evm

package
v1.4.0-rc2 Latest Latest
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 Go to latest Published: Apr 29, 2022 License: MIT Imports: 37 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func IsLaterThan 

func IsLaterThan(incoming gethTypes.Log, existing gethTypes.Log) bool

IsLaterThan returns true if the first log was emitted "after" the second log from the blockchain's point of view

func NewRoundRequestedDB added in v1.3.0 

func NewRoundRequestedDB(sqldb *sql.DB, oracleSpecID int32, lggr logger.Logger) *requestRoundDB

NewDB returns a new DB scoped to this oracleSpecID

Types

type ConfigTracker added in v1.3.0 

type ConfigTracker struct {
	utils.StartStopOnce
	// contains filtered or unexported fields
}

ConfigTracker tracks the config of any contract implementing OCR2Abstract.

func NewConfigTracker added in v1.3.0 

func NewConfigTracker(lggr logger.Logger, contractABI abi.ABI, client evmclient.Client, addr common.Address, chainType config.ChainType, headBroadcaster httypes.HeadBroadcaster) *ConfigTracker

NewConfigTracker builds a new config tracker

func (*ConfigTracker) Close added in v1.3.0 

func (c *ConfigTracker) Close() error

Close cancels and requests and unsubscribes from the head broadcaster

func (*ConfigTracker) Connect added in v1.3.0 

func (c *ConfigTracker) Connect(*evmtypes.Head) error

Connect conforms to HeadTrackable

func (*ConfigTracker) LatestBlockHeight added in v1.3.0 

func (c *ConfigTracker) LatestBlockHeight(ctx context.Context) (blockHeight uint64, err error)

LatestBlockHeight returns the latest blockheight either from the cache or falling back to querying the node.

func (*ConfigTracker) LatestConfig added in v1.3.0 

func (c *ConfigTracker) LatestConfig(ctx context.Context, changedInBlock uint64) (ocrtypes.ContractConfig, error)

LatestConfig queries an OCR2Abstract contract for the latest config contents.

func (*ConfigTracker) LatestConfigDetails added in v1.3.0 

func (c *ConfigTracker) LatestConfigDetails(ctx context.Context) (changedInBlock uint64, configDigest ocrtypes.ConfigDigest, err error)

LatestConfigDetails queries an OCR2Abstract contract for the latest config details

func (*ConfigTracker) Notify added in v1.3.0 

func (c *ConfigTracker) Notify() <-chan struct{}

Notify not implemented

func (*ConfigTracker) OnNewLongestChain added in v1.3.0 

func (c *ConfigTracker) OnNewLongestChain(_ context.Context, h *evmtypes.Head)

OnNewLongestChain conformed to HeadTrackable and updates latestBlockHeight

func (*ConfigTracker) Start added in v1.3.0 

func (c *ConfigTracker) Start() error

Start starts the config tracker in particular subscribing to the head broadcaster.

type ContractTransmitter 

type ContractTransmitter struct {
	// contains filtered or unexported fields
}

func NewOCRContractTransmitter 

func NewOCRContractTransmitter(
	address gethcommon.Address,
	caller contractReader,
	contractABI abi.ABI,
	transmitter Transmitter,
	lggr logger.Logger,
) *ContractTransmitter

func (*ContractTransmitter) FromAccount 

func (oc *ContractTransmitter) FromAccount() ocrtypes.Account

FromAccount returns the account from which the transmitter invokes the contract

func (*ContractTransmitter) LatestConfigDigestAndEpoch 

func (oc *ContractTransmitter) LatestConfigDigestAndEpoch(ctx context.Context) (ocrtypes.ConfigDigest, uint32, error)

LatestConfigDigestAndEpoch retrieves the latest config digest and epoch from the OCR2 contract. It is plugin independent, in particular avoids use of the plugin specific generated evm wrappers by using the evm client Call directly for functions/events that are part of OCR2Abstract.

func (*ContractTransmitter) Transmit 

func (oc *ContractTransmitter) Transmit(ctx context.Context, reportCtx ocrtypes.ReportContext, report ocrtypes.Report, signatures []ocrtypes.AttributedOnchainSignature) error

Transmit sends the report to the on-chain smart contract's Transmit method.

