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core: implement new System.Blockchain.GetTransaction interop

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closes #1023

Now we put on stack stackitem.Array instead of Interop, so we don't
need old transaction-related interops anymore. Removed the following
interops:
	System.Transaction.GetHash
	Neo.Transaction.GetAttributes
	Neo.Transaction.GetHash
	Neo.Transaction.GetWitnesses
	Neo.Attribute.GetData
	Neo.Attribute.GetUsage

Also removed the following duplicated NEO interop:
	Neo.Blockchain.GetTransaction
This commit is contained in:
Anna Shaleva 2020-06-08 18:36:19 +03:00
parent f2e3be6fef
commit 53655c5ac2
13 changed files with 129 additions and 245 deletions
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4
pkg/compiler/codegen.go
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@ -1053,6 +1053,10 @@ func (c *codegen) convertSyscall(expr *ast.CallExpr, api, name string) {
emit.Opcode(c.prog.BinWriter, opcode.PACK)
}
emit.Syscall(c.prog.BinWriter, api)
switch name {
case "GetTransaction":
c.emitConvert(stackitem.StructT)
}
// This NOP instruction is basically not needed, but if we do, we have a
// one to one matching avm file with neo-python which is very nice for debugging.