d-bis/app-ethereum
4
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ETH plugin SDK : Move some parts from plugin boilerplate to Eth plugin SDK to ease the plugins development, remove throw and fix the CI issues

Browse Source
This commit is contained in:
tdejoigny-ledger
2023-07-11 17:23:49 +02:00
committed by Alexandre Paillier
parent 03c43f73da
commit eeb52344df
8 changed files with 192 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
src_common/ethUtils.c
View File

@@ -117,30 +117,59 @@ bool rlpDecodeLength(uint8_t *buffer, uint32_t *fieldLength, uint32_t *offset, b
return true;
}
void getEthAddressFromKey(cx_ecfp_public_key_t *publicKey, uint8_t *out, cx_sha3_t *sha3Context) {
bool getEthAddressFromKey(cx_ecfp_public_key_t *publicKey, uint8_t *out, cx_sha3_t *sha3Context) {
uint8_t hashAddress[INT256_LENGTH];
cx_keccak_init(sha3Context, 256);
cx_hash((cx_hash_t *) sha3Context, CX_LAST, publicKey->W + 1, 64, hashAddress, 32);
if (cx_keccak_init_no_throw(sha3Context, 256) != CX_OK) {
return false;
}
if (cx_hash_no_throw((cx_hash_t *) sha3Context,
CX_LAST,
publicKey->W + 1,
64,
hashAddress,
32) != CX_OK) {
return false;
}
memmove(out, hashAddress + 12, 20);
return true;
}
void getEthAddressStringFromKey(cx_ecfp_public_key_t *publicKey,
bool getEthAddressStringFromKey(cx_ecfp_public_key_t *publicKey,
char *out,
cx_sha3_t *sha3Context,
uint64_t chainId) {
uint8_t hashAddress[INT256_LENGTH];
cx_keccak_init(sha3Context, 256);
cx_hash((cx_hash_t *) sha3Context, CX_LAST, publicKey->W + 1, 64, hashAddress, 32);
getEthAddressStringFromBinary(hashAddress + 12, out, sha3Context, chainId);
if (cx_keccak_init_no_throw(sha3Context, 256) != CX_OK) {
return false;
}
if (cx_hash_no_throw((cx_hash_t *) sha3Context,
CX_LAST,
publicKey->W + 1,
64,
hashAddress,
32) != CX_OK) {
return false;
}
if (!getEthAddressStringFromBinary(hashAddress + 12, out, sha3Context, chainId)) {
return false;
}
return true;
}
void u64_to_string(uint64_t src, char *dst, uint8_t dst_size) {
bool u64_to_string(uint64_t src, char *dst, uint8_t dst_size) {
// Copy the numbers in ASCII format.
uint8_t i = 0;
do {
// Checking `i + 1` to make sure we have enough space for '\0'.
if (i + 1 >= dst_size) {
THROW(0x6502);
return false;
}
dst[i] = src % 10 + '0';
src /= 10;
@@ -160,9 +189,10 @@ void u64_to_string(uint64_t src, char *dst, uint8_t dst_size) {
i--;
j++;
}
return true;
}
void getEthAddressStringFromBinary(uint8_t *address,
bool getEthAddressStringFromBinary(uint8_t *address,
char *out,
cx_sha3_t *sha3Context,
uint64_t chainId) {
@@ -182,7 +212,9 @@ void getEthAddressStringFromBinary(uint8_t *address,
break;
}
if (eip1191) {
u64_to_string(chainId, (char *) locals_union.tmp, sizeof(locals_union.tmp));
if (!u64_to_string(chainId, (char *) locals_union.tmp, sizeof(locals_union.tmp))) {
return false;
}
offset = strnlen((char *) locals_union.tmp, sizeof(locals_union.tmp));
strlcat((char *) locals_union.tmp + offset, "0x", sizeof(locals_union.tmp) - offset);
offset = strnlen((char *) locals_union.tmp, sizeof(locals_union.tmp));
@@ -192,13 +224,18 @@ void getEthAddressStringFromBinary(uint8_t *address,
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,
locals_union.tmp,
offset + 40,
locals_union.hashChecksum,
32);
if (cx_keccak_init_no_throw(sha3Context, 256) != CX_OK) {
return false;
}
if (cx_hash_no_throw((cx_hash_t *) sha3Context,
CX_LAST,
locals_union.tmp,
offset + 40,
locals_union.hashChecksum,
32) != CX_OK) {
return false;
}
for (i = 0; i < 40; i++) {
uint8_t digit = address[i / 2];
if ((i % 2) == 0) {
@@ -218,24 +255,31 @@ void getEthAddressStringFromBinary(uint8_t *address,
}
}
out[40] = '\0';
return true;
}
/* Fills the `out` buffer with the lowercase string representation of the pubkey passed in as binary
format by `in`. (eg: uint8_t*:0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB ->
char*:"0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB\0" )
`sha3` context doesn't have have to be initialized prior to call.*/
void getEthDisplayableAddress(uint8_t *in,
bool getEthDisplayableAddress(uint8_t *in,
char *out,
size_t out_len,
cx_sha3_t *sha3,
uint64_t chainId) {
if (out_len < 43) {
strlcpy(out, "ERROR", out_len);
return;
return false;
}
out[0] = '0';
out[1] = 'x';
getEthAddressStringFromBinary(in, out + 2, sha3, chainId);
if (!getEthAddressStringFromBinary(in, out + 2, sha3, chainId)) {
strlcpy(out, "ERROR", out_len);
return false;
}
return true;
}
bool adjustDecimals(const char *src,

10
src_common/ethUtils.h
View File

@@ -40,21 +40,21 @@ bool rlpDecodeLength(uint8_t *buffer, uint32_t *fieldLength, uint32_t *offset, b
bool rlpCanDecode(uint8_t *buffer, uint32_t bufferLength, bool *valid);
void getEthAddressFromKey(cx_ecfp_public_key_t *publicKey, uint8_t *out, cx_sha3_t *sha3Context);
bool getEthAddressFromKey(cx_ecfp_public_key_t *publicKey, uint8_t *out, cx_sha3_t *sha3Context);
void getEthAddressStringFromKey(cx_ecfp_public_key_t *publicKey,
bool getEthAddressStringFromKey(cx_ecfp_public_key_t *publicKey,
char *out,
cx_sha3_t *sha3Context,
uint64_t chainId);
void u64_to_string(uint64_t src, char *dst, uint8_t dst_size);
bool u64_to_string(uint64_t src, char *dst, uint8_t dst_size);
void getEthAddressStringFromBinary(uint8_t *address,
bool getEthAddressStringFromBinary(uint8_t *address,
char *out,
cx_sha3_t *sha3Context,
uint64_t chainId);
void getEthDisplayableAddress(uint8_t *in,
bool getEthDisplayableAddress(uint8_t *in,
char *out,
size_t out_len,
cx_sha3_t *sha3,