common

package
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Published: Jun 14, 2023 License: Apache-2.0, Apache-2.0 Imports: 28 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	// ErrAlreadyStarted is returned when somebody tries to start an already
	// running service.
	ErrAlreadyStarted = errors.New("already started")
	// ErrAlreadyStopped is returned when somebody tries to stop an already
	// stopped service (without resetting it).
	ErrAlreadyStopped = errors.New("already stopped")
	// ErrNotStarted is returned when somebody tries to stop a not running
	// service.
	ErrNotStarted = errors.New("not started")
)
View Source
var (
	ErrInvalidLengthTypes = fmt.Errorf("proto: negative length found during unmarshaling")
	ErrIntOverflowTypes   = fmt.Errorf("proto: integer overflow")
)

Functions

func ASCIITrim

func ASCIITrim(s string) string

NOTE: Assumes that s is ASCII as per IsASCIIText(), otherwise panics.

func Connect

func Connect(protoAddr string) (net.Conn, error)

Connect dials the given address and returns a net.Conn. The protoAddr argument should be prefixed with the protocol, eg. "tcp://127.0.0.1:8080" or "unix:///tmp/test.sock"

func EnsureDir

func EnsureDir(dir string, mode os.FileMode) error

func Exit

func Exit(s string)

func FileExists

func FileExists(filePath string) bool

func Fingerprint

func Fingerprint(slice []byte) []byte

Fingerprint returns the first 6 bytes of a byte slice. If the slice is less than 6 bytes, the fingerprint contains trailing zeroes.

func GetFreePort

func GetFreePort() (int, error)

GetFreePort gets a free port from the operating system. Ripped from https://github.com/phayes/freeport. BSD-licensed.

func IntInSlice

func IntInSlice(a int, list []int) bool

IntInSlice returns true if a is found in the list.

func IsASCIIText

func IsASCIIText(s string) bool

Returns true if s is a non-empty printable non-tab ascii character.

func IsEmpty

func IsEmpty(o interface{}) bool

Returns true if it has zero length.

func Kill

func Kill() error

Kill the running process by sending itself SIGTERM.

func MaxInt

func MaxInt(a, b int) int

func MaxInt64

func MaxInt64(a, b int64) int64

func MinInt

func MinInt(a, b int) int

func MinInt64

func MinInt64(a, b int64) int64

func MustReadFile

func MustReadFile(filePath string) []byte

func MustWriteFile

func MustWriteFile(filePath string, contents []byte, mode os.FileMode)

func ProtocolAndAddress

func ProtocolAndAddress(listenAddr string) (string, string)

ProtocolAndAddress splits an address into the protocol and address components. For instance, "tcp://127.0.0.1:8080" will be split into "tcp" and "127.0.0.1:8080". If the address has no protocol prefix, the default is "tcp".

func RandBool

func RandBool() bool

func RandBytes

func RandBytes(n int) []byte

func RandFloat32

func RandFloat32() float32

func RandFloat64

func RandFloat64() float64

func RandInt

func RandInt() int

func RandInt16

func RandInt16() int16

func RandInt31

func RandInt31() int32

func RandInt31n

func RandInt31n(n int32) int32

func RandInt32

func RandInt32() int32

func RandInt63

func RandInt63() int64

func RandInt63n

func RandInt63n(n int64) int64

func RandInt64

func RandInt64() int64

func RandIntn

func RandIntn(n int) int

func RandPerm

func RandPerm(n int) []int

func RandStr

func RandStr(length int) string

func RandTime

func RandTime() time.Time

func RandUint

func RandUint() uint

func RandUint16

func RandUint16() uint16

func RandUint32

func RandUint32() uint32

func RandUint64

func RandUint64() uint64

func ReadFile

func ReadFile(filePath string) ([]byte, error)

func Seed

func Seed(seed int64)

func SplitAndTrim

func SplitAndTrim(s, sep, cutset string) []string

SplitAndTrim slices s into all subslices separated by sep and returns a slice of the string s with all leading and trailing Unicode code points contained in cutset removed. If sep is empty, SplitAndTrim splits after each UTF-8 sequence. First part is equivalent to strings.SplitN with a count of -1.

