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Allow to obtain the current tx #1432

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Allow to obtain the current tx #1432

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8985184
Allow to get the current tx
shargon Jan 30, 2020
36b3221
Change to a new syscall
shargon Feb 2, 2020
fe3848d
Clean code
shargon Feb 2, 2020
610619e
Add UT
shargon Feb 3, 2020
3610541
Merge branch 'master' into get-current-tx
vncoelho Feb 19, 2020
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10 changes: 10 additions & 0 deletions src/neo/SmartContract/InteropService.Blockchain.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ public static class Blockchain
public static readonly InteropDescriptor GetHeight = Register("System.Blockchain.GetHeight", Blockchain_GetHeight, 0_00000400, TriggerType.Application, CallFlags.None);
public static readonly InteropDescriptor GetBlock = Register("System.Blockchain.GetBlock", Blockchain_GetBlock, 0_02500000, TriggerType.Application, CallFlags.None);
public static readonly InteropDescriptor GetTransaction = Register("System.Blockchain.GetTransaction", Blockchain_GetTransaction, 0_01000000, TriggerType.Application, CallFlags.None);
public static readonly InteropDescriptor GetCurrentTransaction = Register("System.Blockchain.GetCurrentTransaction", Blockchain_GetCurrentTransaction, 0_01000000, TriggerType.Application, CallFlags.None);
public static readonly InteropDescriptor GetTransactionHeight = Register("System.Blockchain.GetTransactionHeight", Blockchain_GetTransactionHeight, 0_01000000, TriggerType.Application, CallFlags.None);
public static readonly InteropDescriptor GetTransactionFromBlock = Register("System.Blockchain.GetTransactionFromBlock", Blockchain_GetTransactionFromBlock, 0_01000000, TriggerType.Application, CallFlags.None);
public static readonly InteropDescriptor GetContract = Register("System.Blockchain.GetContract", Blockchain_GetContract, 0_01000000, TriggerType.Application, CallFlags.None);
Expand Down Expand Up @@ -43,6 +44,15 @@ private static bool Blockchain_GetBlock(ApplicationEngine engine)
return true;
}

private static bool Blockchain_GetCurrentTransaction(ApplicationEngine engine)
{
if (engine.ScriptContainer is Transaction tx)
engine.CurrentContext.EvaluationStack.Push(tx.ToStackItem(engine.ReferenceCounter));
else
engine.CurrentContext.EvaluationStack.Push(StackItem.Null);
return true;
}
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private static bool Blockchain_GetTransaction(ApplicationEngine engine)
{
ReadOnlySpan<byte> hash = engine.CurrentContext.EvaluationStack.Pop().GetSpan();
Expand Down