common

package
v4.1.2-near-experimental Latest Latest
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 Go to latest Published: Nov 10, 2024 License: Apache-2.0 Imports: 27 Imported by: 0

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Index

Constants

View Source 
const (
	RollingLogLevelFlag        = "rolling-log-level"
	RollingLogMaxSizeFlag      = "rolling-log-max-size"
	RollingLogMaxAgeFlag       = "rolling-log-max-age"
	RollingLogBackupsFlag      = "rolling-log-backups"
	RollingLogFileLocationFlag = "rolling-log-file-location"
	RollingLogFormat           = "rolling-log-format"
)
View Source 
const (
	ProcessStartLogText = "Process Started"
	// cors related flags
	CorsHeadersFlag                 = "cors-headers"           // comma separated list of headers, or * for all, default simple cors specification headers
	CorsCredentialsFlag             = "cors-credentials"       // comma separated list of headers, or * for all, default simple cors specification headers
	CorsOriginFlag                  = "cors-origin"            // comma separated list of origins, or * for all, default enabled completely
	CorsMethodsFlag                 = "cors-methods"           // comma separated list of methods, default "GET,POST,PUT,DELETE,OPTIONS"
	CDNCacheDurationFlag            = "cdn-cache-duration"     // how long to cache the preflight response default 24 hours (in seconds) "86400"
	RelaysHealthEnableFlag          = "relays-health-enable"   // enable relays health check, default true
	RelayHealthIntervalFlag         = "relays-health-interval" // interval between each relay health check, default 5m
	SharedStateFlag                 = "shared-state"
	DisableConflictTransactionsFlag = "disable-conflict-transactions" // disable conflict transactions, this will hard the network's data reliability and therefore will harm the service.
	// Disable relay retries when we get node errors.
	// This feature is suppose to help with successful relays in some chains that return node errors on rare race conditions on the serviced chains.
	SetRelayCountOnNodeErrorFlag = "set-retry-count-on-node-error"
	UseStaticSpecFlag            = "use-static-spec" // allows the user to manually load a spec providing a path, this is useful to test spec changes before they hit the blockchain

	// optimizer flags
	SetProviderOptimizerBestTierPickChance    = "set-provider-optimizer-best-tier-pick-chance"
	SetProviderOptimizerWorstTierPickChance   = "set-provider-optimizer-worst-tier-pick-chance"
	SetProviderOptimizerNumberOfTiersToCreate = "set-provider-optimizer-number-of-tiers-to-create"

