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35 lines
965 B
35 lines
965 B
import { createAsyncMiddleware } from 'json-rpc-engine';
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import { formatTxMetaForRpcResult } from '../util';
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export function createPendingNonceMiddleware({ getPendingNonce }) {
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return createAsyncMiddleware(async (req, res, next) => {
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const { method, params } = req;
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if (method !== 'eth_getTransactionCount') {
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next();
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return;
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}
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const [param, blockRef] = params;
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if (blockRef !== 'pending') {
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next();
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return;
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}
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res.result = await getPendingNonce(param);
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});
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}
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export function createPendingTxMiddleware({ getPendingTransactionByHash }) {
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return createAsyncMiddleware(async (req, res, next) => {
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const { method, params } = req;
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if (method !== 'eth_getTransactionByHash') {
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next();
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return;
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}
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const [hash] = params;
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const txMeta = getPendingTransactionByHash(hash);
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if (!txMeta) {
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next();
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return;
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}
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res.result = formatTxMetaForRpcResult(txMeta);
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});
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}
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