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Add ufixed18 to BigDecimal conversion for Balancer V2 weights #4813

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Add ufixed18 to BigDecimal conversion for Balancer V2 weights #4813

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7 changes: 7 additions & 0 deletions crates/number/src/conversions.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,13 @@ pub fn u256_to_big_decimal(u256: &U256) -> BigDecimal {
BigDecimal::from(BigInt::from(big_uint))
}

/// Converts a `ufixed256x18` value (1e18 fixed-point — e.g. a Balancer `Bfp`
/// normalized weight) to its decimal value: `500000000000000000` ->
/// `0.500000000000000000`.
pub fn ufixed18_to_big_decimal(value: &U256) -> BigDecimal {
BigDecimal::new(u256_to_big_int(value), 18)
}

pub fn u160_to_big_decimal(u160: &U160) -> BigDecimal {
let big_uint = BigUint::from_bytes_be(&u160.to_be_bytes::<20>());
BigDecimal::from(BigInt::from(big_uint))
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