313 lines
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313 lines
17 KiB
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</pre></div><pre class="rust"><code><span class="kw">use </span>solana_sdk::compute_budget::ComputeBudgetInstruction;
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<span class="kw">use </span>solana_sdk::instruction::Instruction;
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<span class="kw">use </span>anchor_lang::prelude::{AccountMeta, Pubkey};
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<span class="kw">use </span>anyhow::Context;
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<span class="doccomment">/// Some Result<> types don't convert to anyhow::Result nicely. Force them through stringification.
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</span><span class="kw">pub trait </span>AnyhowWrap {
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<span class="kw">type </span>Value;
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<span class="kw">fn </span>map_err_anyhow(<span class="self">self</span>) -> anyhow::Result<<span class="self">Self</span>::Value>;
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}
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<span class="kw">impl</span><T, E: std::fmt::Debug> AnyhowWrap <span class="kw">for </span><span class="prelude-ty">Result</span><T, E> {
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<span class="kw">type </span>Value = T;
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<span class="kw">fn </span>map_err_anyhow(<span class="self">self</span>) -> anyhow::Result<<span class="self">Self</span>::Value> {
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<span class="self">self</span>.map_err(|err| <span class="macro">anyhow::anyhow!</span>(<span class="string">"{:?}"</span>, err))
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}
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}
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<span class="doccomment">/// Push to an async_channel::Sender and ignore if the channel is full
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</span><span class="kw">pub trait </span>AsyncChannelSendUnlessFull<T> {
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<span class="doccomment">/// Send a message if the channel isn't full
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</span><span class="kw">fn </span>send_unless_full(<span class="kw-2">&</span><span class="self">self</span>, msg: T) -> anyhow::Result<()>;
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}
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<span class="kw">impl</span><T> AsyncChannelSendUnlessFull<T> <span class="kw">for </span>async_channel::Sender<T> {
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<span class="kw">fn </span>send_unless_full(<span class="kw-2">&</span><span class="self">self</span>, msg: T) -> anyhow::Result<()> {
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<span class="kw">use </span>async_channel::<span class="kw-2">*</span>;
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<span class="kw">match </span><span class="self">self</span>.try_send(msg) {
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<span class="prelude-val">Ok</span>(()) => <span class="prelude-val">Ok</span>(()),
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<span class="prelude-val">Err</span>(TrySendError::Closed(<span class="kw">_</span>)) => <span class="prelude-val">Err</span>(<span class="macro">anyhow::format_err!</span>(<span class="string">"channel is closed"</span>)),
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<span class="prelude-val">Err</span>(TrySendError::Full(<span class="kw">_</span>)) => <span class="prelude-val">Ok</span>(()),
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}
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}
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}
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<span class="kw">impl</span><T> AsyncChannelSendUnlessFull<T> <span class="kw">for </span>tokio::sync::mpsc::Sender<T> {
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<span class="kw">fn </span>send_unless_full(<span class="kw-2">&</span><span class="self">self</span>, msg: T) -> anyhow::Result<()> {
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<span class="kw">use </span>tokio::sync::mpsc::<span class="kw-2">*</span>;
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<span class="kw">match </span><span class="self">self</span>.try_send(msg) {
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<span class="prelude-val">Ok</span>(()) => <span class="prelude-val">Ok</span>(()),
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<span class="prelude-val">Err</span>(error::TrySendError::Closed(<span class="kw">_</span>)) => <span class="prelude-val">Err</span>(<span class="macro">anyhow::format_err!</span>(<span class="string">"channel is closed"</span>)),
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<span class="prelude-val">Err</span>(error::TrySendError::Full(<span class="kw">_</span>)) => <span class="prelude-val">Ok</span>(()),
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}
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}
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}
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<span class="doccomment">/// Like tokio::time::interval(), but with Delay as default MissedTickBehavior
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///
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/// The default (Burst) means that if the time between tick() calls is longer
|
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/// than `period` there'll be a burst of catch-up ticks.
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///
|
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/// This Interval guarantees that when tick() returns, at least `period` will have
|
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/// elapsed since the last return. That way it's more appropriate for jobs that
|
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/// don't need to catch up.
