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58 lines
1.2 KiB
58 lines
1.2 KiB
package util |
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import ( |
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"encoding/hex" |
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"math/big" |
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"time" |
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"unicode/utf8" |
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"github.com/sammy007/monero-stratum/cnutil" |
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) |
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var Diff1 = StringToBig("0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF") |
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func StringToBig(h string) *big.Int { |
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n := new(big.Int) |
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n.SetString(h, 0) |
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return n |
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} |
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func MakeTimestamp() int64 { |
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return time.Now().UnixNano() / int64(time.Millisecond) |
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} |
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func GetTargetHex(diff int64) string { |
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padded := make([]byte, 32) |
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diffBuff := new(big.Int).Div(Diff1, big.NewInt(diff)).Bytes() |
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copy(padded[32-len(diffBuff):], diffBuff) |
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buff := padded[0:4] |
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targetHex := hex.EncodeToString(reverse(buff)) |
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return targetHex |
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} |
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func GetHashDifficulty(hashBytes []byte) *big.Int { |
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diff := new(big.Int) |
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diff.SetBytes(reverse(hashBytes)) |
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return diff.Div(Diff1, diff) |
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} |
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func ValidateAddress(addy string, poolAddy string) bool { |
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if len(addy) != len(poolAddy) { |
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return false |
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} |
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prefix, _ := utf8.DecodeRuneInString(addy) |
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poolPrefix, _ := utf8.DecodeRuneInString(poolAddy) |
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if prefix != poolPrefix { |
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return false |
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} |
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return cnutil.ValidateAddress(addy) |
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} |
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func reverse(src []byte) []byte { |
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dst := make([]byte, len(src)) |
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for i := len(src); i > 0; i-- { |
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dst[len(src)-i] = src[i-1] |
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} |
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return dst |
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}
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