tornado-packages/ethers.js
1
0
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fixed isBytes check for invalid length or elements (#1964).

Browse Source
This commit is contained in:
Richard Moore 2021-10-04 11:21:43 -04:00
parent f8adf82e16
commit 7a404fb8ed
No known key found for this signature in database
GPG Key ID: 665176BE8E9DC651
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
packages/bytes/src.ts/index.ts
View File

@ -70,18 +70,20 @@ export function isBytesLike(value: any): value is BytesLike {
return ((isHexString(value) && !(value.length % 2)) || isBytes(value));
}
function isInteger(value: number) {
return (typeof(value) === "number" && value == value && (value % 1) === 0);
}
export function isBytes(value: any): value is Bytes {
if (value == null) { return false; }
if (value.constructor === Uint8Array) { return true; }
if (typeof(value) === "string") { return false; }
if (value.length == null) { return false; }
if (!isInteger(value.length) || value.length < 0) { return false; }
for (let i = 0; i < value.length; i++) {
const v = value[i];
if (typeof(v) !== "number" || v < 0 || v >= 256 || (v % 1)) {
return false;
}
if (!isInteger(v) || v < 0 || v >= 256) { return false; }
}
return true;
}