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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `lib/client/src/swap/jupiter_v6.rs`."><title>jupiter_v6.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ba5701c5741a7b69.css" id="mainThemeStyle"><div id="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="mango_v4_client" data-themes="" data-resource-suffix="" data-rustdoc-version="1.70.0 (90c541806 2023-05-31)" data-search-js="search-e077946657036a58.js" data-settings-js="settings-298e1ea74db45b39.js" data-settings-css="settings-7bfb4c59cc6bc502.css" data-theme-light-css="light-0f8c037637f9eb3e.css" data-theme-dark-css="dark-1097f8e92a01e3cf.css" data-theme-ayu-css="ayu-614652228113ac93.css" ></div><script src="../../../static.files/storage-62ce34ea385b278a.js"></script><script defer src="../../../static.files/source-script-905937fbbdc8e9ea.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../static.files/main-f61008743c98d196.js"></script><noscript><link rel="stylesheet" media="(prefers-color-scheme:light)" href="../../../static.files/light-0f8c037637f9eb3e.css"><link rel="stylesheet" media="(prefers-color-scheme:dark)" href="../../../static.files/dark-1097f8e92a01e3cf.css"><link rel="stylesheet" href="../../../static.files/noscript-13285aec31fa243e.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><nav class="sub"><a class="sub-logo-container" href="../../../mango_v4_client/index.html"><img class="rust-logo" src="../../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a>
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<a href="#314" id="314">314</a>
|
||
<a href="#315" id="315">315</a>
|
||
<a href="#316" id="316">316</a>
|
||
<a href="#317" id="317">317</a>
|
||
<a href="#318" id="318">318</a>
|
||
<a href="#319" id="319">319</a>
|
||
<a href="#320" id="320">320</a>
|
||
<a href="#321" id="321">321</a>
|
||
<a href="#322" id="322">322</a>
|
||
<a href="#323" id="323">323</a>
|
||
<a href="#324" id="324">324</a>
|
||
<a href="#325" id="325">325</a>
|
||
<a href="#326" id="326">326</a>
|
||
<a href="#327" id="327">327</a>
|
||
<a href="#328" id="328">328</a>
|
||
<a href="#329" id="329">329</a>
|
||
<a href="#330" id="330">330</a>
|
||
<a href="#331" id="331">331</a>
|
||
<a href="#332" id="332">332</a>
|
||
<a href="#333" id="333">333</a>
|
||
<a href="#334" id="334">334</a>
|
||
<a href="#335" id="335">335</a>
|
||
<a href="#336" id="336">336</a>
|
||
<a href="#337" id="337">337</a>
|
||
<a href="#338" id="338">338</a>
|
||
<a href="#339" id="339">339</a>
|
||
<a href="#340" id="340">340</a>
|
||
<a href="#341" id="341">341</a>
|
||
<a href="#342" id="342">342</a>
|
||
<a href="#343" id="343">343</a>
|
||
<a href="#344" id="344">344</a>
|
||
<a href="#345" id="345">345</a>
|
||
<a href="#346" id="346">346</a>
|
||
<a href="#347" id="347">347</a>
|
||
<a href="#348" id="348">348</a>
|
||
<a href="#349" id="349">349</a>
|
||
<a href="#350" id="350">350</a>
|
||
<a href="#351" id="351">351</a>
|
||
<a href="#352" id="352">352</a>
|
||
<a href="#353" id="353">353</a>
|
||
<a href="#354" id="354">354</a>
|
||
<a href="#355" id="355">355</a>
|
||
<a href="#356" id="356">356</a>
|
||
<a href="#357" id="357">357</a>
|
||
<a href="#358" id="358">358</a>
|
||
<a href="#359" id="359">359</a>
|
||
<a href="#360" id="360">360</a>
|
||
<a href="#361" id="361">361</a>
|
||
<a href="#362" id="362">362</a>
|
||
<a href="#363" id="363">363</a>
|
||
<a href="#364" id="364">364</a>
|
||
<a href="#365" id="365">365</a>
|
||
<a href="#366" id="366">366</a>
|
||
