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closeTransactions builds the next round of unsigned transactions. Most accounts close in one transaction. An exchange adds the mediator transfer, and claimable balances, an aggregator swap, or more than 100 operations force additional transactions.

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Working through a round

  1. Sort transactions by order.
  2. Verify each transaction against your own inputs.
  3. Sign it, then submit it and wait for confirmation. If needsSponsoredFee is true, route the signed envelope through feeBumpSponsor first.
  4. If remaining.requiresAnotherCall is true, call closeTransactions again.
The API is stateless. Each call re-reads live state and re-derives what remains, so an interrupted close resumes by simply calling again. Nothing needs to be reconciled. Each transaction carries id, order, dependsOn, xdr, networkPassphrase, validUntilLedger, and an intent summary. The intent is the API’s description of the transaction. Treat it as a label for display, never as proof of what the XDR does.