deth/dist/esm/primitives/Quantity.js

Ethereum node focused on Developer Experience

import { BN } from 'ethereumjs-util';
// eslint-disable-next-line
import { BigNumber } from 'ethers/utils';
const HEX_NO_LEADING_ZERO_REGEX = /^0x[1-9a-fA-F][\da-fA-F]*$/;
export function makeQuantity(value) {
    if (value === '0x' || value === '0x0') {
        return '0x0';
    }
    if (!HEX_NO_LEADING_ZERO_REGEX.test(value)) {
        throw new TypeError(`Value "${value}" is not a valid hex number (leading zeroes)`);
    }
    return value.toLowerCase();
}
export function bufferToQuantity(buffer) {
    return bnToQuantity(new BN(buffer));
}
export function bnToQuantity(bn) {
    return makeQuantity('0x' + bn.toString(16));
}
export function numberToQuantity(number) {
    return makeQuantity('0x' + number.toString(16));
}
/**
 * NOTE: this might throw when dealing with big number
 */
export function quantityToNumber(quantity) {
    return new BigNumber(quantity).toNumber();
}