40 lines
1.4 KiB
TypeScript
40 lines
1.4 KiB
TypeScript
import { setTransactionData, FetchTransactionDataAction, TypeKeys } from 'actions/transactions';
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import { SagaIterator } from 'redux-saga';
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import { put, select, apply, takeEvery } from 'redux-saga/effects';
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import { getNodeLib } from 'selectors/config';
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import { INode, TransactionData, TransactionReceipt } from 'libs/nodes';
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export function* fetchTxData(action: FetchTransactionDataAction): SagaIterator {
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const txhash = action.payload;
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let data: TransactionData | null = null;
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let receipt: TransactionReceipt | null = null;
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let error: string | null = null;
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const node: INode = yield select(getNodeLib);
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// Fetch data and receipt separately, not in parallel. Receipt should only be
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// fetched if the tx is mined, and throws if it's not, but that's not really
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// an "error", since we'd still want to show the unmined tx data.
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try {
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data = yield apply(node, node.getTransactionByHash, [txhash]);
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} catch (err) {
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console.warn('Failed to fetch transaction data', err);
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error = err.message;
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}
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if (data && data.blockHash) {
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try {
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receipt = yield apply(node, node.getTransactionReceipt, [txhash]);
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} catch (err) {
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console.warn('Failed to fetch transaction receipt', err);
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receipt = null;
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}
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}
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yield put(setTransactionData({ txhash, data, receipt, error }));
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}
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export default function* transactions(): SagaIterator {
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yield takeEvery(TypeKeys.TRANSACTIONS_FETCH_TRANSACTION_DATA, fetchTxData);
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}
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