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810 lines
24 KiB
810 lines
24 KiB
/*
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* This file is part of the TREZOR project, https://trezor.io/
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*
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* Copyright (C) 2017 Saleem Rashid <trezor@saleemrashid.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "nem2.h"
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#include "aes/aes.h"
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#include "fsm.h"
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#include "gettext.h"
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#include "layout2.h"
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#include "protect.h"
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#include "rng.h"
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#include "secp256k1.h"
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const char *nem_validate_common(NEMTransactionCommon *common, bool inner) {
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if (!common->has_network) {
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common->has_network = true;
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common->network = NEM_NETWORK_MAINNET;
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}
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if (common->network > 0xFF || nem_network_name(common->network) == NULL) {
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return inner ? _("Invalid NEM network in inner transaction") : _("Invalid NEM network");
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}
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if (!common->has_timestamp) {
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return inner ? _("No timestamp provided in inner transaction") : _("No timestamp provided");
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}
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if (!common->has_fee) {
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return inner ? _("No fee provided in inner transaction") : _("No fee provided");
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}
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if (!common->has_deadline) {
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return inner ? _("No deadline provided in inner transaction") : _("No deadline provided");
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}
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if (inner != common->has_signer) {
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return inner ? _("No signer provided in inner transaction") : _("Signer not allowed in outer transaction");
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}
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if (common->has_signer && common->signer.size != sizeof(ed25519_public_key)) {
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return _("Invalid signer public key in inner transaction");
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}
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return NULL;
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}
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const char *nem_validate_transfer(const NEMTransfer *transfer, uint8_t network) {
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if (!transfer->has_recipient) return _("No recipient provided");
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if (!transfer->has_amount) return _("No amount provided");
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if (transfer->has_public_key && transfer->public_key.size != sizeof(ed25519_public_key)) {
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return _("Invalid recipient public key");
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}
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if (!nem_validate_address(transfer->recipient, network)) return _("Invalid recipient address");
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for (size_t i = 0; i < transfer->mosaics_count; i++) {
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const NEMMosaic *mosaic = &transfer->mosaics[i];
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if (!mosaic->has_namespace) return _("No mosaic namespace provided");
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if (!mosaic->has_mosaic) return _("No mosaic name provided");
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if (!mosaic->has_quantity) return _("No mosaic quantity provided");
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}
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return NULL;
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}
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const char *nem_validate_provision_namespace(const NEMProvisionNamespace *provision_namespace, uint8_t network) {
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if (!provision_namespace->has_namespace) return _("No namespace provided");
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if (!provision_namespace->has_sink) return _("No rental sink provided");
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if (!provision_namespace->has_fee) return _("No rental sink fee provided");
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if (!nem_validate_address(provision_namespace->sink, network)) return _("Invalid rental sink address");
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return NULL;
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}
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const char *nem_validate_mosaic_creation(const NEMMosaicCreation *mosaic_creation, uint8_t network) {
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if (!mosaic_creation->has_definition) return _("No mosaic definition provided");
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if (!mosaic_creation->has_sink) return _("No creation sink provided");
