Some wallets only supports interacting with one chain at a time. There's then a question of what we do with the other URL fields, and iconUrl if we add it. Any given chain may or may not be supported by the users wallet application. EIP-3085: Wallet Add Ethereum Chain RPC Method (`wallet_addEthereumChain`) Is there any philosophical theory behind the concept of object in computer science? To me, this is enough to extract out that EIP, which leaves wallet_addEthereumChain and wallet_updateEthereumChain. Not allowing it will also simplify the EIP which is an extra benefit. Error standards are specified elsewhere, most prominently EIP-1474 and 1193/2696. While in some case it might be a good rule, I see it as a heuristic not as a hard rule. The method accepts a single object parameter, with a chainId and some chain metadata. By clicking Sign up for GitHub, you agree to our terms of service and By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Why do I get different sorting for the same query on the same data in two identical MariaDB instances? Why is it "Gaudeamus igitur, *iuvenes dum* sumus!" Coinbase Wallet clients handle wallet_addEthereumChain requests for non-whitelisted networks (for example, a network such as Harmony One which is not currently supported by clients by default). If we assume that both have a hard dependency on wallet_hasEthereumChain, is there a reasonable scenario under which a wallet might implement one but not the other? All dapps require the user to interact with one or more Ethereum chains in order to function. What do you think? Copyright and related rights waived via CC0. If so, then separate EIPs make sense. Now we could argue that we could have wallet_updateEthereumChain without wallet_addEthereumChain but that does not sound very useful. That worked! In the above example, notice that the iconUrls array contains URLs pointing to two different image formats. there is an issue in that the current EIP allows an app to request adding a broken endpoint, that user might require manual operation to remove this could cause the app to break down because of a previous app. and a new method like wallet_set_chain_rpc_url would replace the rpc url but fails if the chain was never added, Both options would make the EIP more explicit and avoid potential differences between wallets, making the life of applications much easier, This is in my opinion an important point and as currently defined, the EIP ambiguity will likely cause trouble to app developers. My experience of helping maintain a similar list for ERC20 tokens at MetaMask is one of the reasons why I decided to write this EIP. wallet_switchEthereumChain enables dapps to request that the wallet switches its active chain to whichever one is required by the dapp. This way, the method call is only regarded as a success if the call itself caused the chain to be added to the wallet. reactjs - Adding a custom network to MetaMask with http address isn't What's the purpose of a convex saw blade? The purpose wallet_switchEthereumChain is to provide dapps with a way of requesting to switch the wallets active chain, which they would otherwise have to ask the user to do manually. Regarding sandboxing a chainId / RPC URL combo to a specific origin, the EIP is explicitly agnostic about what it means to "add" a chain to a wallet in order to avoid making assumptions about wallet implementation details, which are likely to change in fundamental ways over the course of time. Teams. RPC Methods - imToken For Developers privacy statement. Extending IC sheaves across smooth normal crossing divisors. 3326, March 2021. Regarding error (point 3) it is I think beneficial to define the potential type of error in the EIP as it helps define the protocol more acurately. The method returns null if the wallet switched its active chain, and an error otherwise. To learn more, see our tips on writing great answers. This helped: https://ethereum.stackexchange.com/questions/111605/how-can-i-connect-my-dapp-to-metamask-if-coinbase-wallet-injects-another-ethere. I feel having both RPC methods in one EIP will be more logical but that is my personal preference. As such the EIP should define the set of error code allowed for rejection. Get the user's Ethereum account (s) You can refer to eth-requestaccounts or address-conflicts-when-switching-network code . Another widely used method is wallet_addEthereumChain. I would love to finally have applications be able to use different chains without requiring user to manually enter information, but this should not come at the cost of decreased security. What one-octave set of notes is most comfortable for an SATB choir to sing in unison/octaves? An example would be a wallet that allows dapps to call wallet_addEthereumChain to add chains the wallet doesn't already have, and then those chains would be scoped to the dapp and have a session lifetime. TL;DR: I think separate EIPs are a good idea here because there are imaginable situations where a wallet will implement a subset of all of the endpoints. Available: https://eips.ethereum.org/EIPS/eip-3085. Since the chain ID used for transaction signing determines which chain the transaction is valid for, handling the chain ID correctly is of utmost importance. Making statements based on opinion; back them up with references or personal experience. This would enable a more natural flow for the user. Is that something considered too ? The wallet should maintain a list of known chains, and verify requests to add chains against that list. after the user selected, it returns the selected wallet address. What maths knowledge is required for a lab-based (molecular and cell biology) PhD? