public async Task <double> GetBalanceAsync()
{
string response;
using (var client = HttpClientFactory.CreateFirefox(m_EtherscanUri))
using (var getResponse = await client.GetAsync(
new Uri(m_EtherscanUri, $"/api?module=account&action=balance&address={m_WalletAddress}&tag=latest")))
response = await getResponse.Content.ReadAsStringAsync();
dynamic responseJson = JsonConvert.DeserializeObject(response);
if ((int)responseJson.status != 1)
{
return(0);
}
return((double)responseJson.result / WeisInEth);
}
public async Task <string[]> GetSupportedCompilersAsync()
{
var document = new HtmlDocument();
using (var client = HttpClientFactory.CreateFirefox(m_ServiceUri))
using (var getResponse = await client.GetAsync(m_ServiceUri))
document.LoadHtml(await getResponse.Content.ReadAsStringAsync());
var options = document.DocumentNode.SelectNodes(
"//select[@name='ctl00$ContentPlaceHolder1$ddlCompilerVersions']/option");
if (options == null)
{
return(new string[0]);
}
return(options
.Select(x => x.GetAttributeValue("value", null))
.Where(x => !string.IsNullOrWhiteSpace(x))
.Select(x => x.TrimStart('v'))
.ToArray());
}
public async Task VerifyAsync(VerifyRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
var document = new HtmlDocument();
using (var client = HttpClientFactory.CreateFirefox(m_ServiceUri))
using (var getResponse = await client.GetAsync(m_ServiceUri))
document.LoadHtml(await getResponse.Content.ReadAsStringAsync());
var hiddenFields = document.DocumentNode
.SelectNodes("//input[@type='hidden']");
var postValues = hiddenFields
.Select(x => new
{
Key = x.GetAttributeValue("id", null),
Value = x.GetAttributeValue("value", "")
})
.Where(x => !string.IsNullOrEmpty(x.Key))
.GroupBy(x => x.Key)
.ToDictionary(x => x.Key, x => HtmlEntity.DeEntitize(x.First().Value));
postValues["ctl00$ContentPlaceHolder1$txtContractAddress"] = request.ContractAddress;
postValues["ctl00$ContentPlaceHolder1$txtContractName"] = request.Name;
postValues["ctl00$ContentPlaceHolder1$ddlCompilerVersions"] = $"v{request.Compiler}";
postValues["ctl00$ContentPlaceHolder1$ddlOptimization"] = "1";
postValues["ctl00$ContentPlaceHolder1$txtSourceCode"] = request.Source;
postValues["ctl00$ContentPlaceHolder1$txtConstructorArguements"] = HexHelper.ToHex(request.AbiEncodedConstructorArgs);
//postValues["ctl00$ContentPlaceHolder1$txtRuns"] = "200";
for (var i = 1; i <= 5; i++)
{
postValues["ctl00$ContentPlaceHolder1$txtLibraryName" + i] = string.Empty;
postValues["ctl00$ContentPlaceHolder1$txtLibraryAddress" + i] = "0x";
}
postValues["ctl00$ContentPlaceHolder1$btnSubmit"] = "Verify And Publish";
postValues["ctl00$ContentPlaceHolder1$txtGithubGist"] = string.Empty;
postValues["ctl00$ContentPlaceHolder1$hdnSelectedTab"] = "'bytecode'";
postValues["ctl00$ContentPlaceHolder1$libcounter"] = "1";
using (var client = HttpClientFactory.CreateFirefox(m_ServiceUri))
using (var postResponse = await client.PostAsync(m_ServiceUri, new FormUrlEncodedContent(postValues)))
{
postResponse.EnsureSuccessStatusCode();
document.LoadHtml(await postResponse.Content.ReadAsStringAsync());
}
if (document.DocumentNode.SelectSingleNode(
"//font[@color='green' and contains(.,'Successfully generated ByteCode and ABI')]") != null)
{
return;
}
var errorText = document.DocumentNode.SelectSingleNode(
"//span[@id='ContentPlaceHolder1_lblErrorStatus']");
if (string.IsNullOrWhiteSpace(errorText?.InnerText))
{
errorText = document.DocumentNode.SelectSingleNode(
"//span[@id='ContentPlaceHolder1_lblResult']");
}
throw new ContractVerificationException("Verification failed: " + errorText?.InnerText);
}