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| 1 | +use crate::local_db::query::fetch_order_trades::LocalDbOrderTrade; |
| 2 | +use crate::local_db::query::{SqlBuildError, SqlStatement, SqlValue}; |
| 3 | +use alloy::primitives::Address; |
| 4 | + |
| 5 | +const QUERY_TEMPLATE: &str = include_str!("query.sql"); |
| 6 | +const RAINDEXES_CLAUSE: &str = "/*RAINDEXES_CLAUSE*/"; |
| 7 | +const RAINDEXES_CLAUSE_BODY: &str = "AND tws.raindex_address IN ({list})"; |
| 8 | +const PAIR_CLAUSE: &str = "/*PAIR_CLAUSE*/"; |
| 9 | + |
| 10 | +#[derive(Debug, Clone)] |
| 11 | +pub struct FetchLatestTradesPerTokenArgs { |
| 12 | + pub chain_id: u32, |
| 13 | + pub raindex_addresses: Vec<Address>, |
| 14 | + pub quote_token: Address, |
| 15 | + pub base_tokens: Vec<Address>, |
| 16 | +} |
| 17 | + |
| 18 | +pub fn build_fetch_latest_trades_per_token_stmt( |
| 19 | + args: &FetchLatestTradesPerTokenArgs, |
| 20 | +) -> Result<SqlStatement, SqlBuildError> { |
| 21 | + let mut stmt = SqlStatement::new(QUERY_TEMPLATE); |
| 22 | + |
| 23 | + let quote_partition = push_param(&mut stmt, args.quote_token); |
| 24 | + stmt.replace("/*QUOTE_PARTITION*/", "e_partition)?; |
| 25 | + |
| 26 | + let chain_id = push_param(&mut stmt, args.chain_id); |
| 27 | + stmt.replace("/*CHAIN_ID*/", &chain_id)?; |
| 28 | + |
| 29 | + let mut raindexes = args.raindex_addresses.clone(); |
| 30 | + raindexes.sort_unstable(); |
| 31 | + raindexes.dedup(); |
| 32 | + stmt.bind_list_clause( |
| 33 | + RAINDEXES_CLAUSE, |
| 34 | + RAINDEXES_CLAUSE_BODY, |
| 35 | + raindexes.into_iter().map(SqlValue::from), |
| 36 | + )?; |
| 37 | + |
| 38 | + let mut base_tokens = args.base_tokens.clone(); |
| 39 | + base_tokens.sort_unstable(); |
| 40 | + base_tokens.dedup(); |
| 41 | + if base_tokens.is_empty() { |
| 42 | + stmt.replace(PAIR_CLAUSE, "AND 1 = 0")?; |
| 43 | + return Ok(stmt); |
| 44 | + } |
| 45 | + |
| 46 | + let input_quote = push_param(&mut stmt, args.quote_token); |
| 47 | + let output_bases = push_list(&mut stmt, &base_tokens); |
| 48 | + let output_quote = push_param(&mut stmt, args.quote_token); |
| 49 | + let input_bases = push_list(&mut stmt, &base_tokens); |
| 50 | + stmt.replace( |
| 51 | + PAIR_CLAUSE, |
| 52 | + &format!( |
| 53 | + "AND ((tws.input_token = {input_quote} AND tws.output_token IN ({output_bases})) \ |
| 54 | + OR (tws.output_token = {output_quote} AND tws.input_token IN ({input_bases})))" |
| 55 | + ), |
| 56 | + )?; |
| 57 | + Ok(stmt) |
| 58 | +} |
| 59 | + |
| 60 | +fn push_param(stmt: &mut SqlStatement, value: impl Into<SqlValue>) -> String { |
| 61 | + let placeholder = format!("?{}", stmt.params().len() + 1); |
| 62 | + stmt.push(value.into()); |
| 63 | + placeholder |
| 64 | +} |
| 65 | + |
| 66 | +fn push_list(stmt: &mut SqlStatement, values: &[Address]) -> String { |
| 67 | + values |
| 68 | + .iter() |
| 69 | + .map(|value| push_param(stmt, *value)) |
| 70 | + .collect::<Vec<_>>() |
| 71 | + .join(", ") |
| 72 | +} |
| 73 | + |
| 74 | +pub type LatestTradeRow = LocalDbOrderTrade; |
| 75 | + |
| 76 | +#[cfg(test)] |
| 77 | +mod tests { |
| 78 | + use super::*; |
| 79 | + use alloy::primitives::address; |
| 80 | + |
| 81 | + #[test] |
| 82 | + fn query_selects_one_latest_trade_per_base_token() { |
| 83 | + let quote = address!("2222222222222222222222222222222222222222"); |
| 84 | + let base_a = address!("1111111111111111111111111111111111111111"); |
| 85 | + let base_b = address!("3333333333333333333333333333333333333333"); |
| 86 | + let raindex = address!("4444444444444444444444444444444444444444"); |
| 87 | + |
| 88 | + let stmt = build_fetch_latest_trades_per_token_stmt(&FetchLatestTradesPerTokenArgs { |
| 89 | + chain_id: 8453, |
| 90 | + raindex_addresses: vec![raindex, raindex], |
| 91 | + quote_token: quote, |
| 92 | + base_tokens: vec![base_b, base_a, base_a], |
| 93 | + }) |
| 94 | + .unwrap(); |
| 95 | + |
| 96 | + assert!(stmt.sql.contains("ROW_NUMBER() OVER")); |
| 97 | + assert!(stmt.sql.contains("market_rank = 1")); |
| 98 | + assert!(stmt.sql.contains("tws.raindex_address IN (?3)")); |
| 99 | + assert!(stmt.sql.contains("tws.output_token IN (?5, ?6)")); |
| 100 | + assert!(stmt.sql.contains("tws.input_token IN (?8, ?9)")); |
| 101 | + assert_eq!(stmt.params().len(), 9); |
| 102 | + assert!(!stmt.sql.contains("/*")); |
| 103 | + } |
| 104 | + |
| 105 | + #[test] |
| 106 | + fn empty_base_tokens_build_a_match_none_query() { |
| 107 | + let stmt = build_fetch_latest_trades_per_token_stmt(&FetchLatestTradesPerTokenArgs { |
| 108 | + chain_id: 8453, |
| 109 | + raindex_addresses: vec![], |
| 110 | + quote_token: Address::ZERO, |
| 111 | + base_tokens: vec![], |
| 112 | + }) |
| 113 | + .unwrap(); |
| 114 | + |
| 115 | + assert!(stmt.sql.contains("AND 1 = 0")); |
| 116 | + assert!(!stmt.sql.contains("/*")); |
| 117 | + } |
| 118 | +} |
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