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wallet: fuzz the nLockTime added to withdraw transactions

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darosior 2020-01-30 12:56:27 +01:00 committed by ZmnSCPxj, ZmnSCPxj jxPCSmnZ
parent 273029f244
commit a589daa235
1 changed files with 4 additions and 1 deletions
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5
wallet/walletrpc.c
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@ -10,6 +10,7 @@
#include <common/jsonrpc_errors.h>
#include <common/key_derive.h>
#include <common/param.h>
#include <common/pseudorand.h>
#include <common/status.h>
#include <common/utils.h>
#include <common/utxo.h>
@ -288,9 +289,11 @@ static struct command_result *json_prepare_tx(struct command *cmd,
* native segwit, nlocktime set to tip, and sequence set to
* 0xFFFFFFFE by default. Other wallets are likely to implement
* this too).
* FIXME: Do we want to also fuzz this like bitcoind does ?
*/
locktime = cmd->ld->topology->tip->height;
/* Eventually fuzz it too. */
if (pseudorand(10) == 0)
locktime -= (u32)pseudorand(100);
}
if (!feerate_per_kw) {