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Cleaup useless flags

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This commit is contained in:
Charles-Edouard de la Vergne
2024-06-11 10:47:53 +02:00
parent 4eb5ed3a19
commit f4a29413a1
3 changed files with 7 additions and 208 deletions
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126
src_features/provideErc20TokenInformation/cmd_provideTokenInfo.c
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@@ -3,102 +3,9 @@
#include "public_keys.h"
#include "common_ui.h"
#include "os_io_seproxyhal.h"
#include "extra_tokens.h"
#include "network.h"
#include "manage_asset_info.h"
#ifdef HAVE_CONTRACT_NAME_IN_DESCRIPTOR
void handleProvideErc20TokenInformation(uint8_t p1,
uint8_t p2,
const uint8_t *workBuffer,
uint8_t dataLength,
unsigned int *flags,
unsigned int *tx) {
UNUSED(p1);
UNUSED(p2);
UNUSED(flags);
uint32_t offset = 0;
uint8_t tickerLength, contractNameLength;
uint32_t chainId;
uint8_t hash[INT256_LENGTH];
cx_sha256_t sha256;
cx_ecfp_public_key_t tokenKey;
cx_sha256_init(&sha256);
tokenDefinition_t *token = &get_current_asset_info()->token;
if (dataLength < 1) {
THROW(0x6A80);
}
tickerLength = workBuffer[offset++];
dataLength--;
if ((tickerLength + 2) >= sizeof(token->ticker)) { // +2 because ' \0' is appended to ticker
THROW(0x6A80);
}
if (dataLength < tickerLength + 1) {
THROW(0x6A80);
}
cx_hash((cx_hash_t *) &sha256, 0, workBuffer + offset, tickerLength, NULL, 0);
memmove(token->ticker, workBuffer + offset, tickerLength);
token->ticker[tickerLength] = '\0';
offset += tickerLength;
dataLength -= tickerLength;
contractNameLength = workBuffer[offset++];
dataLength--;
if (dataLength < contractNameLength + 20 + 4 + 4) {
THROW(0x6A80);
}
cx_hash((cx_hash_t *) &sha256,
CX_LAST,
workBuffer + offset,
contractNameLength + 20 + 4 + 4,
hash,
32);
memmove(token->contractName,
workBuffer + offset,
MIN(contractNameLength, sizeof(token->contractName) - 1));
token->contractName[MIN(contractNameLength, sizeof(token->contractName) - 1)] = '\0';
offset += contractNameLength;
dataLength -= contractNameLength;
memmove(token->address, workBuffer + offset, 20);
offset += 20;
dataLength -= 20;
token->decimals = U4BE(workBuffer, offset);
offset += 4;
dataLength -= 4;
chainId = U4BE(workBuffer, offset);
if ((chainConfig->chainId != 0) && (chainConfig->chainId != chainId)) {
PRINTF("ChainId token mismatch\n");
THROW(0x6A80);
}
offset += 4;
dataLength -= 4;
cx_ecfp_init_public_key(CX_CURVE_256K1,
LEDGER_SIGNATURE_PUBLIC_KEY,
sizeof(LEDGER_SIGNATURE_PUBLIC_KEY),
&tokenKey);
if (!cx_ecdsa_verify(&tokenKey,
CX_LAST,
CX_SHA256,
hash,
32,
workBuffer + offset,
dataLength)) {
#ifndef HAVE_BYPASS_SIGNATURES
PRINTF("Invalid token signature\n");
THROW(0x6A80);
#endif
}
validate_current_asset_info();
THROW(0x9000);
}
#else
void handleProvideErc20TokenInformation(uint8_t p1,
uint8_t p2,
const uint8_t *workBuffer,
@@ -151,32 +58,15 @@ void handleProvideErc20TokenInformation(uint8_t p1,
offset += 4;
dataLength -= 4;
#ifdef HAVE_TOKENS_EXTRA_LIST
tokenDefinition_t *currentToken = NULL;
uint32_t index;
for (index = 0; index < NUM_TOKENS_EXTRA; index++) {
currentToken = (tokenDefinition_t *) PIC(&TOKENS_EXTRA[index]);
if (memcmp(currentToken->address, token->address, 20) == 0) {
strcpy((char *) token->ticker, (char *) currentToken->ticker);
token->decimals = currentToken->decimals;
break;
}
}
if (index < NUM_TOKENS_EXTRA) {
PRINTF("Descriptor whitelisted\n");
} else
#endif
{
CX_ASSERT(cx_ecfp_init_public_key_no_throw(CX_CURVE_256K1,
LEDGER_SIGNATURE_PUBLIC_KEY,
sizeof(LEDGER_SIGNATURE_PUBLIC_KEY),
&tokenKey));
if (!cx_ecdsa_verify_no_throw(&tokenKey, hash, 32, workBuffer + offset, dataLength)) {
CX_ASSERT(cx_ecfp_init_public_key_no_throw(CX_CURVE_256K1,
LEDGER_SIGNATURE_PUBLIC_KEY,
sizeof(LEDGER_SIGNATURE_PUBLIC_KEY),
&tokenKey));
if (!cx_ecdsa_verify_no_throw(&tokenKey, hash, 32, workBuffer + offset, dataLength)) {
#ifndef HAVE_BYPASS_SIGNATURES
PRINTF("Invalid token signature\n");
THROW(0x6A80);
PRINTF("Invalid token signature\n");
THROW(0x6A80);
#endif
}
}
G_io_apdu_buffer[0] = tmpCtx.transactionContext.currentAssetIndex;
@@ -184,5 +74,3 @@ void handleProvideErc20TokenInformation(uint8_t p1,
U2BE_ENCODE(G_io_apdu_buffer, 1, APDU_RESPONSE_OK);
io_exchange(CHANNEL_APDU | IO_RETURN_AFTER_TX, 3);
}
#endif