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Compute yearly inflation on-chain allowing to change x_ideal according to number of slots. #8332
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Mar 17, 2021
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| let error = (res - expect).abs(); | ||
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| if error > 8f64 / accuracy_f64 && error > 8.0 * f64::EPSILON { |
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this accuracy with EPSILON is at least needed because f64 doesn't have enough precision compare to perquintillion.
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Mar 17, 2021
| /// Compute a div b. | ||
| /// | ||
| /// requires `b` to be stripped and have no leading zeros. | ||
| fn div_by_stripped(mut a: BigUint, b: &BigUint) -> BigUint { |
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cc @kianenigma I'm finally using this implementation to be able to divide by any stripped biguint.
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Co-authored-by: Gavin Wood <[email protected]>
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…g to number of slots. (paritytech#8332) * new crate * Update frame/staking/reward-fn/src/lib.rs Co-authored-by: Gavin Wood <[email protected]> * fix doc Co-authored-by: Gavin Wood <[email protected]>
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Related: #6469
Intruduce a new crate which expose:
compute_inflationallowing to compute yearly inflation directly usingcurrent_stake_rate,ideal_stake_rateandfalloff.NOTE: we don't support falloff lower than 0.01, if we want to support it I think we can. If falloff is less than 0.01 the curve fall down very very fast, and we should probably return inflation = 0 and not compute taylor serie when stake is a bit far form ideal_stake.