94 lines
3.0 KiB
C
94 lines
3.0 KiB
C
/*******************************************************************************
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* Ledger Ethereum App
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* (c) 2016-2019 Ledger
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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********************************************************************************/
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#pragma once
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#include <stddef.h>
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#include <stdint.h>
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#include "os.h"
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#include "cx.h"
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#define WEI_TO_ETHER 18
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#define ADDRESS_LENGTH 20
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#define INT128_LENGTH 16
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#define INT256_LENGTH 32
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#define KECCAK256_HASH_BYTESIZE 32
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static const char HEXDIGITS[] = "0123456789abcdef";
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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void array_hexstr(char *strbuf, const void *bin, unsigned int len);
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uint64_t u64_from_BE(const uint8_t *in, uint8_t size);
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bool u64_to_string(uint64_t src, char *dst, uint8_t dst_size);
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bool uint256_to_decimal(const uint8_t *value, size_t value_len, char *out, size_t out_len);
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bool amountToString(const uint8_t *amount,
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uint8_t amount_len,
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uint8_t decimals,
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const char *ticker,
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char *out_buffer,
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size_t out_buffer_size);
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bool adjustDecimals(const char *src,
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size_t srcLength,
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char *target,
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size_t targetLength,
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uint8_t decimals);
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bool getEthAddressFromKey(cx_ecfp_public_key_t *publicKey, uint8_t *out, cx_sha3_t *sha3Context);
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bool getEthAddressStringFromKey(cx_ecfp_public_key_t *publicKey,
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char *out,
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cx_sha3_t *sha3Context,
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uint64_t chainId);
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bool getEthAddressStringFromBinary(uint8_t *address,
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char *out,
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cx_sha3_t *sha3Context,
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uint64_t chainId);
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bool getEthDisplayableAddress(uint8_t *in,
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char *out,
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size_t out_len,
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cx_sha3_t *sha3,
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uint64_t chainId);
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static __attribute__((no_instrument_function)) inline int allzeroes(const void *buf, size_t n) {
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uint8_t *p = (uint8_t *) buf;
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for (size_t i = 0; i < n; ++i) {
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if (p[i]) {
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return 0;
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}
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}
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return 1;
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}
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static __attribute__((no_instrument_function)) inline int ismaxint(uint8_t *buf, int n) {
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for (int i = 0; i < n; ++i) {
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if (buf[i] != 0xff) {
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return 0;
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}
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}
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return 1;
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}
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