	// optimizer qos server flags
	OptimizerQosServerAddressFlag          = "optimizer-qos-server-address"    // address of the optimizer qos server to send the qos reports
	OptimizerQosServerPushIntervalFlag     = "optimizer-qos-push-interval"     // interval to push the qos reports to the optimizer qos server
	OptimizerQosServerSamplingIntervalFlag = "optimizer-qos-sampling-interval" // interval to sample the qos reports
	// websocket flags
	RateLimitWebSocketFlag                       = "rate-limit-websocket-requests-per-connection"
	BanDurationForWebsocketRateLimitExceededFlag = "ban-duration-for-websocket-rate-limit-exceeded"
	RateLimitRequestPerSecondFlag                = "rate-limit-requests-per-second"
)
View Source 
const (
	CONSISTENCY_SELECT_ALL_PROVIDERS = 1
	NO_STATE                         = 0
)
View Source 
const (
	PlainTextConnection                = "allow-plaintext-connection"
	EndpointsConfigName                = "endpoints"
	StaticProvidersConfigName          = "static-providers"
	SaveConfigFlagName                 = "save-conf"
	GeolocationFlag                    = "geolocation"
	TestModeFlagName                   = "test-mode"
	MaximumConcurrentProvidersFlagName = "concurrent-providers"
	StatusCodeMetadataKey              = "status-code"
	VersionMetadataKey                 = "lavap-version"
	LavaChainIdMetadataKey             = "lavap-chain-id"
	TimeOutForFetchingLavaBlocksFlag   = "timeout-for-fetching-lava-blocks"
)
View Source 
const (
	URL_QUERY_PARAMETERS_SEPARATOR_FROM_PATH        = "?"
	URL_QUERY_PARAMETERS_SEPARATOR_OTHER_PARAMETERS = "&"
	IP_FORWARDING_HEADER_NAME                       = "X-Forwarded-For"
	PROVIDER_ADDRESS_HEADER_NAME                    = "Lava-Provider-Address"
	RETRY_COUNT_HEADER_NAME                         = "Lava-Retries"
	PROVIDER_LATEST_BLOCK_HEADER_NAME               = "Provider-Latest-Block"
	GUID_HEADER_NAME                                = "Lava-Guid"
	ERRORED_PROVIDERS_HEADER_NAME                   = "Lava-Errored-Providers"
	NODE_ERRORS_PROVIDERS_HEADER_NAME               = "Lava-Node-Errors-providers"
	REPORTED_PROVIDERS_HEADER_NAME                  = "Lava-Reported-Providers"
	USER_REQUEST_TYPE                               = "lava-user-request-type"
	STATEFUL_API_HEADER                             = "lava-stateful-api"
	LAVA_IDENTIFIED_NODE_ERROR_HEADER               = "lava-identified-node-error"
	LAVAP_VERSION_HEADER_NAME                       = "Lavap-Version"
	LAVA_CONSUMER_PROCESS_GUID                      = "lava-consumer-process-guid"
	// these headers need to be lowercase
	BLOCK_PROVIDERS_ADDRESSES_HEADER_NAME = "lava-providers-block"
	RELAY_TIMEOUT_HEADER_NAME             = "lava-relay-timeout"
	EXTENSION_OVERRIDE_HEADER_NAME        = "lava-extension"
	FORCE_CACHE_REFRESH_HEADER_NAME       = "lava-force-cache-refresh"
	LAVA_DEBUG_RELAY                      = "lava-debug-relay"
	LAVA_LB_UNIQUE_ID_HEADER              = "lava-lb-unique-id"
	// send http request to /lava/health to see if the process is up - (ret code 200)
	DEFAULT_HEALTH_PATH                                       = "/lava/health"
	MAXIMUM_ALLOWED_TIMEOUT_EXTEND_MULTIPLIER_BY_THE_CONSUMER = 4
)
View Source 
const (
	TimePerCU                           = uint64(100 * time.Millisecond)
	MinimumTimePerRelayDelay            = time.Second
	DataReliabilityTimeoutIncrease      = 5 * time.Second
	AverageWorldLatency                 = 300 * time.Millisecond
	CommunicateWithLocalLavaNodeTimeout = (3 * time.Second) + AverageWorldLatency
	DefaultTimeout                      = 30 * time.Second
	DefaultTimeoutLongIsh               = 1 * time.Minute
	DefaultTimeoutLong                  = 3 * time.Minute
	CacheTimeout                        = 50 * time.Millisecond
	// On subscriptions we must use context.Background(),
	// we cant have a context.WithTimeout() context, meaning we can hang for ever.
	// to avoid that we introduced a first reply timeout using a routine.
	// if the first reply doesn't return after the specified timeout a timeout error will occur
	SubscriptionFirstReplyTimeout = 10 * time.Second
)

Variables

View Source 
var (
	ContextDeadlineExceededError                = sdkerrors.New("ContextDeadlineExceeded Error", 300, "context deadline exceeded")
	StatusCodeError504                          = sdkerrors.New("Disallowed StatusCode Error", 504, "Disallowed status code error")
	StatusCodeError429                          = sdkerrors.New("Disallowed StatusCode Error", 429, "Disallowed status code error")
	StatusCodeErrorStrict                       = sdkerrors.New("Disallowed StatusCode Error", 800, "Disallowed status code error")
	APINotSupportedError                        = sdkerrors.New("APINotSupported Error", 900, "api not supported")
	SubscriptionNotFoundError                   = sdkerrors.New("SubscriptionNotFoundError Error", 901, "subscription not found")
	ProviderFinalizationDataAccountabilityError = sdkerrors.New("ProviderFinalizationDataAccountability Error", 3365, "provider returned invalid finalization data, with accountability")
)
View Source 
var JsonRpcMethodNotFoundError = JsonRPCErrorMessage{
	JsonRPC: "2.0",
	Id:      1,
	Error: JsonRPCError{
		Code:    -32601,
		Message: "Method not found",
	},
}
View Source 
var JsonRpcRateLimitError = JsonRPCErrorMessage{
	JsonRPC: "2.0",
	Id:      1,
	Error: JsonRPCError{
		Code:    429,
		Message: "Too Many Requests",
	},
}
View Source 
var JsonRpcSubscriptionNotFoundError = JsonRPCErrorMessage{
	JsonRPC: "2.0",
	Id:      1,
	Error: JsonRPCError{
		Code:    -32603,
		Message: "Internal error",
		Data:    "subscription not found",
	},
}
View Source 
var RestAptosMethodNotFoundError = RestAptosError{
	Message:     "not found",
	ErrorCode:   "web_framework_error",
	VmErrorCode: nil,
}
View Source 
var RestMethodNotFoundError = RestError{
	Code:    12,
	Message: "Not Implemented",
	Details: []interface{}{},
}
View Source 
var SPECIAL_LAVA_DIRECTIVE_HEADERS = map[string]struct{}{
	BLOCK_PROVIDERS_ADDRESSES_HEADER_NAME: {},
	RELAY_TIMEOUT_HEADER_NAME:             {},
	EXTENSION_OVERRIDE_HEADER_NAME:        {},
	FORCE_CACHE_REFRESH_HEADER_NAME:       {},
	LAVA_DEBUG_RELAY:                      {},
}

