93 lines
3.1 KiB
TypeScript
93 lines
3.1 KiB
TypeScript
/**
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* A [[HexString]] whose length is even, which ensures it is a valid
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* representation of binary data.
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*/
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export type DataHexString = string;
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/**
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* A string which is prefixed with ``0x`` and followed by any number
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* of case-agnostic hexadecimal characters.
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*
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* It must match the regular expression ``/0x[0-9A-Fa-f]*\/``.
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*/
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export type HexString = string;
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/**
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* An object that can be used to represent binary data.
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*/
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export type BytesLike = DataHexString | Uint8Array;
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/**
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* Get a typed Uint8Array for %%value%%. If already a Uint8Array
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* the original %%value%% is returned; if a copy is required use
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* [[getBytesCopy]].
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*
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* @see: getBytesCopy
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*/
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export declare function getBytes(value: BytesLike, name?: string): Uint8Array;
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/**
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* Get a typed Uint8Array for %%value%%, creating a copy if necessary
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* to prevent any modifications of the returned value from being
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* reflected elsewhere.
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*
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* @see: getBytes
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*/
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export declare function getBytesCopy(value: BytesLike, name?: string): Uint8Array;
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/**
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* Returns true if %%value%% is a valid [[HexString]].
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*
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* If %%length%% is ``true`` or a //number//, it also checks that
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* %%value%% is a valid [[DataHexString]] of %%length%% (if a //number//)
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* bytes of data (e.g. ``0x1234`` is 2 bytes).
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*/
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export declare function isHexString(value: any, length?: number | boolean): value is `0x${string}`;
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/**
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* Returns true if %%value%% is a valid representation of arbitrary
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* data (i.e. a valid [[DataHexString]] or a Uint8Array).
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*/
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export declare function isBytesLike(value: any): value is BytesLike;
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/**
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* Returns a [[DataHexString]] representation of %%data%%.
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*/
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export declare function hexlify(data: BytesLike): string;
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/**
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* Returns a [[DataHexString]] by concatenating all values
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* within %%data%%.
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*/
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export declare function concat(datas: ReadonlyArray<BytesLike>): string;
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/**
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* Returns the length of %%data%%, in bytes.
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*/
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export declare function dataLength(data: BytesLike): number;
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/**
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* Returns a [[DataHexString]] by slicing %%data%% from the %%start%%
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* offset to the %%end%% offset.
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*
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* By default %%start%% is 0 and %%end%% is the length of %%data%%.
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*/
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export declare function dataSlice(data: BytesLike, start?: number, end?: number): string;
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/**
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* Return the [[DataHexString]] result by stripping all **leading**
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** zero bytes from %%data%%.
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*/
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export declare function stripZerosLeft(data: BytesLike): string;
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/**
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* Return the [[DataHexString]] of %%data%% padded on the **left**
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* to %%length%% bytes.
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*
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* If %%data%% already exceeds %%length%%, a [[BufferOverrun]] is
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* thrown.
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*
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* This pads data the same as **values** are in Solidity
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* (e.g. ``uint128``).
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*/
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export declare function zeroPadValue(data: BytesLike, length: number): string;
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/**
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* Return the [[DataHexString]] of %%data%% padded on the **right**
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* to %%length%% bytes.
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*
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* If %%data%% already exceeds %%length%%, a [[BufferOverrun]] is
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* thrown.
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*
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* This pads data the same as **bytes** are in Solidity
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* (e.g. ``bytes16``).
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*/
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export declare function zeroPadBytes(data: BytesLike, length: number): string;
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