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Fix of toncoin losses for gas on each tx in send_usd.fc #56

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Fix of toncoin losses for gas on each tx in send_usd.fc #56

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10 changes: 3 additions & 7 deletions price_feeds/ton/send_usd/contracts/send_usd.fc
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Original file line number Diff line number Diff line change
Expand Up @@ -54,15 +54,11 @@ const ERROR_UNAUTHORIZED = 401;
.store_uint(usd_amount, 16)
.end_cell();


int compute_fee = get_compute_fee(WORKCHAIN, gas_consumed());
int forward_amount = msg_value - compute_fee;

;; 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_coins(0) ;; forward amount can be 0 with tx mode == 64 (carry all remainings)
.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
Expand All @@ -73,7 +69,7 @@ const ERROR_UNAUTHORIZED = 401;
.store_ref(custom_payload) ;; custom payload with recipient and amount
.end_cell();

send_raw_message(msg, 0);
send_raw_message(msg, 64);
}

;; Main message handler
Expand Down Expand Up @@ -151,4 +147,4 @@ const ERROR_UNAUTHORIZED = 401;
slice get_pyth_address() method_id {
load_data();
return ctx_pyth_address;
}
}