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Improve accuracy of rent exemption check #168

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merged 2 commits into from
May 4, 2022
Merged

Improve accuracy of rent exemption check #168

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c7130c7
Improve accuracy of rent exemption check
tompntn May 4, 2022
8bc6089
Rename dlen parameter to be more descriptive
tompntn May 4, 2022
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12 changes: 6 additions & 6 deletions program/src/oracle/oracle.c
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Original file line number Diff line number Diff line change
Expand Up @@ -37,23 +37,23 @@ static bool valid_funding_account( SolAccountInfo *ka )

static bool valid_signable_account( SolParameters *prm,
SolAccountInfo *ka,
uint64_t dlen )
uint64_t min_dlen )
{
return ka->is_signer &&
ka->is_writable &&
SolPubkey_same( ka->owner, prm->program_id ) &&
ka->data_len >= dlen &&
is_rent_exempt( *ka->lamports, dlen );
ka->data_len >= min_dlen &&
is_rent_exempt( *ka->lamports, ka->data_len );
}

static bool valid_writable_account( SolParameters *prm,
SolAccountInfo *ka,
uint64_t dlen )
uint64_t min_dlen )
{
return ka->is_writable &&
SolPubkey_same( ka->owner, prm->program_id ) &&
ka->data_len >= dlen &&
is_rent_exempt( *ka->lamports, dlen );
ka->data_len >= min_dlen &&
is_rent_exempt( *ka->lamports, ka->data_len );
}

static uint64_t init_mapping( SolParameters *prm, SolAccountInfo *ka )
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