
2 if repo is sensitive0
From .codeflow.yml1
Additional review requirements
Show calculation
Max0
0
From CODEOWNERS0
Global minimum0
Max 1
1
1 if commit is unverified0
Sum1

@github-actionsgithub-actionsBot added action provider New action provider wallet provider New wallet provider example New example agent typescript documentation Improvements or additions to documentation labels Sep 25, 2025
@phdargen
phdargenforce-pushed the x402-svm branch 2 times, most recently from 021fc8b to 858072cCompareSeptember 25, 2025 05:01
@phdargenphdargen changed the title WIP: Add svm support to x402 actionfeat: Add svm support to x402 actionSep 25, 2025
@CarsonRoscoe
CarsonRoscoe merged commit 34d8217 into coinbase:mainOct 1, 2025
27 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

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

Development

Successfully merging this pull request may close these issues.

3 participants

@phdargen@cb-heimdall@CarsonRoscoe
, '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: Add svm support to x402 action - #852

Merged
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm
Oct 1, 2025
Merged

feat: Add svm support to x402 action#852
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm

Conversation

@phdargen

@phdargenphdargen commented Sep 25, 2025

Copy link
Copy Markdown
Contributor

Description

Implements svm support for the x402 action provider

  • Adds new toSigner method to SvmWalletProvider, similar to EVM equivalent in feat: x402 bazaar #846
  • Implements getKeyPairSigner method to get KeyPairSigner from privateKey for CdpSolanaWalletProvider and SolanaKeypairWalletProvider
    -> requires new @solana/kit dependency
  • Updates x402 action to accept svm wallet providers

