protocol

package
v0.2103.1 Latest Latest
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 Go to latest Published: Oct 8, 2021 License: Apache-2.0 Imports: 24 Imported by: 0

Documentation

Overview

Package protocol implements the Runtime Host Protocol.

Index

Constants

View Source 
const MethodQueryBatchWeightLimits = "internal.BatchWeightLimits"

MethodQueryBatchWeightLimits is the name of the runtime batch weight limits query method.

Variables

View Source 
var (
	// ErrNotReady is the error reported when the Runtime Host Protocol is not initialized.
	ErrNotReady = errors.New(moduleName, 1, "rhp: not ready")
)

Functions

This section is empty.

Types

type Body 

type Body struct {
	Empty *Empty `json:",omitempty"`
	Error *Error `json:",omitempty"`

	// Runtime interface.
	RuntimeInfoRequest                    *RuntimeInfoRequest                    `json:",omitempty"`
	RuntimeInfoResponse                   *RuntimeInfoResponse                   `json:",omitempty"`
	RuntimePingRequest                    *Empty                                 `json:",omitempty"`
	RuntimeShutdownRequest                *Empty                                 `json:",omitempty"`
	RuntimeCapabilityTEERakInitRequest    *RuntimeCapabilityTEERakInitRequest    `json:",omitempty"`
	RuntimeCapabilityTEERakInitResponse   *Empty                                 `json:",omitempty"`
	RuntimeCapabilityTEERakReportRequest  *Empty                                 `json:",omitempty"`
	RuntimeCapabilityTEERakReportResponse *RuntimeCapabilityTEERakReportResponse `json:",omitempty"`
	RuntimeCapabilityTEERakAvrRequest     *RuntimeCapabilityTEERakAvrRequest     `json:",omitempty"`
	RuntimeCapabilityTEERakAvrResponse    *Empty                                 `json:",omitempty"`
	RuntimeRPCCallRequest                 *RuntimeRPCCallRequest                 `json:",omitempty"`
	RuntimeRPCCallResponse                *RuntimeRPCCallResponse                `json:",omitempty"`
	RuntimeLocalRPCCallRequest            *RuntimeLocalRPCCallRequest            `json:",omitempty"`
	RuntimeLocalRPCCallResponse           *RuntimeLocalRPCCallResponse           `json:",omitempty"`
	RuntimeCheckTxBatchRequest            *RuntimeCheckTxBatchRequest            `json:",omitempty"`
	RuntimeCheckTxBatchResponse           *RuntimeCheckTxBatchResponse           `json:",omitempty"`
	RuntimeExecuteTxBatchRequest          *RuntimeExecuteTxBatchRequest          `json:",omitempty"`
	RuntimeExecuteTxBatchResponse         *RuntimeExecuteTxBatchResponse         `json:",omitempty"`
	RuntimeAbortRequest                   *Empty                                 `json:",omitempty"`
	RuntimeAbortResponse                  *Empty                                 `json:",omitempty"`
	RuntimeKeyManagerPolicyUpdateRequest  *RuntimeKeyManagerPolicyUpdateRequest  `json:",omitempty"`
	RuntimeKeyManagerPolicyUpdateResponse *Empty                                 `json:",omitempty"`
	RuntimeQueryRequest                   *RuntimeQueryRequest                   `json:",omitempty"`
	RuntimeQueryResponse                  *RuntimeQueryResponse                  `json:",omitempty"`
	RuntimeConsensusSyncRequest           *RuntimeConsensusSyncRequest           `json:",omitempty"`
	RuntimeConsensusSyncResponse          *Empty                                 `json:",omitempty"`