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Note that now the rpcUrl is mandatory as adding a chainId without any info would be pointless. I'm open to recommending (i.e., using SHOULD) that the wallet switches to a network when it is added. Asking for help, clarification, or responding to other answers. For any dapp developers reading this, MetaMask won't do anything with this property in our first iteration of this feature, and once we do use it, we will pick the first SVG that we find and ignore anything else. EIP-2015 could do that while switching the user to that new chain in the same action. An RPC method for adding Ethereum chains to wallet applications. This is especially helpful for mobile users automatically adding (or switching) networks to their wallet app if possible. For dapps supporting multiple networks, Coinbase Wallet SDK only needs 1 rpcUrl -- the rpcUrl of the chain the dapp wishes to default users to. Adding a new chain via the proposed interface is a big improvement, as it avoids us to integrate it natively and allows a higher convenience for the user. No provider selected for request eth_chainId when coinbase wallet Can I infer that Schrdinger's cat is dead without opening the box, if I wait a thousand years? However, wallet_addEthereumChain, mentioned in EIP-3085 does not work for mainnet, or any of the 4 testnets (returns May not specify default MetaMask chain. It's something in the way MetaMask is implementing the RPC call. Apps do not want to show a popup straight in the face of their user. If a field does not meet the requirements of this specification and the wallet does not ignore the field, the wallet MUST reject the request. The issue could be alleviated if the addition of a chain was sandboxed to the origin requesting it. Most wallets ship with a set of chains and corresponding trusted RPC endpoints. Core wallet: "No block source available" - How to fix this? - Coin Guides I think this is a great idea. It will also use the default credential lookup strategy used by the AWS Go SDK to find ~/.aws/credentials, for example. wallet_requestPermissions. However, I generally agree that they should be separate EIPs for the reasons @rekmarks mentioned. More than anything, I feel like the spec can remain agnostic on the matter, and people will do what makes the most sense, which is probably switching the network. [Online serial]. This is not true. Making statements based on opinion; back them up with references or personal experience. (emphasis mine): Therefore, beginning today, for any role that has not used the identity-based behavior since June 30, 2022, a role trust policy must explicitly grant permission to all principals, including the role . Error -32602, missing value for required argument 0, Polygon Mumbai - transaction pending infinetly when interacting with contract. wallet_addEthereumChain is a powerful method that exposes the end user to serious risks if implemented incorrectly. The EIP should make wallet_updateEthereumChain a dependency of wallet_addEthereumChain. null is returned if the chain was added, and an error otherwise. null is returned if the active chain was switched, and an error otherwise. Only use the submitted chain ID to sign transactions. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The best answers are voted up and rise to the top, Not the answer you're looking for? If we just define this rejection to be a JSON-RPC error for method not found then we end up with 3 separate EIPs. amazon web services - Packer credentials issue error Try to convert to hex the chainId with web3.utils.toHex() function: Thanks for contributing an answer to Ethereum Stack Exchange! Is there a legal reason that organizations often refuse to comment on an issue citing "ongoing litigation"? While adding this to the specification, I also changed the specification such that the method must return this error if a wallet receives a request to add a chain that was already added. Is it possible to type a single quote/paren/etc. @tze42, I like your suggestion of supporting WebSockets, and multiple RPC URLs. The text was updated successfully, but these errors were encountered: Great to see some EIP materializing to