type OCR2Spec 

type OCR2Spec struct {
	ID            int32
	ContractID    string
	TransmitterID null.String // Will be null for bootstrap jobs
	IsBootstrap   bool
	ChainID       *big.Int
	Plugin        job.OCR2PluginType
}

type RelayConfig 

type RelayConfig struct {
	ChainID *utils.Big `json:"chainID"`
}

type Relayer 

type Relayer struct {
	// contains filtered or unexported fields
}

func NewRelayer 

func NewRelayer(db *sqlx.DB, chainSet evm.ChainSet, lggr logger.Logger) *Relayer

func (*Relayer) Close 

func (r *Relayer) Close() error

Close does noop: no persistent subservices to close on relay close

func (*Relayer) Healthy 

func (r *Relayer) Healthy() error

Healthy does noop: always healthy

func (*Relayer) NewOCR2Provider 

func (r *Relayer) NewOCR2Provider(externalJobID uuid.UUID, s interface{}) (types2.OCR2ProviderCtx, error)

NewOCR2Provider provides all evm specific implementations of OCR2 components including components generic across all plugins and ones specific to plugins.

func (*Relayer) Ready 

func (r *Relayer) Ready() error

Ready does noop: always ready

func (*Relayer) Start 

func (r *Relayer) Start(context.Context) error

Start does noop: no subservices started on relay start, but when the first job is started

type RequestRoundDB added in v1.3.0 

type RequestRoundDB interface {
	SaveLatestRoundRequested(tx pg.Queryer, rr ocr2aggregator.OCR2AggregatorRoundRequested) error
	LoadLatestRoundRequested() (rr ocr2aggregator.OCR2AggregatorRoundRequested, err error)
}

RequestRoundDB stores requested rounds for querying by the median plugin.

type RequestRoundTracker added in v1.3.0 

type RequestRoundTracker struct {
	utils.StartStopOnce
	// contains filtered or unexported fields
}

RequestRoundTracker subscribes to new request round logs.

func NewRequestRoundTracker added in v1.3.0 

func NewRequestRoundTracker(
	contract *offchain_aggregator_wrapper.OffchainAggregator,
	contractFilterer *ocr2aggregator.OCR2AggregatorFilterer,
	ethClient evmclient.Client,
	logBroadcaster log.Broadcaster,
	jobID int32,
	lggr logger.Logger,
	db *sqlx.DB,
	odb RequestRoundDB,
	chain ocrcommon.Config,
) (o *RequestRoundTracker)

NewRequestRoundTracker makes a new RequestRoundTracker

func (*RequestRoundTracker) Close added in v1.3.0 

func (t *RequestRoundTracker) Close() error

Close should be called after teardown of the OCR job relying on this tracker

func (*RequestRoundTracker) HandleLog added in v1.3.0 

func (t *RequestRoundTracker) HandleLog(lb log.Broadcast)

HandleLog complies with LogListener interface It is not thread safe

func (*RequestRoundTracker) IsV2Job added in v1.3.0 

func (t *RequestRoundTracker) IsV2Job() bool

IsV2Job complies with LogListener interface

func (*RequestRoundTracker) JobID added in v1.3.0 

func (t *RequestRoundTracker) JobID() int32

JobID complies with LogListener interface

func (*RequestRoundTracker) LatestRoundRequested added in v1.3.0 

func (t *RequestRoundTracker) LatestRoundRequested(_ context.Context, lookback time.Duration) (configDigest ocrtypes.ConfigDigest, epoch uint32, round uint8, err error)

LatestRoundRequested returns the configDigest, epoch, and round from the latest RoundRequested event emitted by the contract. LatestRoundRequested may or may not return a result if the latest such event was emitted in a block b such that b.timestamp < tip.timestamp - lookback.

If no event is found, LatestRoundRequested should return zero values, not an error. An error should only be returned if an actual error occurred during execution, e.g. because there was an error querying the blockchain or the database.

As an optimization, this function may also return zero values, if no RoundRequested event has been emitted after the latest NewTransmission event.

func (*RequestRoundTracker) Start added in v1.3.0 

func (t *RequestRoundTracker) Start() error

Start must be called before logs can be delivered It ought to be called before starting OCR

type Transmitter 

type Transmitter interface {
	CreateEthTransaction(ctx context.Context, toAddress gethcommon.Address, payload []byte) error
	FromAddress() gethcommon.Address
}

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