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remove payload

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Oskar Thoren 2019-10-02 14:45:48 +08:00
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_posts/2019-10-01-remote-log.md
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@ -41,89 +41,6 @@ The spec is in an early draft stage and can be found [here](https://github.com/v
| NS | Name system. Associates mutable data to a name. | | NS | Name system. Associates mutable data to a name. |
| Remote log | Replication of a local log at a different location. | | Remote log | Replication of a local log at a different location. |
### Payloads
Payloads are implemented using [protocol buffers v3](https://developers.google.com/protocol-buffers/).
**CAS service**:
```protobuf
syntax = "proto3";
package vac.cas;
service CAS {
rpc Add(Content) returns (Address) {}
rpc Get(Address) returns (Content) {}
}
message Address {
bytes id = 1;
}
message Content {
bytes data = 1;
}
```
<!-- XXX/TODO: Can we get rid of the id/data complication and just use bytes? -->
**NS service**:
```protobuf
syntax = "proto3";
package vac.cas;
service NS {
rpc Update(NameUpdate) returns (Response) {}
rpc Fetch(Query) returns (Content) {}
}
message NameUpdate {
string name = 1;
bytes content = 2;
}
message Query {
string name = 1;
}
message Content {
bytes data = 1;
}
message Response {
bytes data = 1;
}
```
<!-- XXX: Response and data type a bit weird, Ok/Err enum? -->
<!-- TODO: Do we want NameInit here? -->
**Remote log:**
```protobuf
syntax = "proto3";
package vac.cas;
message RemoteLog {
repeated Pair pair = 1;
bytes tail = 2;
message Pair {
bytes remoteHash = 1;
bytes localHash = 2;
bytes data = 3;
}
}
```
<!-- TODO: Better name for Pair, Mapping? -->
<!-- TODO: Extend pair with (optional) data -->
## Synchronization ## Synchronization
### Roles ### Roles