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Append -Floor to getPartialAmount and isRoundingError

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This commit is contained in:
Remco Bloemen
2018-08-24 16:16:44 -07:00
parent f6080367fe
commit 80291caf7c
17 changed files with 59 additions and 59 deletions
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4
packages/order-utils/src/order_state_utils.ts
View File

@@ -81,7 +81,7 @@ export class OrderStateUtils {
const remainingTakerAssetAmount = signedOrder.takerAssetAmount.minus(
sidedOrderRelevantState.filledTakerAssetAmount,
);
const isRoundingError = OrderValidationUtils.isRoundingError(
const isRoundingError = OrderValidationUtils.isRoundingErrorFloor(
remainingTakerAssetAmount,
signedOrder.takerAssetAmount,
signedOrder.makerAssetAmount,
@@ -191,7 +191,7 @@ export class OrderStateUtils {
);
const remainingFillableTakerAssetAmountGivenMakersStatus = signedOrder.makerAssetAmount.eq(0)
? new BigNumber(0)
: utils.getPartialAmount(
: utils.getPartialAmountFloor(
orderRelevantMakerState.remainingFillableAssetAmount,
signedOrder.makerAssetAmount,
signedOrder.takerAssetAmount,

10
packages/order-utils/src/order_validation_utils.ts
View File

@@ -24,7 +24,7 @@ export class OrderValidationUtils {
* @param denominator Denominator value. When used to check an order, pass in `order.takerAssetAmount`
* @param target Target value. When used to check an order, pass in `order.makerAssetAmount`
*/
public static isRoundingError(numerator: BigNumber, denominator: BigNumber, target: BigNumber): boolean {
public static isRoundingErrorFloor(numerator: BigNumber, denominator: BigNumber, target: BigNumber): boolean {
// Solidity's mulmod() in JS
// Source: https://solidity.readthedocs.io/en/latest/units-and-global-variables.html#mathematical-and-cryptographic-functions
if (denominator.eq(0)) {
@@ -58,7 +58,7 @@ export class OrderValidationUtils {
zrxAssetData: string,
): Promise<void> {
try {
const fillMakerTokenAmount = utils.getPartialAmount(
const fillMakerTokenAmount = utils.getPartialAmountFloor(
fillTakerAssetAmount,
signedOrder.takerAssetAmount,
signedOrder.makerAssetAmount,
@@ -79,7 +79,7 @@ export class OrderValidationUtils {
TradeSide.Taker,
TransferType.Trade,
);
const makerFeeAmount = utils.getPartialAmount(
const makerFeeAmount = utils.getPartialAmountFloor(
fillTakerAssetAmount,
signedOrder.takerAssetAmount,
signedOrder.makerFee,
@@ -92,7 +92,7 @@ export class OrderValidationUtils {
TradeSide.Maker,
TransferType.Fee,
);
const takerFeeAmount = utils.getPartialAmount(
const takerFeeAmount = utils.getPartialAmountFloor(
fillTakerAssetAmount,
signedOrder.takerAssetAmount,
signedOrder.takerFee,
@@ -218,7 +218,7 @@ export class OrderValidationUtils {
zrxAssetData,
);
const wouldRoundingErrorOccur = OrderValidationUtils.isRoundingError(
const wouldRoundingErrorOccur = OrderValidationUtils.isRoundingErrorFloor(
desiredFillTakerTokenAmount,
signedOrder.takerAssetAmount,
signedOrder.makerAssetAmount,

2
packages/order-utils/src/utils.ts
View File

@@ -12,7 +12,7 @@ export const utils = {
const milisecondsInSecond = 1000;
return new BigNumber(Date.now() / milisecondsInSecond).round();
},
getPartialAmount(numerator: BigNumber, denominator: BigNumber, target: BigNumber): BigNumber {
getPartialAmountFloor(numerator: BigNumber, denominator: BigNumber, target: BigNumber): BigNumber {
const fillMakerTokenAmount = numerator
.mul(target)
.div(denominator)