WAX Unity Web3 Suite
EosSharp
EosSharp
  • Getting Started
  • Installation
  • Examples
    • Configuration
    • Create Transaction
    • CustomSignProvider
    • CombinedSignersProvider
  • API Docs
    • API Read Methods
      • GetInfo
      • GetAccount
      • GetBlock
      • GetTableRows
      • GetTableByScope
    • Eos
    • HttpHandler
    • Core
      • Api.v1
        • Abi
        • AbiAction
        • AbiBinToJsonRequest
        • AbiBinToJsonResponse
        • AbiField
        • AbiJsonToBinRequest
        • AbiJsonToBinResponse
        • AbiRicardianClause
        • AbiStruct
        • AbiTable
        • AbiType
        • Action
        • ActionTrace
        • ActivedProtocolFeatures
        • Authority
        • AuthorityAccount
        • AuthorityKey
        • AuthorityWait
        • BlockHeader
        • CurrencyStat
        • DetailedTransaction
        • EosApi
        • ExtendedAsset
        • Extension
        • GetAbiRequest
        • GetAbiResponse
        • GetAccountRequest
        • GetAccountResponse
        • GetActionsRequest
        • GetActionsResponse
        • GetBlockHeaderStateRequest
        • GetBlockHeaderStateResponse
        • GetBlockRequest
        • GetBlockResponse
        • GetCodeRequest
        • GetCodeResponse
        • GetControlledAccountsRequest
        • GetControlledAccountsResponse
        • GetCurrencyBalanceRequest
        • GetCurrencyBalanceResponse
        • GetCurrencyStatsRequest
        • GetCurrencyStatsResponse
        • GetInfoResponse
        • GetKeyAccountsRequest
        • GetKeyAccountsResponse
        • GetProducerScheduleResponse
        • GetProducersRequest
        • GetProducersResponse
        • GetRawAbiRequest
        • GetRawAbiResponse
        • GetRawCodeAndAbiRequest
        • GetRawCodeAndAbiResponse
        • GetRequiredKeysRequest
        • GetRequiredKeysResponse
        • GetScheduledTransactionsRequest
        • GetScheduledTransactionsResponse
        • GetTableByScopeRequest
        • GetTableByScopeResponse
        • GetTableRowsRequest
        • GetTableRowsResponse
        • GetTransactionRequest
        • GetTransactionResponse
        • GlobalAction
        • Merkle
        • PackedTransaction
        • Permission
        • PermissionLevel
        • ProcessedTransaction
        • Producer
        • PushTransactionRequest
        • PushTransactionResponse
        • Receipt
        • RefundRequest
        • Resource
        • Schedule
        • ScheduleProducers
        • ScheduledTransaction
        • SelfDelegatedBandwidth
        • SignedBlockHeader
        • Symbol
        • TableByScopeResultRow
        • TotalResources
        • Transaction
        • TransactionReceipt
        • Variant
        • VoterInfo
      • DataAttributes
        • AbiFieldTypeAttribute
      • EosBase
      • EosConfigurator
      • Exceptions
        • ApiError
        • ApiErrorDetail
        • ApiErrorException
        • ApiException
      • Helpers
        • CryptoHelper
          • KeyPair
        • SerializationHelper
      • Interfaces
        • IHttpHandler
        • ISignProvider
      • EosSharp
        • AbiSerializationProvider
        • CombinedSignersProvider
        • DefaultSignProvider
        • IAbiSerializationProvider
      • SignedTransaction
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  1. Examples

CustomSignProvider

It is also possible to implement your own ISignProvider to customize how the signatures and key handling is done.

/// <summary>
/// Signature provider implementation that uses a private server to hold keys
/// </summary>
class SuperSecretSignProvider : ISignProvider
{
   /// <summary>
   /// Get available public keys from signature provider server
   /// </summary>
   /// <returns>List of public keys</returns>
   public async Task<IEnumerable<string>> GetAvailableKeys()
   {
        var result = await HttpHelper.GetJsonAsync<SecretResponse>("https://supersecretserver.com/get_available_keys");
        return result.Keys;
   }
   
   /// <summary>
   /// Sign bytes using the signature provider server
   /// </summary>
   /// <param name="chainId">EOSIO Chain id</param>
   /// <param name="requiredKeys">required public keys for signing this bytes</param>
   /// <param name="signBytes">signature bytes</param>
   /// <param name="abiNames">abi contract names to get abi information from</param>
   /// <returns>List of signatures per required keys</returns>
   public async Task<IEnumerable<string>> Sign(string chainId, List<string> requiredKeys, byte[] signBytes)
   {
        var result = await HttpHelper.PostJsonAsync<SecretSignResponse>("https://supersecretserver.com/sign", new SecretRequest {
            chainId = chainId,
            RequiredKeys = requiredKeys,
            Data = signBytes
        });
        return result.Signatures;
   }
}

// create new Eos client instance using your custom signature provider
Eos eos = new Eos(new EosConfigurator()
{
    SignProvider = new SuperSecretSignProvider(),
    HttpEndpoint = "https://nodes.eos42.io", //Mainnet
    ChainId = "aca376f206b8fc25a6ed44dbdc66547c36c6c33e3a119ffbeaef943642f0e906"
});
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Last updated 2 years ago

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