subnets

package
v1.11.1-rc.2 Latest Latest
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Published: Apr 17, 2024 License: BSD-3-Clause Imports: 8 Imported by: 6

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Functions

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Types

type Allower

type Allower interface {
	// IsAllowed filters out nodes that are not allowed to connect to this subnet
	IsAllowed(nodeID ids.NodeID, isValidator bool) bool
}
var NoOpAllower Allower = noOpAllower{}

NoOpAllower is an Allower that always returns true

type Config

type Config struct {
	GossipConfig

	// ValidatorOnly indicates that this Subnet's Chains are available to only subnet validators.
	// No chain related messages will go out to non-validators.
	// Validators will drop messages received from non-validators.
	// Also see [AllowedNodes] to allow non-validators to connect to this Subnet.
	ValidatorOnly bool `json:"validatorOnly" yaml:"validatorOnly"`
	// AllowedNodes is the set of node IDs that are explicitly allowed to connect to this Subnet when
	// ValidatorOnly is enabled.
	AllowedNodes        set.Set[ids.NodeID] `json:"allowedNodes"        yaml:"allowedNodes"`
	ConsensusParameters snowball.Parameters `json:"consensusParameters" yaml:"consensusParameters"`

	// ProposerMinBlockDelay is the minimum delay this node will enforce when
	// building a snowman++ block.
	//
	// TODO: Remove this flag once all VMs throttle their own block production.
	ProposerMinBlockDelay time.Duration `json:"proposerMinBlockDelay" yaml:"proposerMinBlockDelay"`
	// ProposerNumHistoricalBlocks is the number of historical snowman++ blocks
	// this node will index per chain. If set to 0, the node will index all
	// snowman++ blocks.
	//
	// Note: The last accepted block is not considered a historical block. This
	// prevents the user from only storing the last accepted block, which can
	// never be safe due to the non-atomic commits between the proposervm
	// database and the innerVM's database.
	//
	// Invariant: This value must be set such that the proposervm never needs to
	// rollback more blocks than have been deleted. On startup, the proposervm
	// rolls back its accepted chain to match the innerVM's accepted chain. If
	// the innerVM is not persisting its last accepted block quickly enough, the
	// database can become corrupted.
	//
	// TODO: Move this flag once the proposervm is configurable on a per-chain
	// basis.
	ProposerNumHistoricalBlocks uint64 `json:"proposerNumHistoricalBlocks" yaml:"proposerNumHistoricalBlocks"`
}

func (*Config) Valid

func (c *Config) Valid() error

type GossipConfig

type GossipConfig struct {
	AcceptedFrontierValidatorSize    uint `json:"gossipAcceptedFrontierValidatorSize"    yaml:"gossipAcceptedFrontierValidatorSize"`
	AcceptedFrontierNonValidatorSize uint `json:"gossipAcceptedFrontierNonValidatorSize" yaml:"gossipAcceptedFrontierNonValidatorSize"`
	AcceptedFrontierPeerSize         uint `json:"gossipAcceptedFrontierPeerSize"         yaml:"gossipAcceptedFrontierPeerSize"`
	OnAcceptValidatorSize            uint `json:"gossipOnAcceptValidatorSize"            yaml:"gossipOnAcceptValidatorSize"`
	OnAcceptNonValidatorSize         uint `json:"gossipOnAcceptNonValidatorSize"         yaml:"gossipOnAcceptNonValidatorSize"`
	OnAcceptPeerSize                 uint `json:"gossipOnAcceptPeerSize"                 yaml:"gossipOnAcceptPeerSize"`
	AppGossipValidatorSize           uint `json:"appGossipValidatorSize"                 yaml:"appGossipValidatorSize"`
	AppGossipNonValidatorSize        uint `json:"appGossipNonValidatorSize"              yaml:"appGossipNonValidatorSize"`
	AppGossipPeerSize                uint `json:"appGossipPeerSize"                      yaml:"appGossipPeerSize"`
}

type Subnet

type Subnet interface {
	common.BootstrapTracker

	// AddChain adds a chain to this Subnet
	AddChain(chainID ids.ID) bool

	// Config returns config of this Subnet
	Config() Config

	Allower
}

Subnet keeps track of the currently bootstrapping chains in a subnet. If no chains in the subnet are currently bootstrapping, the subnet is considered bootstrapped.

func New

func New(myNodeID ids.NodeID, config Config) Subnet

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