public static Signature FromJson(JObject json)
{
return(new Signature(SigningPayload.FromJson(json["signing_payload"]),
PublicKey.FromJson(json["public_key"]),
json["signature_type"].ToSignatureType(),
json["hex_bytes"].AsString()));
}
public Signature(SigningPayload signingPayload, PublicKey publicKey, SignatureType signatureType, string hexBytes)
{
SigningPayload = signingPayload;
PublicKey = publicKey;
SignatureType = signatureType;
HexBytes = hexBytes;
}
public Signature(SigningPayload signingPayload, PublicKey publicKey, SignatureType signatureType, byte[] bytes)
{
SigningPayload = signingPayload;
PublicKey = publicKey;
SignatureType = signatureType;
Bytes = bytes;
}
public JObject ToJson()
{
JObject json = new JObject();
json["signing_payload"] = SigningPayload.ToJson();
json["public_key"] = PublicKey.ToJson();
json["signature_type"] = SignatureType.AsString();
json["hex_bytes"] = HexBytes;
return(json);
}
/// <summary>
/// Payloads is called with an array of operations and the response from `/construction/metadata`.
/// It returns an unsigned transaction blob and a collection of payloads that must be signed by particular addresses using a certain SignatureType.
/// The array of operations provided in transaction construction often times can not specify all "effects" of a transaction.
/// However, they can deterministically specify the "intent" of the transaction, which is sufficient for construction.
/// For this reason, parsing the corresponding transaction in the Data API (when it lands on chain) will contain a superset of whatever operations were provided during construction.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public JObject ConstructionPayloads(ConstructionPayloadsRequest request)
{
NeoTransaction neoTx;
try
{
neoTx = ConvertOperations(request.Operations, request.Metadata);
}
catch (Exception)
{
return(Error.PARAMETER_INVALID.ToJson());
}
byte[] unsignedRaw = (neoTx as IVerifiable).GetHashData();
var scriptHashes = neoTx.GetScriptHashesForVerifying(Blockchain.Singleton.GetSnapshot());
SigningPayload[] signingPayloads = new SigningPayload[scriptHashes.Length];
for (int i = 0; i < scriptHashes.Length; i++)
{
signingPayloads[i] = new SigningPayload(scriptHashes[i].ToAddress(), unsignedRaw);
}
ConstructionPayloadsResponse response = new ConstructionPayloadsResponse(unsignedRaw.ToHexString(), signingPayloads);
return(response.ToJson());
}