Tests

Chatbot: typescript/examples/langchain-solana-chatbot/chatbot.ts && typescript/examples/langchain-cdp-chatbot/chatbot.ts Network: Solana devnet
Setup: Fauceted with 1 USDC
Prompt: fetch https://biznews.x402.bot/news
-------------------
{"status":"error_402_payment_required","acceptablePaymentOptions":[{"scheme":"exact","network":"solana-devnet","maxAmountRequired":"50000","resource":"https://biznews.x402.bot/news","description":"Returns a list of recent new articles that affect business.","mimeType":"","payTo":"D5Do2wEoae1kNu8pXPyExXMf7nPmX949LDzZnc5Y5zgd","maxTimeoutSeconds":60,"asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","outputSchema":{"input":{"type":"http","method":"GET"}},"extra":{"feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}],"nextSteps":["Inform the user that the requested server replied with a 402 Payment Required response.","The payment options are: 0.05 USDC on solana-devnet network","Ask the user if they want to retry the request with payment.","Use retry_http_request_with_x402 to retry the request with payment."]}
-------------------
The request to fetch the news from the specified URL returned a 402 Payment Required response. The payment options available are: 0.05 USDC on the Solana Devnet network.
Would you like to proceed and retry the request with payment?
-------------------
Prompt: yes
> -------------------
{"status":"success","data":{"articles":[{"source":{"id":null,"name":"Investor's Business Daily"},"author":null,"title":"Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily","description":"Fed chief Jerome Powell said Tuesday that \"equity prices are fairly highly valued.\"","url":"https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/","urlToImage":"https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg","publishedAt":"2025-09-24T00:05:00Z","content":"Information in Investors Business Daily is for informational and educational purposes only and should not be construed as an offer, recommendation, solicitation, or rating to buy or sell securities. … [+1064 chars]"},{"source":{"id":null,"name":"BBC News"},"author":null,"title":"H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC","description":"The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.","url":"https://www.bbc.com/news/articles/cx27lj39e99o","urlToImage":"https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg","publishedAt":"2025-09-23T20:45:03Z","content":"Nadine YousifSenior Canada reporter\r\nAs President Donald Trump hikes the fee for a popular skilled worker visa programme in the US, lawyers and business experts are urging Canada to seize the moment … [+5097 chars]"},{"source":{"id":null,"name":"Lilly.com"},"author":null,"title":"Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company","description":"The Investor Relations website contains information about Eli Lilly and Company's business for stockholders, potential investors, and financial analysts.","url":"https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active","urlToImage":"https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98","publishedAt":"2025-09-23T17:02:21Z","content":"The new Houston\r\n site, Lilly's eighth U.S.\r\n manufacturing facility announced since 2020, will focus on domestic production of small molecule synthetic medicines \r\nCompany plans to create 4,615 man… [+8019 chars]"},{"source":{"id":null,"name":"CBS News"},"author":null,"title":"Cases of drug-resistant \"nightmare bacteria\" are rising in the U.S., CDC researchers say - CBS News","description":"Government scientists say infection rates from drug-resistant \"nightmare bacteria\" have been increasing dramatically.","url":"https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/","urlToImage":"https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg","publishedAt":"2025-09-23T18:27:04Z","content":"Infection rates from drug-resistant \"nightmare bacteria\" rose almost 70% between 2019 and 2023, according to a new report from Centers for Disease Control and Prevention scientists.\r\nBacteria that ar… [+3166 chars]"}]},"message":"Request completed successfully with payment","details":{"url":"https://biznews.x402.bot/news","method":"GET","paymentUsed":{"network":"solana-devnet","asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","amount":"50000"},"paymentProof":{"transaction":"tT5qo1gQWcPUZAqiYVehPZdCHykthZZEy21oWCY2mhgQqTU943tL8Mxu2E4mAuwoxnFXHf65r25xVMKqyAtfJbo","network":"solana-devnet","payer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}}
The request was successfully completed! Here are the recent articles from the news:
1. **[Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily](https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/)**
- Published At: 2025-09-24
- Description: Fed chief Jerome Powell said Tuesday that "equity prices are fairly highly valued."
- ![Image](https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg)
2. **[H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC News](https://www.bbc.com/news/articles/cx27lj39e99o)**
- Published At: 2025-09-23
- Description: The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.
- ![Image](https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg)
3. **[Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company](https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active)**
- Published At: 2025-09-23
- Description: The new Houston site will focus on domestic production of small molecule synthetic medicines.
- ![Image](https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98)
4. **[Cases of drug-resistant "nightmare bacteria" are rising in the U.S., CDC researchers say - CBS News](https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/)**
- Published At: 2025-09-23
- Description: Infection rates from drug-resistant "nightmare bacteria" have been increasing dramatically, according to the CDC.
- ![Image](https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg)
If you need further assistance or more information, 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 Sep 25, 2025

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@github-actionsgithub-actionsBot added action provider New action provider wallet provider New wallet provider example New example agent typescript documentation Improvements or additions to documentation labels Sep 25, 2025
@phdargen
phdargenforce-pushed the x402-svm branch 2 times, most recently from 021fc8b to 858072cCompareSeptember 25, 2025 05:01
@phdargenphdargen changed the title WIP: Add svm support to x402 actionfeat: Add svm support to x402 actionSep 25, 2025
@CarsonRoscoe
CarsonRoscoe merged commit 34d8217 into coinbase:mainOct 1, 2025
27 checks passed
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Labels

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

Development

Successfully merging this pull request may close these issues.

3 participants

@phdargen@cb-heimdall@CarsonRoscoe
, '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: Add svm support to x402 action - #852

Merged
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm
Oct 1, 2025
Merged

feat: Add svm support to x402 action#852
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm

Conversation

@phdargen

@phdargenphdargen commented Sep 25, 2025

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Contributor

Description

Implements svm support for the x402 action provider

  • Adds new toSigner method to SvmWalletProvider, similar to EVM equivalent in feat: x402 bazaar #846
  • Implements getKeyPairSigner method to get KeyPairSigner from privateKey for CdpSolanaWalletProvider and SolanaKeypairWalletProvider
    -> requires new @solana/kit dependency
  • Updates x402 action to accept svm wallet providers

