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