func StringInSlice

func StringInSlice(a string, list []string) bool

StringInSlice returns true if a is found the list.

func StringSliceEqual

func StringSliceEqual(a, b []string) bool

StringSliceEqual checks if string slices a and b are equal

func TrapSignal

func TrapSignal(logger logger, cb func())

TrapSignal catches the SIGTERM/SIGINT and executes cb function. After that it exits with code 0.

func WriteFile

func WriteFile(filePath string, contents []byte, mode os.FileMode) error

func WriteFileAtomic

func WriteFileAtomic(filename string, data []byte, perm os.FileMode) (err error)

WriteFileAtomic creates a temporary file with data and provided perm and swaps it atomically with filename if successful.

Types

type BaseService

type BaseService struct {
	Logger log.Logger
	// contains filtered or unexported fields
}

Classical-inheritance-style service declarations. Services can be started, then stopped, then optionally restarted.

Users can override the OnStart/OnStop methods. In the absence of errors, these methods are guaranteed to be called at most once. If OnStart returns an error, service won't be marked as started, so the user can call Start again.

A call to Reset will panic, unless OnReset is overwritten, allowing OnStart/OnStop to be called again.

The caller must ensure that Start and Stop are not called concurrently.

It is ok to call Stop without calling Start first.

Typical usage:

type FooService struct {
	BaseService
	// private fields
}

func NewFooService() *FooService {
	fs := &FooService{
		// init
	}
	fs.BaseService = *NewBaseService(log, "FooService", fs)
	return fs
}

func (fs *FooService) OnStart() error {
	fs.BaseService.OnStart() // Always call the overridden method.
	// initialize private fields
	// start subroutines, etc.
}

func (fs *FooService) OnStop() error {
	fs.BaseService.OnStop() // Always call the overridden method.
	// close/destroy private fields
	// stop subroutines, etc.
}

func NewBaseService

func NewBaseService(logger log.Logger, name string, impl Service) *BaseService

NewBaseService creates a new BaseService.

func (*BaseService) IsRunning

func (bs *BaseService) IsRunning() bool

IsRunning implements Service by returning true or false depending on the service's state.

func (*BaseService) OnReset

func (bs *BaseService) OnReset() error

OnReset implements Service by panicking.

func (*BaseService) OnStart

func (bs *BaseService) OnStart() error

OnStart implements Service by doing nothing. NOTE: Do not put anything in here, that way users don't need to call BaseService.OnStart()

func (*BaseService) OnStop

func (bs *BaseService) OnStop()

OnStop implements Service by doing nothing. NOTE: Do not put anything in here, that way users don't need to call BaseService.OnStop()

func (*BaseService) Quit

func (bs *BaseService) Quit() <-chan struct{}

Quit Implements Service by returning a quit channel.

func (*BaseService) Reset

func (bs *BaseService) Reset() error

Reset implements Service by calling OnReset callback (if defined). An error will be returned if the service is running.

func (*BaseService) SetLogger

func (bs *BaseService) SetLogger(l log.Logger)

SetLogger implements Service by setting a logger.

func (*BaseService) Start

func (bs *BaseService) Start() error

Start implements Service by calling OnStart (if defined). An error will be returned if the service is already running or stopped. Not to start the stopped service, you need to call Reset.

func (*BaseService) Stop

func (bs *BaseService) Stop() error

Stop implements Service by calling OnStop (if defined) and closing quit channel. An error will be returned if the service is already stopped.

func (*BaseService) String

func (bs *BaseService) String() string

String implements Service by returning a string representation of the service.

func (*BaseService) Wait

func (bs *BaseService) Wait()

Wait blocks until the service is stopped.

type BitArray

type BitArray struct {
	Bits  int      `json:"bits"`  // NOTE: persisted via reflect, must be exported
	Elems []uint64 `json:"elems"` // NOTE: persisted via reflect, must be exported
	// contains filtered or unexported fields
}

BitArray is a thread-safe implementation of a bit array.

func NewBitArray

func NewBitArray(bits int) *BitArray

NewBitArray returns a new bit array. It returns nil if the number of bits is zero.