Tests

Chatbot: typescript/examples/langchain-solana-chatbot/chatbot.ts && typescript/examples/langchain-cdp-chatbot/chatbot.ts Network: Solana devnet
Setup: Fauceted with 1 USDC
Prompt: fetch https://biznews.x402.bot/news
-------------------
{"status":"error_402_payment_required","acceptablePaymentOptions":[{"scheme":"exact","network":"solana-devnet","maxAmountRequired":"50000","resource":"https://biznews.x402.bot/news","description":"Returns a list of recent new articles that affect business.","mimeType":"","payTo":"D5Do2wEoae1kNu8pXPyExXMf7nPmX949LDzZnc5Y5zgd","maxTimeoutSeconds":60,"asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","outputSchema":{"input":{"type":"http","method":"GET"}},"extra":{"feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}],"nextSteps":["Inform the user that the requested server replied with a 402 Payment Required response.","The payment options are: 0.05 USDC on solana-devnet network","Ask the user if they want to retry the request with payment.","Use retry_http_request_with_x402 to retry the request with payment."]}
-------------------
The request to fetch the news from the specified URL returned a 402 Payment Required response. The payment options available are: 0.05 USDC on the Solana Devnet network.
Would you like to proceed and retry the request with payment?
-------------------
Prompt: yes
> -------------------
{"status":"success","data":{"articles":[{"source":{"id":null,"name":"Investor's Business Daily"},"author":null,"title":"Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily","description":"Fed chief Jerome Powell said Tuesday that \"equity prices are fairly highly valued.\"","url":"https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/","urlToImage":"https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg","publishedAt":"2025-09-24T00:05:00Z","content":"Information in Investors Business Daily is for informational and educational purposes only and should not be construed as an offer, recommendation, solicitation, or rating to buy or sell securities. … [+1064 chars]"},{"source":{"id":null,"name":"BBC News"},"author":null,"title":"H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC","description":"The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.","url":"https://www.bbc.com/news/articles/cx27lj39e99o","urlToImage":"https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg","publishedAt":"2025-09-23T20:45:03Z","content":"Nadine YousifSenior Canada reporter\r\nAs President Donald Trump hikes the fee for a popular skilled worker visa programme in the US, lawyers and business experts are urging Canada to seize the moment … [+5097 chars]"},{"source":{"id":null,"name":"Lilly.com"},"author":null,"title":"Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company","description":"The Investor Relations website contains information about Eli Lilly and Company's business for stockholders, potential investors, and financial analysts.","url":"https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active","urlToImage":"https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98","publishedAt":"2025-09-23T17:02:21Z","content":"The new Houston\r\n site, Lilly's eighth U.S.\r\n manufacturing facility announced since 2020, will focus on domestic production of small molecule synthetic medicines \r\nCompany plans to create 4,615 man… [+8019 chars]"},{"source":{"id":null,"name":"CBS News"},"author":null,"title":"Cases of drug-resistant \"nightmare bacteria\" are rising in the U.S., CDC researchers say - CBS News","description":"Government scientists say infection rates from drug-resistant \"nightmare bacteria\" have been increasing dramatically.","url":"https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/","urlToImage":"https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg","publishedAt":"2025-09-23T18:27:04Z","content":"Infection rates from drug-resistant \"nightmare bacteria\" rose almost 70% between 2019 and 2023, according to a new report from Centers for Disease Control and Prevention scientists.\r\nBacteria that ar… [+3166 chars]"}]},"message":"Request completed successfully with payment","details":{"url":"https://biznews.x402.bot/news","method":"GET","paymentUsed":{"network":"solana-devnet","asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","amount":"50000"},"paymentProof":{"transaction":"tT5qo1gQWcPUZAqiYVehPZdCHykthZZEy21oWCY2mhgQqTU943tL8Mxu2E4mAuwoxnFXHf65r25xVMKqyAtfJbo","network":"solana-devnet","payer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}}
The request was successfully completed! Here are the recent articles from the news:
1. **[Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily](https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/)**
- Published At: 2025-09-24
- Description: Fed chief Jerome Powell said Tuesday that "equity prices are fairly highly valued."
- ![Image](https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg)
2. **[H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC News](https://www.bbc.com/news/articles/cx27lj39e99o)**
- Published At: 2025-09-23
- Description: The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.
- ![Image](https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg)
3. **[Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company](https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active)**
- Published At: 2025-09-23
- Description: The new Houston site will focus on domestic production of small molecule synthetic medicines.
- ![Image](https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98)
4. **[Cases of drug-resistant "nightmare bacteria" are rising in the U.S., CDC researchers say - CBS News](https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/)**
- Published At: 2025-09-23
- Description: Infection rates from drug-resistant "nightmare bacteria" have been increasing dramatically, according to the CDC.
- ![Image](https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg)
If you need further assistance or more information, 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 Sep 25, 2025