	// Host interface.
	HostRPCCallRequest              *HostRPCCallRequest              `json:",omitempty"`
	HostRPCCallResponse             *HostRPCCallResponse             `json:",omitempty"`
	HostStorageSyncRequest          *HostStorageSyncRequest          `json:",omitempty"`
	HostStorageSyncResponse         *HostStorageSyncResponse         `json:",omitempty"`
	HostLocalStorageGetRequest      *HostLocalStorageGetRequest      `json:",omitempty"`
	HostLocalStorageGetResponse     *HostLocalStorageGetResponse     `json:",omitempty"`
	HostLocalStorageSetRequest      *HostLocalStorageSetRequest      `json:",omitempty"`
	HostLocalStorageSetResponse     *Empty                           `json:",omitempty"`
	HostFetchConsensusBlockRequest  *HostFetchConsensusBlockRequest  `json:",omitempty"`
	HostFetchConsensusBlockResponse *HostFetchConsensusBlockResponse `json:",omitempty"`
}

Body is a protocol message body.

func (Body) Type 

func (body Body) Type() string

Type returns the message type by determining the name of the first non-nil member.

type CheckTxMetadata added in v0.2102.0 

type CheckTxMetadata struct {
	// Priority is the transaction's priority.
	Priority uint64 `json:"priority,omitempty"`

	// Weight are runtime specific transaction weights.
	Weights map[transaction.Weight]uint64 `json:"weights,omitempty"`
}

CheckTxMetadata is the transaction check-tx metadata.

type CheckTxResult added in v0.2100.0 

type CheckTxResult struct {
	// Error is the error (if any) that resulted from the operation.
	Error Error `json:"error"`

	// Meta contains metadata that can be used for scheduling transactions by the scheduler.
	Meta *CheckTxMetadata `json:"meta,omitempty"`
}

CheckTxResult contains the result of a CheckTx operation.

func (*CheckTxResult) IsSuccess added in v0.2100.0 

func (r *CheckTxResult) IsSuccess() bool

IsSuccess returns true if transaction execution was successful.

func (*CheckTxResult) ToCheckedTransaction added in v0.2102.0 

func (r *CheckTxResult) ToCheckedTransaction(rawTx []byte) *transaction.CheckedTransaction

ToCheckedTransaction creates CheckedTransaction from CheckTx result.

Assumes a successful result.

type ComputedBatch 

type ComputedBatch struct {
	// Header is the compute results header.
	Header commitment.ComputeResultsHeader `json:"header"`
	// Log that generates the I/O tree.
	IOWriteLog storage.WriteLog `json:"io_write_log"`
	// Batch of storage write operations.
	StateWriteLog storage.WriteLog `json:"state_write_log"`
	// If this runtime uses a TEE, then this is the signature of Header with
	// node's RAK for this runtime.
	RakSig signature.RawSignature `json:"rak_sig"`
	// Messages are the emitted runtime messages.
	Messages []message.Message `json:"messages"`
}

ComputedBatch is a computed batch.

func (*ComputedBatch) String 

func (b *ComputedBatch) String() string

String returns a string representation of a computed batch.

type Connection 

type Connection interface {
	// Close closes the connection.
	Close()

	// Call sends a request to the other side and returns the response or error.
	Call(ctx context.Context, body *Body) (*Body, error)

	// InitHost performs initialization in host mode and transitions the connection to Ready state.
	//
	// This method must be called before the host will answer requests.
	//
	// Only one of InitHost/InitGuest can be called otherwise the method may panic.
	//
	// Returns the self-reported runtime version.
	InitHost(ctx context.Context, conn net.Conn, hi *HostInfo) (*version.Version, error)

	// InitGuest performs initialization in guest mode and transitions the connection to Ready
	// state.
	//
	// Only one of InitHost/InitGuest can be called otherwise the method may panic.
	InitGuest(ctx context.Context, conn net.Conn) error
}

Connection is a Runtime Host Protocol connection interface.

func NewConnection 

func NewConnection(logger *logging.Logger, runtimeID common.Namespace, handler Handler) (Connection, error)

NewConnection creates a new uninitialized RHP connection.

type Empty 

type Empty struct{}

Empty is an empty message body.

type Error 

type Error struct {
	Module  string `json:"module,omitempty"`
	Code    uint32 `json:"code,omitempty"`
	Message string `json:"message,omitempty"`
}

Error is a message body representing an error.

func (Error) String added in v0.2100.0 

func (e Error) String() string

String returns a string representation of this runtime error.

