fcbcbac889
* remove assetDataUtils everywhere * export IAssetDataContract from @0x/contract-wrappers to allow @0x/instant to decode asset data synchronously * export generic function `decodeAssetDataOrThrow` and add ERC20Bridge support * export `hexUtils` from order-utils instead of contracts-test-utils
30 lines
995 B
TypeScript
30 lines
995 B
TypeScript
import { eip712Utils } from '@0x/order-utils';
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import { SignedZeroExTransaction } from '@0x/types';
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import { hexUtils, signTypedDataUtils } from '@0x/utils';
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export const hashUtils = {
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async getApprovalHashBufferAsync(
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transaction: SignedZeroExTransaction,
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verifyingContract: string,
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txOrigin: string,
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): Promise<Buffer> {
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const typedData = await eip712Utils.createCoordinatorApprovalTypedDataAsync(
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transaction,
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verifyingContract,
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txOrigin,
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);
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const hashBuffer = signTypedDataUtils.generateTypedDataHash(typedData);
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return hashBuffer;
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},
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async getApprovalHashHexAsync(
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transaction: SignedZeroExTransaction,
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verifyingContract: string,
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txOrigin: string,
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): Promise<string> {
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const hashHex = hexUtils.concat(
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await hashUtils.getApprovalHashBufferAsync(transaction, verifyingContract, txOrigin),
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);
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return hashHex;
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},
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};
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