Functions

func AddRollingLogConfig 

func AddRollingLogConfig(cmd *cobra.Command)

default rolling logs behavior (if enabled) will store 3 files each 100MB for up to 1 day every time.

func BaseTimePerCU 

func BaseTimePerCU(cu uint64) time.Duration

func CapContextTimeout 

func CapContextTimeout(ctx context.Context, timeout time.Duration) (context.Context, context.CancelFunc)

func ContextOutOfTime 

func ContextOutOfTime(ctx context.Context) bool

func CreateRestMethodNotFoundError 

func CreateRestMethodNotFoundError(fiberCtx *fiber.Ctx, chainId string) error

func FindSequenceNumber 

func FindSequenceNumber(sequence string) (int, error)

extract requested sequence number from tx error.

func GetExtensionNames 

func GetExtensionNames(extensionCollection []*spectypes.Extension) (extensions []string)

func GetIpFromGrpcContext 

func GetIpFromGrpcContext(ctx context.Context) string

func GetRemainingTimeoutFromContext 

func GetRemainingTimeoutFromContext(ctx context.Context) (timeRemaining time.Duration)

func GetTimePerCu 

func GetTimePerCu(cu uint64) time.Duration

func GetTimeoutForProcessing 

func GetTimeoutForProcessing(relayTimeout time.Duration, timeoutInfo TimeoutInfo) time.Duration

func GetTokenFromGrpcContext 

func GetTokenFromGrpcContext(ctx context.Context) string

func GetUniqueToken 

func GetUniqueToken(userData UserData) string

func IsQuoted 

func IsQuoted(s string) bool

func IsSquareBracketed 

func IsSquareBracketed(s string) bool

func IsTestMode 

func IsTestMode(ctx context.Context) bool

func IsTimeout 

func IsTimeout(errArg error) bool

func LocalNodeTimePerCu 

func LocalNodeTimePerCu(cu uint64) time.Duration

func ParseEndpointArgs 

func ParseEndpointArgs(endpoint_strings, yaml_config_properties []string, endpointsConfigName string) (viper_endpoints *viper.Viper, err error)

func SetupRollingLogger 

func SetupRollingLogger() func()

func UnSquareBracket 

func UnSquareBracket(s string) string

func ValidateEndpoint 

func ValidateEndpoint(endpoint, apiInterface string) error

func VerifyAndHandleUnsupportedFlags 

func VerifyAndHandleUnsupportedFlags(currentFlags *pflag.FlagSet) error

Types

type AuthConfig 

type AuthConfig struct {
	AuthHeaders   map[string]string `yaml:"auth-headers,omitempty" json:"auth-headers,omitempty" mapstructure:"auth-headers"`
	AuthQuery     string            `yaml:"auth-query,omitempty" json:"auth-query,omitempty" mapstructure:"auth-query"`
	UseTLS        bool              `yaml:"use-tls,omitempty" json:"use-tls,omitempty" mapstructure:"use-tls"`
	AllowInsecure bool              `yaml:"allow-insecure,omitempty" json:"allow-insecure,omitempty" mapstructure:"allow-insecure"`
	KeyPem        string            `yaml:"key-pem,omitempty" json:"key-pem,omitempty" mapstructure:"key-pem"`
	CertPem       string            `yaml:"cert-pem,omitempty" json:"cert-pem,omitempty" mapstructure:"cert-pem"`
	CaCert        string            `yaml:"cacert-pem,omitempty" json:"cacert-pem,omitempty" mapstructure:"cacert-pem"`
}

