@cowprotocol/cow-sdk
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<p align="center"> <img width="400" src="https://github.com/cowprotocol/cow-sdk/raw/main/docs/images/CoW.png" /> </p>
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TypeScript
import { UnsignedOrder } from '../order-signing';
import { CowEnv, SupportedChainId } from '../common';
export interface EthFlowOrderExistsCallback {
(orderId: string, orderDigest: string): Promise<boolean>;
}
export declare function calculateUniqueOrderId(chainId: SupportedChainId, order: UnsignedOrder, checkEthFlowOrderExists?: EthFlowOrderExistsCallback, env?: CowEnv): Promise<string>;