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if (!mosaic_creation->has_fee) return _("No creation sink fee provided");
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if (!nem_validate_address(mosaic_creation->sink, network)) return _("Invalid creation sink address");
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if (mosaic_creation->definition.has_name) return _("Name not allowed in mosaic creation transactions");
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if (mosaic_creation->definition.has_ticker) return _("Ticker not allowed in mosaic creation transactions");
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if (mosaic_creation->definition.networks_count) return _("Networks not allowed in mosaic creation transactions");
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if (!mosaic_creation->definition.has_namespace) return _("No mosaic namespace provided");
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if (!mosaic_creation->definition.has_mosaic) return _("No mosaic name provided");
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if (mosaic_creation->definition.has_levy) {
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if (!mosaic_creation->definition.has_fee) return _("No levy address provided");
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if (!mosaic_creation->definition.has_levy_address) return _("No levy address provided");
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if (!mosaic_creation->definition.has_levy_namespace) return _("No levy namespace provided");
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if (!mosaic_creation->definition.has_levy_mosaic) return _("No levy mosaic name provided");
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if (!mosaic_creation->definition.has_divisibility) return _("No divisibility provided");
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if (!mosaic_creation->definition.has_supply) return _("No supply provided");
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if (!mosaic_creation->definition.has_mutable_supply) return _("No supply mutability provided");
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if (!mosaic_creation->definition.has_transferable) return _("No mosaic transferability provided");
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if (!mosaic_creation->definition.has_description) return _("No description provided");
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if (mosaic_creation->definition.divisibility > NEM_MAX_DIVISIBILITY) return _("Invalid divisibility provided");
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if (mosaic_creation->definition.supply > NEM_MAX_SUPPLY) return _("Invalid supply provided");
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if (!nem_validate_address(mosaic_creation->definition.levy_address, network)) return _("Invalid levy address");
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}
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return NULL;
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}
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const char *nem_validate_supply_change(const NEMMosaicSupplyChange *supply_change) {
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if (!supply_change->has_namespace) return _("No namespace provided");
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if (!supply_change->has_mosaic) return _("No mosaic provided");
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if (!supply_change->has_type) return _("No type provided");
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if (!supply_change->has_delta) return _("No delta provided");
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return NULL;
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}
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const char *nem_validate_aggregate_modification(const NEMAggregateModification *aggregate_modification, bool creation) {
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if (creation && aggregate_modification->modifications_count == 0) {
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return _("No modifications provided");
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}
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for (size_t i = 0; i < aggregate_modification->modifications_count; i++) {
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const NEMCosignatoryModification *modification = &aggregate_modification->modifications[i];
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if (!modification->has_type) return _("No modification type provided");
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if (!modification->has_public_key) return _("No cosignatory public key provided");
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if (modification->public_key.size != 32) return _("Invalid cosignatory public key provided");
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if (creation && modification->type == NEMModificationType_CosignatoryModification_Delete) {
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return _("Cannot remove cosignatory when converting account");
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}
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}
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return NULL;
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}
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const char *nem_validate_importance_transfer(const NEMImportanceTransfer *importance_transfer) {
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if (!importance_transfer->has_mode) return _("No mode provided");
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if (!importance_transfer->has_public_key) return _("No remote account provided");
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if (importance_transfer->public_key.size != 32) return _("Invalid remote account provided");
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return NULL;
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}
