feat: Add Multichain API to @metamask/multichain
#4813
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## Explanation This PR fixes a lot of the linting and typescript errors. still some left but this covers a lot of it. <!-- Thanks for your contribution! Take a moment to answer these questions so that reviewers have the information they need to properly understand your changes: * What is the current state of things and why does it need to change? * What is the solution your changes offer and how does it work? * Are there any changes whose purpose might not obvious to those unfamiliar with the domain? * If your primary goal was to update one package but you found you had to update another one along the way, why did you do so? * If you had to upgrade a dependency, why did you do so? --> ## References <!-- Are there any issues that this pull request is tied to? Are there other links that reviewers should consult to understand these changes better? Are there client or consumer pull requests to adopt any breaking changes? For example: * Fixes #12345 * Related to #67890 --> ## Changelog <!-- If you're making any consumer-facing changes, list those changes here as if you were updating a changelog, using the template below as a guide. (CATEGORY is one of BREAKING, ADDED, CHANGED, DEPRECATED, REMOVED, or FIXED. For security-related issues, follow the Security Advisory process.) Please take care to name the exact pieces of the API you've added or changed (e.g. types, interfaces, functions, or methods). If there are any breaking changes, make sure to offer a solution for consumers to follow once they upgrade to the changes. Finally, if you're only making changes to development scripts or tests, you may replace the template below with "None". --> ### `@metamask/package-a` - **<CATEGORY>**: Your change here - **<CATEGORY>**: Your change here ### `@metamask/package-b` - **<CATEGORY>**: Your change here - **<CATEGORY>**: Your change here ## Checklist - [ ] I've updated the test suite for new or updated code as appropriate - [ ] I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate - [ ] I've highlighted breaking changes using the "BREAKING" category above as appropriate - [ ] I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes --------- Co-authored-by: Jiexi Luan <[email protected]>
## Explanation <!-- Thanks for your contribution! Take a moment to answer these questions so that reviewers have the information they need to properly understand your changes: * What is the current state of things and why does it need to change? * What is the solution your changes offer and how does it work? * Are there any changes whose purpose might not obvious to those unfamiliar with the domain? * If your primary goal was to update one package but you found you had to update another one along the way, why did you do so? * If you had to upgrade a dependency, why did you do so? --> Added ESM exports for multichain package ## References <!-- Are there any issues that this pull request is tied to? Are there other links that reviewers should consult to understand these changes better? Are there client or consumer pull requests to adopt any breaking changes? For example: * Fixes #12345 * Related to #67890 --> ## Changelog <!-- If you're making any consumer-facing changes, list those changes here as if you were updating a changelog, using the template below as a guide. (CATEGORY is one of BREAKING, ADDED, CHANGED, DEPRECATED, REMOVED, or FIXED. For security-related issues, follow the Security Advisory process.) Please take care to name the exact pieces of the API you've added or changed (e.g. types, interfaces, functions, or methods). If there are any breaking changes, make sure to offer a solution for consumers to follow once they upgrade to the changes. Finally, if you're only making changes to development scripts or tests, you may replace the template below with "None". --> ### `@metamask/package-a` - **<CATEGORY>**: Your change here - **<CATEGORY>**: Your change here ### `@metamask/package-b` - **<CATEGORY>**: Your change here - **<CATEGORY>**: Your change here ## Checklist - [ ] I've updated the test suite for new or updated code as appropriate - [ ] I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate - [ ] I've highlighted breaking changes using the "BREAKING" category above as appropriate - [ ] I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes
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This reverts commit 7d61af6.
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adonesky1
reviewed
Nov 22, 2024
packages/multichain/src/middlewares/multichainMethodCallValidator.ts
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Not sure if I'm missing something about why we were refetching the middleware after passing in the whole entry...?
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jiexi
commented
Nov 26, 2024
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may want to augment/override subscriptionManager.middleware.destroy to call unsubscribeByOriginAndTabId here
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See pipeline cleanup fn in setupProviderConnectionCaip
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Explanation
This PR updates
@metamask/multichainto add method handlers and middleware specific to the new Multichain API and which can be shared across the extension & mobile clients. The package includes implementations for managing multichain sessions, handling multichain RPC methods, and integrating multichain functionalities into the MetaMask extension. Key features of this package include:wallet_createSession,wallet_invokeMethod,wallet_revokeSession, andwallet_getSession.These tools and utilities will be used in both clients (mobile + extension)'s multichain API implementations.
File Overview
packages/multichain/src/adapters/caip-permission-adapter-middleware.ts: Middleware for the EIP-1193 API that enforces a CAIP-25 permission for each request if that CAIP-25 permission was granted viawallet_createSessionpackages/multichain/src/handlers/wallet-getSession.ts: Handlers for CAIP Multichain lifecycle methods except forwallet_createSessionwhich seemed a little too platform specific to belong in a shared package currentlypackages/multichain/src/middlewares/: Middleware for the Multichain API that helps facilitate concurrent eth subscriptions and for using@metamask/api-specsfor method param validation for new CAIP Multichain methodspackages/multichain/src/scope/authorization.ts: Adds helpers that sort scopes based on if they are currently supported by the wallet (i.e. a network already exists the eip155 scope), if they could be supported by the wallet (i.e. the network does not already exist for the eip155 scope, but the dapp has provided EIP-3085 details for adding the network in thescopedPropertiesproperty of thewallet_createSessionrequest), or if they cannot be served.packages/multichain/src/scope/filter.ts: provides helpers used for the bucketing above inauthorization.tstypes/@metamask/eth-json-rpc-filters.d.ts: Typedef for missing types in@metamask/eth-json-rpc-filters/subscriptionManagerReferences
Upstream: #4784
Downstream: None. This is the end.
Key Multichain API Standards implemented here:
wallet_creatSessionwallet_invokeMethodwallet_revokeSessionwallet_sessionChangedwallet_getSessionOpen PR that uses this new package for exposing the multichain API in the extension: MetaMask/metamask-extension#27782
Changelog
@metamask/multichainChecklist