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Configure gRPC

The rippled server has a limited gRPC API which P2P mode servers can provide. Reporting mode servers use this API to retrieve data about the latest validated ledgers and transactions. You can enable the gRPC API on your server with a new configuration stanza. New in: rippled 1.5.0

Caution: gRPC support is intended specifically for providing data to reporting mode servers from P2P mode servers. Breaking changes to the gRPC API may occur without warning or it may be removed entirely in future versions of the server.

Prerequisites

To enable gRPC, you must meet the following prerequisites:

  • You must have installed rippled.

  • Your server must be able to bind to the port you choose. The recommended port for gRPC is 50051.

Steps

To enable gRPC on your server, complete the following steps:

  1. In your rippled's config file, add a [port_grpc] configuration stanza.

    [port_grpc]
    port = 50051
    ip = 0.0.0.0
    

    The configurable fields are as follows:

    • port field defines the port the server listens on for gRPC connections from client applications. The recommended port is 50051.
    • ip defines which interfaces the server listens on. The value 0.0.0.0 listens on all available network interfaces. To limit connections to the local loopback network (same machine), use 127.0.0.1 instead.

    The recommended installation uses the config file /etc/opt/ripple/rippled.cfg by default. Other places you can put a config file include $HOME/.config/ripple/rippled.cfg (where $HOME is the home directory of the user running rippled), $HOME/.local/ripple/rippled.cfg, or the current working directory from where you start rippled.

  2. Start (or restart) the rippled service.

    sudo systemctl restart rippled
    

See Also