type Handler 

type Handler interface {
	// Handle given request and return a response.
	Handle(ctx context.Context, body *Body) (*Body, error)
}

Handler is a protocol message handler interface.

type HostFetchConsensusBlockRequest added in v0.2103.0 

type HostFetchConsensusBlockRequest struct {
	Height uint64 `json:"height"`
}

HostFetchConsensusBlockRequest is a request to host to fetch the given consensus light block.

type HostFetchConsensusBlockResponse added in v0.2103.0 

type HostFetchConsensusBlockResponse struct {
	Block consensus.LightBlock `json:"block"`
}

HostFetchConsensusBlockResponse is a response from host fetching the given consensus light block.

type HostInfo added in v0.2100.0 

type HostInfo struct {
	// ConsensusBackend is the name of the consensus backend that is in use for the consensus layer.
	ConsensusBackend string
	// ConsensusProtocolVersion is the consensus protocol version that is in use for the consensus
	// layer.
	ConsensusProtocolVersion version.Version
	// ConsensusChainContext is the consensus layer chain domain separation context.
	ConsensusChainContext string

	// LocalConfig is the node-local runtime configuration.
	//
	// This configuration must not be used in any context which requires determinism across
	// replicated runtime instances.
	LocalConfig map[string]interface{}
}

HostInfo contains the information about the host environment that is sent to the runtime during connection initialization.

func (*HostInfo) Clone added in v0.2102.0 

func (hi *HostInfo) Clone() *HostInfo

Clone returns a copy of the HostInfo structure.

type HostLocalStorageGetRequest 

type HostLocalStorageGetRequest struct {
	Key []byte `json:"key"`
}

HostLocalStorageGetRequest is a host local storage get request message body.

type HostLocalStorageGetResponse 

type HostLocalStorageGetResponse struct {
	Value []byte `json:"value"`
}

HostLocalStorageGetResponse is a host local storage get response message body.

type HostLocalStorageSetRequest 

type HostLocalStorageSetRequest struct {
	Key   []byte `json:"key"`
	Value []byte `json:"value"`
}

HostLocalStorageSetRequest is a host local storage set request message body.

type HostRPCCallRequest 

type HostRPCCallRequest struct {
	Endpoint string `json:"endpoint"`
	Request  []byte `json:"request"`
}

HostRPCCallRequest is a host RPC call request message body.

type HostRPCCallResponse 

type HostRPCCallResponse struct {
	Response []byte `json:"response"`
}

HostRPCCallResponse is a host RPC call response message body.

type HostStorageEndpoint added in v0.2100.0 

type HostStorageEndpoint uint8

HostStorageEndpoint is the host storage endpoint. 

const (
	// HostStorageEndpointRuntime is the runtime state storage endpoint.
	HostStorageEndpointRuntime HostStorageEndpoint = 0
	// HostStorageEndpointConsensus is the consensus layer state storage endpoint.
	HostStorageEndpointConsensus HostStorageEndpoint = 1
)

type HostStorageSyncRequest 

type HostStorageSyncRequest struct {
	// Endpoint is the storage endpoint to which this request should be routed.
	Endpoint HostStorageEndpoint `json:"endpoint,omitempty"`

	SyncGet         *storage.GetRequest         `json:",omitempty"`
	SyncGetPrefixes *storage.GetPrefixesRequest `json:",omitempty"`
	SyncIterate     *storage.IterateRequest     `json:",omitempty"`
}

HostStorageSyncRequest is a host storage read syncer request message body.

type HostStorageSyncResponse 

type HostStorageSyncResponse struct {
	ProofResponse *storage.ProofResponse `json:",omitempty"`
}

HostStorageSyncResponse is a host storage read syncer response body.

type Message 

type Message struct {
	ID          uint64      `json:"id"`
	MessageType MessageType `json:"message_type"`
	Body        Body        `json:"body"`
}

Message is a protocol message.

type MessageType 

type MessageType uint8

MessageType is a message type. 

const (
	// Invalid message (should never be seen on the wire).
	MessageInvalid MessageType = 0