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bool nem_askTransfer(const NEMTransactionCommon *common, const NEMTransfer *transfer, const char *desc) {
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if (transfer->mosaics_count) {
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const NEMMosaic *xem = NULL;
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bool unknownMosaic = false;
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const NEMMosaicDefinition *definitions[transfer->mosaics_count];
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for (size_t i = 0; i < transfer->mosaics_count; i++) {
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const NEMMosaic *mosaic = &transfer->mosaics[i];
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definitions[i] = nem_mosaicByName(mosaic->namespace, mosaic->mosaic, common->network);
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if (definitions[i] == NEM_MOSAIC_DEFINITION_XEM) {
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xem = mosaic;
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} else if (definitions[i] == NULL) {
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unknownMosaic = true;
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}
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}
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bignum256 multiplier;
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bn_read_uint64(transfer->amount, &multiplier);
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if (unknownMosaic) {
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layoutDialogSwipe(&bmp_icon_question,
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_("Cancel"),
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_("I take the risk"),
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_("Unknown Mosaics"),
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_("Divisibility and levy"),
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_("cannot be shown for"),
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_("unknown mosaics!"),
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NULL,
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NULL,
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NULL);
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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}
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layoutNEMTransferXEM(desc, xem ? xem->quantity : 0, &multiplier, common->fee);
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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for (size_t i = 0; i < transfer->mosaics_count; i++) {
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const NEMMosaic *mosaic = &transfer->mosaics[i];
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if (mosaic == xem) {
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continue;
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}
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if (definitions[i]) {
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layoutNEMTransferMosaic(definitions[i], mosaic->quantity, &multiplier, common->network);
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} else {
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layoutNEMTransferUnknownMosaic(mosaic->namespace, mosaic->mosaic, mosaic->quantity, &multiplier);
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}
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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}
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} else {
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layoutNEMTransferXEM(desc, transfer->amount, NULL, common->fee);
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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}
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if (transfer->has_payload) {
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layoutNEMTransferPayload(transfer->payload.bytes, transfer->payload.size, transfer->has_public_key);
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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}
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layoutNEMDialog(&bmp_icon_question,
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_("Cancel"),
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_("Confirm"),
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desc,
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_("Confirm transfer to"),
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transfer->recipient);
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if (!protectButton(ButtonRequestType_ButtonRequest_SignTx, false)) {
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return false;
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}
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return true;
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}
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bool nem_fsmTransfer(nem_transaction_ctx *context, const HDNode *node, const NEMTransactionCommon *common, const NEMTransfer *transfer) {
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static uint8_t encrypted[NEM_ENCRYPTED_PAYLOAD_SIZE(sizeof(transfer->payload.bytes))];
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const uint8_t *payload = transfer->payload.bytes;
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size_t size = transfer->payload.size;
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if (transfer->has_public_key) {
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if (node == NULL) {
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fsm_sendFailure(FailureType_Failure_ProcessError, _("Private key unavailable for encrypted message"));
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return false;
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}
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random_buffer(encrypted, NEM_SALT_SIZE + AES_BLOCK_SIZE);
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const uint8_t *salt = encrypted;
