1  namespace GethConnector
 2  {
 3      public static class GethInput
 4      {
 5          private const string GethHostVar = "GETH_HOST";
 6          private const string GethPortVar = "GETH_HTTP_PORT";
 7          private const string GethPrivKeyVar = "GETH_PRIVATE_KEY";
 8          private const string MarketplaceAddressVar = "CODEXCONTRACTS_MARKETPLACEADDRESS";
 9          private const string TokenAddressVar = "CODEXCONTRACTS_TOKENADDRESS";
10          private const string AbiVar = "CODEXCONTRACTS_ABI";
11  
12          static GethInput()
13          {
14              var error = new List<string>();
15              var gethHost = GetEnvVar(error, GethHostVar);
16              var gethPort = Convert.ToInt32(GetEnvVar(error, GethPortVar));
17              var privateKey = GetEnvVar(error, GethPrivKeyVar);
18              var marketplaceAddress = GetEnvVar(error, MarketplaceAddressVar);
19              var tokenAddress = GetEnvVar(error, TokenAddressVar);
20              var abi = GetEnvVar(error, AbiVar);
21  
22              if (error.Any())
23              {
24                  LoadError = string.Join(", ", error);
25              }
26              else
27              {
28                  GethHost = gethHost!;
29                  GethPort = gethPort;
30                  PrivateKey = privateKey!;
31                  MarketplaceAddress = marketplaceAddress!;
32                  TokenAddress = tokenAddress!;
33                  ABI = abi!;
34              }
35          }
36  
37          public static string GethHost { get; } = string.Empty;
38          public static int GethPort { get; }
39          public static string PrivateKey { get; } = string.Empty;
40          public static string MarketplaceAddress { get; } = string.Empty;
41          public static string TokenAddress { get; } = string.Empty;
42          public static string ABI { get; } = string.Empty;
43          public static string LoadError { get; } = string.Empty;
44  
45          private static string? GetEnvVar(List<string> error, string name)
46          {
47              var result = Environment.GetEnvironmentVariable(name);
48              if (string.IsNullOrEmpty(result))
49              {
50                  error.Add($"'{name}' is not set.");
51                  return null;
52              }
53              return result.Trim();
54          }
55      }
56  }