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neow3j

3 indexed repositories · View on GitHub

neow3j
Java/Kotlin/Android Development Toolkit for the Neo Blockchain

Java · 144 stars
neow3j-examples-java
neow3j: Java Examples

Java · 13 stars
neow3j-docs
neow3j Documentation and Tutorials

7 stars

Beginner friendly Everything

Open All

Add direct stack item script hash accessor Open

feature sdk

neow3j/neow3j#1175 · 1 assignee · Opened Aug 3, 2026
Add public-key account identity helpers Open

feature sdk

neow3j/neow3j#1174 · 1 assignee · Opened Aug 3, 2026
Introduce submitted transaction result object Open

feature sdk

neow3j/neow3j#1173 · 1 assignee · Opened Aug 3, 2026
Add transaction sign-send-await convenience API Open

feature sdk

neow3j/neow3j#1172 · 1 assignee · Opened Aug 3, 2026
Improve signer validation errors in transaction building/signing Open

maintenance sdk

neow3j/neow3j#1171 · 1 assignee · Opened Aug 3, 2026
Add signer capability checks Open

feature sdk

neow3j/neow3j#1170 · 1 assignee · Opened Aug 3, 2026
Fix neo-express' fastForward integration test Open

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

neow3j/neow3j#1142 · Opened Jan 27, 2026
Add native `StdLib` interface in SDK Open

beginner feature

Difficulty 4/5 3-5 days Newbie friendliness 38/100

neow3j/neow3j#1125 · Opened Sep 17, 2025
Run JavaDoc checker in the CICD for a PR Open

feature

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

neow3j/neow3j#1121 · Opened May 29, 2025
Support new native Notary contract Open

abandoned feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

neow3j/neow3j#1114 · 2 comments · Opened Apr 29, 2025
[Notary] Add `NotaryAssisted` transaction attribute Open

abandoned feature sdk

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

neow3j/neow3j#1108 · Opened Apr 28, 2025
Add a Gradle task for automatically applying standard code formatting rules Open

beginner

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

neow3j/neow3j#1076 · 2 comments · Opened Oct 15, 2024
Use the term `datoshi` instead of `fractions` Open

beginner maintenance sdk

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

neow3j/neow3j#1069 · 2 comments · Opened Jul 31, 2024
Support Koblitz-based and Keccak256-based custom witness verification Open

devpack feature sdk

neow3j/neow3j#1059 · 1 assignee · Opened May 10, 2024
The `io.neow3j.devpack.Account` class' name is misleading Open

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

neow3j/neow3j#1053 · 1 reaction · Opened Apr 25, 2024
Create a guided tutorial for setting up a smart contract project with neow3j Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

neow3j/neow3j#1072 · Opened Apr 22, 2024
Add or update neow3j docs on tools to use for smart contract dev Open

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

neow3j/neow3j#1073 · Opened Apr 22, 2024
Add boilerplate repo for Android development Open

beginner dev-wishlist sdk

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

neow3j/neow3j#1041 · Opened Mar 14, 2024
Check for NEP-11 standard adherence at compile time Open

devpack feature intermediate

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

neow3j/neow3j#1040 · Opened Mar 4, 2024
Check for NEP-17 standard adherence at compile time Open

devpack feature intermediate

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

neow3j/neow3j#1039 · 1 reaction · Opened Mar 4, 2024
Add Documentation for native Contracts' Interface Classes in Devpack Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

neow3j/neow3j#1074 · Opened Feb 21, 2024
Requirements Documentation of `OracleContract`'s Callback Function Open

advanced devpack

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

neow3j/neow3j#1035 · Opened Feb 21, 2024
Improve documentation of `OracleContract.request()` Open

beginner devpack

Difficulty 1/5 1-3 hours Newbie friendliness 50/100

neow3j/neow3j#1034 · Opened Feb 21, 2024
Create a tutorial on how to deploy and invoke neow3j-compiled smart contracts using Neo Nova Open

beginner

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

neow3j/neow3j#1033 · Opened Feb 20, 2024
Prevent integration tests from running in PRs from forks Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

neow3j/neow3j#1032 · Opened Feb 14, 2024
Extend Transaction response object with fields for "signing context" Open