<a href="#367" id="367">367</a>
|
||
<a href="#368" id="368">368</a>
|
||
<a href="#369" id="369">369</a>
|
||
<a href="#370" id="370">370</a>
|
||
<a href="#371" id="371">371</a>
|
||
<a href="#372" id="372">372</a>
|
||
<a href="#373" id="373">373</a>
|
||
<a href="#374" id="374">374</a>
|
||
<a href="#375" id="375">375</a>
|
||
<a href="#376" id="376">376</a>
|
||
<a href="#377" id="377">377</a>
|
||
<a href="#378" id="378">378</a>
|
||
<a href="#379" id="379">379</a>
|
||
<a href="#380" id="380">380</a>
|
||
<a href="#381" id="381">381</a>
|
||
<a href="#382" id="382">382</a>
|
||
<a href="#383" id="383">383</a>
|
||
<a href="#384" id="384">384</a>
|
||
<a href="#385" id="385">385</a>
|
||
<a href="#386" id="386">386</a>
|
||
<a href="#387" id="387">387</a>
|
||
<a href="#388" id="388">388</a>
|
||
<a href="#389" id="389">389</a>
|
||
<a href="#390" id="390">390</a>
|
||
<a href="#391" id="391">391</a>
|
||
<a href="#392" id="392">392</a>
|
||
<a href="#393" id="393">393</a>
|
||
<a href="#394" id="394">394</a>
|
||
<a href="#395" id="395">395</a>
|
||
<a href="#396" id="396">396</a>
|
||
<a href="#397" id="397">397</a>
|
||
<a href="#398" id="398">398</a>
|
||
<a href="#399" id="399">399</a>
|
||
<a href="#400" id="400">400</a>
|
||
<a href="#401" id="401">401</a>
|
||
<a href="#402" id="402">402</a>
|
||
<a href="#403" id="403">403</a>
|
||
<a href="#404" id="404">404</a>
|
||
<a href="#405" id="405">405</a>
|
||
<a href="#406" id="406">406</a>
|
||
<a href="#407" id="407">407</a>
|
||
<a href="#408" id="408">408</a>
|
||
<a href="#409" id="409">409</a>
|
||
<a href="#410" id="410">410</a>
|
||
<a href="#411" id="411">411</a>
|
||
<a href="#412" id="412">412</a>
|
||
<a href="#413" id="413">413</a>
|
||
<a href="#414" id="414">414</a>
|
||
<a href="#415" id="415">415</a>
|
||
<a href="#416" id="416">416</a>
|
||
<a href="#417" id="417">417</a>
|
||
<a href="#418" id="418">418</a>
|
||
<a href="#419" id="419">419</a>
|
||
<a href="#420" id="420">420</a>
|
||
</pre></div><pre class="rust"><code><span class="kw">use </span>std::str::FromStr;
|
||
<span class="kw">use </span>std::time::Duration;
|
||
|
||
<span class="kw">use </span>anchor_lang::prelude::Pubkey;
|
||
<span class="kw">use </span>serde::{Deserialize, Serialize};
|
||
|
||
<span class="kw">use </span>anchor_lang::Id;
|
||
<span class="kw">use </span>anchor_spl::token::Token;
|
||
|
||
<span class="kw">use </span><span class="kw">crate</span>::MangoClient;
|
||
<span class="kw">use crate</span>::{util, TransactionBuilder};
|
||
|
||
<span class="kw">use </span>anyhow::Context;
|
||
<span class="kw">use </span>solana_sdk::{instruction::Instruction, signature::Signature};
|
||
|
||
<span class="attr">#[derive(Deserialize, Serialize, Debug, Clone)]
|
||
#[serde(rename_all = <span class="string">"camelCase"</span>)]
|
||
</span><span class="kw">pub struct </span>QuoteResponse {
|
||
<span class="kw">pub </span>input_mint: String,
|
||
<span class="kw">pub </span>in_amount: <span class="prelude-ty">Option</span><String>,
|
||
<span class="kw">pub </span>output_mint: String,
|
||
<span class="kw">pub </span>out_amount: String,
|
||
<span class="kw">pub </span>other_amount_threshold: String,
|
||
<span class="kw">pub </span>swap_mode: String,
|
||
<span class="kw">pub </span>slippage_bps: i32,
|
||
<span class="kw">pub </span>platform_fee: <span class="prelude-ty">Option</span><PlatformFee>,
|
||
<span class="kw">pub </span>price_impact_pct: String,
|
||
<span class="kw">pub </span>route_plan: Vec<RoutePlan>,
|
||
