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fix: trace_filter properly matches when from_addresses or to_addresses aren't set #5291

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merged 3 commits into from
Nov 4, 2023
Merged

fix: trace_filter properly matches when from_addresses or to_addresses aren't set #5291

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1f99be3
Fix bug in matching logic for `trace_filter`
phillipleblanc Nov 4, 2023
18ab2a9
Simplify logic using a local enum
phillipleblanc Nov 4, 2023
14f00c3
Just one match
phillipleblanc Nov 4, 2023
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129 changes: 97 additions & 32 deletions crates/rpc/rpc-types/src/eth/trace/filter.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@ pub enum TraceFilterMode {
Intersection,
}

/// Helper type for matching `from` and `to` addresses.
/// Helper type for matching `from` and `to` addresses. Empty sets match all addresses.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct TraceFilterMatcher {
mode: TraceFilterMode,
Expand All @@ -63,27 +63,28 @@ pub struct TraceFilterMatcher {
impl TraceFilterMatcher {
/// Returns `true` if the given `from` and `to` addresses match this filter.
pub fn matches(&self, from: Address, to: Option<Address>) -> bool {
// If `from_addresses` and `to_addresses` are empty, then match all transactions.
if self.from_addresses.is_empty() && self.to_addresses.is_empty() {
return true;
}

match self.mode {
TraceFilterMode::Union => {
self.from_addresses.contains(&from) ||
to.map_or(false, |to| self.to_addresses.contains(&to))
}
TraceFilterMode::Intersection => {
self.from_addresses.contains(&from) &&
to.map_or(false, |to| self.to_addresses.contains(&to))
}
match (self.from_addresses.is_empty(), self.to_addresses.is_empty()) {
(true, true) => true,
(false, true) => self.from_addresses.contains(&from),
(true, false) => to.map_or(false, |to_addr| self.to_addresses.contains(&to_addr)),
(false, false) => match self.mode {
TraceFilterMode::Union => {
self.from_addresses.contains(&from) ||
to.map_or(false, |to_addr| self.to_addresses.contains(&to_addr))
}
TraceFilterMode::Intersection => {
self.from_addresses.contains(&from) &&
to.map_or(false, |to_addr| self.to_addresses.contains(&to_addr))
}
},
}
}
}

#[cfg(test)]
mod tests {
use super::*;
use serde_json::json;

#[test]
fn test_parse_filter() {
Expand All @@ -94,25 +95,89 @@ mod tests {
}

#[test]
fn test_filter_matcher() {
let s = r#"{"fromBlock": "0x3","toBlock": "0x5"}"#;
let filter: TraceFilter = serde_json::from_str(s).unwrap();
fn test_filter_matcher_addresses_unspecified() {
let test_addr_d8 = "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045".parse().unwrap();
let test_addr_16 = "0x160f5f00288e9e1cc8655b327e081566e580a71d".parse().unwrap();
let filter_json = json!({
"fromBlock": "0x3",
"toBlock": "0x5",
});
let filter: TraceFilter =
serde_json::from_value(filter_json).expect("Failed to parse filter");
let matcher = filter.matcher();
assert!(matcher.matches(test_addr_d8, None));
assert!(matcher.matches(test_addr_16, None));
assert!(matcher.matches(test_addr_d8, Some(test_addr_16)));
assert!(matcher.matches(test_addr_16, Some(test_addr_d8)));
}

#[test]
fn test_filter_matcher_from_address() {
let test_addr_d8 = "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045".parse().unwrap();
let test_addr_16 = "0x160f5f00288e9e1cc8655b327e081566e580a71d".parse().unwrap();
let filter_json = json!({
"fromBlock": "0x3",
"toBlock": "0x5",
"fromAddress": [test_addr_d8]
});
let filter: TraceFilter = serde_json::from_value(filter_json).unwrap();
let matcher = filter.matcher();
assert!(
matcher.matches("0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045".parse().unwrap(), None)
);
assert!(
matcher.matches("0x160f5f00288e9e1cc8655b327e081566e580a71d".parse().unwrap(), None)
);
assert!(matcher.matches(test_addr_d8, None));
assert!(!matcher.matches(test_addr_16, None));
assert!(matcher.matches(test_addr_d8, Some(test_addr_16)));
assert!(!matcher.matches(test_addr_16, Some(test_addr_d8)));
}

let s = r#"{"fromBlock": "0x3","toBlock": "0x5", "fromAddress": ["0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"]}"#;
let filter: TraceFilter = serde_json::from_str(s).unwrap();
#[test]
fn test_filter_matcher_to_address() {
let test_addr_d8 = "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045".parse().unwrap();
let test_addr_16 = "0x160f5f00288e9e1cc8655b327e081566e580a71d".parse().unwrap();
let filter_json = json!({
"fromBlock": "0x3",
"toBlock": "0x5",
"toAddress": [test_addr_d8],
});
let filter: TraceFilter = serde_json::from_value(filter_json).unwrap();
let matcher = filter.matcher();
assert!(matcher.matches(test_addr_16, Some(test_addr_d8)));
assert!(!matcher.matches(test_addr_16, None));
assert!(!matcher.matches(test_addr_d8, Some(test_addr_16)));
}

#[test]
fn test_filter_matcher_both_addresses_union() {
let test_addr_d8 = "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045".parse().unwrap();
let test_addr_16 = "0x160f5f00288e9e1cc8655b327e081566e580a71d".parse().unwrap();
let filter_json = json!({
"fromBlock": "0x3",
"toBlock": "0x5",
"fromAddress": [test_addr_16],
"toAddress": [test_addr_d8],
});
let filter: TraceFilter = serde_json::from_value(filter_json).unwrap();
let matcher = filter.matcher();
assert!(matcher.matches(test_addr_16, Some(test_addr_d8)));
assert!(matcher.matches(test_addr_16, None));
assert!(matcher.matches(test_addr_d8, Some(test_addr_d8)));
assert!(!matcher.matches(test_addr_d8, Some(test_addr_16)));
}

#[test]
fn test_filter_matcher_both_addresses_intersection() {
let test_addr_d8 = "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045".parse().unwrap();
let test_addr_16 = "0x160f5f00288e9e1cc8655b327e081566e580a71d".parse().unwrap();
let filter_json = json!({
"fromBlock": "0x3",
"toBlock": "0x5",
"fromAddress": [test_addr_16],
"toAddress": [test_addr_d8],
"mode": "intersection",
});
let filter: TraceFilter = serde_json::from_value(filter_json).unwrap();
let matcher = filter.matcher();
assert!(
matcher.matches("0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045".parse().unwrap(), None)
);
assert!(
!matcher.matches("0x160f5f00288e9e1cc8655b327e081566e580a71d".parse().unwrap(), None)
);
assert!(matcher.matches(test_addr_16, Some(test_addr_d8)));
assert!(!matcher.matches(test_addr_16, None));
assert!(!matcher.matches(test_addr_d8, Some(test_addr_d8)));
assert!(!matcher.matches(test_addr_d8, Some(test_addr_16)));
}
}
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