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</span><span class="kw">pub fn </span>delay_interval(period: std::time::Duration) -> tokio::time::Interval {
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<span class="kw">let </span><span class="kw-2">mut </span>interval = tokio::time::interval(period);
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interval.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Delay);
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interval
|
||
}
|
||
|
||
<span class="doccomment">/// Convenience function used in binaries to set up the fmt tracing_subscriber,
|
||
/// with cololring enabled only if logging to a terminal and with EnvFilter.
|
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</span><span class="kw">pub fn </span>tracing_subscriber_init() {
|
||
<span class="kw">let </span>format = tracing_subscriber::fmt::format().with_ansi(atty::is(atty::Stream::Stdout));
|
||
|
||
tracing_subscriber::fmt()
|
||
.with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
|
||
.event_format(format)
|
||
.init();
|
||
}
|
||
|
||
<span class="kw">pub async fn </span>http_error_handling<T: serde::de::DeserializeOwned>(
|
||
response: reqwest::Response,
|
||
) -> anyhow::Result<T> {
|
||
<span class="kw">let </span>status = response.status();
|
||
<span class="kw">let </span>response_text = response
|
||
.text()
|
||
.<span class="kw">await
|
||
</span>.context(<span class="string">"awaiting body of http request"</span>)<span class="question-mark">?</span>;
|
||
<span class="kw">if </span>!status.is_success() {
|
||
<span class="macro">anyhow::bail!</span>(<span class="string">"http request failed, status: {status}, body: {response_text}"</span>);
|
||
}
|
||
serde_json::from_str::<T>(<span class="kw-2">&</span>response_text)
|
||
.with_context(|| <span class="macro">format!</span>(<span class="string">"response has unexpected format, body: {response_text}"</span>))
|
||
}
|
||
|
||
<span class="kw">pub fn </span>to_readonly_account_meta(pubkey: Pubkey) -> AccountMeta {
|
||
AccountMeta {
|
||
pubkey,
|
||
is_writable: <span class="bool-val">false</span>,
|
||
is_signer: <span class="bool-val">false</span>,
|
||
}
|
||
}
|
||
|
||
<span class="kw">pub fn </span>to_writable_account_meta(pubkey: Pubkey) -> AccountMeta {
|
||
AccountMeta {
|
||
pubkey,
|
||
is_writable: <span class="bool-val">true</span>,
|
||
is_signer: <span class="bool-val">false</span>,
|
||
}
|
||
}
|
||
|
||
<span class="attr">#[derive(Default, Clone)]
|
||
</span><span class="kw">pub struct </span>PreparedInstructions {
|
||
<span class="kw">pub </span>instructions: Vec<Instruction>,
|
||
<span class="kw">pub </span>cu: u32,
|
||
}
|
||
|
||
<span class="kw">impl </span>PreparedInstructions {
|
||
<span class="kw">pub fn </span>new() -> <span class="self">Self </span>{
|
||
<span class="self">Self </span>{
|
||
instructions: <span class="macro">vec!</span>[],
|
||
cu: <span class="number">0</span>,
|
||
}
|
||
}
|
||
|
||
<span class="kw">pub fn </span>from_vec(instructions: Vec<Instruction>, cu: u32) -> <span class="self">Self </span>{
|
||
<span class="self">Self </span>{ instructions, cu }
|
||
}
|
||
|
||
<span class="kw">pub fn </span>from_single(instruction: Instruction, cu: u32) -> <span class="self">Self </span>{
|
||
<span class="self">Self </span>{
|
||
instructions: <span class="macro">vec!</span>[instruction],
|
||
cu,
|
||
}
|
||
}
|
||
|
||
<span class="kw">pub fn </span>push(<span class="kw-2">&mut </span><span class="self">self</span>, ix: Instruction, cu: u32) {
|
||
<span class="self">self</span>.instructions.push(ix);
|
||
<span class="self">self</span>.cu += cu;
|
||
}
|
||
|
||
<span class="kw">pub fn </span>append(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw-2">mut </span>other: <span class="self">Self</span>) {
|
||
<span class="self">self</span>.instructions.append(<span class="kw-2">&mut </span>other.instructions);
|
||
<span class="self">self</span>.cu += other.cu;
|
||
}
|
||
|
||
<span class="kw">pub fn </span>to_instructions(<span class="self">self</span>) -> Vec<Instruction> {
|
||
<span class="kw">let </span><span class="kw-2">mut </span>ixs = <span class="self">self</span>.instructions;
|
||
ixs.insert(<span class="number">0</span>, ComputeBudgetInstruction::set_compute_unit_limit(<span class="self">self</span>.cu));
|
||
ixs
|
||
}
|
||
|
||
<span class="kw">pub fn </span>is_empty(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||
<span class="self">self</span>.instructions.is_empty()
|
||
}
|
||
|
||
<span class="kw">pub fn </span>clear(<span class="kw-2">&mut </span><span class="self">self</span>) {
|
||
<span class="self">self</span>.instructions.clear();
|
||
<span class="self">self</span>.cu = <span class="number">0</span>;
|
||
}
|
||
|
||
<span class="kw">pub fn </span>len(<span class="kw-2">&</span><span class="self">self</span>) -> usize {
|
||
<span class="self">self</span>.instructions.len()
|
||
}
|
||
}
|
||
</code></pre></div></section></main></body></html> |