frostfs-api/proto-docs/bootstrap.md

Protocol Documentation

Table of Contents

• bootstrap/service.proto

• Services

  • Bootstrap

• Messages

  • Request

• bootstrap/types.proto

  • Messages
    • NodeInfo
    • SpreadMap

• Scalar Value Types

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bootstrap/service.proto

Service "bootstrap.Bootstrap"

Bootstrap service allows neofs-node to connect to the network. Node should perform at least one bootstrap request in the epoch to stay in the network for the next epoch.

rpc Process(Request) returns (SpreadMap);

Method Process

Process is method that allows to register node in the network and receive actual netmap

Name	Input	Output
Process	Request	SpreadMap

Message Request

Field	Type	Label	Description
type	int32		Type is NodeType, can be InnerRingNode (type=1) or StorageNode (type=2)
info	NodeInfo		Info contains information about node
state	Request.State		State contains node status
Meta	service.RequestMetaHeader		RequestMetaHeader contains information about request meta headers (should be embedded into message)
Verify	service.RequestVerificationHeader		RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)

Request.State

Node state

Name	Number	Description
Unknown	0	used by default
Online	1	used to inform that node online
Offline	2	used to inform that node offline

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bootstrap/types.proto

Message NodeInfo

Field	Type	Label	Description
Address	string		Address is a node multi-address
PubKey	bytes		PubKey is a compressed public key representation in bytes
Options	string	repeated	Options is set of node optional information, such as storage capacity, node location, price and etc
Status	uint64		Status is bitmap status of the node

Message SpreadMap

Field	Type	Label	Description
Epoch	uint64		Epoch is current epoch for netmap
NetMap	NodeInfo	repeated	NetMap is a set of NodeInfos

Scalar Value Types

.proto Type	Notes	C++ Type	Java Type	Python Type
double		double	double	float
float		float	float	float
int32	Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint32 instead.	int32	int	int
int64	Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint64 instead.	int64	long	int/long
uint32	Uses variable-length encoding.	uint32	int	int/long
uint64	Uses variable-length encoding.	uint64	long	int/long
sint32	Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s.	int32	int	int
sint64	Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s.	int64	long	int/long
fixed32	Always four bytes. More efficient than uint32 if values are often greater than 2^28.	uint32	int	int
fixed64	Always eight bytes. More efficient than uint64 if values are often greater than 2^56.	uint64	long	int/long
sfixed32	Always four bytes.	int32	int	int
sfixed64	Always eight bytes.	int64	long	int/long
bool		bool	boolean	boolean
string	A string must always contain UTF-8 encoded or 7-bit ASCII text.	string	String	str/unicode
bytes	May contain any arbitrary sequence of bytes.	string	ByteString	str