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invoices: Change iteration interface to be more abstract.

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This commit is contained in:
ZmnSCPxj
2018-02-24 12:11:14 +00:00
committed by Christian Decker
parent e9112af0bc
commit f05c86618c
6 changed files with 89 additions and 28 deletions
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37
wallet/wallet.h
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@@ -390,6 +390,13 @@ struct invoice_details {
u64 paid_timestamp;
};
/* An object that handles iteration over the set of invoices */
struct invoice_iterator {
/* The contents of this object is subject to change
* and should not be depended upon */
const struct invoice *curr;
};
struct invoice {
/* Internal, rest of lightningd should not use */
/* List off ld->wallet->invoices. Must be first or else
@@ -476,18 +483,34 @@ bool wallet_invoice_delete(struct wallet *wallet,
* wallet_invoice_iterate - Iterate over all existing invoices
*
* @wallet - the wallet whose invoices are to be iterated over.
* @invoice - the previous invoice you iterated over.
* @iterator - the iterator object to use.
*
* Return NULL at end-of-sequence. Usage:
* Return false at end-of-sequence, true if still iterating.
* Usage:
*
* const struct invoice *i;
* i = NULL;
* while ((i = wallet_invoice_iterate(wallet, i))) {
* struct invoice_iterator it;
* memset(&it, 0, sizeof(it))
* while (wallet_invoice_iterate(wallet, &it)) {
* ...
* }
*/
const struct invoice *wallet_invoice_iterate(struct wallet *wallet,
const struct invoice *invoice);
bool wallet_invoice_iterate(struct wallet *wallet,
struct invoice_iterator *it);
/**
* wallet_invoice_iterator_deref - Read the details of the
* invoice currently pointed to by the given iterator.
*
* @ctx - the owner of the label and msatoshi fields returned.
* @wallet - the wallet whose invoices are to be iterated over.
* @iterator - the iterator object to use.
* @details - pointer to details object to load.
*
*/
void wallet_invoice_iterator_deref(const tal_t *ctx,
struct wallet *wallet,
const struct invoice_iterator *it,
struct invoice_details *details);
/**
* wallet_invoice_resolve - Mark an invoice as paid