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Smart contract related functions to call MetaCoin example
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| Future<String> sendCoind(String targetAddressHex, int amount) async { | |
| EthereumAddress address = EthereumAddress.fromHex(targetAddressHex); | |
| // uint in smart contract means BigInt for us | |
| var bigAmount = BigInt.from(amount); | |
| // sendCoin transaction | |
| var response = await submit("sendCoin", [address, bigAmount]); | |
| // hash of the transaction | |
| return response; | |
| } | |
| Future<List<dynamic>> getBalance(String targetAddressHex) async { | |
| EthereumAddress address = EthereumAddress.fromHex(targetAddressHex); | |
| // getBalance transaction | |
| List<dynamic> result = await query("getBalance", [address]); | |
| // returns list of results, in this case a list with only the balance | |
| return result; | |
| } |
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