beginner sdk

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

neow3j/neow3j#1008 · 2 reactions · Opened Dec 13, 2023
Add boilerplate repo for Kotlin backend Open

beginner dev-wishlist sdk

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

neow3j/neow3j#1001 · Opened Dec 4, 2023
Add convenience method `subscribeToEvents(contractHash)` Open

feature intermediate

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

neow3j/neow3j#979 · 2 comments · Opened Sep 19, 2023
Collection of frequently used Instruction Sequences Open

devpack discussion intermediate maintenance

Difficulty 5/5 Over a week Newbie friendliness 35/100

neow3j/neow3j#976 · Opened Sep 18, 2023
Clarify: Are the code tours still up to date, working, and worth it? Open

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

neow3j/neow3j-examples-java#33 · 2 comments · 1 reaction · Opened Aug 17, 2023
Document signatures in FAQ Open

neow3j/neow3j-docs#21 · 16 comments · 1 assignee · Opened Aug 7, 2023
Create user feedback form and add it to repo README Open

beginner

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

neow3j/neow3j#946 · 1 comment · Opened Jul 28, 2023
Create a tutorial on how to design smart contract's storage Open

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

neow3j/neow3j-docs#37 · 1 comment · Opened Apr 4, 2023
Smart Contracts as Class Instances Open

advanced devpack epic

Difficulty 5/5 Over a week Newbie friendliness 20/100

neow3j/neow3j#918 · 1 comment · Opened Feb 21, 2023
NeoFS SDK: Add method to unload native library Open

feature intermediate NeoFS

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

neow3j/neow3j#913 · Opened Jan 19, 2023
NeoFS SDK: Provide developer friendly layer over Protobuf types Open

feature intermediate

neow3j/neow3j#912 · 2 reactions · 1 assignee · Opened Jan 18, 2023
NeoFS SDK: Check for .so files when running `neofs` int-tests Open

beginner maintenance NeoFS sdk

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

neow3j/neow3j#898 · Opened Dec 6, 2022
NeoFS SDK: Treat Errors coming from the Shared-Lib Open

feature intermediate

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

neow3j/neow3j#892 · 1 comment · Opened Nov 3, 2022
NeoFS SDK: create different artifacts for NeoFS SDK based on arch Open

beginner feature

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

neow3j/neow3j#891 · 1 comment · Opened Nov 3, 2022
Consider passing forward `IOException`s in `Await` class Open

maintenance sdk

Difficulty 3/5 1-2 days Newbie friendliness 25/100

neow3j/neow3j#882 · Opened Sep 26, 2022
Invocation Error Codes Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 32/100

neow3j/neow3j#879 · 1 reaction · Opened Sep 21, 2022
NeoFS SDK: Investigate if separate Helper class for creating Basic ACL is needed Open

NeoFS

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

neow3j/neow3j#877 · Opened Sep 20, 2022
NeoFS SDK: Integrate `neofs-aio` docker container in neow3j's integration tests Open

advanced NeoFS

neow3j/neow3j#873 · 5 comments · 1 assignee · Opened Sep 14, 2022
NeoFS SDK: Add NeoFS section in external documentation Open

NeoFS

neow3j/neow3j#871 · 1 assignee · Opened Sep 14, 2022
Neo Debugger: Add support for the Neo Debugger's storage schema Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

neow3j/neow3j#866 · Opened Sep 1, 2022
NeoFS SDK: Create implementation to create a session Open

intermediate NeoFS sdk

neow3j/neow3j#848 · 1 assignee · Opened Aug 3, 2022
Rework ContractParameter Open

beginner maintenance sdk

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

neow3j/neow3j#833 · 1 comment · Opened Jul 19, 2022
Support witnesses in `invokefunction` and `invokescript` RPCs Open

feature intermediate sdk

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

neow3j/neow3j#825 · Opened Jul 6, 2022
Rework equality related code in devpack Open

advanced maintenance

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

neow3j/neow3j#805 · 1 reaction · Opened Jun 21, 2022
Contract interfaces: Include Method Token Approach Open

advanced devpack

Difficulty 5/5 Over a week Newbie friendliness 15/100

neow3j/neow3j#798 · 1 comment · Opened Jun 15, 2022

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