/// <summary>
/// 从指定的json对象中解析出签名上下文
/// </summary>
/// <param name="json">json对象</param>
/// <returns>返回上下文</returns>
public static SignatureContext FromJson(JObject json)
{
ISignable signable = typeof(SignatureContext).GetTypeInfo().Assembly.CreateInstance(json["type"].AsString()) as ISignable;
using (MemoryStream ms = new MemoryStream(json["hex"].AsString().HexToBytes(), false))
using (BinaryReader reader = new BinaryReader(ms, Encoding.UTF8))
{
signable.DeserializeUnsigned(reader);
}
SignatureContext context = new SignatureContext(signable);
JArray scripts = (JArray)json["scripts"];
for (int i = 0; i < scripts.Count; i++)
{
if (scripts[i] != null)
{
context.redeemScripts[i] = scripts[i]["redeem_script"].AsString().HexToBytes();
JArray ps = (JArray)scripts[i]["parameters"];
context.parameters[i] = new byte[ps.Count][];
for (int j = 0; j < ps.Count; j++)
{
context.parameters[i][j] = ps[j]?.AsString().HexToBytes();
}
context.temp[i] = scripts[i]["temp"];
}
}
return(context);
}
public static SignatureContext Parse(string value)
{
JObject json = JObject.Parse(value);
string typename = string.Format("{0}.{1}", typeof(SignatureContext).Namespace, json["type"].AsString());
ISignable signable = Assembly.GetExecutingAssembly().CreateInstance(typename) as ISignable;
using (MemoryStream ms = new MemoryStream(json["hex"].AsString().HexToBytes(), false))
using (BinaryReader reader = new BinaryReader(ms, Encoding.UTF8))
{
signable.DeserializeUnsigned(reader);
}
SignatureContext context = new SignatureContext(signable);
JArray scripts = (JArray)json["scripts"];
for (int i = 0; i < scripts.Count; i++)
{
if (scripts[i] != null)
{
context.redeemScripts[i] = scripts[i]["redeem_script"].AsString().HexToBytes();
context.signatures[i] = new Dictionary <ECPoint, byte[]>();
JArray sigs = (JArray)scripts[i]["signatures"];
for (int j = 0; j < sigs.Count; j++)
{
ECPoint pubkey = ECPoint.DecodePoint(sigs[j]["pubkey"].AsString().HexToBytes(), ECCurve.Secp256r1);
byte[] signature = sigs[j]["signature"].AsString().HexToBytes();
context.signatures[i].Add(pubkey, signature);
}
}
}
return(context);
}