help apps make it easy for user to use other chains that what wallet provider offer by default. Letting the app decide the currency and name, etc is not a good idea. Coinbase Wallet SDK and Coinbase Wallet clients support both EIP-3326 wallet_switchEthereumChain and EIP-3085 wallet_addEthereumChain requests for switching networks. I think it is important to consider the UX consequences when writing EIP like this one and saying we can have improvements later, while we could already foresee the issues, is to me a bad idea. So unless there is strong reason to not bake-in this improvement, it should in my opinion, be part of the proposal. The security issue I mention are about the metadata. How is the entropy created for generating the mnemonic on the Jade hardware wallet? Already on GitHub? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. The method MUST return null if the request was successful, and an error otherwise. 3085, November 2020. Q&A for work. This seems to be a good solution. @rekmarks, I'm not a dev, but the suggestion of rpcUrls: string[] looks good to me. We don't know, and we can't control it! Example: C:\Users\YourUserName\Desktop>wallet-qt.exe -reindex. In my comment above, I mention security but I also mention the following issues: potential issues with added network url whose backend are not maintained. and not only chainId then one would only need to pass the RPC url here. I just realised from this comment that you might not fully grasp the issue about the lack of "wallet_hasEthereumChain" and its consequences for the applications and their users. walletlink - npm Package Health Analysis | Snyk But as for standard goes we should not make it easy. 13 I am developing my first Dapp, I am using metamask and web3 for this. We could also define the different errors: Regarding CHAIN_ALREADY_EXISTS, as mentioned this only make sense for option b) mentioned above, for option a) there would be no such error for wallet_addEthereumChain. And I would have preferred such EIP to take precedence. There's certainly more that this ecosystem (and MetaMask) can do to facilitate this due diligence, but I believe that that's out of scope for this discussion as well. See the next section for how to handle multiple RPC endpoints. MetaMask JSON-RPC API Reference All other data should be handled by the wallet itself. Learn more about Teams As per recommendation (thank you @MicahZoltu) Ive copied my request from the PR: Any chance you could add an OpenRPC definition of the method? It's just a question of where the specification will live. That is a very good point and we would definitely prefer to get a SVG over PNG or JPG, if it is available. This document shows how to integrate Avalanche Network with your Dapp, either by Core or MetaMask. Ascertaining the trustworthiness of actors in a decentralized system belongs to a related but ultimately distinct problem space from accessing such a system. This would already be better than letting malicious app doing it for you. If you agree with the issue of "failing endpoints" and the idea of associating rpc url to origins to solve it, why not make it part of the EIP ? Rather, EIP-3085 is agnostic on the matter Now it is true we cannot avoid implementation to reject a call for whatever reason, so the issue mentioned is not entirely avoidable, but at least the wallet would have an error for the application to display. My inclination is still to put wallet_hasEthereumChain into its own EIP, and have each separate EIP reference the other (e.g. Plus users can always reject such request. That said, community resources exist that can be leveraged to verify requests for many Ethereum chains. Making statements based on opinion; back them up with references or personal experience. Switching or Adding EVM Chains | Coinbase Cloud b) separate the addition of a chain from the updating of its rpc url. Yeah, I agree that we should do iconUrls: string[] instead. Edit: More than anything, I feel like the spec can remain agnostic on the matter, and people will do what makes the most sense, which is probably switching the network. For dapps supporting multiple networks, Coinbase Wallet SDK only needs 1 rpcUrl -- the rpcUrl of the chain the dapp wishes to default users to. It's recommended to use MetaMask's detect-provider utility package to detect the provider injected at window.ethereum. Requests additional permissions. For dapps supporting multiple networks, Coinbase Wallet SDK only needs 1 rpcUrl -- the rpcUrl of the chain the dapp wishes to default users to. Connect and share knowledge within a single location that is structured and easy to search. How to redirect from browser to Metamask or similar app like trustwallet on android? The method presupposes that the wallet has a concept of a single active chain. The method property should be set to wallet_addEthereumChain, and the params property should be an array containing an object with the following