24 lines
886 B
Plaintext
24 lines
886 B
Plaintext
module example::example {
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use pyth::pyth;
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use pyth::price::Price;
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use pyth::price_identifier;
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use aptos_framework::coin;
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/// Updates the Pyth price feeds using the given pyth_update_data, and then returns
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/// the BTC/USD price.
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public fun get_btc_usd_price(user: &signer, pyth_update_data: vector<vector<u8>>): Price {
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// First update the Pyth price feeds
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let coins = coin::withdraw(user, pyth::get_update_fee());
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pyth::update_price_feeds(pyth_update_data, coins);
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// Price Feed Identifier of BTC/USD in Testnet
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let btc_price_identifier = x"f9c0172ba10dfa4d19088d94f5bf61d3b54d5bd7483a322a982e1373ee8ea31b";
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// Now we can use the prices which we have just updated
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let btc_usd_price_id = price_identifier::from_byte_vec(btc_price_identifier);
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pyth::get_price(btc_usd_price_id)
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}
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}
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