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Dart library to connect to Ethereum clients. Send transactions and interact with smart contracts!

Changelog #

1.0.0 #

Basically a complete rewrite of the library - countless bug fixes, a more fluent and consistent api and more features:

  • experimental api to perform expensive operations in a background isolate. Set enableBackgroundIsolate to true when creating a Web3Client to try it out.
  • Events! Use addedBlocks, pendingTransactions and events for auto-updating streams.
  • The client now has a dispose() method which should be called to stop the background isolate and terminate all running streams.

This version contains breaking changes! Here is an overview listing some of them.

Before Updated API
Creating credentials via Credentials.fromPrivateKeyHex Use the EthPrivateKey class or, even better, client.credentialsFromPrivateKey
Sending transactions or calling contract functions The api has been changed to just a single methods instead of a transaction builder. See the examples for details.
Low-level cryptographic operations like signing, hashing and converting hex <-> byte array <-> integer Not available in the core library. Import package:web3dart/crypto.dart instead

If you run into problems after updating, please create an issue.

0.4.4 #

  • Added getTransactionByHash method - thank you, maxholman!
  • Allow a different N parameter for scrypt when creating new wallets.

0.4.0 #

  • New APIs allowing for a simpler access to wallets, credentials and addresses
  • More examples in the README

0.2.1 #

  • More solidity types, not with encoding.

0.2 #

  • Send transactions and call messages from smart contracts on the Blockchain.

0.1 #

  • Create new Ethereum accounts

0.0.2 #

  • Send and sign transactions

0.0.1 #

  • Initial version, created by Stagehand
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Dart library to connect to Ethereum clients. Send transactions and interact with smart contracts!

Repository (GitHub)
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License

unknown (LICENSE)

Dependencies

convert, http, isolate, meta, pointycastle, typed_data, uuid

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