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add hex stuff, remove old wasi benchmark folder
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Original file line number | Diff line number | Diff line change |
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package substreams | ||
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import ( | ||
"bytes" | ||
"io" | ||
) | ||
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var LowerHexBytes = [256]string{ | ||
"00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "0a", "0b", "0c", "0d", "0e", "0f", | ||
"10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "1a", "1b", "1c", "1d", "1e", "1f", | ||
"20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "2a", "2b", "2c", "2d", "2e", "2f", | ||
"30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3a", "3b", "3c", "3d", "3e", "3f", | ||
"40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "4a", "4b", "4c", "4d", "4e", "4f", | ||
"50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "5a", "5b", "5c", "5d", "5e", "5f", | ||
"60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "6a", "6b", "6c", "6d", "6e", "6f", | ||
"70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "7a", "7b", "7c", "7d", "7e", "7f", | ||
"80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "8a", "8b", "8c", "8d", "8e", "8f", | ||
"90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "9a", "9b", "9c", "9d", "9e", "9f", | ||
"a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9", "aa", "ab", "ac", "ad", "ae", "af", | ||
"b0", "b1", "b2", "b3", "b4", "b5", "b6", "b7", "b8", "b9", "ba", "bb", "bc", "bd", "be", "bf", | ||
"c0", "c1", "c2", "c3", "c4", "c5", "c6", "c7", "c8", "c9", "ca", "cb", "cc", "cd", "ce", "cf", | ||
"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8", "d9", "da", "db", "dc", "dd", "de", "df", | ||
"e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7", "e8", "e9", "ea", "eb", "ec", "ed", "ee", "ef", | ||
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "fa", "fb", "fc", "fd", "fe", "ff", | ||
} | ||
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// RemoveHexPrefix removes the "0x" prefix from a byte slice. | ||
func RemoveHexPrefix(data []byte) []byte { | ||
if len(data) >= 2 && data[0] == '0' && data[1] == 'x' { | ||
return data[2:] | ||
} | ||
return data | ||
} | ||
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// WriteLowerHex writes the hexadecimal representation of a byte slice. | ||
func WriteLowerHex(input []byte, w io.Writer) error { | ||
for _, b := range input { | ||
if _, err := w.Write([]byte(LowerHexBytes[b])); err != nil { | ||
return err | ||
} | ||
} | ||
return nil | ||
} | ||
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// EncodeLowerHex encodes the input byte slice into a lower hexadecimal string. | ||
func EncodeLowerHex(input []byte) string { | ||
if len(input) == 0 { | ||
return "" | ||
} | ||
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var buffer bytes.Buffer | ||
buffer.Grow(len(input) * 2) // Each byte will be represented by two hexadecimal characters | ||
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err := WriteLowerHex(input, &buffer) | ||
if err != nil { | ||
// Since we're working with a pre-allocated buffer, this error should not occur | ||
panic("non-fallible pre-allocated buffer") | ||
} | ||
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return buffer.String() | ||
} |