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33 lines
1.0 KiB
33 lines
1.0 KiB
6 years ago
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package node
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import (
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/harmony-one/harmony/rpc"
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)
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// Service is an individual protocol that can be registered into a node.
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//
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// Notes:
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//
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// • Service life-cycle management is delegated to the node. The service is allowed to
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// initialize itself upon creation, but no goroutines should be spun up outside of the
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// Start method.
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//
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// • Restart logic is not required as the node will create a fresh instance
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// every time a service is started.
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type Service interface {
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// Protocols retrieves the P2P protocols the service wishes to start.
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Protocols() []p2p.Protocol
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// APIs retrieves the list of RPC descriptors the service provides
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APIs() []rpc.API
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// Start is called after all services have been constructed and the networking
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// layer was also initialized to spawn any goroutines required by the service.
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Start(server *p2p.Server) error
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// Stop terminates all goroutines belonging to the service, blocking until they
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// are all terminated.
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Stop() error
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}
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