public async Task ShouldBeAbleToDeployAContractLoadingEncryptedPrivateKey()
{
var senderAddress = "0x12890d2cce102216644c59daE5baed380d84830c";
var password = "******";
//this is your wallet key file which can be found on
//Linux: ~/.ethereum/keystore
//Mac: /Library/Ethereum/keystore
//Windows: %APPDATA%/Ethereum
var keyStoreEncryptedJson =
@"{""crypto"":{""cipher"":""aes-128-ctr"",""ciphertext"":""b4f42e48903879b16239cd5508bc5278e5d3e02307deccbec25b3f5638b85f91"",""cipherparams"":{""iv"":""dc3f37d304047997aa4ef85f044feb45""},""kdf"":""scrypt"",""mac"":""ada930e08702b89c852759bac80533bd71fc4c1ef502291e802232b74bd0081a"",""kdfparams"":{""n"":65536,""r"":1,""p"":8,""dklen"":32,""salt"":""2c39648840b3a59903352b20386f8c41d5146ab88627eaed7c0f2cc8d5d95bd4""}},""id"":""19883438-6d67-4ab8-84b9-76a846ce544b"",""address"":""12890d2cce102216644c59dae5baed380d84830c"",""version"":3}";
var abi =
@"[{""constant"":false,""inputs"":[{""name"":""val"",""type"":""int256""}],""name"":""multiply"",""outputs"":[{""name"":""d"",""type"":""int256""}],""type"":""function""},{""inputs"":[{""name"":""multiplier"",""type"":""int256""}],""type"":""constructor""}]";
var byteCode =
"0x60606040526040516020806052833950608060405251600081905550602b8060276000396000f3606060405260e060020a60003504631df4f1448114601a575b005b600054600435026060908152602090f3";
var multiplier = 7;
//if not using portable or netstandard (^net45) you can use LoadFromKeyStoreFile to load the file from the file system.
var keyStoreService = new KeyStore.KeyStoreService();
var key = keyStoreService.DecryptKeyStoreFromJson(password, keyStoreEncryptedJson);
var web3 = new Web3.Web3(new Account(key));
var transactionPolling = new TransactionReceiptPollingService(web3);
//assumed client is mining already
var contractAddress = await
transactionPolling.DeployContractAndGetAddressAsync(
() =>
web3.Eth.DeployContract.SendRequestAsync(abi, byteCode, senderAddress, new HexBigInteger(900000),
multiplier)
);
var contract = web3.Eth.GetContract(abi, contractAddress);
var multiplyFunction = contract.GetFunction("multiply");
var result = await multiplyFunction.CallAsync <int>(7);
Assert.Equal(49, result);
}
public async Task ShouldBeAbleToTransferBetweenAccountsLoadingEncryptedPrivateKey()
{
var senderAddress = "0x12890d2cce102216644c59daE5baed380d84830c";
var addressTo = "0x13f022d72158410433cbd66f5dd8bf6d2d129924";
var password = "******";
var keyStoreEncryptedJson =
@"{""crypto"":{""cipher"":""aes-128-ctr"",""ciphertext"":""b4f42e48903879b16239cd5508bc5278e5d3e02307deccbec25b3f5638b85f91"",""cipherparams"":{""iv"":""dc3f37d304047997aa4ef85f044feb45""},""kdf"":""scrypt"",""mac"":""ada930e08702b89c852759bac80533bd71fc4c1ef502291e802232b74bd0081a"",""kdfparams"":{""n"":65536,""r"":1,""p"":8,""dklen"":32,""salt"":""2c39648840b3a59903352b20386f8c41d5146ab88627eaed7c0f2cc8d5d95bd4""}},""id"":""19883438-6d67-4ab8-84b9-76a846ce544b"",""address"":""12890d2cce102216644c59dae5baed380d84830c"",""version"":3}";
//this is your wallet key file which can be found on
//Linux: ~/.ethereum/keystore
//Mac: /Library/Ethereum/keystore
//Windows: %APPDATA%/Ethereum
//if not using portable or netstandard (^net45) you can use LoadFromKeyStoreFile to load the file from the file system.
var keyStoreService = new KeyStore.KeyStoreService();
var key = keyStoreService.DecryptKeyStoreFromJson(password, keyStoreEncryptedJson);
var account = new Account(key);
var web3 = new Web3.Web3(account);
//The transaction receipt polling service is a simple utility service to poll for receipts until mined
var transactionPolling = new TransactionReceiptPollingService(web3);
var currentBalance = await web3.Eth.GetBalance.SendRequestAsync(addressTo);
//assumed client is mining already
//when sending a transaction using an Account, a raw transaction is signed and send using the private key
var transactionReceipt = await transactionPolling.SendRequestAsync(() =>
web3.TransactionManager.SendTransactionAsync(account.Address, addressTo, new HexBigInteger(20))
);
var newBalance = await web3.Eth.GetBalance.SendRequestAsync(addressTo);
Assert.Equal(currentBalance.Value + 20, newBalance.Value);
}