@massalabs/massa-web3
Version:
massa's web3 sdk client
38 lines (37 loc) • 1.23 kB
TypeScript
export type U256_t = bigint;
export declare const SIZE_BYTE = 32;
export declare const SIZE_BIT: number;
export declare const MAX: bigint;
/**
* Converts a U256 value to bytes
*
* @param value - The number to convert
* @returns The bytes representation of the number
* @throws if the value is negative or too large for U256
*/
export declare function toBytes(value: U256_t): Uint8Array;
/**
* Converts bytes to a U256 value
*
* @param bytes - The bytes to convert
* @returns The U256 representation of the bytes
*/
export declare function fromBytes(bytes: Uint8Array): U256_t;
/**
* Converts a U256 value to a number
* @param buffer - The buffer to read from
* @param offset - The optional offset in the buffer at which to start reading the U256 value (default: 0)
* @returns The U256 representation of the bytes
*/
export declare function fromBuffer(buffer: Uint8Array, offset: number): {
value: U256_t;
offset: number;
};
/**
* Converts a number to a U256 value
*
* @param value - The number to convert
* @returns The U256 representation of the number
* @throws if the value is not a safe integer, negative or too large for U256
*/
export declare function fromNumber(value: number | bigint): U256_t;