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const uint8_t *iv = &encrypted[NEM_SALT_SIZE];
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uint8_t *buffer = &encrypted[NEM_SALT_SIZE + AES_BLOCK_SIZE];
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bool ret = hdnode_nem_encrypt(node,
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transfer->public_key.bytes,
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iv,
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salt,
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payload,
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size,
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buffer);
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if (!ret) {
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fsm_sendFailure(FailureType_Failure_ProcessError, _("Failed to encrypt payload"));
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return false;
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}
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payload = encrypted;
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size = NEM_ENCRYPTED_PAYLOAD_SIZE(size);
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}
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bool ret = nem_transaction_create_transfer(context,
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common->network,
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common->timestamp,
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NULL,
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common->fee,
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common->deadline,
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transfer->recipient,
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transfer->amount,
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payload,
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size,
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transfer->has_public_key,
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transfer->mosaics_count);
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if (!ret) {
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fsm_sendFailure(FailureType_Failure_ProcessError, _("Failed to create transfer transaction"));
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return false;
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}
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for (size_t i = 0; i < transfer->mosaics_count; i++) {
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const NEMMosaic *mosaic = &transfer->mosaics[i];
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ret = nem_transaction_write_mosaic(context,
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mosaic->namespace,
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mosaic->mosaic,
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mosaic->quantity);
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if (!ret) {
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fsm_sendFailure(FailureType_Failure_ProcessError, _("Failed to attach mosaics"));
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return false;
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}
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}
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return true;
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}
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bool nem_askProvisionNamespace(const NEMTransactionCommon *common, const NEMProvisionNamespace *provision_namespace, const char *desc) {
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layoutDialogSwipe(&bmp_icon_question,
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_("Cancel"),
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_("Next"),
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desc,
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_("Create namespace"),
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provision_namespace->namespace,
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provision_namespace->has_parent ? _("under namespace") : NULL,
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provision_namespace->has_parent ? provision_namespace->parent : NULL,
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NULL,
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NULL);
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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layoutNEMNetworkFee(desc, true, _("Confirm rental fee of"), provision_namespace->fee, _("and network fee of"), common->fee);
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if (!protectButton(ButtonRequestType_ButtonRequest_SignTx, false)) {
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return false;
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}
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return true;
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}
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bool nem_fsmProvisionNamespace(nem_transaction_ctx *context, const NEMTransactionCommon *common, const NEMProvisionNamespace *provision_namespace) {
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return nem_transaction_create_provision_namespace(context,
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common->network,
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common->timestamp,
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NULL,
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common->fee,
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common->deadline,
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provision_namespace->namespace,
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provision_namespace->has_parent ? provision_namespace->parent : NULL,
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provision_namespace->sink,
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provision_namespace->fee);
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}