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✅ Heimdall Review Status

RequirementStatusMore Info
Reviews1/1
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1 if user is bot0
1 if user is external0
2 if repo is sensitive0
From .codeflow.yml1
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Show calculation
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From CODEOWNERS0
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Max 1
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Sum1

@github-actionsgithub-actionsBot added action provider New action provider wallet provider New wallet provider example New example agent typescript documentation Improvements or additions to documentation labels Sep 25, 2025
@phdargen
phdargenforce-pushed the x402-svm branch 2 times, most recently from 021fc8b to 858072cCompareSeptember 25, 2025 05:01
@phdargenphdargen changed the title WIP: Add svm support to x402 actionfeat: Add svm support to x402 actionSep 25, 2025
@CarsonRoscoe
CarsonRoscoe merged commit 34d8217 into coinbase:mainOct 1, 2025
27 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

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

Development

Successfully merging this pull request may close these issues.

3 participants

@phdargen@cb-heimdall@CarsonRoscoe
, '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: Add svm support to x402 action - #852

Merged
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm
Oct 1, 2025
Merged

feat: Add svm support to x402 action#852
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm

Conversation

@phdargen

@phdargenphdargen commented Sep 25, 2025

Copy link
Copy Markdown
Contributor

Description

Implements svm support for the x402 action provider

  • Adds new toSigner method to SvmWalletProvider, similar to EVM equivalent in feat: x402 bazaar #846
  • Implements getKeyPairSigner method to get KeyPairSigner from privateKey for CdpSolanaWalletProvider and SolanaKeypairWalletProvider
    -> requires new @solana/kit dependency
  • Updates x402 action to accept svm wallet providers

