MetaMask/eth-sig-util

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A collection of functions for signing and verifying data with Ethereum keys.

Stars: 583
Forks: 228
Open beginner issues: 0
Indexed issues: 24
Avg merge: 11h 22m
Merged PRs (30d): 7

Dominant language: TypeScript
License: ISC
Last GitHub push: Sep 3, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

24 open issues indexed

tsconfig: Target ES2020 instead of ES2017 Open

team-wallet-framework

Difficulty 1/5 Under an hour Newbie friendliness 50/100

MetaMask/eth-sig-util#353 · Opened Nov 15, 2023
tsconfig: Disable `strictNullChecks`, enable `strict` Open

team-wallet-framework

Difficulty 1/5 Under an hour Newbie friendliness 55/100

MetaMask/eth-sig-util#352 · Opened Nov 15, 2023
Verifying Contract in eth_signTypedData Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MetaMask/eth-sig-util#328 · Opened Jul 25, 2023
Production build error: Can't convert a BigInt value to a number Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

MetaMask/eth-sig-util#304 · 4 comments · 4 reactions · Opened Apr 1, 2023
Bool encoding ("0" & "false") discrepancy on TypedDataUtils.eip712Hash Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

MetaMask/eth-sig-util#303 · Opened Mar 21, 2023
Cannot convert a BigInt value to a number Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 30/100

MetaMask/eth-sig-util#298 · 9 comments · Opened Feb 17, 2023
Throw away tweetnacl and tweetnacl-util Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MetaMask/eth-sig-util#289 · Opened Dec 14, 2022
Remove bn.js Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

MetaMask/eth-sig-util#269 · 2 reactions · Opened Sep 13, 2022
Additional `version` options for `encrypt` and `decrypt` possible? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

MetaMask/eth-sig-util#259 · Opened Jul 18, 2022
Update sign-typed-data.js file to support signTypedData_v4 Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

MetaMask/eth-sig-util#257 · 1 reaction · Opened Jun 23, 2022
der.ts:6 Uncaught ReferenceError: Buffer is not defined Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MetaMask/eth-sig-util#255 · 2 comments · Opened Jun 20, 2022
Public Key format difference between `extractPublicKey` and `encrypt` question Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

MetaMask/eth-sig-util#239 · 2 comments · Opened Mar 29, 2022
personal_sign returned signature can not verify ethers.utils.VerifyMessage. Open

needs-investigation

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MetaMask/eth-sig-util#238 · Opened Mar 29, 2022
Ether js signedTypeData & metamask sig utils signedTypeData_v4 producing different signature Open

needs-investigation

Difficulty 3/5 1-2 days Newbie friendliness 38/100

MetaMask/eth-sig-util#236 · 3 comments · Opened Mar 22, 2022
Add solidity tests for signatures Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MetaMask/eth-sig-util#223 · 1 comment · 2 reactions · Opened Oct 14, 2021
`signTypedData` ambiguous input encoding Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

MetaMask/eth-sig-util#210 · Opened Sep 16, 2021
`signTypedData` input validation Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

MetaMask/eth-sig-util#209 · 1 comment · Opened Sep 16, 2021
Improve unit test coverage Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MetaMask/eth-sig-util#208 · Opened Sep 16, 2021
ABI encoding is out of date Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MetaMask/eth-sig-util#134 · 1 comment · 1 reaction · Opened Mar 12, 2021
signTypedData_v4 not according to specification Open

bug team-wallet-framework

MetaMask/eth-sig-util#106 · 8 reactions · 1 assignee · Opened Oct 29, 2020
Add working decryption failure test Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MetaMask/eth-sig-util#75 · Opened Jan 9, 2020
Personal sign decoding and hashing inconsistency Open

bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

MetaMask/eth-sig-util#60 · 1 comment · 2 reactions · Opened Sep 17, 2019
Address recovery broke in 2.2.0 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MetaMask/eth-sig-util#56 · 4 comments · 3 reactions · Opened Jul 10, 2019
signTypedData: `uint` and `int` fields should be forbidden Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

MetaMask/eth-sig-util#55 · 1 comment · 2 reactions · Opened Jun 18, 2019

MetaMask/eth-sig-util

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