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bool nem_askMosaicCreation(const NEMTransactionCommon *common, const NEMMosaicCreation *mosaic_creation, const char *desc, const char *address) {
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layoutDialogSwipe(&bmp_icon_question,
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_("Cancel"),
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_("Next"),
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desc,
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_("Create mosaic"),
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mosaic_creation->definition.mosaic,
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_("under namespace"),
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mosaic_creation->definition.namespace,
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NULL,
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NULL);
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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layoutNEMMosaicDescription(mosaic_creation->definition.description);
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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char str_out[32];
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bn_format_uint64(mosaic_creation->definition.supply,
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NULL,
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NULL,
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mosaic_creation->definition.divisibility,
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mosaic_creation->definition.divisibility,
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true,
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str_out,
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sizeof(str_out));
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layoutDialogSwipe(&bmp_icon_question,
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_("Cancel"),
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_("Next"),
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_("Properties"),
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mosaic_creation->definition.mutable_supply ? _("Mutable supply:") : _("Immutable supply:"),
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str_out,
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_("Mosaic will be"),
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mosaic_creation->definition.transferable ? _("transferable") : _("non-transferable"),
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NULL,
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NULL);
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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if (mosaic_creation->definition.has_levy) {
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layoutNEMLevy(&mosaic_creation->definition, common->network);
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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if (strcmp(address, mosaic_creation->definition.levy_address) == 0) {
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layoutDialogSwipe(&bmp_icon_question,
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_("Cancel"),
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_("Next"),
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_("Levy Recipient"),
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_("Levy will be paid to"),
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_("yourself"),
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NULL,
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NULL,
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NULL,
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NULL);
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} else {
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layoutNEMDialog(&bmp_icon_question,
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_("Cancel"),
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_("Next"),
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_("Levy Recipient"),
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_("Levy will be paid to"),
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mosaic_creation->definition.levy_address);
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}
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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}
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layoutNEMNetworkFee(desc, true, _("Confirm creation fee"), mosaic_creation->fee, _("and network fee of"), common->fee);
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if (!protectButton(ButtonRequestType_ButtonRequest_SignTx, false)) {
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return false;
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}
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return true;
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}
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bool nem_fsmMosaicCreation(nem_transaction_ctx *context, const NEMTransactionCommon *common, const NEMMosaicCreation *mosaic_creation) {
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return nem_transaction_create_mosaic_creation(context,
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common->network,
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common->timestamp,
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NULL,
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common->fee,
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common->deadline,
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mosaic_creation->definition.namespace,
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mosaic_creation->definition.mosaic,
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mosaic_creation->definition.description,
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mosaic_creation->definition.divisibility,
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mosaic_creation->definition.supply,
