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author | nyatla <nyatla39@gmail.com> | 2018-04-10 16:14:28 +0800 |
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committer | nyatla <nyatla39@gmail.com> | 2018-04-10 16:14:28 +0800 |
commit | cc246528b509b80e560715f3b315acf0764e99e7 (patch) | |
tree | a04cc12e6c11345bf751726f15fa9d3dd6be4733 /app/scripts/migrations/023.js | |
parent | bc0487006c623f1c81c186ba5b2a7137efb940ec (diff) | |
parent | b91bd818c7c2aec2952036a2f69ab05e0690a06e (diff) | |
download | tangerine-wallet-browser-cc246528b509b80e560715f3b315acf0764e99e7.tar.gz tangerine-wallet-browser-cc246528b509b80e560715f3b315acf0764e99e7.tar.zst tangerine-wallet-browser-cc246528b509b80e560715f3b315acf0764e99e7.zip |
Merge tag 'v4.5.5'
# Conflicts:
# app/_locales/ja/messages.json
# package-lock.json
messages.jsonのローカライズ
Diffstat (limited to 'app/scripts/migrations/023.js')
-rw-r--r-- | app/scripts/migrations/023.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/app/scripts/migrations/023.js b/app/scripts/migrations/023.js new file mode 100644 index 000000000..151496b06 --- /dev/null +++ b/app/scripts/migrations/023.js @@ -0,0 +1,54 @@ + +const version = 23 + +/* + +This migration removes transactions that are no longer usefull down to 40 total + +*/ + +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 { TransactionController } = newState + if (TransactionController && TransactionController.transactions) { + const transactions = newState.TransactionController.transactions + + if (transactions.length <= 40) return newState + + let reverseTxList = transactions.reverse() + let stripping = true + while (reverseTxList.length > 40 && stripping) { + let txIndex = reverseTxList.findIndex((txMeta) => { + return (txMeta.status === 'failed' || + txMeta.status === 'rejected' || + txMeta.status === 'confirmed' || + txMeta.status === 'dropped') + }) + if (txIndex < 0) stripping = false + else reverseTxList.splice(txIndex, 1) + } + + newState.TransactionController.transactions = reverseTxList.reverse() + } + return newState +} |