Tests

Chatbot: typescript/examples/langchain-solana-chatbot/chatbot.ts && typescript/examples/langchain-cdp-chatbot/chatbot.ts Network: Solana devnet
Setup: Fauceted with 1 USDC
Prompt: fetch https://biznews.x402.bot/news
-------------------
{"status":"error_402_payment_required","acceptablePaymentOptions":[{"scheme":"exact","network":"solana-devnet","maxAmountRequired":"50000","resource":"https://biznews.x402.bot/news","description":"Returns a list of recent new articles that affect business.","mimeType":"","payTo":"D5Do2wEoae1kNu8pXPyExXMf7nPmX949LDzZnc5Y5zgd","maxTimeoutSeconds":60,"asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","outputSchema":{"input":{"type":"http","method":"GET"}},"extra":{"feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}],"nextSteps":["Inform the user that the requested server replied with a 402 Payment Required response.","The payment options are: 0.05 USDC on solana-devnet network","Ask the user if they want to retry the request with payment.","Use retry_http_request_with_x402 to retry the request with payment."]}
-------------------
The request to fetch the news from the specified URL returned a 402 Payment Required response. The payment options available are: 0.05 USDC on the Solana Devnet network.
Would you like to proceed and retry the request with payment?
-------------------
Prompt: yes
> -------------------
{"status":"success","data":{"articles":[{"source":{"id":null,"name":"Investor's Business Daily"},"author":null,"title":"Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily","description":"Fed chief Jerome Powell said Tuesday that \"equity prices are fairly highly valued.\"","url":"https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/","urlToImage":"https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg","publishedAt":"2025-09-24T00:05:00Z","content":"Information in Investors Business Daily is for informational and educational purposes only and should not be construed as an offer, recommendation, solicitation, or rating to buy or sell securities. … [+1064 chars]"},{"source":{"id":null,"name":"BBC News"},"author":null,"title":"H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC","description":"The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.","url":"https://www.bbc.com/news/articles/cx27lj39e99o","urlToImage":"https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg","publishedAt":"2025-09-23T20:45:03Z","content":"Nadine YousifSenior Canada reporter\r\nAs President Donald Trump hikes the fee for a popular skilled worker visa programme in the US, lawyers and business experts are urging Canada to seize the moment … [+5097 chars]"},{"source":{"id":null,"name":"Lilly.com"},"author":null,"title":"Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company","description":"The Investor Relations website contains information about Eli Lilly and Company's business for stockholders, potential investors, and financial analysts.","url":"https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active","urlToImage":"https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98","publishedAt":"2025-09-23T17:02:21Z","content":"The new Houston\r\n site, Lilly's eighth U.S.\r\n manufacturing facility announced since 2020, will focus on domestic production of small molecule synthetic medicines \r\nCompany plans to create 4,615 man… [+8019 chars]"},{"source":{"id":null,"name":"CBS News"},"author":null,"title":"Cases of drug-resistant \"nightmare bacteria\" are rising in the U.S., CDC researchers say - CBS News","description":"Government scientists say infection rates from drug-resistant \"nightmare bacteria\" have been increasing dramatically.","url":"https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/","urlToImage":"https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg","publishedAt":"2025-09-23T18:27:04Z","content":"Infection rates from drug-resistant \"nightmare bacteria\" rose almost 70% between 2019 and 2023, according to a new report from Centers for Disease Control and Prevention scientists.\r\nBacteria that ar… [+3166 chars]"}]},"message":"Request completed successfully with payment","details":{"url":"https://biznews.x402.bot/news","method":"GET","paymentUsed":{"network":"solana-devnet","asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","amount":"50000"},"paymentProof":{"transaction":"tT5qo1gQWcPUZAqiYVehPZdCHykthZZEy21oWCY2mhgQqTU943tL8Mxu2E4mAuwoxnFXHf65r25xVMKqyAtfJbo","network":"solana-devnet","payer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}}
The request was successfully completed! Here are the recent articles from the news:
1. **[Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily](https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/)**
- Published At: 2025-09-24
- Description: Fed chief Jerome Powell said Tuesday that "equity prices are fairly highly valued."
- ![Image](https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg)
2. **[H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC News](https://www.bbc.com/news/articles/cx27lj39e99o)**
- Published At: 2025-09-23
- Description: The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.
- ![Image](https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg)
3. **[Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company](https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active)**
- Published At: 2025-09-23
- Description: The new Houston site will focus on domestic production of small molecule synthetic medicines.
- ![Image](https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98)
4. **[Cases of drug-resistant "nightmare bacteria" are rising in the U.S., CDC researchers say - CBS News](https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/)**
- Published At: 2025-09-23
- Description: Infection rates from drug-resistant "nightmare bacteria" have been increasing dramatically, according to the CDC.
- ![Image](https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg)
If you need further assistance or more information, 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 Sep 25, 2025

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@github-actionsgithub-actionsBot added action provider New action provider wallet provider New wallet provider example New example agent typescript documentation Improvements or additions to documentation labels Sep 25, 2025
@phdargen
phdargenforce-pushed the x402-svm branch 2 times, most recently from 021fc8b to 858072cCompareSeptember 25, 2025 05:01
@phdargenphdargen changed the title WIP: Add svm support to x402 actionfeat: Add svm support to x402 actionSep 25, 2025
@CarsonRoscoe
CarsonRoscoe merged commit 34d8217 into coinbase:mainOct 1, 2025
27 checks passed
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action providerNew action providerdocumentationImprovements or additions to documentationexampleNew example agenttypescriptwallet providerNew wallet provider