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mosaic_creation->definition.mutable_supply,
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mosaic_creation->definition.transferable,
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mosaic_creation->definition.levy,
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mosaic_creation->definition.fee,
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mosaic_creation->definition.levy_address,
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mosaic_creation->definition.levy_namespace,
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mosaic_creation->definition.levy_mosaic,
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mosaic_creation->sink,
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mosaic_creation->fee);
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}
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bool nem_askSupplyChange(const NEMTransactionCommon *common, const NEMMosaicSupplyChange *supply_change, const char *desc) {
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layoutDialogSwipe(&bmp_icon_question,
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_("Cancel"),
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_("Next"),
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desc,
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_("Modify supply for"),
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supply_change->mosaic,
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_("under namespace"),
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supply_change->namespace,
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NULL,
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NULL);
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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char str_out[32];
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bn_format_uint64(supply_change->delta, NULL, NULL, 0, 0, false, str_out, sizeof(str_out));
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layoutDialogSwipe(&bmp_icon_question,
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_("Cancel"),
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_("Next"),
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desc,
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supply_change->type == NEMSupplyChangeType_SupplyChange_Increase ? _("Increase supply by") : _("Decrease supply by"),
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str_out,
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_("whole units"),
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NULL,
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NULL,
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NULL);
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if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
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return false;
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}
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layoutNEMNetworkFee(desc, true, _("Confirm network fee"), common->fee, NULL, 0);
|
|
if (!protectButton(ButtonRequestType_ButtonRequest_SignTx, false)) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool nem_fsmSupplyChange(nem_transaction_ctx *context, const NEMTransactionCommon *common, const NEMMosaicSupplyChange *supply_change) {
|
|
return nem_transaction_create_mosaic_supply_change(context,
|
|
common->network,
|
|
common->timestamp,
|
|
NULL,
|
|
common->fee,
|
|
common->deadline,
|
|
supply_change->namespace,
|
|
supply_change->mosaic,
|
|
supply_change->type,
|
|
supply_change->delta);
|
|
}
|
|
|
|
bool nem_askAggregateModification(const NEMTransactionCommon *common, const NEMAggregateModification *aggregate_modification, const char *desc, bool creation) {
|
|
if (creation) {
|
|
layoutDialogSwipe(&bmp_icon_question,
|
|
_("Cancel"),
|
|
_("Next"),
|
|
desc,
|
|
_("Convert account to"),
|
|
_("multisig account?"),
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL);
|
|
if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
char address[NEM_ADDRESS_SIZE + 1];
|
|
|
|
for (size_t i = 0; i < aggregate_modification->modifications_count; i++) {
|
|
const NEMCosignatoryModification *modification = &aggregate_modification->modifications[i];
|
|
nem_get_address(modification->public_key.bytes, common->network, address);
|
|
|
|
layoutNEMDialog(&bmp_icon_question,
|
|
_("Cancel"),
|
|
_("Next"),
|
|
desc,
|
|
modification->type == NEMModificationType_CosignatoryModification_Add ? _("Add cosignatory") : _("Remove cosignatory"),
|
|
address);
|
|
if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
int32_t relative_change = aggregate_modification->relative_change;
|
|
if (relative_change) {
|
|
char str_out[32];
|
|
bn_format_uint64(relative_change < 0 ? -relative_change : relative_change,
|
|
NULL,
|
|
NULL,
|
|
0,
|
|
0,
|
|
false,
|
|
str_out,
|
|
sizeof(str_out));
|
|
|
|
layoutDialogSwipe(&bmp_icon_question,
|
|
_("Cancel"),
|
|
_("Next"),
|
|
desc,
|
|
creation ? _("Set minimum") : (relative_change < 0 ? _("Decrease minimum") : _("Increase minimum")),
|
|
creation ? _("cosignatories to") : _("cosignatories by"),
|
|
str_out,
|
|
NULL,
|
|
NULL,
|
|
NULL);
|
|
if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
layoutNEMNetworkFee(desc, true, _("Confirm network fee"), common->fee, NULL, 0);
|
|
if (!protectButton(ButtonRequestType_ButtonRequest_SignTx, false)) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool nem_fsmAggregateModification(nem_transaction_ctx *context, const NEMTransactionCommon *common, const NEMAggregateModification *aggregate_modification) {
|
|
bool ret = nem_transaction_create_aggregate_modification(context,
|
|
common->network,
|
|
common->timestamp,
|
|
NULL,
|
|
common->fee,
|
|
common->deadline,
|
|
aggregate_modification->modifications_count,
|
|
aggregate_modification->relative_change != 0);
|
|
if (!ret) return false;
|
|
|
|
for (size_t i = 0; i < aggregate_modification->modifications_count; i++) {
|
|
const NEMCosignatoryModification *modification = &aggregate_modification->modifications[i];