<span class="kw">pub </span>context_slot: u64,
|
||
<span class="kw">pub </span>time_taken: f64,
|
||
}
|
||
|
||
<span class="attr">#[derive(Deserialize, Serialize, Debug, Clone)]
|
||
#[serde(rename_all = <span class="string">"camelCase"</span>)]
|
||
</span><span class="kw">pub struct </span>PlatformFee {
|
||
<span class="kw">pub </span>amount: String,
|
||
<span class="kw">pub </span>fee_bps: i32,
|
||
}
|
||
|
||
<span class="attr">#[derive(Deserialize, Serialize, Debug, Clone)]
|
||
#[serde(rename_all = <span class="string">"camelCase"</span>)]
|
||
</span><span class="kw">pub struct </span>RoutePlan {
|
||
<span class="kw">pub </span>percent: i32,
|
||
<span class="kw">pub </span>swap_info: <span class="prelude-ty">Option</span><SwapInfo>,
|
||
}
|
||
|
||
<span class="attr">#[derive(Deserialize, Serialize, Debug, Clone)]
|
||
#[serde(rename_all = <span class="string">"camelCase"</span>)]
|
||
</span><span class="kw">pub struct </span>SwapInfo {
|
||
<span class="kw">pub </span>amm_key: String,
|
||
<span class="kw">pub </span>label: <span class="prelude-ty">Option</span><String>,
|
||
<span class="kw">pub </span>input_mint: String,
|
||
<span class="kw">pub </span>output_mint: String,
|
||
<span class="kw">pub </span>in_amount: String,
|
||
<span class="kw">pub </span>out_amount: String,
|
||
<span class="kw">pub </span>fee_amount: String,
|
||
<span class="kw">pub </span>fee_mint: String,
|
||
}
|
||
|
||
<span class="attr">#[derive(Deserialize, Serialize, Debug, Clone)]
|
||
#[serde(rename_all = <span class="string">"camelCase"</span>)]
|
||
</span><span class="kw">pub struct </span>SwapRequest {
|
||
<span class="kw">pub </span>user_public_key: String,
|
||
<span class="kw">pub </span>wrap_and_unwrap_sol: bool,
|
||
<span class="kw">pub </span>use_shared_accounts: bool,
|
||
<span class="kw">pub </span>fee_account: <span class="prelude-ty">Option</span><String>,
|
||
<span class="kw">pub </span>compute_unit_price_micro_lamports: <span class="prelude-ty">Option</span><u64>,
|
||
<span class="kw">pub </span>as_legacy_transaction: bool,
|
||
<span class="kw">pub </span>use_token_ledger: bool,
|
||
<span class="kw">pub </span>destination_token_account: <span class="prelude-ty">Option</span><String>,
|
||
<span class="kw">pub </span>quote_response: QuoteResponse,
|
||
}
|
||
|
||
<span class="attr">#[derive(Deserialize, Serialize, Debug, Clone)]
|
||
#[serde(rename_all = <span class="string">"camelCase"</span>)]
|
||
</span><span class="kw">pub struct </span>JupiterSwapInstructionsResponse {
|
||
<span class="kw">pub </span>token_ledger_instruction: <span class="prelude-ty">Option</span><InstructionResponse>,
|
||
<span class="kw">pub </span>compute_budget_instructions: <span class="prelude-ty">Option</span><Vec<InstructionResponse>>,
|
||
<span class="kw">pub </span>setup_instructions: <span class="prelude-ty">Option</span><Vec<InstructionResponse>>,
|
||
<span class="kw">pub </span>swap_instruction: InstructionResponse,
|
||
<span class="kw">pub </span>cleanup_instructions: <span class="prelude-ty">Option</span><Vec<InstructionResponse>>,
|
||
<span class="kw">pub </span>address_lookup_table_addresses: <span class="prelude-ty">Option</span><Vec<String>>,
|
||
}
|
||
|
||
<span class="attr">#[derive(Deserialize, Serialize, Debug, Clone)]
|
||
#[serde(rename_all = <span class="string">"camelCase"</span>)]
|
||
</span><span class="kw">pub struct </span>InstructionResponse {
|
||
<span class="kw">pub </span>program_id: String,
|
||
<span class="kw">pub </span>data: <span class="prelude-ty">Option</span><String>,
