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Interface: PostTradeAdditionalParams

Additional parameters for posting orders. In most of the cases you don't need to use them.

Properties​

checkEthFlowOrderExists​

• Optional checkEthFlowOrderExists: EthFlowOrderExistsCallback

Selling native token orders are special, because they are created from smart-contract, and their validTo is always the same. Because of that, you might get the same orderId when trying to create an order with the same parameters The callback is needed to check if there is already an order with the same orderId

See

https://github.com/cowprotocol/ethflowcontract/blob/main/src/libraries/EthFlowOrder.sol#L90

Defined in​

external/cow-sdk/src/trading/types.ts:223

networkCostsAmount​

• Optional networkCostsAmount: string

Cost of executing the order onchain. The value is used in getQuoteAmountsAndCosts in order to calculate proper amounts

Defined in​

external/cow-sdk/src/trading/types.ts:228

signingScheme​

• Optional signingScheme: SigningScheme

By default, is EIP712 for EOA wallets. You might need other types of signing, for example PRESIGN when sign order via Smart Contract wallets.

Defined in​

external/cow-sdk/src/trading/types.ts:233