|
|
|
|
ret = nem_transaction_write_cosignatory_modification(context,
|
|
modification->type,
|
|
modification->public_key.bytes);
|
|
if (!ret) return false;
|
|
}
|
|
|
|
if (aggregate_modification->relative_change) {
|
|
ret = nem_transaction_write_minimum_cosignatories(context, aggregate_modification->relative_change);
|
|
if (!ret) return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool nem_askImportanceTransfer(const NEMTransactionCommon *common, const NEMImportanceTransfer *importance_transfer, const char *desc) {
|
|
layoutDialogSwipe(&bmp_icon_question,
|
|
_("Cancel"),
|
|
_("Next"),
|
|
desc,
|
|
importance_transfer->mode == NEMImportanceTransferMode_ImportanceTransfer_Activate ? _("Activate remote") : _("Deactivate remote"),
|
|
_("harvesting?"),
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL);
|
|
if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
|
|
return false;
|
|
}
|
|
|
|
layoutNEMNetworkFee(desc, true, _("Confirm network fee"), common->fee, NULL, 0);
|
|
if (!protectButton(ButtonRequestType_ButtonRequest_SignTx, false)) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool nem_fsmImportanceTransfer(nem_transaction_ctx *context, const NEMTransactionCommon *common, const NEMImportanceTransfer *importance_transfer) {
|
|
return nem_transaction_create_importance_transfer(context,
|
|
common->network,
|
|
common->timestamp,
|
|
NULL,
|
|
common->fee,
|
|
common->deadline,
|
|
importance_transfer->mode,
|
|
importance_transfer->public_key.bytes);
|
|
}
|
|
|
|
bool nem_askMultisig(const char *address, const char *desc, bool cosigning, uint64_t fee) {
|
|
layoutNEMDialog(&bmp_icon_question,
|
|
_("Cancel"),
|
|
_("Next"),
|
|
desc,
|
|
cosigning ? _("Cosign transaction for") : _("Initiate transaction for"),
|
|
address);
|
|
if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
|
|
return false;
|
|
}
|
|
|
|
layoutNEMNetworkFee(desc, false, _("Confirm multisig fee"), fee, NULL, 0);
|
|
if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool nem_fsmMultisig(nem_transaction_ctx *context, const NEMTransactionCommon *common, const nem_transaction_ctx *inner, bool cosigning) {
|
|
bool ret;
|
|
if (cosigning) {
|
|
ret = nem_transaction_create_multisig_signature(context,
|
|
common->network,
|
|
common->timestamp,
|
|
NULL,
|
|
common->fee,
|
|
common->deadline,
|
|
inner);
|
|
} else {
|
|
ret = nem_transaction_create_multisig(context,
|
|
common->network,
|
|
common->timestamp,
|
|
NULL,
|
|
common->fee,
|
|
common->deadline,
|
|
inner);
|
|
}
|
|
|
|
if (!ret) {
|
|
fsm_sendFailure(FailureType_Failure_ProcessError, _("Failed to create multisig transaction"));
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
const NEMMosaicDefinition *nem_mosaicByName(const char *namespace, const char *mosaic, uint8_t network) {
|
|
for (size_t i = 0; i < NEM_MOSAIC_DEFINITIONS_COUNT; i++) {
|
|
const NEMMosaicDefinition *definition = &NEM_MOSAIC_DEFINITIONS[i];
|
|
|
|
if (nem_mosaicMatches(definition, namespace, mosaic, network)) {
|
|
return definition;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static inline size_t format_amount(const NEMMosaicDefinition *definition, const bignum256 *amnt, const bignum256 *multiplier, int divisor, char *str_out, size_t size) {
|
|
bignum256 val;
|
|
memcpy(&val, amnt, sizeof(bignum256));
|
|
|
|
if (multiplier) {
|
|
bn_multiply(multiplier, &val, &secp256k1.prime);
|
|
divisor += NEM_MOSAIC_DEFINITION_XEM->divisibility;
|
|
}
|
|
|
|
return bn_format(&val,
|
|
NULL,
|
|
definition && definition->has_ticker ? definition->ticker : NULL,
|
|
definition && definition->has_divisibility ? definition->divisibility : 0,
|
|
-divisor,
|
|
false,
|
|
str_out,
|
|
size);
|
|
}
|
|
|
|
size_t nem_canonicalizeMosaics(NEMMosaic *mosaics, size_t mosaics_count) {
|
|
if (mosaics_count <= 1) {
|
|
return mosaics_count;
|
|
}
|
|
|
|
size_t actual_count = 0;
|
|
|
|
bool skip[mosaics_count];
|
|
memset(skip, 0, sizeof(skip));
|
|
|
|
// Merge duplicates
|
|
for (size_t i = 0; i < mosaics_count; i++) {
|
|
if (skip[i]) continue;
|
|
|
|
NEMMosaic *mosaic = &mosaics[actual_count];
|
|
|
|
if (actual_count++ != i) {
|
|
memcpy(mosaic, &mosaics[i], sizeof(NEMMosaic));
|
|
}
|
|
|
|
for (size_t j = i + 1; j < mosaics_count; j++) {
|
|
if (skip[j]) continue;
|
|
|
|
const NEMMosaic *new_mosaic = &mosaics[j];
|
|
|
|
if (nem_mosaicCompare(mosaic, new_mosaic) == 0) {
|
|
skip[j] = true;
|
|
mosaic->quantity += new_mosaic->quantity;
|
|
}
|
|
}
|
|
}
|
|
|
|
NEMMosaic temp;
|
|
|
|
// Sort mosaics
|
|
for (size_t i = 0; i < actual_count - 1; i++) {
|
|
NEMMosaic *a = &mosaics[i];
|
|
|
|
for (size_t j = i + 1; j < actual_count; j++) {
|
|
NEMMosaic *b = &mosaics[j];
|
|
|
|
if (nem_mosaicCompare(a, b) > 0) {
|
|
memcpy(&temp, a, sizeof(NEMMosaic));
|
|
memcpy(a, b, sizeof(NEMMosaic));
|
|
memcpy(b, &temp, sizeof(NEMMosaic));
|
|
}
|
|
}
|
|
}
|
|
|
|
return actual_count;
|
|
}
|
|
|
|
void nem_mosaicFormatAmount(const NEMMosaicDefinition *definition, uint64_t quantity, const bignum256 *multiplier, char *str_out, size_t size) {
|
|
bignum256 amnt;
|
|
bn_read_uint64(quantity, &amnt);
|
|
|
|
format_amount(definition, &amnt, multiplier, 0, str_out, size);
|
|
}
|
|
|
|
bool nem_mosaicFormatLevy(const NEMMosaicDefinition *definition, uint64_t quantity, const bignum256 *multiplier, uint8_t network, char *str_out, size_t size) {
|
|
if (!definition->has_levy || !definition->has_fee) {
|
|
return false;
|
|
}
|
|
|
|
bignum256 amnt, fee;
|
|
bn_read_uint64(quantity, &amnt);
|
|
bn_read_uint64(definition->fee, &fee);
|
|
|
|
const NEMMosaicDefinition *mosaic = nem_mosaicByName(definition->levy_namespace, definition->levy_mosaic, network);
|
|
|
|
switch (definition->levy) {
|
|
case NEMMosaicLevy_MosaicLevy_Absolute:
|
|
return format_amount(mosaic, &fee, NULL, 0, str_out, size);
|
|
|
|
case NEMMosaicLevy_MosaicLevy_Percentile:
|
|
bn_multiply(&fee, &amnt, &secp256k1.prime);
|
|
return format_amount(mosaic, &amnt, multiplier, NEM_LEVY_PERCENTILE_DIVISOR, str_out, size);
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|