func (*BitArray) And

func (bA *BitArray) And(o *BitArray) *BitArray

And returns a bit array resulting from a bitwise AND of the two bit arrays. If the two bit-arrys have different lengths, this truncates the larger of the two bit-arrays from the right. Thus the size of the return value is the minimum of the two provided bit arrays.

func (*BitArray) Bytes

func (bA *BitArray) Bytes() []byte

Bytes returns the byte representation of the bits within the bitarray.

func (*BitArray) Copy

func (bA *BitArray) Copy() *BitArray

Copy returns a copy of the provided bit array.

func (*BitArray) GetIndex

func (bA *BitArray) GetIndex(i int) bool

GetIndex returns the bit at index i within the bit array. The behavior is undefined if i >= bA.Bits

func (*BitArray) IsEmpty

func (bA *BitArray) IsEmpty() bool

IsEmpty returns true iff all bits in the bit array are 0

func (*BitArray) IsFull

func (bA *BitArray) IsFull() bool

IsFull returns true iff all bits in the bit array are 1.

func (*BitArray) MarshalJSON

func (bA *BitArray) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler interface by marshaling bit array using a custom format: a string of '-' or 'x' where 'x' denotes the 1 bit.

func (*BitArray) Not

func (bA *BitArray) Not() *BitArray

Not returns a bit array resulting from a bitwise Not of the provided bit array.

func (*BitArray) Or

func (bA *BitArray) Or(o *BitArray) *BitArray

Or returns a bit array resulting from a bitwise OR of the two bit arrays. If the two bit-arrys have different lengths, Or right-pads the smaller of the two bit-arrays with zeroes. Thus the size of the return value is the maximum of the two provided bit arrays.

func (*BitArray) PickRandom

func (bA *BitArray) PickRandom() (int, bool)

PickRandom returns a random index for a set bit in the bit array. If there is no such value, it returns 0, false. It uses the global randomness in `random.go` to get this index.

func (*BitArray) SetIndex

func (bA *BitArray) SetIndex(i int, v bool) bool

SetIndex sets the bit at index i within the bit array. The behavior is undefined if i >= bA.Bits

func (*BitArray) Size

func (bA *BitArray) Size() int

Size returns the number of bits in the bitarray

func (*BitArray) String

func (bA *BitArray) String() string

String returns a string representation of BitArray: BA{<bit-string>}, where <bit-string> is a sequence of 'x' (1) and '_' (0). The <bit-string> includes spaces and newlines to help people. For a simple sequence of 'x' and '_' characters with no spaces or newlines, see the MarshalJSON() method. Example: "BA{_x_}" or "nil-BitArray" for nil.

func (*BitArray) StringIndented

func (bA *BitArray) StringIndented(indent string) string

StringIndented returns the same thing as String(), but applies the indent at every 10th bit, and twice at every 50th bit.

func (*BitArray) Sub

func (bA *BitArray) Sub(o *BitArray) *BitArray

Sub subtracts the two bit-arrays bitwise, without carrying the bits. Note that carryless subtraction of a - b is (a and not b). The output is the same as bA, regardless of o's size. If bA is longer than o, o is right padded with zeroes

func (*BitArray) UnmarshalJSON

func (bA *BitArray) UnmarshalJSON(bz []byte) error

UnmarshalJSON implements json.Unmarshaler interface by unmarshaling a custom JSON description.

func (*BitArray) Update

func (bA *BitArray) Update(o *BitArray)

Update sets the bA's bits to be that of the other bit array. The copying begins from the begin of both bit arrays.

type CMap

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

CMap is a goroutine-safe map

func NewCMap

func NewCMap() *CMap

func (*CMap) Clear

func (cm *CMap) Clear()

func (*CMap) Delete

func (cm *CMap) Delete(key string)

func (*CMap) Get

func (cm *CMap) Get(key string) interface{}

func (*CMap) Has

func (cm *CMap) Has(key string) bool

func (*CMap) Keys

func (cm *CMap) Keys() []string

func (*CMap) Set

func (cm *CMap) Set(key string, value interface{})

func (*CMap) Size

func (cm *CMap) Size() int

func (*CMap) Values

func (cm *CMap) Values() []interface{}

type Error

type Error interface {
	Error() string
	Stacktrace() Error
	Trace(offset int, format string, args ...interface{}) Error
	Data() interface{}
}