func (*AuthConfig) AddAuthPath 

func (ac *AuthConfig) AddAuthPath(url string) string

func (*AuthConfig) GetCaCertificateParams 

func (ac *AuthConfig) GetCaCertificateParams() string

File containing trusted root certificates for verifying the server.

func (*AuthConfig) GetLoadingCertificateParams 

func (ac *AuthConfig) GetLoadingCertificateParams() (string, string)

File containing client certificate (public key), to present to the server. + File containing client private key, to present to the server.

func (*AuthConfig) GetUseTls 

func (ac *AuthConfig) GetUseTls() bool

type ChainMessageGetApiInterface 

type ChainMessageGetApiInterface interface {
	GetApi() *spectypes.Api
}

type ConflictHandlerInterface 

type ConflictHandlerInterface interface {
	ConflictAlreadyReported() bool
	StoreConflictReported()
}

type ConsumerCmdFlags 

type ConsumerCmdFlags struct {
	HeadersFlag                 string        // comma separated list of headers, or * for all, default simple cors specification headers
	CredentialsFlag             string        // access-control-allow-credentials, defaults to "true"
	OriginFlag                  string        // comma separated list of origins, or * for all, default enabled completely
	MethodsFlag                 string        // whether to allow access control headers *, most proxies have their own access control so its not required
	CDNCacheDuration            string        // how long to cache the preflight response defaults 24 hours (in seconds) "86400"
	RelaysHealthEnableFlag      bool          // enables relay health check
	RelaysHealthIntervalFlag    time.Duration // interval for relay health check
	DebugRelays                 bool          // enables debug mode for relays
	DisableConflictTransactions bool          // disable conflict transactions
	StaticSpecPath              string        // path to the spec file, works only when bootstrapping a single chain.
}

helper struct to propagate flags deeper into the code in an organized manner

type JsonRPCError 

type JsonRPCError struct {
	Code    int    `json:"code"`
	Message string `json:"message"`
	Data    string `json:"data"`
}

type JsonRPCErrorMessage 

type JsonRPCErrorMessage struct {
	JsonRPC string       `json:"jsonrpc"`
	Id      int          `json:"id"`
	Error   JsonRPCError `json:"error"`
}

type NodeUrl 

type NodeUrl struct {
	Url               string        `yaml:"url,omitempty" json:"url,omitempty" mapstructure:"url"`
	InternalPath      string        `yaml:"internal-path,omitempty" json:"internal-path,omitempty" mapstructure:"internal-path"`
	AuthConfig        AuthConfig    `yaml:"auth-config,omitempty" json:"auth-config,omitempty" mapstructure:"auth-config"`
	IpForwarding      bool          `yaml:"ip-forwarding,omitempty" json:"ip-forwarding,omitempty" mapstructure:"ip-forwarding"`
	Timeout           time.Duration `yaml:"timeout,omitempty" json:"timeout,omitempty" mapstructure:"timeout"`
	Addons            []string      `yaml:"addons,omitempty" json:"addons,omitempty" mapstructure:"addons"`
	SkipVerifications []string      `yaml:"skip-verifications,omitempty" json:"skip-verifications,omitempty" mapstructure:"skip-verifications"`
	Methods           []string      `yaml:"methods,omitempty" json:"methods,omitempty" mapstructure:"methods"`
}

func (*NodeUrl) LowerContextTimeout 

func (url *NodeUrl) LowerContextTimeout(ctx context.Context, processingTimeout time.Duration) (context.Context, context.CancelFunc)

func (*NodeUrl) LowerContextTimeoutWithDuration 

func (url *NodeUrl) LowerContextTimeoutWithDuration(ctx context.Context, timeout time.Duration) (context.Context, context.CancelFunc)

func (*NodeUrl) SetAuthHeaders 

func (url *NodeUrl) SetAuthHeaders(ctx context.Context, headerSetter func(string, string))