|
||
<span class="kw">pub </span>accounts: <span class="prelude-ty">Option</span><Vec<AccountMeta>>,
|
||
}
|
||
|
||
<span class="attr">#[derive(Deserialize, Serialize, Debug, Clone)]
|
||
#[serde(rename_all = <span class="string">"camelCase"</span>)]
|
||
</span><span class="kw">pub struct </span>AccountMeta {
|
||
<span class="kw">pub </span>pubkey: String,
|
||
<span class="kw">pub </span>is_signer: <span class="prelude-ty">Option</span><bool>,
|
||
<span class="kw">pub </span>is_writable: <span class="prelude-ty">Option</span><bool>,
|
||
}
|
||
|
||
<span class="kw">impl </span>TryFrom<<span class="kw-2">&</span>InstructionResponse> <span class="kw">for </span>solana_sdk::instruction::Instruction {
|
||
<span class="kw">type </span>Error = anyhow::Error;
|
||
<span class="kw">fn </span>try_from(m: <span class="kw-2">&</span>InstructionResponse) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, <span class="self">Self</span>::Error> {
|
||
<span class="prelude-val">Ok</span>(<span class="self">Self </span>{
|
||
program_id: Pubkey::from_str(<span class="kw-2">&</span>m.program_id)<span class="question-mark">?</span>,
|
||
data: m
|
||
.data
|
||
.as_ref()
|
||
.map(|d| base64::decode(d))
|
||
.unwrap_or(<span class="prelude-val">Ok</span>(<span class="macro">vec!</span>[]))<span class="question-mark">?</span>,
|
||
accounts: m
|
||
.accounts
|
||
.as_ref()
|
||
.map(|accs| {
|
||
accs.iter()
|
||
.map(|a| a.try_into())
|
||
.collect::<anyhow::Result<Vec<solana_sdk::instruction::AccountMeta>>>()
|
||
})
|
||
.unwrap_or(<span class="prelude-val">Ok</span>(<span class="macro">vec!</span>[]))<span class="question-mark">?</span>,
|
||
})
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl </span>TryFrom<<span class="kw-2">&</span>AccountMeta> <span class="kw">for </span>solana_sdk::instruction::AccountMeta {
|
||
<span class="kw">type </span>Error = anyhow::Error;
|
||
<span class="kw">fn </span>try_from(m: <span class="kw-2">&</span>AccountMeta) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, <span class="self">Self</span>::Error> {
|
||
<span class="prelude-val">Ok</span>(<span class="self">Self </span>{
|
||
pubkey: Pubkey::from_str(<span class="kw-2">&</span>m.pubkey)<span class="question-mark">?</span>,
|
||
is_signer: m.is_signer.unwrap_or(<span class="bool-val">false</span>),
|
||
is_writable: m.is_writable.unwrap_or(<span class="bool-val">false</span>),
|
||
})
|
||
}
|
||
}
|
||
|
||
<span class="kw">pub struct </span>JupiterV6<<span class="lifetime">'a</span>> {
|
||
<span class="kw">pub </span>mango_client: <span class="kw-2">&</span><span class="lifetime">'a </span>MangoClient,
|
||
<span class="kw">pub </span>timeout_duration: Duration,
|
||
}
|
||
|
||
<span class="kw">impl</span><<span class="lifetime">'a</span>> JupiterV6<<span class="lifetime">'a</span>> {
|
||
<span class="kw">pub async fn </span>quote(
|
||
<span class="kw-2">&</span><span class="self">self</span>,
|
||
input_mint: Pubkey,
|
||
output_mint: Pubkey,
|
||
amount: u64,
|
||
slippage_bps: u64,
|
||
only_direct_routes: bool,
|
||
) -> anyhow::Result<QuoteResponse> {
|
||
<span class="kw">let </span><span class="kw-2">mut </span>account = <span class="self">self</span>.mango_client.mango_account().<span class="kw">await</span><span class="question-mark">?</span>;
|
||
<span class="kw">let </span>input_token_index = <span class="self">self
|
||
</span>.mango_client
|
||
.context
|
||
.token_by_mint(<span class="kw-2">&</span>input_mint)<span class="question-mark">?
