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Motivation and Goals # Light nodes with short connection windows and limited bandwidth wish to publish messages into the Waku network. Additionally, there is sometimes a need for confirmation that a message has been received “ by the network” (here, at least one node).
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19/WAKU2-LIGHTPUSH is a request/response protocol for this.
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Payloads # syntax = " proto3" ; message PushRequest { string pubsub_topic = 1; WakuMessage message = 2; } message PushResponse { bool is_success = 1; // Error messages, etc string info = 2; } message PushRPC { string request_id = 1; PushRequest request = 2; PushResponse response = 3; } Message Relaying # Nodes that respond to PushRequests MUST either relay the encapsulated message via 11/WAKU2-RELAY protocol on the specified pubsub_topic, or forward the PushRequest via 19/LIGHTPUSH on a 44/WAKU2-DANDELION stem.">
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< meta property = "og:description" content = "Protocol identifier: / vac / waku / lightpush / 2 . 0 . 0-beta1
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Motivation and Goals # Light nodes with short connection windows and limited bandwidth wish to publish messages into the Waku network. Additionally, there is sometimes a need for confirmation that a message has been received “ by the network” (here, at least one node).
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19/WAKU2-LIGHTPUSH is a request/response protocol for this.
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Payloads # syntax = " proto3" ; message PushRequest { string pubsub_topic = 1; WakuMessage message = 2; } message PushResponse { bool is_success = 1; // Error messages, etc string info = 2; } message PushRPC { string request_id = 1; PushRequest request = 2; PushResponse response = 3; } Message Relaying # Nodes that respond to PushRequests MUST either relay the encapsulated message via 11/WAKU2-RELAY protocol on the specified pubsub_topic, or forward the PushRequest via 19/LIGHTPUSH on a 44/WAKU2-DANDELION stem." />
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< li > < a href = "/spec/46/" > 46/GOSSIPSUB-TOR-PUSH< / a > < / li >
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< li > < a href = "/spec/14/" > 14/WAKU2-MESSAGE< / a > < / li >
< li > < a href = "/spec/15/" > 15/WAKU2-BRIDGE< / a > < / li >
< li > < a href = "/spec/16/" > 16/WAKU2-RPC< / a > < / li >
< li > < a href = "/spec/17/" > 17/WAKU2-RLN-RELAY< / a > < / li >
< li > < a href = "/spec/18/" > 18/WAKU2-SWAP< / a > < / li >
< li > < a href = "/spec/19/" class = active > 19/WAKU2-LIGHTPUSH< / a > < / li >
< li > < a href = "/spec/21/" > 21/WAKU2-FTSTORE< / a > < / li >
< li > < a href = "/spec/22/" > 22/TOY-CHAT< / a > < / li >
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< li > < a href = "/spec/30/" > 30/ADAPTIVE-NODES< / a > < / li >
< li > < a href = "/spec/33/" > 33/WAKU2-DISCV5< / a > < / li >
< li > < a href = "/spec/36/" > 36/WAKU2-BINDINGS-API< / a > < / li >
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< li > < a href = "/spec/9/" > 9/WAKU-RPC< / a > < / li >
< li > < a href = "/spec/11/" > 11/WAKU2-RELAY< / a > < / li >
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< strong > 19/WAKU2-LIGHTPUSH< / strong >
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< li > < a href = "#message-relaying" > Message Relaying< / a > < / li >
< li > < a href = "#security-considerations" > Security Considerations< / a > < / li >
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< h1 id = "19waku2-lightpush" >
19/WAKU2-LIGHTPUSH
< a class = "anchor" href = "#19waku2-lightpush" > #< / a >
< / h1 >
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< h1 id = "waku-v2-light-push" >
Waku v2 Light Push
< a class = "anchor" href = "#waku-v2-light-push" > #< / a >
< / h1 >
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< li > Status: draft< / li >
< li > Editor: Oskar Thorén < a href = "mailto:oskar@status.im" > oskar@status.im< / a > < / li >
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< li > Contributors:
Daniel Kaiser < a href = "mailto:danielkaiser@status.im" > danielkaiser@status.im< / a >
< / li >
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< / ul > < p > < strong > Protocol identifier< / strong > : < code > /vac/waku/lightpush/2.0.0-beta1< / code > < / p >
< h1 id = "motivation-and-goals" >
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Motivation and Goals
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< a class = "anchor" href = "#motivation-and-goals" > #< / a >
< / h1 >
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< p > Light nodes with short connection windows and limited bandwidth wish to publish messages into the Waku network.