Usage with arbitrary error data:

```go

// Error construction
type MyError struct{}
var err1 error = NewErrorWithData(MyError{}, "my message")
...
// Wrapping
var err2 error  = ErrorWrap(err1, "another message")
if (err1 != err2) { panic("should be the same")
...
// Error handling
switch err2.Data().(type){
	case MyError: ...
    default: ...
}

```

func ErrorWrap

func ErrorWrap(cause interface{}, format string, args ...interface{}) Error

func NewError

func NewError(format string, args ...interface{}) Error

New Error with formatted message. The Error's Data will be a FmtError type.

func NewErrorWithData

func NewErrorWithData(data interface{}) Error

New Error with specified data.

type FmtError

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

FmtError is the data type for NewError() (e.g. NewError().Data().(FmtError)) Theoretically it could be used to switch on the format string.

```go

// Error construction
var err1 error = NewError("invalid username %v", "BOB")
var err2 error = NewError("another kind of error")
...
// Error handling
switch err1.Data().(cmn.FmtError).Format() {
	case "invalid username %v": ...
	case "another kind of error": ...
    default: ...
}

```

func (FmtError) Error

func (fe FmtError) Error() string

func (FmtError) Format

func (fe FmtError) Format() string

func (FmtError) String

func (fe FmtError) String() string

type HexBytes

type HexBytes []byte

The main purpose of HexBytes is to enable HEX-encoding for json/encoding.

func (HexBytes) Bytes

func (bz HexBytes) Bytes() []byte

Allow it to fulfill various interfaces in light-client, etc...

func (HexBytes) Format

func (bz HexBytes) Format(s fmt.State, verb rune)

func (HexBytes) Marshal

func (bz HexBytes) Marshal() ([]byte, error)

Marshal needed for protobuf compatibility

func (HexBytes) MarshalJSON

func (bz HexBytes) MarshalJSON() ([]byte, error)

This is the point of Bytes.

func (HexBytes) String

func (bz HexBytes) String() string

func (*HexBytes) Unmarshal

func (bz *HexBytes) Unmarshal(data []byte) error

Unmarshal needed for protobuf compatibility

func (*HexBytes) UnmarshalJSON

func (bz *HexBytes) UnmarshalJSON(data []byte) error

This is the point of Bytes.

type KI64Pair

type KI64Pair struct {
	Key                  []byte   `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
	Value                int64    `protobuf:"varint,2,opt,name=value,proto3" json:"value,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

Define these here for compatibility but use tmlibs/common.KI64Pair.

func NewPopulatedKI64Pair

func NewPopulatedKI64Pair(r randyTypes, easy bool) *KI64Pair

func (*KI64Pair) Descriptor

func (*KI64Pair) Descriptor() ([]byte, []int)

func (*KI64Pair) Equal

func (this *KI64Pair) Equal(that interface{}) bool

func (*KI64Pair) GetKey

func (m *KI64Pair) GetKey() []byte

func (*KI64Pair) GetValue

func (m *KI64Pair) GetValue() int64

func (*KI64Pair) Marshal

func (m *KI64Pair) Marshal() (dAtA []byte, err error)

func (*KI64Pair) MarshalTo

func (m *KI64Pair) MarshalTo(dAtA []byte) (int, error)

func (*KI64Pair) ProtoMessage

func (*KI64Pair) ProtoMessage()

func (*KI64Pair) Reset

func (m *KI64Pair) Reset()

func (*KI64Pair) Size

func (m *KI64Pair) Size() (n int)

func (*KI64Pair) String

func (m *KI64Pair) String() string

func (*KI64Pair) Unmarshal

func (m *KI64Pair) Unmarshal(dAtA []byte) error

func (*KI64Pair) XXX_DiscardUnknown

func (m *KI64Pair) XXX_DiscardUnknown()

func (*KI64Pair) XXX_Marshal

func (m *KI64Pair) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*KI64Pair) XXX_Merge