|
||
</span>.token_index;
|
||
<span class="kw">let </span>output_token_index = <span class="self">self
|
||
</span>.mango_client
|
||
.context
|
||
.token_by_mint(<span class="kw-2">&</span>output_mint)<span class="question-mark">?
|
||
</span>.token_index;
|
||
account.ensure_token_position(input_token_index)<span class="question-mark">?</span>;
|
||
account.ensure_token_position(output_token_index)<span class="question-mark">?</span>;
|
||
|
||
<span class="kw">let </span>health_account_num =
|
||
<span class="comment">// bank and oracle
|
||
</span><span class="number">2 </span>* account.active_token_positions().count()
|
||
<span class="comment">// perp market and oracle
|
||
</span>+ <span class="number">2 </span>* account.active_perp_positions().count()
|
||
<span class="comment">// open orders account
|
||
</span>+ account.active_serum3_orders().count();
|
||
<span class="comment">// The mango instructions need the health account plus
|
||
// mango program and group and account and instruction introspection.
|
||
// Other accounts are shared between jupiter and mango:
|
||
// token accounts, mints, token program, ata program, owner
|
||
</span><span class="kw">let </span>extra_accounts = <span class="number">4</span>;
|
||
<span class="comment">// To produce more of a margin for error (also for the tx bytes size)
|
||
</span><span class="kw">let </span>buffer_accounts = <span class="number">6</span>;
|
||
<span class="kw">let </span>flash_loan_account_num = health_account_num + extra_accounts + buffer_accounts;
|
||
|
||
<span class="kw">let </span><span class="kw-2">mut </span>query_args = <span class="macro">vec!</span>[
|
||
(<span class="string">"inputMint"</span>, input_mint.to_string()),
|
||
(<span class="string">"outputMint"</span>, output_mint.to_string()),
|
||
(<span class="string">"amount"</span>, <span class="macro">format!</span>(<span class="string">"{}"</span>, amount)),
|
||
(<span class="string">"slippageBps"</span>, <span class="macro">format!</span>(<span class="string">"{}"</span>, slippage_bps)),
|
||
(<span class="string">"onlyDirectRoutes"</span>, only_direct_routes.to_string()),
|
||
(
|
||
<span class="string">"maxAccounts"</span>,
|
||
<span class="macro">format!</span>(
|
||
<span class="string">"{}"</span>,
|
||
<span class="kw">crate</span>::MAX_ACCOUNTS_PER_TRANSACTION - flash_loan_account_num
|
||
),
|
||
),
|
||
];
|
||
<span class="kw">let </span>config = <span class="self">self</span>.mango_client.client.config();
|
||
<span class="kw">if </span>!config.jupiter_token.is_empty() {
|
||
query_args.push((<span class="string">"token"</span>, config.jupiter_token.clone()));
|
||
}
|
||
|
||
<span class="kw">let </span>response = <span class="self">self
|
||
</span>.mango_client
|
||
.http_client
|
||
.get(<span class="macro">format!</span>(<span class="string">"{}/quote"</span>, config.jupiter_v6_url))
|
||
.query(<span class="kw-2">&</span>query_args)
|
||
.timeout(<span class="self">self</span>.timeout_duration)
|
||
.send()
|
||
.<span class="kw">await
|
||
</span>.context(<span class="string">"quote request to jupiter"</span>)<span class="question-mark">?</span>;
