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