2018-06-18 05:42:41 -04:00
|
|
|
'use strict';
|
|
|
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
|
|
|
var bytes_1 = require("./bytes");
|
|
|
|
|
var utf8_1 = require("./utf8");
|
|
|
|
|
var keccak256_1 = require("./keccak256");
|
2018-07-30 18:59:52 -04:00
|
|
|
///////////////////////////////
|
2018-06-18 05:42:41 -04:00
|
|
|
var Zeros = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
|
|
|
|
|
var Partition = new RegExp("^((.*)\\.)?([^.]+)$");
|
|
|
|
|
var UseSTD3ASCIIRules = new RegExp("^[a-z0-9.-]*$");
|
|
|
|
|
function namehash(name) {
|
|
|
|
|
name = name.toLowerCase();
|
|
|
|
|
// Supporting the full UTF-8 space requires additional (and large)
|
|
|
|
|
// libraries, so for now we simply do not support them.
|
|
|
|
|
// It should be fairly easy in the future to support systems with
|
|
|
|
|
// String.normalize, but that is future work.
|
|
|
|
|
if (!name.match(UseSTD3ASCIIRules)) {
|
|
|
|
|
throw new Error('contains invalid UseSTD3ASCIIRules characters');
|
|
|
|
|
}
|
|
|
|
|
var result = Zeros;
|
|
|
|
|
while (name.length) {
|
|
|
|
|
var partition = name.match(Partition);
|
|
|
|
|
var label = utf8_1.toUtf8Bytes(partition[3]);
|
|
|
|
|
result = keccak256_1.keccak256(bytes_1.concat([result, keccak256_1.keccak256(label)]));
|
|
|
|
|
name = partition[2] || '';
|
|
|
|
|
}
|
|
|
|
|
return bytes_1.hexlify(result);
|
|
|
|
|
}
|
|
|
|
|
exports.namehash = namehash;
|
|
|
|
|
function id(text) {
|
|
|
|
|
return keccak256_1.keccak256(utf8_1.toUtf8Bytes(text));
|
|
|
|
|
}
|
|
|
|
|
exports.id = id;
|
|
|
|
|
function hashMessage(message) {
|
|
|
|
|
var payload = bytes_1.concat([
|
|
|
|
|
utf8_1.toUtf8Bytes('\x19Ethereum Signed Message:\n'),
|
|
|
|
|
utf8_1.toUtf8Bytes(String(message.length)),
|
|
|
|
|
((typeof (message) === 'string') ? utf8_1.toUtf8Bytes(message) : message)
|
|
|
|
|
]);
|
|
|
|
|
return keccak256_1.keccak256(payload);
|
|
|
|
|
}
|
|
|
|
|
exports.hashMessage = hashMessage;
|
