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Niklas Adolfsson's avatar
rpc server: listen to `ipv6 socket` if available and...
Niklas Adolfsson authored 
rpc server: listen to `ipv6 socket` if available and `--experimental-rpc-endpoint` CLI option (#4792)

Close https://github.com/paritytech/polkadot-sdk/issues/3488,
https://github.com/paritytech/polkadot-sdk/issues/4331

This changes/adds the following:

1. The default setting is that substrate starts a rpc server that
listens to localhost both Ipv4 and Ipv6 on the same port. Ipv6 is
allowed to fail because some platforms may not support it
2. A new RPC CLI option `--experimental-rpc-endpoint` which allow to
configure arbitrary listen addresses including the port, if this is
enabled no other interfaces are enabled.
3. If the local addr is not found for any of the sockets the server is
not started throws an error.
4. Remove the deny_unsafe from the RPC implementations instead this is
an extension to allow different polices for different interfaces/sockets
such one may enable unsafe on local interface and safe on only the
external interface.

So for instance in this PR it's now possible to start up three RPC...
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.gitignore
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.rustfmt.toml
CODE_OF_CONDUCT.md
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README.md

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Polkadot SDK

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The Polkadot SDK repository provides all the components needed to start building on the Polkadot network, a multi-chain blockchain platform that enables different blockchains to interoperate and share information in a secure and scalable way.

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