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Nov 28, 2024
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feat: add ton send-usd example #514

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26 changes: 25 additions & 1 deletion pages/price-feeds/use-real-time-data/ton.mdx
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Expand Up @@ -27,6 +27,29 @@ Install the Pyth TON SDK and other necessary dependencies using npm:
</Tabs.Tab>
</Tabs>

## Write Contract Code

The code snippet below provides an example sending a message to the Pyth price feed contract and call the `parse_price_feed_updates` method:

```func copy
;; Create message to Pyth contract according to schema
cell msg = begin_cell()
.store_uint(0x18, 6) ;; nobounce
.store_slice(ctx_pyth_address) ;; pyth contract address
.store_coins(forward_amount) ;; forward amount minus fees
.store_uint(0, 1 + 4 + 4 + 64 + 32 + 1 + 1) ;; default message headers
.store_uint(PYTH_OP_PARSE_PRICE_FEED_UPDATES, 32) ;; pyth opcode
.store_ref(price_update_data) ;; update data
.store_ref(price_ids) ;; price feed IDs
.store_uint(now() - 100, 64) ;; min_publish_time
.store_uint(now() + 100, 64) ;; max_publish_time
.store_slice(my_address()) ;; target address (this contract)
.store_ref(custom_payload) ;; custom payload with recipient and amount
.end_cell();

send_raw_message(msg, 0);
```

## Write Client Code

The following code snippet demonstrates how to fetch price updates, interact with the Pyth contract on TON, and update price feeds:
Expand Down Expand Up @@ -109,4 +132,5 @@ You may find these additional resources helpful for developing your TON applicat
- [Pyth Price Feed IDs](https://pyth.network/developers/price-feed-ids)
- [Pyth TON Contract](https://github.com/pyth-network/pyth-crosschain/tree/main/target_chains/ton/contracts)
- [Pyth TON SDK](https://github.com/pyth-network/pyth-crosschain/tree/main/target_chains/ton/sdk)
- [Pyth TON Example](https://github.com/pyth-network/pyth-examples/tree/main/price_feeds/ton/sdk_js_usage)
- [Pyth TON SDK Example](https://github.com/pyth-network/pyth-examples/tree/main/price_feeds/ton/sdk_js_usage)
- [Pyth TON Send USD Example](https://github.com/pyth-network/pyth-examples/tree/main/price_feeds/ton/send_usd)