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author | Le Quoc Viet <vietlq85@gmail.com> | 2018-03-15 16:11:42 +0800 |
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committer | GitHub <noreply@github.com> | 2018-03-15 16:11:42 +0800 |
commit | 04079455e36e48433cf8055c8f1f79e1e7e18298 (patch) | |
tree | d7de2a6603b67b56abacf09bee4d2bbbfe886b8f /app/scripts/migrations/020.js | |
parent | 5bdee96e73f65a0b369277e9c56b0afe5159e65b (diff) | |
parent | e2efc91aee64072c408ab509219dcbfb389c7609 (diff) | |
download | tangerine-wallet-browser-04079455e36e48433cf8055c8f1f79e1e7e18298.tar.gz tangerine-wallet-browser-04079455e36e48433cf8055c8f1f79e1e7e18298.tar.zst tangerine-wallet-browser-04079455e36e48433cf8055c8f1f79e1e7e18298.zip |
Merge pull request #1 from MetaMask/master
Merge from the source
Diffstat (limited to 'app/scripts/migrations/020.js')
-rw-r--r-- | app/scripts/migrations/020.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/app/scripts/migrations/020.js b/app/scripts/migrations/020.js new file mode 100644 index 000000000..8159b3e70 --- /dev/null +++ b/app/scripts/migrations/020.js @@ -0,0 +1,41 @@ +const version = 20 + +/* + +This migration ensures previous installations +get a `firstTimeInfo` key on the metamask state, +so that we can version notices in the future. + +*/ + +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 + if ('metamask' in newState && + !('firstTimeInfo' in newState.metamask)) { + newState.metamask.firstTimeInfo = { + version: '3.12.0', + date: Date.now(), + } + } + return newState +} + |