feature/default_network_editable
commit
5290570c8f
@ -0,0 +1,50 @@ |
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const version = 23 |
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/* |
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This migration removes transactions that are no longer usefull down to 40 total |
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*/ |
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const clone = require('clone') |
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module.exports = { |
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version, |
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migrate: function (originalVersionedData) { |
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const versionedData = clone(originalVersionedData) |
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versionedData.meta.version = version |
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try { |
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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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} catch (err) { |
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console.warn(`MetaMask Migration #${version}` + err.stack) |
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} |
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return Promise.resolve(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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const transactions = newState.TransactionController.transactions |
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if (transactions.length <= 40) return newState |
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let reverseTxList = transactions.reverse() |
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let stripping = true |
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while (reverseTxList.length > 40 && stripping) { |
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let txIndex = reverseTxList.findIndex((txMeta) => { |
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return (txMeta.status === 'failed' || |
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txMeta.status === 'rejected' || |
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txMeta.status === 'confirmed' || |
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txMeta.status === 'dropped') |
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}) |
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if (txIndex < 0) stripping = false |
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else reverseTxList.splice(txIndex, 1) |
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} |
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newState.TransactionController.transactions = reverseTxList.reverse() |
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return newState |
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} |
@ -0,0 +1,99 @@ |
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const assert = require('assert') |
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const migration23 = require('../../../app/scripts/migrations/023') |
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const properTime = (new Date()).getTime() |
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const storage = { |
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"meta": {}, |
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"data": { |
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"TransactionController": { |
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"transactions": [ |
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] |
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}, |
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}, |
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} |
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const transactions = [] |
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const transactions40 = [] |
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const transactions20 = [] |
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const txStates = [ |
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'unapproved', |
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'approved', |
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'signed', |
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'submitted', |
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'confirmed', |
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'rejected', |
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'failed', |
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'dropped', |
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] |
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const deletableTxStates = [ |
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'confirmed', |
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'rejected', |
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'failed', |
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'dropped', |
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] |
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let nonDeletableCount = 0 |
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let status |
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while (transactions.length <= 100) { |
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status = txStates[Math.floor(Math.random() * Math.floor(txStates.length - 1))] |
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if (!deletableTxStates.find((s) => s === status)) nonDeletableCount++ |
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transactions.push({status}) |
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} |
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while (transactions40.length < 40) { |
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status = txStates[Math.floor(Math.random() * Math.floor(txStates.length - 1))] |
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transactions40.push({status}) |
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} |
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while (transactions20.length < 20) { |
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status = txStates[Math.floor(Math.random() * Math.floor(txStates.length - 1))] |
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transactions20.push({status}) |
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} |
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storage.data.TransactionController.transactions = transactions |
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describe('storage is migrated successfully and the proper transactions are remove from state', () => { |
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it('should remove transactions that are unneeded', (done) => { |
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migration23.migrate(storage) |
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.then((migratedData) => { |
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let leftoverNonDeletableTxCount = 0 |
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const migratedTransactions = migratedData.data.TransactionController.transactions |
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migratedTransactions.forEach((tx) => { |
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if (!deletableTxStates.find((s) => s === tx.status)) { |
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leftoverNonDeletableTxCount++ |
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} |
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}) |
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assert.equal(leftoverNonDeletableTxCount, nonDeletableCount, 'migration shouldnt delete transactions we want to keep') |
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assert((migratedTransactions.length >= 40), `should be equal or greater to 40 if they are non deletable states got ${migratedTransactions.length} transactions`) |
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done() |
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}).catch(done) |
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}) |
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it('should not remove any transactions because 40 is the expectable limit', (done) => { |
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storage.meta.version = 22 |
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storage.data.TransactionController.transactions = transactions40 |
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migration23.migrate(storage) |
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.then((migratedData) => { |
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const migratedTransactions = migratedData.data.TransactionController.transactions |
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assert.equal(migratedTransactions.length, 40, 'migration shouldnt delete when at limit') |
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done() |
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}).catch(done) |
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}) |
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it('should not remove any transactions because 20 txs is under the expectable limit', (done) => { |
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storage.meta.version = 22 |
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storage.data.TransactionController.transactions = transactions20 |
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migration23.migrate(storage) |
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.then((migratedData) => { |
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const migratedTransactions = migratedData.data.TransactionController.transactions |
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assert.equal(migratedTransactions.length, 20, 'migration shouldnt delete when under limit') |
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done() |
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}).catch(done) |
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}) |
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}) |
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