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implement TALER_MINT_refresh_reveal logic

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This commit is contained in:
Christian Grothoff 2015-08-08 20:01:45 +02:00
parent 00d613728f
commit 0a5e962108
1 changed files with 44 additions and 4 deletions
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48
src/mint-lib/mint_api_refresh.c
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@ -1525,10 +1525,14 @@ TALER_MINT_refresh_reveal (struct TALER_MINT_Handle *mint,
void *reveal_cb_cls) void *reveal_cb_cls)
{ {
struct TALER_MINT_RefreshRevealHandle *rrh; struct TALER_MINT_RefreshRevealHandle *rrh;
json_t *transfer_privs;
json_t *reveal_obj; json_t *reveal_obj;
json_t *tmp;
CURL *eh; CURL *eh;
struct TALER_MINT_Context *ctx; struct TALER_MINT_Context *ctx;
struct MeltData *md; struct MeltData *md;
unsigned int i;
unsigned int j;
if (GNUNET_YES != if (GNUNET_YES !=
MAH_handle_is_ready (mint)) MAH_handle_is_ready (mint))
@ -1543,12 +1547,48 @@ TALER_MINT_refresh_reveal (struct TALER_MINT_Handle *mint,
GNUNET_break (0); GNUNET_break (0);
return NULL; return NULL;
} }
if (noreveal_index >= TALER_CNC_KAPPA)
{
/* We check this here, as it would be really bad to below just
disclose all the transfer keys. Note that this error should
have been caught way earlier when the mint replied, but maybe
we had some internal corruption that changed the value... */
GNUNET_break (0);
return NULL;
}
/* FIXME: totally bogus request building here: */ /* build array of transfer private keys */
reveal_obj = json_pack ("{s:o, s:O}", /* f/wire */ transfer_privs = json_array ();
"4", 42, for (i=0;i<md->num_melted_coins;i++)
"6", 62); {
const struct MeltedCoin *mc = &md->melted_coins[i];
tmp = json_array ();
for (j=0;j<TALER_CNC_KAPPA;j++)
{
if (j == noreveal_index)
{
/* This is crucial: exclude the transfer key for the
noreval index! */
continue;
}
json_array_append (tmp,
TALER_json_from_data (&mc->transfer_priv[j],
sizeof (struct TALER_TransferPrivateKeyP)));
}
json_array_append (transfer_privs,
tmp);
}
/* build main JSON request */
reveal_obj = json_pack ("{s:o, s:o}",
"session_hash",
TALER_json_from_data (&md->melt_session_hash,
sizeof (struct GNUNET_HashCode)),
"transfer_privs",
transfer_privs);
/* finally, we can actually issue the request */
rrh = GNUNET_new (struct TALER_MINT_RefreshRevealHandle); rrh = GNUNET_new (struct TALER_MINT_RefreshRevealHandle);
rrh->mint = mint; rrh->mint = mint;
rrh->reveal_cb = reveal_cb; rrh->reveal_cb = reveal_cb;