dfeeds/hexutil/index.js

Portable data feed structures on top of decentralized storage

module.exports = {
	hexToArray: hexToArray,
	arrayToHex: arrayToHex,
}

function hexToArray(data) {
	let databuf = new ArrayBuffer(data.length / 2);
	let uintdata = new Uint8Array(databuf);
	for (let i = 0; i < uintdata.length; i++) {
		uintdata[i] = parseInt(data.substring(i*2,(i*2)+2), 16);
	}
	return uintdata;
}

function arrayToHex(data) {
	let hexout = '';
	data.forEach(function(n) {
		let h = n.toString(16);
		if (h.length == 1) {
			h = "0" + h;
		}
		hexout += h;
	});
	return hexout;
}