packages/page-staking/src/Actions/NewNominator.tsx
// Copyright 2017-2024 @polkadot/app-staking authors & contributors
// SPDX-License-Identifier: Apache-2.0
import type { SortedTargets } from '../types.js';
import type { BondInfo, NominateInfo } from './partials/types.js';
import React, { useCallback, useState } from 'react';
import { BatchWarning, Button, Modal, TxButton } from '@polkadot/react-components';
import { useApi, useToggle } from '@polkadot/react-hooks';
import { isFunction } from '@polkadot/util';
import { useTranslation } from '../translate.js';
import BondPartial from './partials/Bond.js';
import NominatePartial from './partials/Nominate.js';
interface Props {
isInElection?: boolean;
targets: SortedTargets;
}
const EMPTY_NOMS: string[] = [];
const NUM_STEPS = 2;
function NewNominator ({ isInElection, targets }: Props): React.ReactElement<Props> {
const { t } = useTranslation();
const { api } = useApi();
const [isVisible, toggleVisible] = useToggle();
const [{ bondTx, controllerId, controllerTx, stashId }, setBondInfo] = useState<BondInfo>({});
const [{ nominateTx }, setNominateInfo] = useState<NominateInfo>({});
const [step, setStep] = useState(1);
const isDisabled = isInElection || !isFunction(api.tx.utility?.batch);
const _nextStep = useCallback(
() => setStep((step) => step + 1),
[]
);
const _prevStep = useCallback(
() => setStep((step) => step - 1),
[]
);
const _toggle = useCallback(
(): void => {
setBondInfo({});
setNominateInfo({});
setStep(1);
toggleVisible();
},
[toggleVisible]
);
return (
<>
<Button
icon='plus'
isDisabled={isDisabled || !targets.validators?.length}
key='new-nominator'
label={t('Nominator')}
onClick={_toggle}
/>
{isVisible && (
<Modal
header={t('Setup Nominator {{step}}/{{NUM_STEPS}}', {
replace: {
NUM_STEPS,
step
}
})}
onClose={_toggle}
size='large'
>
<Modal.Content>
{step === 1 && (
<BondPartial
isNominating
minNominated={targets.minNominated}
minNominatorBond={targets.minNominatorBond}
onChange={setBondInfo}
/>
)}
{controllerId && stashId && step === 2 && (
<NominatePartial
controllerId={controllerId}
nominating={EMPTY_NOMS}
onChange={setNominateInfo}
stashId={stashId}
targets={targets}
/>
)}
<Modal.Columns>
<BatchWarning />
</Modal.Columns>
</Modal.Content>
<Modal.Actions>
<Button
icon='step-backward'
isDisabled={step === 1}
label={t('prev')}
onClick={_prevStep}
/>
{step === NUM_STEPS
? (
<TxButton
accountId={stashId}
icon='sign-in-alt'
isDisabled={!bondTx || !nominateTx || !stashId || !controllerId}
label={t('Bond & Nominate')}
onStart={_toggle}
params={[
stashId === controllerId
? [bondTx, nominateTx]
: [bondTx, nominateTx, controllerTx]
]}
tx={api.tx.utility.batchAll || api.tx.utility.batch}
/>
)
: (
<Button
icon='step-forward'
isDisabled={!bondTx}
label={t('next')}
onClick={_nextStep}
/>
)
}
</Modal.Actions>
</Modal>
)}
</>
);
}
export default React.memo(NewNominator);