func (dst *KI64Pair) XXX_Merge(src proto.Message)

func (*KI64Pair) XXX_Size

func (m *KI64Pair) XXX_Size() int

func (*KI64Pair) XXX_Unmarshal

func (m *KI64Pair) XXX_Unmarshal(b []byte) error

type KI64Pairs

type KI64Pairs []KI64Pair

func (KI64Pairs) Len

func (kvs KI64Pairs) Len() int

Sorting

func (KI64Pairs) Less

func (kvs KI64Pairs) Less(i, j int) bool

func (KI64Pairs) Sort

func (kvs KI64Pairs) Sort()

func (KI64Pairs) Swap

func (kvs KI64Pairs) Swap(i, j int)

type KVPair

type KVPair struct {
	Key                  []byte   `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
	Value                []byte   `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

Define these here for compatibility but use tmlibs/common.KVPair.

func NewPopulatedKVPair

func NewPopulatedKVPair(r randyTypes, easy bool) *KVPair

func (*KVPair) Descriptor

func (*KVPair) Descriptor() ([]byte, []int)

func (*KVPair) Equal

func (this *KVPair) Equal(that interface{}) bool

func (*KVPair) GetKey

func (m *KVPair) GetKey() []byte

func (*KVPair) GetValue

func (m *KVPair) GetValue() []byte

func (*KVPair) Marshal

func (m *KVPair) Marshal() (dAtA []byte, err error)

func (*KVPair) MarshalTo

func (m *KVPair) MarshalTo(dAtA []byte) (int, error)

func (*KVPair) ProtoMessage

func (*KVPair) ProtoMessage()

func (*KVPair) Reset

func (m *KVPair) Reset()

func (*KVPair) Size

func (m *KVPair) Size() (n int)

func (*KVPair) String

func (m *KVPair) String() string

func (*KVPair) Unmarshal

func (m *KVPair) Unmarshal(dAtA []byte) error

func (*KVPair) XXX_DiscardUnknown

func (m *KVPair) XXX_DiscardUnknown()

func (*KVPair) XXX_Marshal

func (m *KVPair) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*KVPair) XXX_Merge

func (dst *KVPair) XXX_Merge(src proto.Message)

func (*KVPair) XXX_Size

func (m *KVPair) XXX_Size() int

func (*KVPair) XXX_Unmarshal

func (m *KVPair) XXX_Unmarshal(b []byte) error

type KVPairs

type KVPairs []KVPair

func (KVPairs) Len

func (kvs KVPairs) Len() int

Sorting

func (KVPairs) Less

func (kvs KVPairs) Less(i, j int) bool

func (KVPairs) Sort

func (kvs KVPairs) Sort()

func (KVPairs) Swap

func (kvs KVPairs) Swap(i, j int)

type Rand

type Rand struct {
	sync.Mutex
	// contains filtered or unexported fields
}

Rand is a prng, that is seeded with OS randomness. The OS randomness is obtained from crypto/rand, however none of the provided methods are suitable for cryptographic usage. They all utilize math/rand's prng internally.

All of the methods here are suitable for concurrent use. This is achieved by using a mutex lock on all of the provided methods.

func NewRand

func NewRand() *Rand

func (*Rand) Bool

func (r *Rand) Bool() bool

Bool returns a uniformly random boolean

func (*Rand) Bytes

func (r *Rand) Bytes(n int) []byte

Bytes returns n random bytes generated from the internal prng.

func (*Rand) Float32

func (r *Rand) Float32() float32

func (*Rand) Float64

func (r *Rand) Float64() float64

func (*Rand) Int

func (r *Rand) Int() int

func (*Rand) Int16

func (r *Rand) Int16() int16

func (*Rand) Int31

func (r *Rand) Int31() int32

func (*Rand) Int31n

func (r *Rand) Int31n(n int32) int32

func (*Rand) Int32

func (r *Rand) Int32() int32

func (*Rand) Int63

func (r *Rand) Int63() int64

func (*Rand) Int63n

func (r *Rand) Int63n(n int64) int64

func (*Rand) Int64

func (r *Rand) Int64() int64

func (*Rand) Intn

func (r *Rand) Intn(n int) int

Intn returns, as an int, a uniform pseudo-random number in the range [0, n). It panics if n <= 0.

