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trezor-firmware/legacy/firmware/nem2.h
2022-05-03 21:50:50 +02:00

157 lines
6.2 KiB
C

/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (C) 2017 Saleem Rashid <trezor@saleemrashid.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __NEM2_H__
#define __NEM2_H__
#include "nem.h"
#include "nem_mosaics.h"
#include "messages-nem.pb.h"
#include <stdbool.h>
const char *nem_validate_common(NEMTransactionCommon *common, bool inner);
const char *nem_validate_transfer(const NEMTransfer *transfer, uint8_t network);
const char *nem_validate_provision_namespace(
const NEMProvisionNamespace *provision_namespace, uint8_t network);
const char *nem_validate_mosaic_creation(
const NEMMosaicCreation *mosaic_creation, uint8_t network);
const char *nem_validate_supply_change(
const NEMMosaicSupplyChange *supply_change);
const char *nem_validate_aggregate_modification(
const NEMAggregateModification *aggregate_modification, bool creation);
const char *nem_validate_importance_transfer(
const NEMImportanceTransfer *importance_transfer);
bool nem_askTransfer(const NEMTransactionCommon *common,
const NEMTransfer *transfer, const char *desc);
bool nem_fsmTransfer(nem_transaction_ctx *context, const HDNode *node,
const NEMTransactionCommon *common,
const NEMTransfer *transfer);
bool nem_askProvisionNamespace(const NEMTransactionCommon *common,
const NEMProvisionNamespace *provision_namespace,
const char *desc);
bool nem_fsmProvisionNamespace(
nem_transaction_ctx *context, const NEMTransactionCommon *common,
const NEMProvisionNamespace *provision_namespace);
bool nem_askMosaicCreation(const NEMTransactionCommon *common,
const NEMMosaicCreation *mosaic_creation,
const char *desc, const char *address);
bool nem_fsmMosaicCreation(nem_transaction_ctx *context,
const NEMTransactionCommon *common,
const NEMMosaicCreation *mosaic_creation);
bool nem_askSupplyChange(const NEMTransactionCommon *common,
const NEMMosaicSupplyChange *supply_change,
const char *desc);
bool nem_fsmSupplyChange(nem_transaction_ctx *context,
const NEMTransactionCommon *common,
const NEMMosaicSupplyChange *supply_change);
bool nem_askAggregateModification(
const NEMTransactionCommon *common,
const NEMAggregateModification *aggregate_modification, const char *desc,
bool creation);
bool nem_fsmAggregateModification(
nem_transaction_ctx *context, const NEMTransactionCommon *common,
const NEMAggregateModification *aggregate_modification);
bool nem_askImportanceTransfer(const NEMTransactionCommon *common,
const NEMImportanceTransfer *importance_transfer,
const char *desc);
bool nem_fsmImportanceTransfer(
nem_transaction_ctx *context, const NEMTransactionCommon *common,
const NEMImportanceTransfer *importance_transfer);
bool nem_askMultisig(const char *address, const char *desc, bool cosigning,
uint64_t fee);
bool nem_fsmMultisig(nem_transaction_ctx *context,
const NEMTransactionCommon *common,
const nem_transaction_ctx *inner, bool cosigning);
const NEMMosaicDefinition *nem_mosaicByName(const char *namespace,
const char *mosaic,
uint8_t network);
void nem_canonicalizeMosaics(NEMTransfer *transfer);
void nem_mosaicFormatAmount(const NEMMosaicDefinition *definition,
uint64_t quantity, const bignum256 *multiplier,
char *str_out, size_t size);
bool nem_mosaicFormatLevy(const NEMMosaicDefinition *definition,
uint64_t quantity, const bignum256 *multiplier,
uint8_t network, char *str_out, size_t size);
bool nem_path_check(uint32_t address_n_count, const uint32_t *address_n,
uint8_t network, bool check_coin_type);
static inline void nem_mosaicFormatName(const char *namespace,
const char *mosaic, char *str_out,
size_t size) {
strlcpy(str_out, namespace, size);
strlcat(str_out, ".", size);
strlcat(str_out, mosaic, size);
}
static inline bool nem_mosaicMatches(const NEMMosaicDefinition *definition,
const char *namespace, const char *mosaic,
uint8_t network) {
if (strcmp(namespace, definition->namespace) == 0 &&
strcmp(mosaic, definition->mosaic) == 0) {
if (definition->networks_count == 0) {
return true;
}
for (size_t i = 0; i < definition->networks_count; i++) {
if (definition->networks[i] == network) {
return true;
}
}
}
return false;
}
static inline int nem_mosaicCompare(const NEMMosaic *a, const NEMMosaic *b) {
size_t namespace_length = strlen(a->namespace);
// Ensure that strlen(a->namespace) <= strlen(b->namespace)
if (namespace_length > strlen(b->namespace)) {
return -nem_mosaicCompare(b, a);
}
int r = strncmp(a->namespace, b->namespace, namespace_length);
if (r == 0 && b->namespace[namespace_length] != '\0') {
// The next character would be the separator
r = (':' - b->namespace[namespace_length]);
}
if (r == 0) {
// Finally compare the mosaic
r = strcmp(a->mosaic, b->mosaic);
}
return r;
}
#endif