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@phdargen@cb-heimdall@CarsonRoscoe
, '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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feat: Add svm support to x402 action - #852

Merged
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm
Oct 1, 2025
Merged

feat: Add svm support to x402 action#852
CarsonRoscoe merged 4 commits into
coinbase:mainfrom
phdargen:x402-svm

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@phdargen

@phdargenphdargen commented Sep 25, 2025

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Description

Implements svm support for the x402 action provider

  • Adds new toSigner method to SvmWalletProvider, similar to EVM equivalent in feat: x402 bazaar #846
  • Implements getKeyPairSigner method to get KeyPairSigner from privateKey for CdpSolanaWalletProvider and SolanaKeypairWalletProvider
    -> requires new @solana/kit dependency
  • Updates x402 action to accept svm wallet providers

Tests

Chatbot: typescript/examples/langchain-solana-chatbot/chatbot.ts && typescript/examples/langchain-cdp-chatbot/chatbot.ts Network: Solana devnet
Setup: Fauceted with 1 USDC
Prompt: fetch https://biznews.x402.bot/news
-------------------
{"status":"error_402_payment_required","acceptablePaymentOptions":[{"scheme":"exact","network":"solana-devnet","maxAmountRequired":"50000","resource":"https://biznews.x402.bot/news","description":"Returns a list of recent new articles that affect business.","mimeType":"","payTo":"D5Do2wEoae1kNu8pXPyExXMf7nPmX949LDzZnc5Y5zgd","maxTimeoutSeconds":60,"asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","outputSchema":{"input":{"type":"http","method":"GET"}},"extra":{"feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}],"nextSteps":["Inform the user that the requested server replied with a 402 Payment Required response.","The payment options are: 0.05 USDC on solana-devnet network","Ask the user if they want to retry the request with payment.","Use retry_http_request_with_x402 to retry the request with payment."]}
-------------------
The request to fetch the news from the specified URL returned a 402 Payment Required response. The payment options available are: 0.05 USDC on the Solana Devnet network.
Would you like to proceed and retry the request with payment?
-------------------
Prompt: yes
> -------------------
{"status":"success","data":{"articles":[{"source":{"id":null,"name":"Investor's Business Daily"},"author":null,"title":"Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily","description":"Fed chief Jerome Powell said Tuesday that \"equity prices are fairly highly valued.\"","url":"https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/","urlToImage":"https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg","publishedAt":"2025-09-24T00:05:00Z","content":"Information in Investors Business Daily is for informational and educational purposes only and should not be construed as an offer, recommendation, solicitation, or rating to buy or sell securities. … [+1064 chars]"},{"source":{"id":null,"name":"BBC News"},"author":null,"title":"H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC","description":"The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.","url":"https://www.bbc.com/news/articles/cx27lj39e99o","urlToImage":"https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg","publishedAt":"2025-09-23T20:45:03Z","content":"Nadine YousifSenior Canada reporter\r\nAs President Donald Trump hikes the fee for a popular skilled worker visa programme in the US, lawyers and business experts are urging Canada to seize the moment … [+5097 chars]"},{"source":{"id":null,"name":"Lilly.com"},"author":null,"title":"Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company","description":"The Investor Relations website contains information about Eli Lilly and Company's business for stockholders, potential investors, and financial analysts.","url":"https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active","urlToImage":"https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98","publishedAt":"2025-09-23T17:02:21Z","content":"The new Houston\r\n site, Lilly's eighth U.S.