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fixed test to adjust to block reward and penalty (#683)
* fixed test to adjust to block reward and penalty when distribution loses a few lerners due to round up * refactored ut to use random with timestamp as seed + revised UT * removed check for routines leak * increased randomness of transactions so that there will be no double transactions in same layer * fixed gomod
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package rand | ||
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| import ( | ||
| "math/rand" | ||
| "time" | ||
| ) | ||
|
|
||
| /* | ||
| * Top-level convenience functions | ||
| */ | ||
|
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| var globalRand = rand.New(rand.NewSource(time.Now().UnixNano()).(rand.Source64)) | ||
|
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| // Seed uses the provided seed value to initialize the default Source to a | ||
| // deterministic state. If Seed is not called, the generator behaves as | ||
| // if seeded by Seed(1). Seed values that have the same remainder when | ||
| // divided by 2^31-1 generate the same pseudo-random sequence. | ||
| // Seed, unlike the Rand.Seed method, is safe for concurrent use. | ||
| func Seed(seed int64) { globalRand.Seed(seed) } | ||
|
|
||
| // Int63 returns a non-negative pseudo-random 63-bit integer as an int64 | ||
| // from the default Source. | ||
| func Int63() int64 { return globalRand.Int63() } | ||
|
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| // Uint32 returns a pseudo-random 32-bit value as a uint32 | ||
| // from the default Source. | ||
| func Uint32() uint32 { return globalRand.Uint32() } | ||
|
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| // Uint64 returns a pseudo-random 64-bit value as a uint64 | ||
| // from the default Source. | ||
| func Uint64() uint64 { return globalRand.Uint64() } | ||
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| // Int31 returns a non-negative pseudo-random 31-bit integer as an int32 | ||
| // from the default Source. | ||
| func Int31() int32 { return globalRand.Int31() } | ||
|
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| // Int returns a non-negative pseudo-random int from the default Source. | ||
| func Int() int { return globalRand.Int() } | ||
|
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| // Int63n returns, as an int64, a non-negative pseudo-random number in [0,n) | ||
| // from the default Source. | ||
| // It panics if n <= 0. | ||
| func Int63n(n int64) int64 { return globalRand.Int63n(n) } | ||
|
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| // Int31n returns, as an int32, a non-negative pseudo-random number in [0,n) | ||
| // from the default Source. | ||
| // It panics if n <= 0. | ||
| func Int31n(n int32) int32 { return globalRand.Int31n(n) } | ||
|
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| // Intn returns, as an int, a non-negative pseudo-random number in [0,n) | ||
| // from the default Source. | ||
| // It panics if n <= 0. | ||
| func Intn(n int) int { return globalRand.Intn(n) } | ||
|
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| // Float64 returns, as a float64, a pseudo-random number in [0.0,1.0) | ||
| // from the default Source. | ||
| func Float64() float64 { return globalRand.Float64() } | ||
|
|
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| // Float32 returns, as a float32, a pseudo-random number in [0.0,1.0) | ||
| // from the default Source. | ||
| func Float32() float32 { return globalRand.Float32() } | ||
|
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| // Perm returns, as a slice of n ints, a pseudo-random permutation of the integers [0,n) | ||
| // from the default Source. | ||
| func Perm(n int) []int { return globalRand.Perm(n) } | ||
|
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| // Shuffle pseudo-randomizes the order of elements using the default Source. | ||
| // n is the number of elements. Shuffle panics if n < 0. | ||
| // swap swaps the elements with indexes i and j. | ||
| func Shuffle(n int, swap func(i, j int)) { globalRand.Shuffle(n, swap) } | ||
|
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| // Read generates len(p) random bytes from the default Source and | ||
| // writes them into p. It always returns len(p) and a nil error. | ||
| // Read, unlike the Rand.Read method, is safe for concurrent use. | ||
| func Read(p []byte) (n int, err error) { return globalRand.Read(p) } | ||
|
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| // NormFloat64 returns a normally distributed float64 in the range | ||
| // [-math.MaxFloat64, +math.MaxFloat64] with | ||
| // standard normal distribution (mean = 0, stddev = 1) | ||
| // from the default Source. | ||
| // To produce a different normal distribution, callers can | ||
| // adjust the output using: | ||
| // | ||
| // sample = NormFloat64() * desiredStdDev + desiredMean | ||
| // | ||
| func NormFloat64() float64 { return globalRand.NormFloat64() } | ||
|
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| // ExpFloat64 returns an exponentially distributed float64 in the range | ||
| // (0, +math.MaxFloat64] with an exponential distribution whose rate parameter | ||
| // (lambda) is 1 and whose mean is 1/lambda (1) from the default Source. | ||
| // To produce a distribution with a different rate parameter, | ||
| // callers can adjust the output using: | ||
| // | ||
| // sample = ExpFloat64() / desiredRateParameter | ||
| // | ||
| func ExpFloat64() float64 { return globalRand.ExpFloat64() } |
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