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28 lines
965 B
28 lines
965 B
const { formatTxMetaForRpcResult } = require('../util')
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const createAsyncMiddleware = require('json-rpc-engine/src/createAsyncMiddleware')
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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') return next()
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const [param, blockRef] = params
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if (blockRef !== 'pending') return next()
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res.result = await getPendingNonce(param)
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})
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}
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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') return next()
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const [hash] = params
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const txMeta = getPendingTransactionByHash(hash)
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if (!txMeta) return next()
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res.result = formatTxMetaForRpcResult(txMeta)
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})
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}
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module.exports = {
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createPendingTxMiddleware,
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createPendingNonceMiddleware,
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}
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