\r\n manufacturing facility announced since 2020, will focus on domestic production of small molecule synthetic medicines \r\nCompany plans to create 4,615 man… [+8019 chars]"},{"source":{"id":null,"name":"CBS News"},"author":null,"title":"Cases of drug-resistant \"nightmare bacteria\" are rising in the U.S., CDC researchers say - CBS News","description":"Government scientists say infection rates from drug-resistant \"nightmare bacteria\" have been increasing dramatically.","url":"https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/","urlToImage":"https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg","publishedAt":"2025-09-23T18:27:04Z","content":"Infection rates from drug-resistant \"nightmare bacteria\" rose almost 70% between 2019 and 2023, according to a new report from Centers for Disease Control and Prevention scientists.\r\nBacteria that ar… [+3166 chars]"}]},"message":"Request completed successfully with payment","details":{"url":"https://biznews.x402.bot/news","method":"GET","paymentUsed":{"network":"solana-devnet","asset":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","amount":"50000"},"paymentProof":{"transaction":"tT5qo1gQWcPUZAqiYVehPZdCHykthZZEy21oWCY2mhgQqTU943tL8Mxu2E4mAuwoxnFXHf65r25xVMKqyAtfJbo","network":"solana-devnet","payer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"}}}
The request was successfully completed! Here are the recent articles from the news:
1. **[Dow Jones Futures Rise, Micron Earnings Strong After Stocks Fall On Powell Comments - Investor's Business Daily](https://www.investors.com/market-trend/stock-market-today/dow-jones-futures-market-slides-powell-stock-prices-micron-earnings/)**
- Published At: 2025-09-24
- Description: Fed chief Jerome Powell said Tuesday that "equity prices are fairly highly valued."
- ![Image](https://www.investors.com/wp-content/uploads/2022/06/Stock-jeromepowell2022-04-gov.jpg)
2. **[H-1B visa changes may give Canada an opportunity. Will it seize it? - BBC News](https://www.bbc.com/news/articles/cx27lj39e99o)**
- Published At: 2025-09-23
- Description: The US visa shake-up could push talent north — but experts caution that Canada’s immigration system has its own challenges.
- ![Image](https://ichef.bbci.co.uk/news/1024/branded_news/381f/live/ad907870-9899-11f0-9b4d-3db5bd560027.jpg)
3. **[Lilly plans to build a new $6.5 billion facility to manufacture active pharmaceutical ingredients in Texas - Eli Lilly and Company](https://investor.lilly.com/news-releases/news-release-details/lilly-plans-build-new-65-billion-facility-manufacture-active)**
- Published At: 2025-09-23
- Description: The new Houston site will focus on domestic production of small molecule synthetic medicines.
- ![Image](https://investor.lilly.com/static-files/414b590d-5fd8-4d74-bb91-284a3d77fb98)
4. **[Cases of drug-resistant "nightmare bacteria" are rising in the U.S., CDC researchers say - CBS News](https://www.cbsnews.com/news/nightmare-bacteria-drug-resistant-cases-increase-cdc-report/)**
- Published At: 2025-09-23
- Description: Infection rates from drug-resistant "nightmare bacteria" have been increasing dramatically, according to the CDC.
- ![Image](https://assets3.cbsnewsstatic.com/hub/i/r/2025/09/23/9b026f89-bc1b-46f2-bb5d-66bda19784a2/thumbnail/1200x630/b0fee2297c4e912fca114acab17f64e6/gettyimages-458608835.jpg)
If you need further assistance or more information, 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 Sep 25, 2025

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✅ Heimdall Review Status

RequirementStatusMore Info
Reviews1/1
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1 if user is bot0
1 if user is external0
2 if repo is sensitive0
From .codeflow.yml1
Additional review requirements
Show calculation
Max0
0
From CODEOWNERS0
Global minimum0
Max 1
1
1 if commit is unverified0
Sum1

@github-actionsgithub-actionsBot added action provider New action provider wallet provider New wallet provider example New example agent typescript documentation Improvements or additions to documentation labels Sep 25, 2025
@phdargen
phdargenforce-pushed the x402-svm branch 2 times, most recently from 021fc8b to 858072cCompareSeptember 25, 2025 05:01
@phdargenphdargen changed the title WIP: Add svm support to x402 actionfeat: Add svm support to x402 actionSep 25, 2025
@CarsonRoscoe
CarsonRoscoe merged commit 34d8217 into coinbase:mainOct 1, 2025
27 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

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

Development

Successfully merging this pull request may close these issues.

3 participants

@phdargen@cb-heimdall@CarsonRoscoe