Merge branch 'master' into nm

1 files changed, 83 insertions, 0 deletions

diff --git a/app/scripts/migrations/019.js b/app/scripts/migrations/019.js
new file mode 100644
index 000000000..072c96370
--- /dev/null
+++ b/app/scripts/migrations/019.js
@@ -0,0 +1,83 @@
+
+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 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
+}
+