63 lines
2.4 KiB
JavaScript
63 lines
2.4 KiB
JavaScript
|
"use strict";
|
||
|
|
var __importStar = (this && this.__importStar) || function (mod) {
|
||
|
|
if (mod && mod.__esModule) return mod;
|
||
|
|
var result = {};
|
||
|
|
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
|
||
|
|
result["default"] = mod;
|
||
|
|
return result;
|
||
|
|
};
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
// @TODO: Migrate this to a better named package...
|
||
|
|
var errors = __importStar(require("@ethersproject/errors"));
|
||
|
|
var bytes_1 = require("@ethersproject/bytes");
|
||
|
|
var strings_1 = require("@ethersproject/strings");
|
||
|
|
var keccak256_1 = require("@ethersproject/keccak256");
|
||
|
|
///////////////////////////////
|
||
|
|
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) {
|
||
|
|
if (typeof (name) !== "string") {
|
||
|
|
errors.throwError("invalid address - " + String(name), errors.INVALID_ARGUMENT, {
|
||
|
|
argument: "name",
|
||
|
|
value: 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)) {
|
||
|
|
errors.throwError("contains invalid UseSTD3ASCIIRules characters", errors.INVALID_ARGUMENT, {
|
||
|
|
argument: "name",
|
||
|
|
value: name
|
||
|
|
});
|
||
|
|
}
|
||
|
|
var result = Zeros;
|
||
|
|
while (name.length) {
|
||
|
|
var partition = name.match(Partition);
|
||
|
|
var label = strings_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(strings_1.toUtf8Bytes(text));
|
||
|
|
}
|
||
|
|
exports.id = id;
|
||
|
|
exports.messagePrefix = "\x19Ethereum Signed Message:\n";
|
||
|
|
function hashMessage(message) {
|
||
|
|
if (typeof (message) === "string") {
|
||
|
|
message = strings_1.toUtf8Bytes(message);
|
||
|
|
}
|
||
|
|
return keccak256_1.keccak256(bytes_1.concat([
|
||
|
|
strings_1.toUtf8Bytes(exports.messagePrefix),
|
||
|
|
strings_1.toUtf8Bytes(String(message.length)),
|
||
|
|
message
|
||
|
|
]));
|
||
|
|
}
|
||
|
|
exports.hashMessage = hashMessage;
|