1ff97ff43f
* Add Ekubo TWAMM support * Change order of words * Account TWAMM order balances * Fix tracking wrong component balance deltas Swapped and PositionUpdated are the only events affecting pool TVL * Fix fee addition Fees are a .64 instead of a .128 since v2 & the result is rounded * Consistent naming * cargo fmt * Add method for selecting store method from change type * Only store the affected sale rate delta on OrderUpdated events * Remove unnecessary parameterization * Index Ekubo MEV-resist pools * cargo clippy
84 lines
2.2 KiB
Rust
84 lines
2.2 KiB
Rust
use ethabi::{Address, FixedBytes, Token};
|
|
use tiny_keccak::{Hasher, Keccak};
|
|
|
|
pub struct PoolConfig {
|
|
pub fee: u64,
|
|
pub tick_spacing: u32,
|
|
pub extension: Address,
|
|
}
|
|
|
|
impl From<[u8; 32]> for PoolConfig {
|
|
fn from(value: [u8; 32]) -> Self {
|
|
Self {
|
|
tick_spacing: u32::from_be_bytes(value[28..32].try_into().unwrap()),
|
|
fee: u64::from_be_bytes(value[20..28].try_into().unwrap()),
|
|
extension: <[u8; 20]>::try_from(&value[0..20])
|
|
.unwrap()
|
|
.into(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<PoolConfig> for FixedBytes {
|
|
fn from(value: PoolConfig) -> Self {
|
|
[
|
|
value
|
|
.extension
|
|
.to_fixed_bytes()
|
|
.as_slice(),
|
|
&value.fee.to_be_bytes(),
|
|
&value.tick_spacing.to_be_bytes(),
|
|
]
|
|
.concat()
|
|
}
|
|
}
|
|
|
|
pub struct PoolKey {
|
|
pub token0: Address,
|
|
pub token1: Address,
|
|
pub config: PoolConfig,
|
|
}
|
|
|
|
impl PoolKey {
|
|
pub fn into_pool_id(self) -> Vec<u8> {
|
|
let mut hasher = Keccak::v256();
|
|
|
|
hasher.update(ðabi::encode(&[
|
|
Token::Address(self.token0),
|
|
Token::Address(self.token1),
|
|
Token::FixedBytes(self.config.into()),
|
|
]));
|
|
|
|
let mut output = vec![0; 32];
|
|
hasher.finalize(&mut output);
|
|
output
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use ethabi::ethereum_types::H160;
|
|
use substreams_helper::hex::Hexable;
|
|
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn test_pool_id_computation() {
|
|
let pool_key = PoolKey {
|
|
token0: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48" // USDC
|
|
.parse()
|
|
.unwrap(),
|
|
token1: "0xdAC17F958D2ee523a2206206994597C13D831ec7" // USDT
|
|
.parse()
|
|
.unwrap(),
|
|
config: PoolConfig { fee: 922337203685477, tick_spacing: 100, extension: H160::zero() },
|
|
};
|
|
|
|
// https://etherscan.io/tx/0x8d8c4aaee4cc5a23670f7b4894eb63f2eba82779b691e3a97bb073ae857d82e2#eventlog#153
|
|
assert_eq!(
|
|
pool_key.into_pool_id().to_hex(),
|
|
"0x91ffc128bf8e0afbd2c0f14722e2fd5b6625341a5e5f551aa36242d98756798d"
|
|
);
|
|
}
|
|
}
|