void fsm_msgGetAddress(GetAddress *msg)
{
RESP_INIT(Address);
if (!protectPin(true)) {
layoutHome();
return;
}
const CoinType *coin = fsm_getCoin(msg->coin_name);
if (!coin) return;
const HDNode *node = fsm_getDerivedNode(msg->address_n, msg->address_n_count);
if (!node) return;
if (msg->has_multisig) {
layoutProgressSwipe("Preparing", 0);
if (cryptoMultisigPubkeyIndex(&(msg->multisig), node->public_key) < 0) {
fsm_sendFailure(FailureType_Failure_Other, "Pubkey not found in multisig script");
layoutHome();
return;
}
uint8_t buf[32];
if (compile_script_multisig_hash(&(msg->multisig), buf) == 0) {
fsm_sendFailure(FailureType_Failure_Other, "Invalid multisig script");
layoutHome();
return;
}
ripemd160(buf, 32, buf + 1);
buf[0] = coin->address_type_p2sh; // multisig cointype
base58_encode_check(buf, 21, resp->address, sizeof(resp->address));
} else {
ecdsa_get_address(node->public_key, coin->address_type, resp->address, sizeof(resp->address));
}
if (msg->has_show_display && msg->show_display) {
char desc[16];
if (msg->has_multisig) {
strlcpy(desc, "Msig __ of __:", sizeof(desc));
const uint32_t m = msg->multisig.m;
const uint32_t n = msg->multisig.pubkeys_count;
desc[5] = (m < 10) ? ' ': ('0' + (m / 10));
desc[6] = '0' + (m % 10);
desc[11] = (n < 10) ? ' ': ('0' + (n / 10));
desc[12] = '0' + (n % 10);
} else {
strlcpy(desc, "Address:", sizeof(desc));
}
layoutAddress(resp->address, desc);
if (!protectButton(ButtonRequestType_ButtonRequest_Address, true)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Show address cancelled");
layoutHome();
return;
}
}
msg_write(MessageType_MessageType_Address, resp);
layoutHome();
}
void fsm_msgGetAddress(GetAddress *msg)
{
RESP_INIT(Address);
if (!storage_is_initialized())
{
fsm_sendFailure(FailureType_Failure_NotInitialized, "Device not initialized");
return;
}
if(!pin_protect_cached())
{
go_home();
return;
}
const CoinType *coin = fsm_getCoin(msg->coin_name);
if(!coin) { return; }
const HDNode *node = fsm_getDerivedNode(msg->address_n, msg->address_n_count);
if(!node) { return; }
if(msg->has_multisig)
{
if(cryptoMultisigPubkeyIndex(&(msg->multisig), node->public_key) < 0)
{
fsm_sendFailure(FailureType_Failure_Other,
"Pubkey not found in multisig script");
go_home();
return;
}
uint8_t buf[32];
if(compile_script_multisig_hash(&(msg->multisig), buf) == 0)
{
fsm_sendFailure(FailureType_Failure_Other, "Invalid multisig script");
go_home();
return;
}
ripemd160(buf, 32, buf + 1);
buf[0] = coin->address_type_p2sh; // multisig cointype
base58_encode_check(buf, 21, resp->address, sizeof(resp->address));
}
else
{
ecdsa_get_address(node->public_key, coin->address_type, resp->address,
sizeof(resp->address));
}
if(msg->has_show_display && msg->show_display)
{
char desc[MEDIUM_STR_BUF] = "";
if(msg->has_multisig)
{
const uint32_t m = msg->multisig.m;
const uint32_t n = msg->multisig.pubkeys_count;
/* snprintf: 22 + 10 (%lu) + 10 (%lu) + 1 (NULL) = 43 */
snprintf(desc, MEDIUM_STR_BUF, "(Multi-Signature %lu of %lu)", (unsigned long)m,
(unsigned long)n);
}
if(!confirm_address(desc, resp->address))
{
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Show address cancelled");
go_home();
return;
}
}
msg_write(MessageType_MessageType_Address, resp);
go_home();
}