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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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12
contracts/utils/src/reference_functions.ts
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@@ -2,6 +2,9 @@ import { BigNumber, SafeMathRevertErrors } from '@0x/utils';
const MAX_UINT256 = new BigNumber(2).pow(256).minus(1);
/**
* Add two `uint256` values. Reverts on overflow.
*/
export function safeAdd(a: BigNumber, b: BigNumber): BigNumber {
const r = a.plus(b);
if (r.isGreaterThan(MAX_UINT256)) {
@@ -14,6 +17,9 @@ export function safeAdd(a: BigNumber, b: BigNumber): BigNumber {
return r;
}
/**
* Subract two `uint256` values. Reverts on overflow.
*/
export function safeSub(a: BigNumber, b: BigNumber): BigNumber {
const r = a.minus(b);
if (r.isLessThan(0)) {
@@ -26,6 +32,9 @@ export function safeSub(a: BigNumber, b: BigNumber): BigNumber {
return r;
}
/**
* Multiplies two `uint256` values. Reverts on overflow.
*/
export function safeMul(a: BigNumber, b: BigNumber): BigNumber {
const r = a.times(b);
if (r.isGreaterThan(MAX_UINT256)) {
@@ -38,6 +47,9 @@ export function safeMul(a: BigNumber, b: BigNumber): BigNumber {
return r;
}
/**
* Divides two `uint256` values. Reverts on division by zero.
*/
export function safeDiv(a: BigNumber, b: BigNumber): BigNumber {
if (b.isEqualTo(0)) {
throw new SafeMathRevertErrors.SafeMathError(