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Code Issues Releases Wiki Activity

Add confirmation dialog to EthereumSignTx

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This commit is contained in:
Alex Beregszaszi 2016-05-25 15:33:23 +01:00
parent e0a1743003
commit a617200c9c
1 changed files with 33 additions and 0 deletions
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33
firmware/ethereum.c
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@ -27,6 +27,7 @@
#include "crypto.h"
#include "secp256k1.h"
#include "sha3.h"
#include "util.h"
static bool signing = false;
static size_t data_left;
@ -156,6 +157,30 @@ static void send_signature(void)
ethereum_signing_abort();
}
/* FIXME */
static void layoutEthereumConfirmTx(const uint8_t *to, const uint8_t *value)
{
static char _value[21] = {0};
static char _to1[21] = {0};
static char _to2[21] = {0};
data2hex(value, 10, _value);
data2hex(to, 10, _to1);
data2hex(to + 10, 10, _to2);
layoutDialogSwipe(DIALOG_ICON_QUESTION,
"Cancel",
"Confirm",
NULL,
"Really send",
_value,
"from your wallet?",
"To:",
_to1,
_to2
);
}
/*
* RLP fields:
* - nonce (0 .. 32)
@ -188,6 +213,14 @@ void ethereum_signing_init(EthereumSignTx *msg, const HDNode *node)
return;
}
/* FIXME: include default values (0 / 0) */
layoutEthereumConfirmTx(msg->has_to ? msg->to.bytes : NULL, msg->has_value ? msg->value.bytes : NULL);
if (!protectButton(ButtonRequestType_ButtonRequest_SignTx, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Signing cancelled by user");
ethereum_signing_abort();
return;
}
/* Stage 1: Calculate total RLP length */
int total_rlp_length = 0;
int total_data_length = 0;