Additionally, there is sometimes a need for confirmation that a message has been received “ by the network”
(here, at least one node).< / p >
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< p > < code > 19/WAKU2-LIGHTPUSH< / code > is a request/response protocol for this.< / p >
< h1 id = "payloads" >
Payloads
< a class = "anchor" href = "#payloads" > #< / a >
< / h1 >
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< div class = "highlight" > < pre tabindex = "0" style = "color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;" > < code class = "language-protobuf" data-lang = "protobuf" > < span style = "display:flex;" > < span > syntax < span style = "color:#f92672" > =< / span > < span style = "color:#e6db74" > " proto3" < / span > ;< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > < span style = "color:#66d9ef" > message< / span > < span style = "color:#a6e22e" > PushRequest< / span > {< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > < span style = "color:#66d9ef" > string< / span > pubsub_topic < span style = "color:#f92672" > =< / span > < span style = "color:#ae81ff" > 1< / span > ;< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > WakuMessage < span style = "color:#66d9ef" > message< / span > < span style = "color:#f92672" > =< / span > < span style = "color:#ae81ff" > 2< / span > ;< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > }< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > < span style = "color:#66d9ef" > message< / span > < span style = "color:#a6e22e" > PushResponse< / span > {< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > < span style = "color:#66d9ef" > bool< / span > is_success < span style = "color:#f92672" > =< / span > < span style = "color:#ae81ff" > 1< / span > ;< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > < span style = "color:#75715e" > // Error messages, etc
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#75715e" > < / span > < span style = "color:#66d9ef" > string< / span > info < span style = "color:#f92672" > =< / span > < span style = "color:#ae81ff" > 2< / span > ;< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > }< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > < span style = "color:#66d9ef" > message< / span > < span style = "color:#a6e22e" > PushRPC< / span > {< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > < span style = "color:#66d9ef" > string< / span > request_id < span style = "color:#f92672" > =< / span > < span style = "color:#ae81ff" > 1< / span > ;< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > PushRequest request < span style = "color:#f92672" > =< / span > < span style = "color:#ae81ff" > 2< / span > ;< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > PushResponse response < span style = "color:#f92672" > =< / span > < span style = "color:#ae81ff" > 3< / span > ;< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < span style = "display:flex;" > < span > < span style = "color:#960050;background-color:#1e0010" > < / span > }< span style = "color:#960050;background-color:#1e0010" >
< / span > < / span > < / span > < / code > < / pre > < / div > < h2 id = "message-relaying" >
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Message Relaying
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< a class = "anchor" href = "#message-relaying" > #< / a >
< / h2 >
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< p > Nodes that respond to < code > PushRequests< / code > MUST either
relay the encapsulated message via < a href = "/spec/11" > 11/WAKU2-RELAY< / a > protocol on the specified < code > pubsub_topic< / code > ,
or forward the < code > PushRequest< / code > via 19/LIGHTPUSH on a < a href = "https://rfc.vac.dev/spec/44/" > 44/WAKU2-DANDELION< / a > stem.
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If they are unable to do so for some reason, they SHOULD return an error code in < code > PushResponse< / code > .< / p >
< h2 id = "security-considerations" >
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Security Considerations
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< a class = "anchor" href = "#security-considerations" > #< / a >
< / h2 >
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< p > Since this can introduce an amplification factor, it is RECOMMENDED for the node relaying to the rest of the network to take extra precautions.
This can be done by rate limiting via < a href = "https://rfc.vac.dev/spec/17/" > 17/WAKU2-RLN-RELAY< / a > .< / p >
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< p > Note that the above is currently not fully implemented.< / p >
< h1 id = "copyright" >
Copyright
< a class = "anchor" href = "#copyright" > #< / a >
< / h1 >
< p > Copyright and related rights waived via < a href = "https://creativecommons.org/publicdomain/zero/1.0/" > CC0< / a > .< / p >
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References
< a class = "anchor" href = "#references" > #< / a >
< / h1 >
< ul >
< li > < a href = "/spec/11" > 11/WAKU2-RELAY< / a > < / li >
< li > < a href = "https://rfc.vac.dev/spec/44/" > 44/WAKU2-DANDELION< / a > < / li >
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< li > < a href = "#message-relaying" > Message Relaying< / a > < / li >
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