| 1 | /**
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| 2 | * Returns a `Boolean` on whether or not the a `String` starts with '0x'
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| 3 | * @param str the string input value
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| 4 | * @return a boolean if it is or is not hex prefixed
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| 5 | * @throws if the str input is not a string
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| 6 | */
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| 7 | export declare function isHexPrefixed(str: string): boolean;
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| 8 | /**
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| 9 | * Removes '0x' from a given `String` if present
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| 10 | * @param str the string value
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| 11 | * @returns the string without 0x prefix
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| 12 | */
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| 13 | export declare const stripHexPrefix: (str: string) => string;
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| 14 | /**
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| 15 | * Pads a `String` to have an even length
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| 16 | * @param value
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| 17 | * @return output
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| 18 | */
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| 19 | export declare function padToEven(value: string): string;
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| 20 | /**
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| 21 | * Get the binary size of a string
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| 22 | * @param str
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| 23 | * @returns the number of bytes contained within the string
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| 24 | */
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| 25 | export declare function getBinarySize(str: string): number;
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| 26 | /**
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| 27 | * Returns TRUE if the first specified array contains all elements
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| 28 | * from the second one. FALSE otherwise.
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| 29 | *
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| 30 | * @param superset
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| 31 | * @param subset
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| 32 | *
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| 33 | */
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| 34 | export declare function arrayContainsArray(superset: unknown[], subset: unknown[], some?: boolean): boolean;
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| 35 | /**
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| 36 | * Should be called to get ascii from its hex representation
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| 37 | *
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| 38 | * @param string in hex
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| 39 | * @returns ascii string representation of hex value
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| 40 | */
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| 41 | export declare function toAscii(hex: string): string;
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| 42 | /**
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| 43 | * Should be called to get hex representation (prefixed by 0x) of utf8 string
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| 44 | *
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| 45 | * @param string
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| 46 | * @param optional padding
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| 47 | * @returns hex representation of input string
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| 48 | */
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| 49 | export declare function fromUtf8(stringValue: string): string;
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| 50 | /**
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| 51 | * Should be called to get hex representation (prefixed by 0x) of ascii string
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| 52 | *
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| 53 | * @param string
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| 54 | * @param optional padding
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| 55 | * @returns hex representation of input string
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| 56 | */
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| 57 | export declare function fromAscii(stringValue: string): string;
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| 58 | /**
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| 59 | * Returns the keys from an array of objects.
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| 60 | * @example
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| 61 | * ```js
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| 62 | * getKeys([{a: '1', b: '2'}, {a: '3', b: '4'}], 'a') => ['1', '3']
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| 63 | *````
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| 64 | * @param params
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| 65 | * @param key
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| 66 | * @param allowEmpty
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| 67 | * @returns output just a simple array of output keys
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| 68 | */
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| 69 | export declare function getKeys(params: Record<string, string>[], key: string, allowEmpty?: boolean): string[];
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| 70 | /**
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| 71 | * Is the string a hex string.
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| 72 | *
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| 73 | * @param value
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| 74 | * @param length
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| 75 | * @returns output the string is a hex string
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| 76 | */
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| 77 | export declare function isHexString(value: string, length?: number): boolean;
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