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mobile: added constructor for big int #21597

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merged 2 commits into from
Sep 28, 2020
Merged

mobile: added constructor for big int #21597

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2ccb8a1
mobile: added constructor for big int
MariusVanDerWijden Sep 22, 2020
c8aa7a7
mobile: tiny nitpick
MariusVanDerWijden Sep 24, 2020
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10 changes: 10 additions & 0 deletions mobile/big.go
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,16 @@ func NewBigInt(x int64) *BigInt {
return &BigInt{big.NewInt(x)}
}

// NewBigIntFromString allocates and returns a new BigInt set to x
// interpreted in the provided base.
func NewBigIntFromString(x string, base int) *BigInt {
b, success := big.NewInt(0).SetString(x, base)
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if !success {
return nil
}
return &BigInt{b}
}

// GetBytes returns the absolute value of x as a big-endian byte slice.
func (bi *BigInt) GetBytes() []byte {
return bi.bigint.Bytes()
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