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const version = 19
/*
This migration sets transactions as failed
whos nonce is too high
*/
const clone = require('clone')
module.exports = {
version,
migrate: function (originalVersionedData) {
const versionedData = clone(originalVersionedData)
versionedData.meta.version = version
try {
const state = versionedData.data
const newState = transformState(state)
versionedData.data = newState
} catch (err) {
console.warn(`MetaMask Migration #${version}` + err.stack)
}
return Promise.resolve(versionedData)
},
}
function transformState (state) {
const newState = state
const transactions = newState.TransactionController.transactions
newState.TransactionController.transactions = transactions.map((txMeta, _, txList) => {
if (txMeta.status !== 'submitted') return txMeta
const confirmedTxs = txList.filter((tx) => tx.status === 'confirmed')
.filter((tx) => tx.txParams.from === txMeta.txParams.from)
.filter((tx) => tx.metamaskNetworkId.from === txMeta.metamaskNetworkId.from)
const highestConfirmedNonce = getHighestNonce(confirmedTxs)
const pendingTxs = txList.filter((tx) => tx.status === 'submitted')
.filter((tx) => tx.txParams.from === txMeta.txParams.from)
.filter((tx) => tx.metamaskNetworkId.from === txMeta.metamaskNetworkId.from)
const highestContinuousNonce = getHighestContinuousFrom(pendingTxs, highestConfirmedNonce)
const maxNonce = Math.max(highestContinuousNonce, highestConfirmedNonce)
if (parseInt(txMeta.txParams.nonce, 16) > maxNonce + 1) {
txMeta.status = 'failed'
txMeta.err = {
message: 'nonce too high',
note: 'migration 019 custom error',
}
}
return txMeta
})
return newState
}
function getHighestContinuousFrom (txList, startPoint) {
const nonces = txList.map((txMeta) => {
const nonce = txMeta.txParams.nonce
return parseInt(nonce, 16)
})
let highest = startPoint
while (nonces.includes(highest)) {
highest++
}
return { name: 'local', nonce: highest, details: { startPoint, highest } }
}
function getHighestNonce (txList) {
const nonces = txList.map((txMeta) => {
const nonce = txMeta.txParams.nonce
return parseInt(nonce || '0x0', 16)
})
const highestNonce = Math.max.apply(null, nonces)
return highestNonce
}
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