func (*Rand) Perm

func (r *Rand) Perm(n int) []int

Perm returns a pseudo-random permutation of n integers in [0, n).

func (*Rand) Seed

func (r *Rand) Seed(seed int64)

func (*Rand) Str

func (r *Rand) Str(length int) string

Str constructs a random alphanumeric string of given length.

func (*Rand) Time

func (r *Rand) Time() time.Time

func (*Rand) Uint

func (r *Rand) Uint() uint

func (*Rand) Uint16

func (r *Rand) Uint16() uint16

func (*Rand) Uint32

func (r *Rand) Uint32() uint32

func (*Rand) Uint64

func (r *Rand) Uint64() uint64

type Service

type Service interface {
	// Start the service.
	// If it's already started or stopped, will return an error.
	// If OnStart() returns an error, it's returned by Start()
	Start() error
	OnStart() error

	// Stop the service.
	// If it's already stopped, will return an error.
	// OnStop must never error.
	Stop() error
	OnStop()

	// Reset the service.
	// Panics by default - must be overwritten to enable reset.
	Reset() error
	OnReset() error

	// Return true if the service is running
	IsRunning() bool

	// Quit returns a channel, which is closed once service is stopped.
	Quit() <-chan struct{}

	// String representation of the service
	String() string

	// SetLogger sets a logger.
	SetLogger(log.Logger)
}

Service defines a service that can be started, stopped, and reset.

type Task

type Task func(i int) (val interface{}, err error, abort bool)

val: the value returned after task execution. err: the error returned during task completion. abort: tells Parallel to return, whether or not all tasks have completed.

type TaskResult

type TaskResult struct {
	Value interface{}
	Error error
}

type TaskResultCh

type TaskResultCh <-chan TaskResult

type TaskResultSet

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

func Parallel

func Parallel(tasks ...Task) (trs *TaskResultSet, ok bool)

Run tasks in parallel, with ability to abort early. Returns ok=false iff any of the tasks returned abort=true. NOTE: Do not implement quit features here. Instead, provide convenient concurrent quit-like primitives, passed implicitly via Task closures. (e.g. it's not Parallel's concern how you quit/abort your tasks).

func (*TaskResultSet) Channels

func (trs *TaskResultSet) Channels() []TaskResultCh

func (*TaskResultSet) FirstError

func (trs *TaskResultSet) FirstError() error

Returns the firstmost (by task index) error as discovered by all previous Reap() calls.

func (*TaskResultSet) FirstValue

func (trs *TaskResultSet) FirstValue() interface{}

Returns the firstmost (by task index) error as discovered by all previous Reap() calls.

func (*TaskResultSet) LatestResult

func (trs *TaskResultSet) LatestResult(index int) (TaskResult, bool)

func (*TaskResultSet) Reap

func (trs *TaskResultSet) Reap() *TaskResultSet

NOTE: Not concurrency safe. Writes results to trs.results without waiting for all tasks to complete.

func (*TaskResultSet) Wait

func (trs *TaskResultSet) Wait() *TaskResultSet

NOTE: Not concurrency safe. Like Reap() but waits until all tasks have returned or panic'd.

type ThrottleTimer

type ThrottleTimer struct {
	Name string
	Ch   chan struct{}
	// contains filtered or unexported fields
}

ThrottleTimer fires an event at most "dur" after each .Set() call. If a short burst of .Set() calls happens, ThrottleTimer fires once. If a long continuous burst of .Set() calls happens, ThrottleTimer fires at most once every "dur".

func NewThrottleTimer

func NewThrottleTimer(name string, dur time.Duration) *ThrottleTimer

func (*ThrottleTimer) Set

func (t *ThrottleTimer) Set()

func (*ThrottleTimer) Stop

func (t *ThrottleTimer) Stop() bool

For ease of .Stop()'ing services before .Start()'ing them, we ignore .Stop()'s on nil ThrottleTimers

func (*ThrottleTimer) Unset

func (t *ThrottleTimer) Unset()

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