62 lines
1.7 KiB
JavaScript
62 lines
1.7 KiB
JavaScript
// next version number
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const version = 25
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/*
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normalizes txParams on unconfirmed txs
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*/
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const ethUtil = require('ethereumjs-util')
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const clone = require('clone')
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module.exports = {
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version,
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migrate: async function (originalVersionedData) {
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const versionedData = clone(originalVersionedData)
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versionedData.meta.version = version
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const state = versionedData.data
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const newState = transformState(state)
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versionedData.data = newState
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return versionedData
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},
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}
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function transformState (state) {
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const newState = state
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if (newState.TransactionController) {
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if (newState.TransactionController.transactions) {
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const transactions = newState.TransactionController.transactions
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newState.TransactionController.transactions = transactions.map((txMeta) => {
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if (txMeta.status !== 'unapproved') return txMeta
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txMeta.txParams = normalizeTxParams(txMeta.txParams)
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return txMeta
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})
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}
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}
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return newState
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}
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function normalizeTxParams (txParams) {
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// functions that handle normalizing of that key in txParams
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const whiteList = {
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from: from => ethUtil.addHexPrefix(from).toLowerCase(),
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to: to => ethUtil.addHexPrefix(txParams.to).toLowerCase(),
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nonce: nonce => ethUtil.addHexPrefix(nonce),
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value: value => ethUtil.addHexPrefix(value),
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data: data => ethUtil.addHexPrefix(data),
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gas: gas => ethUtil.addHexPrefix(gas),
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gasPrice: gasPrice => ethUtil.addHexPrefix(gasPrice),
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}
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// apply only keys in the whiteList
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const normalizedTxParams = {}
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Object.keys(whiteList).forEach((key) => {
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if (txParams[key]) normalizedTxParams[key] = whiteList[key](txParams[key])
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})
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return normalizedTxParams
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}
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