|
||
<span class="kw">let </span>quote: QuoteResponse =
|
||
util::http_error_handling(response).<span class="kw">await</span>.with_context(|| {
|
||
<span class="macro">format!</span>(<span class="string">"error requesting jupiter route between {input_mint} and {output_mint}"</span>)
|
||
})<span class="question-mark">?</span>;
|
||
|
||
<span class="prelude-val">Ok</span>(quote)
|
||
}
|
||
|
||
<span class="doccomment">/// Find the instructions and account lookup tables for a jupiter swap through mango
|
||
</span><span class="kw">pub async fn </span>prepare_swap_transaction(
|
||
<span class="kw-2">&</span><span class="self">self</span>,
|
||
quote: <span class="kw-2">&</span>QuoteResponse,
|
||
) -> anyhow::Result<TransactionBuilder> {
|
||
<span class="kw">let </span>input_mint = Pubkey::from_str(<span class="kw-2">&</span>quote.input_mint)<span class="question-mark">?</span>;
|
||
<span class="kw">let </span>output_mint = Pubkey::from_str(<span class="kw-2">&</span>quote.output_mint)<span class="question-mark">?</span>;
|
||
|
||
<span class="kw">let </span>source_token = <span class="self">self</span>.mango_client.context.token_by_mint(<span class="kw-2">&</span>input_mint)<span class="question-mark">?</span>;
|
||
<span class="kw">let </span>target_token = <span class="self">self</span>.mango_client.context.token_by_mint(<span class="kw-2">&</span>output_mint)<span class="question-mark">?</span>;
|
||
|
||
<span class="kw">let </span>bank_ams = [source_token.first_bank(), target_token.first_bank()]
|
||
.into_iter()
|
||
.map(util::to_writable_account_meta)
|
||
.collect::<Vec<<span class="kw">_</span>>>();
|
||
|
||
<span class="kw">let </span>vault_ams = [source_token.first_vault(), target_token.first_vault()]
|
||
.into_iter()
|
||
.map(util::to_writable_account_meta)
|
||
.collect::<Vec<<span class="kw">_</span>>>();
|
||
|
||
<span class="kw">let </span>authority = <span class="self">self</span>.mango_client.authority();
|
||
<span class="kw">let </span>account = <span class="kw-2">&</span><span class="self">self</span>.mango_client.mango_account().<span class="kw">await</span><span class="question-mark">?</span>;
|
||
|
||
<span class="kw">let </span>token_ams = [source_token.mint, target_token.mint]
|
||
.into_iter()
|
||
.map(|mint| {
|
||
util::to_writable_account_meta(
|
||
anchor_spl::associated_token::get_associated_token_address(<span class="kw-2">&</span>authority, <span class="kw-2">&</span>mint),
|
||
)
|
||
})
|
||
.collect::<Vec<<span class="kw">_</span>>>();
|
||
|
||
<span class="kw">let </span>source_loan = quote
|
||
.in_amount
|
||
.as_ref()
|
||
.map(|v| u64::from_str(v).unwrap())
|
||
.unwrap_or(<span class="number">0</span>);
|
||
<span class="kw">let </span>loan_amounts = <span class="macro">vec!</span>[source_loan, <span class="number">0u64</span>];
|
||
<span class="kw">let </span>num_loans: u8 = loan_amounts.len().try_into().unwrap();
|
||
|
||
<span class="comment">// This relies on the fact that health account banks will be identical to the first_bank above!