	// Request message.
	MessageRequest MessageType = 1

	// Response message.
	MessageResponse MessageType = 2
)

func (MessageType) String 

func (m MessageType) String() string

String returns a string representation of a message type.

type NoOpNotifier 

type NoOpNotifier struct{}

NoOpNotifier is the default no-op runtime notifier implementation.

func (*NoOpNotifier) Start 

func (n *NoOpNotifier) Start() error

Start the no-op notifier.

func (*NoOpNotifier) Stop 

func (n *NoOpNotifier) Stop()

Stop the no-op notifier.

type Notifier 

type Notifier interface {
	// Start the notifier.
	Start() error

	// Stop the notifier.
	Stop()
}

Notifier is a protocol runtime notifier interface.

type RuntimeCapabilityTEERakAvrRequest 

type RuntimeCapabilityTEERakAvrRequest struct {
	AVR ias.AVRBundle `json:"avr"`
}

RuntimeCapabilityTEERakAvrRequest is a worker RFC 0009 CapabilityTEE RAK AVR setup request message body.

type RuntimeCapabilityTEERakInitRequest 

type RuntimeCapabilityTEERakInitRequest struct {
	TargetInfo []byte `json:"target_info"`
}

RuntimeCapabilityTEERakInitRequest is a worker RFC 0009 CapabilityTEE initialization request message body.

type RuntimeCapabilityTEERakReportResponse 

type RuntimeCapabilityTEERakReportResponse struct {
	RakPub signature.PublicKey `json:"rak_pub"`
	Report []byte              `json:"report"`
	Nonce  string              `json:"nonce"`
}

RuntimeCapabilityTEERakReportResponse is a worker RFC 0009 CapabilityTEE RAK response message body.

type RuntimeCheckTxBatchRequest 

type RuntimeCheckTxBatchRequest struct {
	// ConsensusBlock is the consensus light block at the last finalized round
	// height (e.g., corresponding to .Block.Header.Round).
	ConsensusBlock consensus.LightBlock `json:"consensus_block"`

	// Batch of runtime inputs to check.
	Inputs transaction.RawBatch `json:"inputs"`
	// Block on which the batch check should be based.
	Block block.Block `json:"block"`
	// Epoch is the current epoch number.
	Epoch beacon.EpochTime `json:"epoch"`

	// MaxMessages is the maximum number of messages that can be emitted in this
	// round. Any more messages will be rejected by the consensus layer.
	MaxMessages uint32 `json:"max_messages"`
}

RuntimeCheckTxBatchRequest is a worker check tx batch request message body.

type RuntimeCheckTxBatchResponse 

type RuntimeCheckTxBatchResponse struct {
	// Batch of CheckTx results corresponding to transactions passed on input.
	Results []CheckTxResult `json:"results"`
}

RuntimeCheckTxBatchResponse is a worker check tx batch response message body.

type RuntimeConsensusSyncRequest added in v0.2103.0 

type RuntimeConsensusSyncRequest struct {
	Height uint64 `json:"height"`
}

RuntimeConsensusSyncRequest is a runtime consensus block synchronization request message body.

type RuntimeExecuteTxBatchRequest 

type RuntimeExecuteTxBatchRequest struct {
	// ConsensusBlock is the consensus light block at the last finalized round
	// height (e.g., corresponding to .Block.Header.Round).
	ConsensusBlock consensus.LightBlock `json:"consensus_block"`

	// RoundResults are the results of executing the previous successful round.
	RoundResults *roothash.RoundResults `json:"round_results"`

	// IORoot is the I/O root containing the inputs (transactions) that
	// the compute node should use. It must match what is passed in "inputs".
	IORoot hash.Hash `json:"io_root"`
	// Batch of inputs (transactions).
	Inputs transaction.RawBatch `json:"inputs"`
	// Block on which the batch computation should be based.
	Block block.Block `json:"block"`
	// Epoch is the current epoch number.
	Epoch beacon.EpochTime `json:"epoch"`

