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Patch: toggle_written_columns for multiple files #602

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merged 7 commits into from
Oct 11, 2023
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2 changes: 1 addition & 1 deletion arbiter-core/Cargo.toml
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
[package]
name = "arbiter-core"
version = "0.6.0"
version = "0.6.1"
edition = "2021"
authors = ["Waylon Jepsen <waylonjepsen1@gmail.com>", "Colin Roberts <colin@autoparallel.xyz>"]
description = "Allowing smart contract developers to do simulation driven development via an EVM emulator"
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11 changes: 7 additions & 4 deletions arbiter-core/src/data_collection.rs
Original file line number Diff line number Diff line change
Expand Up @@ -86,8 +86,8 @@ impl EventLogger {
std::fs::create_dir_all(&event_dir).unwrap();
self.events.spawn(async move {
let mut stream = event.stream().await.unwrap();
let mut toggle_written_columns = false;
let mut files: BTreeMap<String, tokio::fs::File> = BTreeMap::new();
let mut columns_written: BTreeMap<String, bool> = BTreeMap::new();
while let Some(Ok(log)) = stream.next().await {
let serialized = serde_json::to_string(&log).unwrap();
let deserialized: BTreeMap<String, Value> =
Expand All @@ -96,6 +96,7 @@ impl EventLogger {
let file_name = event_dir.join(format!("{}.csv", key));
let file_key = file_name.to_str().unwrap();
let file_value = files.get(file_key);
let toggle_written_columns = columns_written.get(file_key).unwrap_or(&false);
if file_value.is_none() {
files.insert(
file_key.into(),
Expand All @@ -108,9 +109,10 @@ impl EventLogger {
.unwrap(),
);
}
let file: &mut tokio::fs::File = files.get_mut(file_key).unwrap();

if toggle_written_columns {
let file = files.get_mut(file_key).unwrap();

if toggle_written_columns == &true {
let values = value
.as_object()
.unwrap()
Expand All @@ -121,7 +123,7 @@ impl EventLogger {
file.write_all(values.as_bytes()).await.unwrap();
file.write_all("\n".as_bytes()).await.unwrap();
} else {
toggle_written_columns = true;
columns_written.entry(file_key.into()).or_insert(true);
let columns = value
.as_object()
.unwrap()
Expand All @@ -139,6 +141,7 @@ impl EventLogger {
.collect::<Vec<String>>()
.join(",");
file.write_all(values.as_bytes()).await.unwrap();
file.write_all("\n".as_bytes()).await.unwrap();
}
continue;
}
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