/* * This file is part of the Trezor project, https://trezor.io/ * * Copyright (C) 2018 ZuluCrypto <zulucrypto@protonmail.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 __STELLAR_H__ #define __STELLAR_H__ #include <stdbool.h> #include "base32.h" #include "bip32.h" #include "crypto.h" #include "fsm.h" #include "messages.pb.h" // 56 character base-32 encoded string #define STELLAR_ADDRESS_SIZE 56 // Decodes to 35 bytes #define STELLAR_ADDRESS_SIZE_RAW 35 // Raw key size is 32 bytes #define STELLAR_KEY_SIZE 32 typedef struct { // BIP32 path to the address being used for signing uint32_t address_n[10]; size_t address_n_count; uint8_t signing_pubkey[32]; // 1 - public network, 2 - official testnet, 3 - other private network uint8_t network_type; // Total number of operations expected uint32_t num_operations; // Number that have been confirmed by the user uint32_t confirmed_operations; // sha256 context that will eventually be signed SHA256_CTX sha256_ctx; } StellarTransaction; // Signing process bool stellar_signingInit(const StellarSignTx *tx); void stellar_signingAbort(const char *reason); bool stellar_confirmSourceAccount(bool has_source_account, const char *str_account); bool stellar_confirmCreateAccountOp(const StellarCreateAccountOp *msg); bool stellar_confirmPaymentOp(const StellarPaymentOp *msg); bool stellar_confirmPathPaymentOp(const StellarPathPaymentOp *msg); bool stellar_confirmManageOfferOp(const StellarManageOfferOp *msg); bool stellar_confirmCreatePassiveOfferOp( const StellarCreatePassiveOfferOp *msg); bool stellar_confirmSetOptionsOp(const StellarSetOptionsOp *msg); bool stellar_confirmChangeTrustOp(const StellarChangeTrustOp *msg); bool stellar_confirmAllowTrustOp(const StellarAllowTrustOp *msg); bool stellar_confirmAccountMergeOp(const StellarAccountMergeOp *msg); bool stellar_confirmManageDataOp(const StellarManageDataOp *msg); bool stellar_confirmBumpSequenceOp(const StellarBumpSequenceOp *msg); // Layout void stellar_layoutTransactionDialog(const char *line1, const char *line2, const char *line3, const char *line4, const char *line5); void stellar_layoutTransactionSummary(const StellarSignTx *msg); void stellar_layoutSigningDialog(const char *line1, const char *line2, const char *line3, const char *line4, const char *line5, uint32_t *address_n, size_t address_n_count, const char *warning, bool is_final_step); // Helpers const HDNode *stellar_deriveNode(const uint32_t *address_n, size_t address_n_count); size_t stellar_publicAddressAsStr(const uint8_t *bytes, char *out, size_t outlen); const char **stellar_lineBreakAddress(const uint8_t *addrbytes); void stellar_hashupdate_uint32(uint32_t value); void stellar_hashupdate_uint64(uint64_t value); void stellar_hashupdate_bool(bool value); void stellar_hashupdate_string(const uint8_t *data, size_t len); void stellar_hashupdate_address(const uint8_t *address_bytes); void stellar_hashupdate_asset(const StellarAsset *asset); void stellar_hashupdate_bytes(const uint8_t *data, size_t len); void stellar_fillSignedTx(StellarSignedTx *resp); bool stellar_allOperationsConfirmed(void); void stellar_getSignatureForActiveTx(uint8_t *out_signature); void stellar_format_uint32(uint32_t number, char *out, size_t outlen); void stellar_format_uint64(uint64_t number, char *out, size_t outlen); void stellar_format_stroops(uint64_t number, char *out, size_t outlen); void stellar_format_asset(const StellarAsset *asset, char *str_formatted, size_t len); void stellar_format_price(uint32_t numerator, uint32_t denominator, char *out, size_t outlen); bool stellar_validateAddress(const char *str_address); bool stellar_getAddressBytes(const char *str_address, uint8_t *out_bytes); uint16_t stellar_crc16(uint8_t *bytes, uint32_t length); #endif