@massalabs/massa-web3
Version:
massa's web3 sdk client
56 lines • 1.97 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.fromNumber = exports.fromBuffer = exports.fromBytes = exports.toBytes = exports.MAX = exports.MIN = exports.SIZE_BIT = exports.SIZE_BYTE = void 0;
const integers_1 = require("./integers");
exports.SIZE_BYTE = 32;
exports.SIZE_BIT = 256;
exports.MIN = -(1n << (BigInt(exports.SIZE_BIT) - 1n));
exports.MAX = (1n << (BigInt(exports.SIZE_BIT) - 1n)) - 1n;
/**
* Converts an I256 value to bytes
*
* @param value - The number to convert
* @returns The bytes representation of the number
* @throws if the value is out of range for I256
*/
function toBytes(value) {
return (0, integers_1.integerToByte)(exports.SIZE_BIT, value, true);
}
exports.toBytes = toBytes;
/**
* Converts bytes to an I256 value
*
* @remarks
* Silently ignores bytes that are not needed to represent the I256 value.
*
* @param bytes - The bytes to convert
* @returns The I256 representation of the bytes
*/
function fromBytes(bytes) {
return (0, integers_1.integerFromByte)(exports.SIZE_BIT, bytes, true);
}
exports.fromBytes = fromBytes;
/**
* Converts an I256 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 I256 value (default: 0)
* @returns The I256 representation of the bytes
*/
function fromBuffer(buffer, offset) {
const value = (0, integers_1.integerFromByte)(exports.SIZE_BIT, buffer, true, offset);
offset += exports.SIZE_BYTE;
return { value, offset };
}
exports.fromBuffer = fromBuffer;
/**
* Converts a number to an I256 value
*
* @param value - The number to convert
* @returns The I256 representation of the number
* @throws if the value is not a safe integer or out of range for I256
*/
function fromNumber(value) {
return (0, integers_1.numberToInteger)(exports.SIZE_BIT, value, true);
}
exports.fromNumber = fromNumber;
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