relayer

type BridgeValidators []types.BridgeValidator

type GravityRelayer interface {
	Start(ctx context.Context) error

	FindLatestValset(ctx context.Context) (*gravitytypes.Valset, error)

	RelayBatches(
		ctx context.Context,
		currentValset gravitytypes.Valset,
		possibleBatches map[ethcmn.Address][]SubmittableBatch,
	) error

	RelayValsets(ctx context.Context, currentValset gravitytypes.Valset) error

	// SetSymbolRetriever sets the Symbol Retriever api to get the symbol from contract address.
	SetSymbolRetriever(SymbolRetriever)

	// SetOracle sets the oracle for price feeder used when performing profitable
	// batch calculations.
	SetOracle(Oracle)

	GetProfitMultiplier() float64
}

type GravityValsetUpdatedEvents []*wrappers.GravityValsetUpdatedEvent

type Oracle interface {
	// GetPrices returns the price for the provided base symbols.
	GetPrices(baseSymbols ...string) (map[string]sdk.Dec, error)

	// GetPrice returns the price based on the base symbol ex.: UMEE, ETH.
	GetPrice(baseSymbol string) (sdk.Dec, error)

	// SubscribeSymbols attempts to subscribe the symbols in all the providers.
	// baseSymbols is the base to be subscribed ex.: ["UMEE", "ATOM"].
	SubscribeSymbols(baseSymbols ...string) error
}

type SubmittableBatch struct {
	Batch      types.OutgoingTxBatch
	Signatures []types.MsgConfirmBatch
}

type SymbolRetriever interface {
	// GetTokenSymbol executes an API client to retrieve the
	// correct Symbol from the contract address
	GetTokenSymbol(erc20Contract ethcmn.Address) (string, error)
}

type ValsetRelayMode int64