Update bindings demo for new Transaction::data mut-ness

Author: TheBlueMatt

lightning-c-bindings/demo.cpp

@@ -420,19 +420,19 @@ int main() {
 	}
 
 	LDKCVec_C2Tuple_usizeTransactionZZ txdata { .data = (LDKC2TupleTempl_usize__Transaction*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
-	*txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
+	*txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
 	ChannelManager_block_connected(&cm1, &channel_open_header, txdata, 1);
 
 	txdata = LDKCVec_C2Tuple_usizeTransactionZZ { .data = (LDKC2TupleTempl_usize__Transaction*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
-	*txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
+	*txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
 	ChannelManager_block_connected(&cm2, &channel_open_header, txdata, 1);
 
 	txdata = LDKCVec_C2Tuple_usizeTransactionZZ { .data = (LDKC2TupleTempl_usize__Transaction*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
-	*txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
+	*txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
 	mons1.ConnectBlock(&channel_open_header, 1, txdata, broadcast, fee_est);
 
 	txdata = LDKCVec_C2Tuple_usizeTransactionZZ { .data = (LDKC2TupleTempl_usize__Transaction*)malloc(sizeof(LDKC2Tuple_usizeTransactionZ)), .datalen = 1 };
-	*txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
+	*txdata.data = C2Tuple_usizeTransactionZ_new(0, LDKTransaction { .data = (uint8_t*)channel_open_tx, .datalen = sizeof(channel_open_tx), .data_is_owned = false });
 	mons2.ConnectBlock(&channel_open_header, 1, txdata, broadcast, fee_est);
 
 	ChannelManager_block_connected(&cm1, &header_1, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, 2);