	// MaxMessages is the maximum number of messages that can be emitted in this
	// round. Any more messages will be rejected by the consensus layer.
	MaxMessages uint32 `json:"max_messages"`
}

RuntimeExecuteTxBatchRequest is a worker execute tx batch request message body.

type RuntimeExecuteTxBatchResponse 

type RuntimeExecuteTxBatchResponse struct {
	Batch             ComputedBatch                 `json:"batch"`
	BatchWeightLimits map[transaction.Weight]uint64 `json:"batch_weight_limits"`
}

RuntimeExecuteTxBatchResponse is a worker execute tx batch response message body.

type RuntimeInfoRequest 

type RuntimeInfoRequest struct {
	// RuntimeID is the assigned runtime ID of the loaded runtime.
	RuntimeID common.Namespace `json:"runtime_id"`

	// ConsensusBackend is the name of the consensus backend that is in use for the consensus layer.
	ConsensusBackend string `json:"consensus_backend"`
	// ConsensusProtocolVersion is the consensus protocol version that is in use for the consensus
	// layer.
	ConsensusProtocolVersion version.Version `json:"consensus_protocol_version"`
	// ConsensusChainContext is the consensus layer chain domain separation context.
	ConsensusChainContext string `json:"consensus_chain_context"`

	// LocalConfig is the node-local runtime configuration.
	//
	// This configuration must not be used in any context which requires determinism across
	// replicated runtime instances.
	LocalConfig map[string]interface{} `json:"local_config,omitempty"`
}

RuntimeInfoRequest is a worker info request message body.

type RuntimeInfoResponse 

type RuntimeInfoResponse struct {
	// ProtocolVersion is the runtime protocol version supported by the worker.
	ProtocolVersion version.Version `json:"protocol_version"`

	// RuntimeVersion is the version of the runtime.
	RuntimeVersion version.Version `json:"runtime_version"`
}

RuntimeInfoResponse is a worker info response message body.

type RuntimeKeyManagerPolicyUpdateRequest 

type RuntimeKeyManagerPolicyUpdateRequest struct {
	SignedPolicyRaw []byte `json:"signed_policy_raw"`
}

RuntimeKeyManagerPolicyUpdateRequest is a runtime key manager policy request message body.

type RuntimeLocalRPCCallRequest 

type RuntimeLocalRPCCallRequest struct {
	// Request.
	Request []byte `json:"request"`
}

RuntimeLocalRPCCallRequest is a worker local RPC call request message body.

type RuntimeLocalRPCCallResponse 

type RuntimeLocalRPCCallResponse struct {
	// Response.
	Response []byte `json:"response"`
}

RuntimeLocalRPCCallResponse is a worker local RPC call response message body.

type RuntimeQueryRequest added in v0.2100.0 

type RuntimeQueryRequest struct {
	// ConsensusBlock is the consensus light block at the last finalized round
	// height (e.g., corresponding to .Header.Round).
	ConsensusBlock consensus.LightBlock `json:"consensus_block"`

	// Header is the current block header.
	Header block.Header `json:"header"`
	// Epoch is the current epoch number.
	Epoch beacon.EpochTime `json:"epoch"`

	// MaxMessages is the maximum number of messages that can be emitted in this
	// round. Any more messages will be rejected by the consensus layer.
	MaxMessages uint32 `json:"max_messages"`

	Method string `json:"method"`
	Args   []byte `json:"args,omitempty"`
}

RuntimeQueryRequest is a runtime query request message body.

type RuntimeQueryResponse added in v0.2100.0 

type RuntimeQueryResponse struct {
	Data []byte `json:"data,omitempty"`
}

RuntimeQueryRequest is a runtime query response message body.

type RuntimeRPCCallRequest 

type RuntimeRPCCallRequest struct {
	// Request.
	Request []byte `json:"request"`
}

RuntimeRPCCallRequest is a worker RPC call request message body.

type RuntimeRPCCallResponse 

type RuntimeRPCCallResponse struct {
	// Response.
	Response []byte `json:"response"`
}

RuntimeRPCCallResponse is a worker RPC call response message body.

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