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author | fragosti <francesco.agosti93@gmail.com> | 2018-10-11 09:27:06 +0800 |
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committer | fragosti <francesco.agosti93@gmail.com> | 2018-10-11 09:28:12 +0800 |
commit | 19f61906d3075391efb32c17c99c2cba1f7a3858 (patch) | |
tree | 5341adb545f8cbc883f3e569adf99b58a8b03de1 /packages/instant/src/containers/selected_asset_amount_input.ts | |
parent | a5a033c359a1a00a144ae0655080b4e6d0e43c88 (diff) | |
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feat: Move over features from zrx-buyer
Diffstat (limited to 'packages/instant/src/containers/selected_asset_amount_input.ts')
-rw-r--r-- | packages/instant/src/containers/selected_asset_amount_input.ts | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/packages/instant/src/containers/selected_asset_amount_input.ts b/packages/instant/src/containers/selected_asset_amount_input.ts new file mode 100644 index 000000000..b731b889a --- /dev/null +++ b/packages/instant/src/containers/selected_asset_amount_input.ts @@ -0,0 +1,57 @@ +import { BigNumber } from '@0xproject/utils'; +import { Web3Wrapper } from '@0xproject/web3-wrapper'; +import * as _ from 'lodash'; +import * as React from 'react'; +import { connect } from 'react-redux'; +import { Dispatch } from 'redux'; + +import { zrxContractAddress, zrxDecimals } from '../constants'; +import { State } from '../redux/reducer'; +import { ColorOption } from '../style/theme'; +import { Action, ActionTypes, AsyncProcessState } from '../types'; +import { assetBuyer } from '../util/asset_buyer'; + +import { AmountInput } from '../components/amount_input'; + +export interface SelectedAssetAmountInputProps { + fontColor?: ColorOption; + fontSize?: string; +} + +interface ConnectedState { + value?: BigNumber; +} + +interface ConnectedDispatch { + onChange?: (value?: BigNumber) => void; +} + +const mapStateToProps = (state: State, _ownProps: SelectedAssetAmountInputProps): ConnectedState => ({ + value: state.selectedAssetAmount, +}); + +const mapDispatchToProps = (dispatch: Dispatch<Action>): ConnectedDispatch => ({ + onChange: async value => { + // Update the input + dispatch({ type: ActionTypes.UPDATE_SELECTED_ASSET_AMOUNT, data: value }); + // invalidate the last buy quote. + dispatch({ type: ActionTypes.UPDATE_LATEST_BUY_QUOTE, data: undefined }); + // reset our buy state + dispatch({ type: ActionTypes.UPDATE_SELECTED_ASSET_BUY_STATE, data: AsyncProcessState.NONE }); + if (!_.isUndefined(value)) { + // get a new buy quote. + const baseUnitValue = Web3Wrapper.toBaseUnitAmount(value, zrxDecimals); + const newBuyQuote = await assetBuyer.getBuyQuoteForERC20TokenAddressAsync( + zrxContractAddress, + baseUnitValue, + ); + // invalidate the last buy quote. + dispatch({ type: ActionTypes.UPDATE_LATEST_BUY_QUOTE, data: newBuyQuote }); + } + }, +}); + +export const SelectedAssetAmountInput: React.ComponentClass<SelectedAssetAmountInputProps> = connect( + mapStateToProps, + mapDispatchToProps, +)(AmountInput); |