utils/utils
library
Functions
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base64Decode(String value)
→ Uint8List
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base64Encode(dynamic value)
→ String
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base64Pad(String value)
→ String
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base64Trim(String value)
→ String
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base64Validate(String? value)
→ bool
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bitnot(BigInt bn, {int? bitLength})
→ BigInt
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bnMax(List<BigInt> list)
→ BigInt
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bnMin(List<BigInt> list)
→ BigInt
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bnSqrt(BigInt bn)
→ BigInt
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bnToBn(dynamic value)
→ BigInt
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bnToHex(BigInt bn, {int bitLength = -1, Endian endian = Endian.big, bool isNegative = false})
→ String
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bnToU8a(BigInt? value, {int bitLength = -1, Endian endian = Endian.little, bool isNegative = false})
→ Uint8List
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bytesToHex(List<int> bytes, {bool include0x = false})
→ String
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Converts the
bytes given as a list of integers into a hexadecimal
representation.
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bytesToInt(List<int> bytes)
→ BigInt
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Converts the bytes from that list (big endian) to a BigInt.
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compactToBn(Map<String, dynamic> value)
→ BigInt
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convertArray(List<int> arr)
→ Uint8List
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convertString(String str, {bool useDartEncode = true})
→ Uint8List
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decodeBigInt(List<int> bytes, {Endian endian = Endian.little})
→ BigInt
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encodeBigInt(BigInt number, {Endian endian = Endian.little, int? bitLength})
→ Uint8List
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flatternArray<T>(List<List<T>> list)
→ List<T>
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getRandomValues([int length = DEFAULT_LENGTH])
→ Uint8List
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hexAddPrefix(String? value)
→ String
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hexFixLength(String value, [int bitLength = -1, bool withPadding = false])
→ String
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hexHasPrefix(String value)
→ bool
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hexStripPrefix(String value)
→ String
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hexToBn(dynamic value, {Endian endian = Endian.big, bool isNegative = false})
→ BigInt
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hexToBytes(String hexStr)
→ List<int>
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sequence.
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hexToNumber(dynamic value)
→ int?
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hexToPlainText(String hex)
→ String
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hexToString(String value)
→ String
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hexToU8a(String value, [int bitLength = -1])
→ Uint8List
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value sholud be
0x hex
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hexToU8aStream(String value)
→ Uint8List
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isAddress(String str)
→ bool
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isAscii(dynamic value)
→ bool
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isBase64(String value)
→ bool
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isBech32(String str)
→ bool
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isBigInt(dynamic value)
→ bool
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isBn(dynamic value)
→ bool
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isBoolean(dynamic value)
→ bool
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isBuffer(dynamic value)
→ bool
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isByteString(String byStr, {required int length})
→ bool
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isError(dynamic value)
→ bool
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isFunction(dynamic value)
→ bool
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isHex(dynamic value, [int bitLength = -1, bool ignoreLength = false])
→ bool
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isHexadecimal(String str)
→ bool
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isHexString(String str)
→ bool
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isIp(String value, String type)
→ bool
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isJsonObject(dynamic value)
→ bool
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isNull(dynamic value)
→ bool
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isNumber(dynamic value)
→ bool
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isObject(dynamic value)
→ bool
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isObservable(dynamic value)
→ bool
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isPrivateKey(String str)
→ bool
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isPublicKey(String str)
→ bool
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isSignature(String str)
→ bool
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isString(dynamic value)
→ bool
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isTestChain(String value)
→ bool
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isU8a(dynamic value)
→ bool
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isUrl(String url)
→ bool
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isUtf8(dynamic value)
→ bool
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log2(num x)
→ num
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makeBigIntToString(Map input)
→ Map
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newtonIteration(BigInt n, BigInt x0)
→ BigInt
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numberToHex(dynamic number, {bool pad = false, bool include0x = false, int? forcePadLen})
→ String
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Converts the
number, which can either be a dart int or a BigInt,
into a hexadecimal representation. The number needs to be positive or zero.
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plainTextToHex(String plainText)
→ String
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randomAsHex([int length = 32])
→ String
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randomAsNumber()
→ int
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randomAsU8a([int length = DEFAULT_LENGTH])
→ Uint8List
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stringCamelCase(String value)
→ String
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stringLowerFirst(String value)
→ String
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stringShorten(String value, {int prefixLength = 6})
→ String
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stringToU8a(String msg, {String? enc, bool useDartEncode = true})
→ Uint8List
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stringUpperFirst(String value)
→ String
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strip0xHex(String hex)
→ String
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textDecoder(Uint8List value)
→ String
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textEncoder(String value)
→ Uint8List
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toHex(dynamic msg)
→ String
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u8aConcat(List list)
→ Uint8List
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u8aEq(Uint8List a, Uint8List b)
→ bool
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u8aFixLength(Uint8List value, {int bitLength = -1, bool atStart = false})
→ Uint8List
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u8aSorted(List<Uint8List> u8as)
→ List<Uint8List>
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u8aToBn(Uint8List u8a, {Endian endian = Endian.little, bool isNegative = false})
→ BigInt
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u8aToBuffer(Uint8List u8a)
→ ByteBuffer
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u8aToHex(Uint8List u8a, {bool include0x = true})
→ String
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u8aToString(Uint8List u8a, {bool useDartEncode = false})
→ String
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u8aToU8a(dynamic value, {bool useDartEncode = true})
→ Uint8List
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zero2(dynamic word)
→ String
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