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Add Swap feature

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This commit is contained in:
TamtamHero
2020-06-29 15:43:02 +02:00
parent 2027fecffa
commit 9d4dfbe1bf
31 changed files with 650 additions and 312 deletions
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39
src_common/ethUtils.c
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@@ -32,8 +32,6 @@
#include "ethUtils.h"
#include "chainConfig.h"
extern chain_config_t *chainConfig;
bool rlpCanDecode(uint8_t *buffer, uint32_t bufferLength, bool *valid) {
if (*buffer <= 0x7f) {
} else if (*buffer <= 0xb7) {
@@ -156,15 +154,16 @@ char convertDigit(uint8_t *address, uint8_t index, uint8_t *hash) {
}
void getEthAddressStringFromKey(cx_ecfp_public_key_t *publicKey, uint8_t *out,
cx_sha3_t *sha3Context) {
cx_sha3_t *sha3Context, chain_config_t* chain_config) {
uint8_t hashAddress[32];
cx_keccak_init(sha3Context, 256);
cx_hash((cx_hash_t*)sha3Context, CX_LAST, publicKey->W + 1, 64, hashAddress, 32);
getEthAddressStringFromBinary(hashAddress + 12, out, sha3Context);
getEthAddressStringFromBinary(hashAddress + 12, out, sha3Context, chain_config);
}
void getEthAddressStringFromBinary(uint8_t *address, uint8_t *out,
cx_sha3_t *sha3Context) {
cx_sha3_t *sha3Context, chain_config_t* chain_config) {
UNUSED(chain_config);
uint8_t hashChecksum[32];
uint8_t i;
cx_keccak_init(sha3Context, 256);
@@ -180,37 +179,43 @@ void getEthAddressStringFromBinary(uint8_t *address, uint8_t *out,
static const uint8_t const HEXDIGITS[] = "0123456789abcdef";
void getEthAddressStringFromKey(cx_ecfp_public_key_t *publicKey, uint8_t *out,
cx_sha3_t *sha3Context) {
cx_sha3_t *sha3Context, chain_config_t* chain_config) {
uint8_t hashAddress[32];
cx_keccak_init(sha3Context, 256);
cx_hash((cx_hash_t*)sha3Context, CX_LAST, publicKey->W + 1, 64, hashAddress, 32);
getEthAddressStringFromBinary(hashAddress + 12, out, sha3Context);
getEthAddressStringFromBinary(hashAddress + 12, out, sha3Context, chain_config);
}
void getEthAddressStringFromBinary(uint8_t *address, uint8_t *out,
cx_sha3_t *sha3Context) {
uint8_t hashChecksum[32];
uint8_t tmp[100];
cx_sha3_t *sha3Context, chain_config_t* chain_config) {
// save some precious stack space
union locals_union
{
uint8_t hashChecksum[32];
uint8_t tmp[51];
} locals_union;
uint8_t i;
bool eip1191 = false;
uint32_t offset = 0;
switch(chainConfig->chainId) {
switch(chain_config->chainId) {
case 30:
case 31:
eip1191 = true;
break;
}
if (eip1191) {
snprintf((char*)tmp, sizeof(tmp), "%d0x", chainConfig->chainId);
offset = strlen((char*)tmp);
snprintf((char*)locals_union.tmp, sizeof(locals_union.tmp), "%d0x", chain_config->chainId);
offset = strlen((char*)locals_union.tmp);
}
for (i = 0; i < 20; i++) {
uint8_t digit = address[i];
tmp[offset + 2 * i] = HEXDIGITS[(digit >> 4) & 0x0f];
tmp[offset + 2 * i + 1] = HEXDIGITS[digit & 0x0f];
locals_union.tmp[offset + 2 * i] = HEXDIGITS[(digit >> 4) & 0x0f];
locals_union.tmp[offset + 2 * i + 1] = HEXDIGITS[digit & 0x0f];
}
cx_keccak_init(sha3Context, 256);
cx_hash((cx_hash_t*)sha3Context, CX_LAST, tmp, offset + 40, hashChecksum, 32);
cx_hash((cx_hash_t*)sha3Context, CX_LAST, locals_union.tmp, offset + 40, locals_union.hashChecksum, 32);
for (i = 0; i < 40; i++) {
uint8_t digit = address[i / 2];
if ((i % 2) == 0) {
@@ -222,7 +227,7 @@ void getEthAddressStringFromBinary(uint8_t *address, uint8_t *out,
out[i] = HEXDIGITS[digit];
}
else {
int v = (hashChecksum[i / 2] >> (4 * (1 - i % 2))) & 0x0f;
int v = (locals_union.hashChecksum[i / 2] >> (4 * (1 - i % 2))) & 0x0f;
if (v >= 8) {
out[i] = HEXDIGITS[digit] - 'a' + 'A';
}