web3dart
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simolus3
Ethereum library, written in Dart.
I have a contract address, how to send (example: 0xfaa27f641d559a10c0e79145342ce1f9c799ca70) a transaction
String content = new File("keystore/UTC--2019-10-19T10-22-27.882172000Z--4ec06cf1958aec265808bd9f3383c3dee418b543").readAsStringSync(); Wallet wallet = Wallet.fromJson(content, "123456"); I don't know why this function needs to be executed for a few minutes? Is my method wrong?
Hi Simon I'm looking to connect my Flutter app to smart contracts on the EVM running on the Hedera Hashgraph test net. Have you looked at Hedera at all? Was...
I 've made a simple demo to test the cost on 2 platforms.The result follows: 2m15s on iOS device, 45s on Android device . not feel good :(
Error Log ``` [VERBOSE-2:ui_dart_state.cc(148)] Unhandled Exception: Exception: Tried to call a transaction that modifys state #0 FinalizedTransaction.call (package:web3dart/src/transaction.dart:124:4) #1 _MyHomePageState._getSmartCoursesContract (package:flutter_token/main.dart:94:32) #2 _MyHomePageState.initState (package:flutter_token/main.dart:170:5) #3 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3846:58) #4 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)...
hey there, is there a way to create a smart contract from the dart code? I can read the contract and also call the functions with the abi. But is...
eg. - web3.eth.Contract(mycontract.abi,contractAddress)
I had previously been developing a simple app to record data into the Ethereum blockchain, and had used the web3.js package because I was in a javascript/Angular/browser world. I've now...
Trying to incorporate the web3dart package into my project. When I run pub get I receive the error: > web3dart ^0.3.0 requires build_runner ^0.8.0. When I change build_runner to ^0.8.0...
Here is the situation; I get the data below: mnemonic -> seed -> extendedBase58 -> m/44'/60'/0'/0/0 child private key . and I check these values on [iancoleman](https://iancoleman.io/bip39/#english) , values are...