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@0x/contracts-exchange: Create reference functions test util.

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`@0x/contracts-exchange`: Use reference functions to assert fill results
in `isolated_fill_order` tests.
This commit is contained in:
Lawrence Forman
2019-07-31 13:15:09 -04:00
parent 38a1f08413
commit c54d69e5ae
4 changed files with 207 additions and 37 deletions
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17
contracts/exchange/test/utils/isolated_exchange_wrapper.ts
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@@ -22,7 +22,8 @@ export interface IsolatedExchangeEvents {
transferFromCalls: DispatchTransferFromCallArgs[];
}
export type Order = OrderWithoutDomain;
export type Orderish = OrderWithoutDomain;
export type Numberish = string | number | BigNumber;
export const DEFAULT_GOOD_SIGNATURE = createGoodSignature();
export const DEFAULT_BAD_SIGNATURE = createBadSignature();
@@ -65,9 +66,13 @@ export class IsolatedExchangeWrapper {
this.logDecoder = new LogDecoder(web3Wrapper, artifacts);
}
public async getTakerAssetFilledAmountAsync(order: Orderish): Promise<BigNumber> {
return this.instance.filled.callAsync(this.getOrderHash(order));
}
public async fillOrderAsync(
order: Order,
takerAssetFillAmount: BigNumber | number,
order: Orderish,
takerAssetFillAmount: Numberish,
signature: string = DEFAULT_GOOD_SIGNATURE,
txOpts?: TxData,
): Promise<FillResults> {
@@ -80,7 +85,7 @@ export class IsolatedExchangeWrapper {
);
}
public getOrderHash(order: Order): string {
public getOrderHash(order: Orderish): string {
const domain = {
verifyingContractAddress: this.instance.address,
chainId: IsolatedExchangeWrapper.CHAIN_ID,
@@ -125,14 +130,14 @@ interface TransactionContractFunction<TResult> {
}
/**
* @dev Create a signature for the `TestIsolatedExchange` contract that will pass.
* Create a signature for the `TestIsolatedExchange` contract that will pass.
*/
export function createGoodSignature(type: SignatureType = SignatureType.EIP712): string {
return `0x01${Buffer.from([type]).toString('hex')}`;
}
/**
* @dev Create a signature for the `TestIsolatedExchange` contract that will fail.
* Create a signature for the `TestIsolatedExchange` contract that will fail.
*/
export function createBadSignature(type: SignatureType = SignatureType.EIP712): string {
return `0x00${Buffer.from([type]).toString('hex')}`;