public SignatureContext(ISignable signable)
{
this.Signable = signable;
this.ScriptHashes = signable.GetScriptHashesForVerifying();
this.redeemScripts = new byte[ScriptHashes.Length][];
this.signatures = new Dictionary <ECPoint, byte[]> [ScriptHashes.Length];
}
internal static bool VerifySignature(this ISignable signable)
{
UInt160[] hashes;
try
{
hashes = signable.GetScriptHashesForVerifying();
}
catch (InvalidOperationException)
{
return(false);
}
if (hashes.Length != signable.Scripts.Length)
{
return(false);
}
for (int i = 0; i < hashes.Length; i++)
{
if (hashes[i] != signable.Scripts[i].RedeemScript.ToScriptHash())
{
return(false);
}
ScriptEngine engine = new ScriptEngine(signable.Scripts[i], signable, InterfaceEngine.Default);
if (!engine.Execute())
{
return(false);
}
}
return(true);
}
public SignatureContext(ISignable signable)
{
this.Signable = signable;
this.ScriptHashes = signable.GetScriptHashesForVerifying();
this.redeemScripts = new byte[ScriptHashes.Length][];
this.signatures = new Dictionary<ECPoint, byte[]>[ScriptHashes.Length];
}
/// <summary>
/// 对指定的数据构造签名上下文
/// </summary>
/// <param name="signable">要签名的数据</param>
public SignatureContext(ISignable signable)
{
this.Signable = signable;
this.ScriptHashes = signable.GetScriptHashesForVerifying();
this.redeemScripts = new byte[ScriptHashes.Length][];
this.parameters = new byte[ScriptHashes.Length][][];
this.temp = new JObject[ScriptHashes.Length];
}
internal static bool VerifySignature(this ISignable signable)
{
UInt160[] hashes;
try
{
hashes = signable.GetScriptHashesForVerifying();
}
catch (InvalidOperationException)
{
return(false);
}
if (hashes.Length != signable.Scripts.Length)
{
return(false);
}
for (int i = 0; i < hashes.Length; i++)
{
byte[] redeem_script = signable.Scripts[i].RedeemScript;
if (redeem_script.Length == 0)
{
using (ScriptBuilder sb = new ScriptBuilder())
{
sb.EmitAppCall(hashes[i].ToArray());
redeem_script = sb.ToArray();
}
}
else
{
if (hashes[i] != redeem_script.ToScriptHash())
{
return(false);
}
}
ExecutionEngine engine = new ExecutionEngine(signable, ECDsaCrypto.Default, 1200, Blockchain.Default, InterfaceEngine.Default);
engine.LoadScript(redeem_script, false);
engine.LoadScript(signable.Scripts[i].StackScript, true);
engine.Execute();
if (engine.State != VMState.HALT)
{
return(false);
}
if (engine.EvaluationStack.Count != 1 || !engine.EvaluationStack.Pop().GetBoolean())
{
return(false);
}
}
return(true);
}
internal static bool VerifySignature(this ISignable signable)
{
UInt160[] hashes;
try
{
hashes = signable.GetScriptHashesForVerifying();
}
catch (InvalidOperationException)
{
return(false);
}
if (hashes.Length != signable.Scripts.Length)
{
return(false);
}
for (int i = 0; i < hashes.Length; i++)
{
if (hashes[i] != signable.Scripts[i].RedeemScript.ToScriptHash())
{
return(false);
}
ScriptEngine engine = new ScriptEngine(signable, ECDsaCrypto.Default, Blockchain.Default, InterfaceEngine.Default);
if (!engine.ExecuteScript(signable.Scripts[i].StackScript, true))
{
return(false);
}
if (!engine.ExecuteScript(signable.Scripts[i].RedeemScript, false))
{
return(false);
}
if (engine.Stack.Count != 1 || !engine.Stack.Pop())
{
return(false);
}
}
return(true);
}
public SignatureContext(ISignable signable)
{
this.Signable = signable;
this.ScriptHashes = signable.GetScriptHashesForVerifying();
this.signatures = new MultiSigContext[ScriptHashes.Length];
}
