libmotiva 0.1.0

Sanctioned entities matching utilities
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

use std::collections::HashSet;

use bumpalo::Bump;
use libmotiva_macros::scoring_feature;

use crate::{
  matching::Feature,
  model::{Entity, HasProperties, SearchEntity},
};

#[scoring_feature(CryptoWalletMatch, name = "crypto_wallet_match")]
fn score_feature(&self, _bump: &Bump, lhs: &SearchEntity, rhs: &Entity) -> f64 {
  if !lhs.schema.is_a("CryptoWallet") || !rhs.schema.is_a("CryptoWallet") {
    return 0.0;
  }

  let lhs_addresses = HashSet::<&String>::from_iter(lhs.property("publicKey"));
  let rhs_addresses = HashSet::<&String>::from_iter(rhs.property("publicKey"));

  for address in lhs_addresses.intersection(&rhs_addresses) {
    if address.len() > 10 {
      return 1.0;
    }
  }

  0.0
}

#[cfg(test)]
mod tests {
  use bumpalo::Bump;

  use crate::{
    matching::Feature,
    model::{Entity, SearchEntity},
  };

  #[test]
  fn crypto_wallet_match() {
    let lhs = SearchEntity::builder("CryptoWallet")
      .properties(&[("publicKey", &["TFXGYjZhsTLXz6ncMxtVQfwddJG5LoHcvZ", "383439889396444390"])])
      .build();
    let rhs = Entity::builder("CryptoWallet").properties(&[("publicKey", &["1234", "TFXGYjZhsTLXz6ncMxtVQfwddJG5LoHcvZ"])]).build();

    assert_eq!(super::CryptoWalletMatch.score_feature(&Bump::new(), &lhs, &rhs), 1.0);
  }
}