51 lines
1.8 KiB
Go
51 lines
1.8 KiB
Go
package consensus
|
|
|
|
import (
|
|
"context"
|
|
|
|
consensus "github.com/libp2p/go-libp2p-consensus"
|
|
rpc "github.com/libp2p/go-libp2p-gorpc"
|
|
"github.com/libp2p/go-libp2p/core/peer"
|
|
)
|
|
|
|
// Component represents a piece of ipfscluster. Cluster components
|
|
// usually run their own goroutines (a http server for example). They
|
|
// communicate with the main Cluster component and other components
|
|
// (both local and remote), using an instance of rpc.Client.
|
|
type Component interface {
|
|
SetClient(*rpc.Client)
|
|
Shutdown(context.Context) error
|
|
}
|
|
|
|
type ConsensusAPI interface {
|
|
Component
|
|
// Returns a channel to signal that the consensus layer is ready
|
|
// allowing the main component to wait for it during start.
|
|
Ready(context.Context) <-chan struct{}
|
|
|
|
AddPeer(context.Context, peer.ID) error
|
|
RmPeer(context.Context, peer.ID) error
|
|
State(context.Context) (consensus.State, error)
|
|
// Provide a node which is responsible to perform
|
|
// specific tasks which must only run in 1 cluster peer.
|
|
Leader(context.Context) (peer.ID, error)
|
|
// Only returns when the consensus state has all log
|
|
// updates applied to it.
|
|
WaitForSync(context.Context) error
|
|
// Clean removes all consensus data.
|
|
Clean(context.Context) error
|
|
// Peers returns the peerset participating in the Consensus.
|
|
Peers(context.Context) ([]peer.ID, error)
|
|
// IsTrustedPeer returns true if the given peer is "trusted".
|
|
// This will grant access to more rpc endpoints and a
|
|
// non-trusted one. This should be fast as it will be
|
|
// called repeatedly for every remote RPC request.
|
|
IsTrustedPeer(context.Context, peer.ID) bool
|
|
// Trust marks a peer as "trusted".
|
|
Trust(context.Context, peer.ID) error
|
|
// Distrust removes a peer from the "trusted" set.
|
|
Distrust(context.Context, peer.ID) error
|
|
// Returns true if current node is the cluster leader
|
|
IsLeader(ctx context.Context) bool
|
|
}
|