func (*NodeUrl) SetIpForwardingIfNecessary 

func (url *NodeUrl) SetIpForwardingIfNecessary(ctx context.Context, headerSetter func(string, string))

func (NodeUrl) String 

func (nurl NodeUrl) String() string

func (*NodeUrl) UrlStr 

func (nurl *NodeUrl) UrlStr() string

type ProviderInfo 

type ProviderInfo struct {
	ProviderAddress              string
	ProviderQoSExcellenceSummery sdk.Dec // the number represents the average qos for this provider session
	ProviderStake                sdk.Coin
}

type RelayResult 

type RelayResult struct {
	Request         *pairingtypes.RelayRequest
	Reply           *pairingtypes.RelayReply
	ProviderInfo    ProviderInfo
	ReplyServer     pairingtypes.Relayer_RelaySubscribeClient
	Finalized       bool
	ConflictHandler ConflictHandlerInterface
	StatusCode      int
	Quorum          int
	ProviderTrailer metadata.MD // the provider trailer attached to the request. used to transfer useful information (which is not signed so shouldn't be trusted completely).
	IsNodeError     bool
}

func (*RelayResult) GetProvider 

func (rr *RelayResult) GetProvider() string

func (*RelayResult) GetReply 

func (rr *RelayResult) GetReply() *pairingtypes.RelayReply

func (*RelayResult) GetReplyServer 

func (rr *RelayResult) GetReplyServer() pairingtypes.Relayer_RelaySubscribeClient

func (*RelayResult) GetStatusCode 

func (rr *RelayResult) GetStatusCode() int

type RestAptosError 

type RestAptosError struct {
	Message     string      `json:"message"`
	ErrorCode   string      `json:"error_code"`
	VmErrorCode interface{} `json:"vm_error_code"`
}

type RestError 

type RestError struct {
	Code    int           `json:"code"`
	Message string        `json:"message"`
	Details []interface{} `json:"details"`
}

type SafeChannelSender 

type SafeChannelSender[T any] struct {
	// contains filtered or unexported fields
}

func NewSafeChannelSender 

func NewSafeChannelSender[T any](ctx context.Context, ch chan<- T) *SafeChannelSender[T]

func (*SafeChannelSender[T]) Close 

func (scs *SafeChannelSender[T]) Close()

func (*SafeChannelSender[T]) LockAndSendAsynchronously 

func (scs *SafeChannelSender[T]) LockAndSendAsynchronously(msg T)

Used when there is a need to validate locked, but you don't want to wait for the channel to return.

func (*SafeChannelSender[T]) ReplaceChannel 

func (scs *SafeChannelSender[T]) ReplaceChannel(ch chan<- T)

func (*SafeChannelSender[T]) Send 

func (scs *SafeChannelSender[T]) Send(msg T)

Used when you need to wait for the other side to receive the message.

type SafeSyncMap 

type SafeSyncMap[K, V any] struct {
	// contains filtered or unexported fields
}

func (*SafeSyncMap[K, V]) Load 

func (ssm *SafeSyncMap[K, V]) Load(key K) (ret V, ok bool, err error)

func (*SafeSyncMap[K, V]) LoadOrStore 

func (ssm *SafeSyncMap[K, V]) LoadOrStore(key K, value V) (ret V, loaded bool, err error)

LoadOrStore returns the existing value for the key if present. Otherwise, it stores and returns the given value. The loaded result is true if the value was loaded, false if stored. The function returns the value that was loaded or stored.

func (*SafeSyncMap[K, V]) Range 

func (ssm *SafeSyncMap[K, V]) Range(f func(key K, value V) bool)

func (*SafeSyncMap[K, V]) Store 

func (ssm *SafeSyncMap[K, V]) Store(key K, toSet V)

type Test_mode_ctx_key 

type Test_mode_ctx_key struct{}

type TimeoutInfo 

type TimeoutInfo struct {
	CU       uint64
	Hanging  bool
	Stateful uint32
}

type TxResultData 

type TxResultData struct {
	RawLog string
	Txhash []byte
	Code   int
}

func ParseTransactionResult 

func ParseTransactionResult(parsedValues map[string]any) (retData TxResultData, err error)

type UserData 

type UserData struct {
	ConsumerIp string
	DappId     string
}

Source Files

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