Create or reuse a wallet connection standard and integrate it into Gnoweb

[moul]

The goal is to ensure that Gnoweb does not depend on any external resources or specific wallets (e.g., Adena). Instead, it should allow any wallet that understands this standard to intercept or inject themselves, making Gnoweb wallet-compatible if a wallet integration is available. If no wallet integration is present, Gnoweb should continue displaying copy-paste-friendly commands, and the page should load without issues.

Important Note: Gnoweb is not just the frontend for our testnets, but the official frontend, including for local development. Therefore, it is crucial that it works without external dependencies, specific network configurations, or an internet connection.

Objectives:

• Discuss and define the wallet connection standard.
• Plan the integration of this standard into Gnoweb.
• Ensure that Adena Wallet, Gnobro, and potentially other tools can implement this standard.

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cc:

• @gnolang/onbloc, @linhpn99, @gfanton for current wallets/clients
• @kristovatlas for security
• @alexiscolin, @gfanton for gnoweb++

[AnhVAR]

I think to keep gnoweb not depend external lib we can add URL Scheme for Gnokey. It mean we can direct call Gnokey to get wallet address, sign, broadcast messgae by URL. @moul

[AnhVAR]

Url scheme will be standard for other wallet too. Right now chrome extention not support active by url scheme but any standanlone application on desktop or mobile can do it. User can select default wallet they want when we make standard for url scheme for gno wallet

[AnhVAR]

@moul i just make a draft standard for wallet. Take your time to see it. Thanks https://hackmd.io/@KFPb-646Qr-0raWlHDnSvQ/r11JNiPaC/edit.