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 }