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Add upper bound for withdrawal index

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This commit is contained in:
pscott
2021-04-22 10:08:05 +02:00
parent de0f449204
commit 6ff2172f1b
4 changed files with 13 additions and 1 deletions
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6
src_plugins/eth2/eth2_plugin.c
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@@ -6,6 +6,7 @@
#include "shared_context.h"
#include "ethUtils.h"
#include "utils.h"
#include "withdrawal_index.h"
void getEth2PublicKey(uint32_t *bip32Path, uint8_t bip32PathLength, uint8_t *out);
@@ -98,6 +99,11 @@ void eth2_plugin_call(int message, void *parameters) {
uint32_t withdrawalKeyPath[4];
withdrawalKeyPath[0] = WITHDRAWAL_KEY_PATH_1;
withdrawalKeyPath[1] = WITHDRAWAL_KEY_PATH_2;
if (eth2WithdrawalIndex > INDEX_MAX) {
PRINTF("eth2 plugin eth2 withdrawal index is too big\n");
PRINTF("Got %u which is higher than INDEX_MAX (%u)\n", eth2WithdrawalIndex, INDEX_MAX);
context->valid = 0;
}
withdrawalKeyPath[2] = eth2WithdrawalIndex;
withdrawalKeyPath[3] = WITHDRAWAL_KEY_PATH_4;
getEth2PublicKey(withdrawalKeyPath, 4, tmp);