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`@0x/contracts-exchange-libs: Appease the linter and prettier gods.

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This commit is contained in:
Lawrence Forman
2019-08-02 13:30:48 -04:00
parent 4711ce5532
commit 6345faa4a9
20 changed files with 334 additions and 465 deletions
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97
contracts/exchange-libs/src/reference_functions.ts
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@@ -3,18 +3,12 @@ import { LibMathRevertErrors } from '@0x/order-utils';
import { FillResults } from '@0x/types';
import { BigNumber } from '@0x/utils';
const {
safeAdd,
safeSub,
safeMul,
safeDiv,
} = ReferenceFunctions;
const { safeAdd, safeSub, safeMul, safeDiv } = ReferenceFunctions;
export function isRoundingErrorFloor(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
): boolean {
/**
* Checks if rounding error >= 0.1% when rounding down.
*/
export function isRoundingErrorFloor(numerator: BigNumber, denominator: BigNumber, target: BigNumber): boolean {
if (denominator.eq(0)) {
throw new LibMathRevertErrors.DivisionByZeroError();
}
@@ -28,11 +22,10 @@ export function isRoundingErrorFloor(
return lhs.gte(rhs);
}
export function isRoundingErrorCeil(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
): boolean {
/**
* Checks if rounding error >= 0.1% when rounding up.
*/
export function isRoundingErrorCeil(numerator: BigNumber, denominator: BigNumber, target: BigNumber): boolean {
if (denominator.eq(0)) {
throw new LibMathRevertErrors.DivisionByZeroError();
}
@@ -47,66 +40,46 @@ export function isRoundingErrorCeil(
return lhs.gte(rhs);
}
export function safeGetPartialAmountFloor(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
): BigNumber {
/**
* Calculates partial value given a numerator and denominator rounded down.
* Reverts if rounding error is >= 0.1%
*/
export function safeGetPartialAmountFloor(numerator: BigNumber, denominator: BigNumber, target: BigNumber): BigNumber {
if (isRoundingErrorFloor(numerator, denominator, target)) {
throw new LibMathRevertErrors.RoundingError(numerator, denominator, target);
}
return safeDiv(
safeMul(numerator, target),
denominator,
);
return safeDiv(safeMul(numerator, target), denominator);
}
export function safeGetPartialAmountCeil(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
): BigNumber {
/**
* Calculates partial value given a numerator and denominator rounded down.
* Reverts if rounding error is >= 0.1%
*/
export function safeGetPartialAmountCeil(numerator: BigNumber, denominator: BigNumber, target: BigNumber): BigNumber {
if (isRoundingErrorCeil(numerator, denominator, target)) {
throw new LibMathRevertErrors.RoundingError(numerator, denominator, target);
}
return safeDiv(
safeAdd(
safeMul(numerator, target),
safeSub(denominator, new BigNumber(1)),
),
denominator,
);
return safeDiv(safeAdd(safeMul(numerator, target), safeSub(denominator, new BigNumber(1))), denominator);
}
export function getPartialAmountFloor(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
): BigNumber {
return safeDiv(
safeMul(numerator, target),
denominator,
);
/**
* Calculates partial value given a numerator and denominator rounded down.
*/
export function getPartialAmountFloor(numerator: BigNumber, denominator: BigNumber, target: BigNumber): BigNumber {
return safeDiv(safeMul(numerator, target), denominator);
}
export function getPartialAmountCeil(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
): BigNumber {
return safeDiv(
safeAdd(
safeMul(numerator, target),
safeSub(denominator, new BigNumber(1)),
),
denominator,
);
/**
* Calculates partial value given a numerator and denominator rounded down.
*/
export function getPartialAmountCeil(numerator: BigNumber, denominator: BigNumber, target: BigNumber): BigNumber {
return safeDiv(safeAdd(safeMul(numerator, target), safeSub(denominator, new BigNumber(1))), denominator);
}
export function addFillResults(
a: FillResults,
b: FillResults,
): FillResults {
/**
* Adds properties of two `FillResults`.
*/
export function addFillResults(a: FillResults, b: FillResults): FillResults {
return {
makerAssetFilledAmount: safeAdd(a.makerAssetFilledAmount, b.makerAssetFilledAmount),
takerAssetFilledAmount: safeAdd(a.takerAssetFilledAmount, b.takerAssetFilledAmount),