WietseWind
/ index.mjs
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July 4, 2022 23:35
Fun with Generator Functions. First backfill XRPL Ledgers, then keep up with current Ledgers closing, fall back to backfilling if needed to sync gaps.
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| import { XrplClient } from 'xrpl-client' | |
| const config = { backfillLedgers: 20, lastLedger: null } | |
| const client = new XrplClient(['wss://xrplcluster.com']) | |
| await client.ready() | |
| config.lastLedger = client.getState().ledger.last - config.backfillLedgers | |
| function getLedgerTransactions(ledger_index) { | |
| return client.send({ command: 'ledger', transactions: true, expand: true, ledger_index }) |
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| //pass tx as returned from ledger | |
| ntfDeriveSale(tx) { | |
| let hash = tx.hash || tx.transaction.hash | |
| let trade = {} | |
| let taker = tx.Account | |
| for(let affected of (tx.meta || tx.metaData).AffectedNodes){ | |
| let node = affected.DeletedNode | |
| if(!node || node.LedgerEntryType !== 'NFTokenOffer') | |
| continue |
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