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Added removal of transactions on submit for new version

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This commit is contained in:
QiTao Weng 2021-04-11 02:03:23 +00:00
parent 8745dc8b2b
commit 942d175495
1 changed files with 3 additions and 54 deletions
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57
src/app/units/rtdb/Transaction.ts
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@ -64,70 +64,19 @@ export class Transaction extends Unit {
public async up() {
this.firebase.ref('transaction').on('value', snapshot => {
if ( !Array.isArray(snapshot.val()) || snapshot.val().length < 2 ) return;
let newSnapshot = [...snapshot.val()]
for ( const left of snapshot.val() ) {
for ( const right of snapshot.val() ) {
this.compare(left, right).then(match => {
if ( match ) {
this.blockchain.submitTransactions([left, right])
newSnapshot = newSnapshot.filter( (item) => item !== left && item !== right )
}
})
}
}
this.firebase.ref('transaction').set(newSnapshot)
})
/*this.firebase.ref("transaction").on("child_added", async () => {
this.logging.debug('Received child_added event for transactions reference.')
// if ( !this.claim() ) return
// await this.firebase.trylock('block', 'Transaction_child_added')
// array of pairs of transaction resource items
let groupedTransactions: [TransactionResourceItem, TransactionResourceItem][] = []
// collection of transaction resource items
let transactions = await TransactionResource.collect().collect()
// await this.firebase.unlock('block')
// compare each item
await transactions.promiseMap(async transaction1 => {
// for each item that is not itself
await transactions.where('combinedHash', '!=', transaction1.combinedHash)
// get a second item
.promiseMap(async transaction2 => {
//if the item matches
if ( await this.compareTransactions(transaction1, transaction2) ) {
// and remove the two matching items
transactions = transactions.whereNotIn("combinedHash", [transaction1.combinedHash, transaction2.combinedHash])
// insert grouped items into groupedTransactions
groupedTransactions.push([transaction1, transaction2])
}
})
})
const seenCombinedHashes: string[] = []
groupedTransactions = groupedTransactions.filter(group => {
const key = group.map(x => x.combinedHash).sort().join('-')
if ( !seenCombinedHashes.includes(key) ) {
seenCombinedHashes.push(key)
return true
}
return false
})
// await this.firebase.trylock('block', 'Transaction_submitTransactions')
for (const group of groupedTransactions) {
const block = await this.blockchain.submitTransactions(group)
this.logging.verbose('Created block:')
this.logging.verbose(block)
await this.firebase.ref("transaction").child(group[0].firebaseID).remove()
await this.firebase.ref("transaction").child(group[1].firebaseID).remove()
}
// this.release()
// await this.firebase.unlock('block')
})*/
}
/**