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trezor-firmware
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remove segwit warning, don't enable segwit on coins that don't have segwit=true in definition

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pull/25/head
Pavol Rusnak 7 years ago
parent 4183b6cbbc
commit b1995bb8d1
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
6 changed files with 23 additions and 39 deletions
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11
firmware/fsm.c
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@ -580,21 +580,12 @@ void fsm_msgGetAddress(GetAddress *msg)
HDNode *node = fsm_getDerivedNode(SECP256K1_NAME, msg->address_n, msg->address_n_count);
if (!node) return;
hdnode_fill_public_key(node);
bool is_segwit = 0;
if (!compute_address(coin, msg->script_type, node, msg->has_multisig, &msg->multisig, resp->address, &is_segwit)) {
if (!compute_address(coin, msg->script_type, node, msg->has_multisig, &msg->multisig, resp->address)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Can't encode address");
}
if (msg->has_show_display && msg->show_display) {
if (is_segwit) {
layoutSegwitWarning();
if (!protectButton(ButtonRequestType_ButtonRequest_Address, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Show address cancelled");
layoutHome();
return;
}
}
char desc[16];
if (msg->has_multisig) {
strlcpy(desc, "Msig __ of __:", sizeof(desc));

15
firmware/layout2.c
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@ -426,18 +426,3 @@ void layoutU2FDialog(const char *verb, const char *appname, const BITMAP *appico
}
layoutDialog(appicon, NULL, verb, NULL, verb, "U2F security key?", NULL, appname, NULL, NULL);
}
void layoutSegwitWarning()
{
layoutDialogSwipe(&bmp_icon_info,
"Cancel",
"Understood",
NULL,
"The following address",
"is for SegWit soft fork.",
NULL,
"It is unsafe to use",
"until segwit activates.",
NULL
);
}

1
firmware/layout2.h
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@ -45,6 +45,5 @@ void layoutPublicKey(const uint8_t *pubkey);
void layoutSignIdentity(const IdentityType *identity, const char *challenge);
void layoutDecryptIdentity(const IdentityType *identity);
void layoutU2FDialog(const char *verb, const char *appname, const BITMAP *appicon);
void layoutSegwitWarning(void);
#endif

9
firmware/signing.c
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@ -113,9 +113,9 @@ Phase2: sign inputs, check that nothing changed
foreach I (idx1): // input to sign
if (idx1 is segwit)
Request I STAGE_REQUEST_SEGWIT_INPUT
Return serialized input chunk
Return serialized input chunk
else
else
foreach I (idx2):
Request I STAGE_REQUEST_4_INPUT
If idx1 == idx2
@ -771,6 +771,11 @@ void signing_txack(TransactionType *tx)
send_req_2_prev_meta();
} else if (tx->inputs[0].script_type == InputScriptType_SPENDWITNESS
|| tx->inputs[0].script_type == InputScriptType_SPENDP2SHWITNESS) {
if (!coin->has_segwit || !coin->segwit) {
fsm_sendFailure(FailureType_Failure_Other, "Segwit not enabled on this coin");
signing_abort();
return;
}
if (!tx->inputs[0].has_amount) {
fsm_sendFailure(FailureType_Failure_Other, "Segwit input without amount");
signing_abort();

24
firmware/transaction.c
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@ -62,8 +62,7 @@ bool compute_address(const CoinType *coin,
InputScriptType script_type,
const HDNode *node,
bool has_multisig, const MultisigRedeemScriptType *multisig,
char address[MAX_ADDR_SIZE],
bool *is_segwit) {
char address[MAX_ADDR_SIZE]) {
uint8_t raw[32];
uint8_t digest[MAX_ADDR_RAW_SIZE];
@ -78,7 +77,9 @@ bool compute_address(const CoinType *coin,
}
if (script_type == InputScriptType_SPENDWITNESS) {
// segwit p2wsh: script hash is single sha256
*is_segwit = 1;
if (!coin->has_segwit || !coin->segwit) {
return 0;
}
if (!coin->has_address_type_p2wsh) {
return 0;
}
@ -92,7 +93,9 @@ bool compute_address(const CoinType *coin,
}
} else if (script_type == InputScriptType_SPENDP2SHWITNESS) {
// segwit p2wsh encapsuled in p2sh address
*is_segwit = 1;
if (!coin->has_segwit || !coin->segwit) {
return 0;
}
if (!coin->has_address_type_p2sh) {
return 0;
}
@ -108,7 +111,6 @@ bool compute_address(const CoinType *coin,
}
} else {
// non-segwit p2sh multisig
*is_segwit = 0;
prelen = address_prefix_bytes_len(coin->address_type_p2sh);
address_write_prefix_bytes(coin->address_type_p2sh, raw);
ripemd160(digest, 32, raw + prelen);
@ -118,7 +120,9 @@ bool compute_address(const CoinType *coin,
}
} else if (script_type == InputScriptType_SPENDWITNESS) {
// segwit p2wpkh: pubkey hash is ripemd160 of sha256
*is_segwit = 1;
if (!coin->has_segwit || !coin->segwit) {
return 0;
}
if (!coin->has_address_type_p2wpkh) {
return 0;
}
@ -132,7 +136,9 @@ bool compute_address(const CoinType *coin,
}
} else if (script_type == InputScriptType_SPENDP2SHWITNESS) {
// segwit p2wpkh embedded in p2sh
*is_segwit = 1;
if (!coin->has_segwit || !coin->segwit) {
return 0;
}
if (!coin->has_address_type_p2sh) {
return 0;
}
@ -147,7 +153,6 @@ bool compute_address(const CoinType *coin,
return 0;
}
} else {
*is_segwit = 0;
ecdsa_get_address(node->public_key, coin->address_type, address, MAX_ADDR_SIZE);
}
return 1;
@ -159,7 +164,6 @@ int compile_output(const CoinType *coin, const HDNode *root, TxOutputType *in, T
out->amount = in->amount;
uint8_t addr_raw[MAX_ADDR_RAW_SIZE];
size_t addr_raw_len;
bool is_segwit;
if (in->script_type == OutputScriptType_PAYTOOPRETURN) {
// only 0 satoshi allowed for OP_RETURN
@ -201,7 +205,7 @@ int compile_output(const CoinType *coin, const HDNode *root, TxOutputType *in, T
hdnode_fill_public_key(&node);
if (!compute_address(coin, input_script_type, &node,
in->has_multisig, &in->multisig,
in->address, &is_segwit)) {
in->address)) {
return 0; // failed to compile output
}
} else if (!in->has_address) {

2
firmware/transaction.h
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@ -45,7 +45,7 @@ typedef struct {
SHA256_CTX ctx;
} TxStruct;
bool compute_address(const CoinType *coin, InputScriptType script_type, const HDNode *node, bool has_multisig, const MultisigRedeemScriptType *multisig, char address[MAX_ADDR_SIZE], bool *is_segwit);
bool compute_address(const CoinType *coin, InputScriptType script_type, const HDNode *node, bool has_multisig, const MultisigRedeemScriptType *multisig, char address[MAX_ADDR_SIZE]);
uint32_t compile_script_sig(uint32_t address_type, const uint8_t *pubkeyhash, uint8_t *out);
uint32_t compile_script_multisig(const MultisigRedeemScriptType *multisig, uint8_t *out);
uint32_t compile_script_multisig_hash(const MultisigRedeemScriptType *multisig, uint8_t *hash);

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