@okxweb3/coin-ethereum
Version:
An Ethereum SDK for building Web3 wallets and applications.
71 lines • 2.38 kB
JavaScript
;
(function (root, f) {
'use strict';
if (typeof module !== 'undefined' && module.exports)
module.exports = f();
else if (root.nacl)
root.nacl.util = f();
else {
root.nacl = {};
root.nacl.util = f();
}
}(this, function () {
'use strict';
var util = {};
function validateBase64(s) {
if (!(/^(?:[A-Za-z0-9+\/]{2}[A-Za-z0-9+\/]{2})*(?:[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=)?$/.test(s))) {
throw new TypeError('invalid encoding');
}
}
util.decodeUTF8 = function (s) {
if (typeof s !== 'string')
throw new TypeError('expected string');
var i, d = unescape(encodeURIComponent(s)), b = new Uint8Array(d.length);
for (i = 0; i < d.length; i++)
b[i] = d.charCodeAt(i);
return b;
};
util.encodeUTF8 = function (arr) {
var i, s = [];
for (i = 0; i < arr.length; i++)
s.push(String.fromCharCode(arr[i]));
return decodeURIComponent(escape(s.join('')));
};
if (typeof atob === 'undefined') {
if (typeof Buffer.from !== 'undefined') {
util.encodeBase64 = function (arr) {
return Buffer.from(arr).toString('base64');
};
util.decodeBase64 = function (s) {
validateBase64(s);
return new Uint8Array(Array.prototype.slice.call(Buffer.from(s, 'base64'), 0));
};
}
else {
util.encodeBase64 = function (arr) {
return (new Buffer(arr)).toString('base64');
};
util.decodeBase64 = function (s) {
validateBase64(s);
return new Uint8Array(Array.prototype.slice.call(new Buffer(s, 'base64'), 0));
};
}
}
else {
util.encodeBase64 = function (arr) {
var i, s = [], len = arr.length;
for (i = 0; i < len; i++)
s.push(String.fromCharCode(arr[i]));
return btoa(s.join(''));
};
util.decodeBase64 = function (s) {
validateBase64(s);
var i, d = atob(s), b = new Uint8Array(d.length);
for (i = 0; i < d.length; i++)
b[i] = d.charCodeAt(i);
return b;
};
}
return util;
}));
//# sourceMappingURL=nacl-util.js.map