hiero-ledger

hiero-ledger/hiero-sdk-js

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

39 good first / help-wanted issues · JavaScript · last activity Jul 14, 2026

325 stars 242 forks 325 watchers JavaScript Apache License 2.0

blockchain distributed-ledger-technology good-first-issue good-first-issues hacktoberfest hashgraph hedera hiero javascript javascript-sdk open-source sdk typescript typescript-sdk

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39 Open Issues Need Help Last updated: Jul 14, 2026

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[Good First Issue]: Add unit tests for NetworkVersionInfo about 2 hours ago

Good First Issue hacktoberfest

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Fix spelling mistakes in the example scripts about 4 hours ago

documentation Good First Issue hacktoberfest Non-Code

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Fix spelling mistakes in the manual documentation about 13 hours ago

documentation Good First Issue hacktoberfest Non-Code

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Fix spelling mistakes in comments in entity ID, account and contract files about 13 hours ago

documentation Good First Issue hacktoberfest Non-Code

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Fix spelling mistakes in comments in Query.js and Executable.js about 13 hours ago

documentation Good First Issue hacktoberfest Non-Code

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Fix spelling mistakes in comments in src/transaction/Transaction.js about 13 hours ago

documentation Good First Issue hacktoberfest Non-Code

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Replace wildcard type * in ManagedNode.compare() with ChannelT 3 days ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Rename misspelled "siganture" variables in PrivateKey.js and Wallet.js 3 days ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Add unit tests for SemanticVersion 3 days ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Add unit tests for sha384 (Node.js) 18 days ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Add unit tests for sha384 (browser) 23 days ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: exclude fully deprecated classes from vitest coverage reports about 2 months ago

enhancement Good First Issue beginner

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Add unit tests for TokenReference about 2 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Replace wildcard type * use in src/EntityIdHelper.js about 2 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Replace wildcard * use in src/schedule/ScheduleInfoQuery.js about 2 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Add unit tests for BadEntityIdError 3 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Make flaky "gRPC deadline reached" test in AccountInfoMocking deterministic 5 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Fix typo and add unit tests for CustomRoyaltyFee 5 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Add unit tests for base64 (React Native) 5 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Add unit tests for sha384 (React Native) 5 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Add unit tests for MirrorChannel 5 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Exclude static address book re-exports from vitest coverage 5 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Add unit tests for SubscriptionHandle 5 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Add unit tests for TopicMessageChunk 5 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: add unit test for src/account/NullableTokenDecimalMap.js 5 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: add optional test file argument to unit and integration test tasks 5 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Replace wildcard type * use in src/topic/TopicId.js 6 months ago

Good First Issue approved

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Replace wildcard type * use in src/account/AccountId.js 6 months ago

Good First Issue approved

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Replace wildcard type * use in src/token/TokenId.js 6 months ago

Good First Issue approved

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Replace wildcard type * use in src/file/FileId.js 7 months ago

Good First Issue approved

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: TransactionResponse: Replace Wildcard Client Typedef with Generic Client<Channel, MirrorChannel> 7 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Replace wildcard type * use in src/schedule/ScheduleId.js 7 months ago

Good First Issue approved

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Fix links in good first issue template 7 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Replace wildcard type * use in src/contract/ContractId.js 7 months ago

Good First Issue approved

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: fix typo and grammar in CONTRIBUTING.md 7 months ago

documentation Good First Issue Non-Code

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: fix typo in readme.md 8 months ago

AI Summary: This is a 'Good First Issue' aimed at new contributors to the Hiero JS SDK. It requests a simple typo correction in the `readme.md` file on line 14, changing 'transfered' to 'transferred'. The fix involves no code changes, only a documentation update to improve readability.

Complexity: 1/5

documentation Good First Issue Non-Code

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Fix Spelling Mistakes in Readme 8 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Fix Contribution Typo 'Transfer' In Readme 8 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk

[Good First Issue]: Update Catch Block To Return Error Object 8 months ago

Good First Issue

hiero-ledger/hiero-sdk-js

325

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

JavaScript

#blockchain#distributed-ledger-technology#good-first-issue#good-first-issues#hacktoberfest#hashgraph#hedera#hiero#javascript#javascript-sdk#open-source#sdk#typescript#typescript-sdk