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June 17, 2020 13:54
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Query data & submit a transaction with web3dart
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| Future<String> submit(String functionName, List<dynamic> args) async { | |
| EthPrivateKey credentials = EthPrivateKey.fromHex( | |
| "3d272d3193203d7a4458ea2a38ace936075c776512fc27093597ca2c790602a9"); | |
| DeployedContract contract = await loadContract(); | |
| final ethFunction = contract.function(functionName); | |
| var result = await ethClient.sendTransaction( | |
| credentials, | |
| Transaction.callContract( | |
| contract: contract, | |
| function: ethFunction, | |
| parameters: args, | |
| ), | |
| ); | |
| return result; | |
| } | |
| Future<List<dynamic>> query(String functionName, List<dynamic> args) async { | |
| final contract = await loadContract(); | |
| final ethFunction = contract.function(functionName); | |
| final data = await ethClient.call( | |
| contract: contract, function: ethFunction, params: args); | |
| return data; | |
| } |
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