properties: chainId: The chain ID of the custom network which is a 0x-prefixed hexadecimal string. And if they can check that the network is already added, they can skip that step, providing a smoother experience. That is why I personally prefers all of these method to be part of the same EIP. For any non-trivial Ethereum web application a.k.a. Did an AI-enabled drone attack the human operator in a simulation environment? https://ethereum-magicians.org/t/eip-3326-wallet-switchethereumchain. I have been asking for this feature for a while myself as an app developer. Note that this method makes no statement about whether the wallet should change the users currently selected chain, if the wallet has a concept thereof. The disagreements are not insubstantial, and I've been putting off my response, but here goes. Connect and share knowledge within a single location that is structured and easy to search. Such a method would enable UX improvements, but is by no means required in order to grant dapps the ability to ask the user to add a network to their wallet. What maths knowledge is required for a lab-based (molecular and cell biology) PhD? (if a wallet reject the addition of chain already added by another app). 576), AI/ML Tool examples part 3 - Title-Drafting Assistant, We are graduating the updated button styling for vote arrows. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. All dapps require the user to interact with one or more Ethereum chains in order to function. Important cautions for implementers of this method are included in the Security Considerations section. The analogy to web browser is I think not accurate. Switch Metamask Network to chain 1 (Ethereum Mainnet) Meanwhile, I created this, where I'm about to ping you on an issue with some questions: https://github.com/rekmarks/ts-to-open-rpc. Hi @rekmarks, @pedrouid I stumbled over this EIP and would like to suggest some additions to this RPC method proposal. However, I believe we can falsify this statement with wallet_hasEthereumChain. When switching the active chain, cancel all pending RPC requests and chain-specific user confirmations. I argue that no wallet has or will have the resources to adequately maintain an allow-list unless it is trivially short. rather than "Gaudeamus igitur, *dum iuvenes* sumus!"? Regarding all parameters except chainId are listed as optional, even though a wallet may require them in practice. through a malicious RPC endpoint), but that must be up to the App dev, if they are willing to expose their users to it and how they intend to mitigate it. That being said @rekmarks's library looks great, I like the suggestion for making all url fields to have string arrays. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. wallet_addEthereumChain is not working in metamask android app Ask Question Asked 1 year, 5 months ago Modified 4 months ago Viewed 2k times 2 I am using wallet_addEthereumChain RPC function to add the custom network in metamask android app through our Dapp but it is showing an error wrong chainid. Just like the meaning of adding a chain, switching between chains is a wallet implementation detail, and therefore out of scope. We can even simplify keys to rpc and icons instead of mentioning Urls for both. what about chain 1 (that is expected to be supported by most wallet)? This trigger the wallet popup, All good. This page explains how to configure your dapp so that it connects to supported networks, which include all EVM-compatible L1/L2 networks. to your account. Such method will be a necessary rpc method for apps to offer a proper user experience. For security reasons, a wallet should always attempt to validate the chain metadata provided by the requester, and may choose to fetch the metadata elsewhere entirely. Erik Marks(@rekmarks), Pedro Gomes(@pedrouid), "EIP-3085: Wallet Add Ethereum Chain RPC Method (`wallet_addEthereumChain`) [DRAFT]," Ethereum Improvement Proposals, no. This would make each independent EIP incomplete though, which is even more worrying. To learn more, see our tips on writing great answers. Also we could use that interface to get updated information, avoiding manual code intervention.". The network ID (per the net_version RPC method) is omitted since it is effectively superseded by the chain ID. Why are mountain bike tires rated for so much lower pressure than road bikes? . Asking for help, clarification, or responding to other answers. Motivation This specification does not mandate that the wallet switches its active or currently selected chain after a successful request, if the wallet has a concept thereof. In the interest of preserving user privacy, implementers of wallet_addEthereumChain should consider displaying user confirmations even in these cases. Why do some images depict the same constellations differently? In Germany, does an academic position after PhD have an age limit?
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