/**
* @param {farmhand.state} state
* @param {string} cowId
* @returns {farmhand.state}
*/
export const withdrawCow = (state, cowId) => {
const { cowIdOfferedForTrade } = state
if (cowId === cowIdOfferedForTrade) {
state = { ...state, cowIdOfferedForTrade: '' }
}
return state
}