|
||
</span><span class="kw">let </span>(health_ams, _health_cu) = <span class="self">self
|
||
</span>.mango_client
|
||
.derive_health_check_remaining_account_metas(
|
||
account,
|
||
<span class="macro">vec!</span>[source_token.token_index, target_token.token_index],
|
||
<span class="macro">vec!</span>[source_token.token_index, target_token.token_index],
|
||
<span class="macro">vec!</span>[],
|
||
)
|
||
.<span class="kw">await
|
||
</span>.context(<span class="string">"building health accounts"</span>)<span class="question-mark">?</span>;
|
||
|
||
<span class="kw">let </span><span class="kw-2">mut </span>query_args = <span class="macro">vec!</span>[];
|
||
<span class="kw">let </span>config = <span class="self">self</span>.mango_client.client.config();
|
||
<span class="kw">if </span>!config.jupiter_token.is_empty() {
|
||
query_args.push((<span class="string">"token"</span>, config.jupiter_token.clone()));
|
||
}
|
||
|
||
<span class="kw">let </span>swap_response = <span class="self">self
|
||
</span>.mango_client
|
||
.http_client
|
||
.post(<span class="macro">format!</span>(<span class="string">"{}/swap-instructions"</span>, config.jupiter_v6_url))
|
||
.query(<span class="kw-2">&</span>query_args)
|
||
.json(<span class="kw-2">&</span>SwapRequest {
|
||
user_public_key: authority.to_string(),
|
||
wrap_and_unwrap_sol: <span class="bool-val">false</span>,
|
||
use_shared_accounts: <span class="bool-val">true</span>,
|
||
fee_account: <span class="prelude-val">None</span>,
|
||
compute_unit_price_micro_lamports: <span class="prelude-val">None</span>, <span class="comment">// we already prioritize
|
||
</span>as_legacy_transaction: <span class="bool-val">false</span>,
|
||
use_token_ledger: <span class="bool-val">false</span>,
|
||
destination_token_account: <span class="prelude-val">None</span>, <span class="comment">// default to user ata
|
||
</span>quote_response: quote.clone(),
|
||
})
|
||
.timeout(<span class="self">self</span>.timeout_duration)
|
||
.send()
|
||
.<span class="kw">await
|
||
</span>.context(<span class="string">"swap transaction request to jupiter"</span>)<span class="question-mark">?</span>;
|
||
|
||
<span class="kw">let </span>swap: JupiterSwapInstructionsResponse = util::http_error_handling(swap_response)
|
||
.<span class="kw">await
|
||
</span>.context(<span class="string">"error requesting jupiter swap"</span>)<span class="question-mark">?</span>;
|
||
|
||
<span class="kw">let </span><span class="kw-2">mut </span>instructions: Vec<Instruction> = Vec::new();
|
||
|
||
<span class="kw">for </span>ix <span class="kw">in </span><span class="kw-2">&</span>swap.compute_budget_instructions.unwrap_or_default() {
|
||
instructions.push(ix.try_into()<span class="question-mark">?</span>);
|
||
}
|
||
<span class="kw">for </span>ix <span class="kw">in </span><span class="kw-2">&</span>swap.setup_instructions.unwrap_or_default() {
|
||
instructions.push(ix.try_into()<span class="question-mark">?</span>);
|
||
}
|
||
|
||
<span class="comment">// Ensure the source token account is created (jupiter takes care of the output account)
|
||
</span>instructions.push(
|
||
spl_associated_token_account::instruction::create_associated_token_account_idempotent(
|
||
<span class="kw-2">&</span>authority,
|
||
<span class="kw-2">&</span>authority,
|
||
<span class="kw-2">&</span>source_token.mint,
|
||
<span class="kw-2">&</span>Token::id(),
|
||
),
|
||
);
|
||
|
||
instructions.push(Instruction {
|
||
program_id: mango_v4::id(),
|
||
accounts: {
|
||
<span class="kw">let </span><span class="kw-2">mut </span>ams = anchor_lang::ToAccountMetas::to_account_metas(
|
||
<span class="kw-2">&</span>mango_v4::accounts::FlashLoanBegin {
|
||
account: <span class="self">self</span>.mango_client.mango_account_address,
|
||
owner: authority,
|
||
token_program: Token::id(),
|
||
instructions: solana_sdk::sysvar::instructions::id(),
|
||
},
|
||
<span class="prelude-val">None</span>,
|
||
);
|
||
ams.extend(bank_ams);
|
||
ams.extend(vault_ams.clone());
|
||
ams.extend(token_ams.clone());
|
||
ams.push(util::to_readonly_account_meta(<span class="self">self</span>.mango_client.group()));
|
||
ams
|
||
},
|
||
data: anchor_lang::InstructionData::data(<span class="kw-2">&</span>mango_v4::instruction::FlashLoanBegin {
|
||
loan_amounts,
|
||
}),
|
||
});
|
||
instructions.push((<span class="kw-2">&</span>swap.swap_instruction).try_into()<span class="question-mark">?</span>);
|
||
instructions.push(Instruction {
|
||
program_id: mango_v4::id(),
|
||
accounts: {
|
||
<span class="kw">let </span><span class="kw-2">mut </span>ams = anchor_lang::ToAccountMetas::to_account_metas(
|
||
<span class="kw-2">&</span>mango_v4::accounts::FlashLoanEnd {
|
||
account: <span class="self">self</span>.mango_client.mango_account_address,
|
||
owner: authority,
|
||
token_program: Token::id(),
|
||
},
|
||
<span class="prelude-val">None</span>,
|
||
);
|
||
ams.extend(health_ams);
|
||
ams.extend(vault_ams);
|
||
ams.extend(token_ams);
|
||
ams.push(util::to_readonly_account_meta(<span class="self">self</span>.mango_client.group()));
|
||
ams
|
||
},
|
||
data: anchor_lang::InstructionData::data(<span class="kw-2">&</span>mango_v4::instruction::FlashLoanEndV2 {
|
||
num_loans,
|
||
flash_loan_type: mango_v4::accounts_ix::FlashLoanType::Swap,
|
||
}),
|
||
});
|
||
<span class="kw">for </span>ix <span class="kw">in </span><span class="kw-2">&</span>swap.cleanup_instructions.unwrap_or_default() {
|
||
instructions.push(ix.try_into()<span class="question-mark">?</span>);
|
||
}
|
||
|
||
<span class="kw">let </span><span class="kw-2">mut </span>address_lookup_tables = <span class="self">self</span>.mango_client.mango_address_lookup_tables().<span class="kw">await</span><span class="question-mark">?</span>;
|
||
<span class="kw">let </span>jup_alt_addresses = swap
|
||
.address_lookup_table_addresses
|
||
.map(|list| {
|
||
list.iter()
|
||
.map(|s| Pubkey::from_str(s))
|
||
.collect::<<span class="prelude-ty">Result</span><Vec<<span class="kw">_</span>>, <span class="kw">_</span>>>()
|
||
})
|
||
.unwrap_or(<span class="prelude-val">Ok</span>(<span class="macro">vec!</span>[]))<span class="question-mark">?</span>;
|
||
<span class="kw">let </span>jup_alts = <span class="self">self
|
||
</span>.mango_client
|
||
.fetch_address_lookup_tables(jup_alt_addresses.iter())
|
||
.<span class="kw">await</span><span class="question-mark">?</span>;
|
||
address_lookup_tables.extend(jup_alts.into_iter());
|
||
|
||
<span class="kw">let </span>payer = authority; <span class="comment">// maybe use fee_payer? but usually it's the same
|
||
|
||
</span><span class="prelude-val">Ok</span>(TransactionBuilder {
|
||
instructions,
|
||
address_lookup_tables,
|
||
payer,
|
||
signers: <span class="macro">vec!</span>[<span class="self">self</span>.mango_client.authority.clone()],
|
||
config: <span class="self">self
|
||
</span>.mango_client
|
||
.client
|
||
.config()
|
||
.transaction_builder_config
|
||
.clone(),
|
||
})
|
||
}
|
||
|
||
<span class="kw">pub async fn </span>swap(
|
||
<span class="kw-2">&</span><span class="self">self</span>,
|
||
input_mint: Pubkey,
|
||
output_mint: Pubkey,
|
||
amount: u64,
|
||
slippage_bps: u64,
|
||
only_direct_routes: bool,
|
||
) -> anyhow::Result<Signature> {
|
||
<span class="kw">let </span>route = <span class="self">self
|
||
</span>.quote(
|
||
input_mint,
|
||
output_mint,
|
||
amount,
|
||
slippage_bps,
|
||
only_direct_routes,
|
||
)
|
||
.<span class="kw">await</span><span class="question-mark">?</span>;
|
||
|
||
<span class="kw">let </span>tx_builder = <span class="self">self</span>.prepare_swap_transaction(<span class="kw-2">&</span>route).<span class="kw">await</span><span class="question-mark">?</span>;
|
||
|
||
tx_builder.send_and_confirm(<span class="kw-2">&</span><span class="self">self</span>.mango_client.client).<span class="kw">await
|
||
</span>}
|
||
}
|
||
</code></pre></div></section></main></body></html> |