chore (app): Remove unreliable details from txn meta

apps/evm_family/arbitrum/arbitrum_app.c

@@ -92,6 +92,20 @@ extern const erc20_contracts_t arbitrum_contracts[];
  * STATIC FUNCTION PROTOTYPES
  *****************************************************************************/
 
+/**
+ * @brief Checks if the provided token address is whitelisted and return the
+ * matching contract instance.
+ *
+ * @param address Reference to the buffer containing the token address
+ * @param contract Pointer to store the matched contract address instance
+ *
+ * @return bool Indicating if the provided token address is whitelisted
+ * @return true If the address matches to an entry in the whitelist
+ * @return false If the address does not match to an entry in the whitelist
+ */
+static bool is_token_whitelisted(const uint8_t *address,
+                                 const erc20_contracts_t **contract);
+
 /*****************************************************************************
  * STATIC VARIABLES
  *****************************************************************************/
@@ -102,8 +116,7 @@ static const evm_config_t arbitrum_app_config = {
     .chain_id = 42161,
 
     // whitelisted contracts
-    .whitelisted_contracts = NULL,
-    .whitelist_count = ARBITRUM_WHITELISTED_CONTRACTS_COUNT,
+    .is_token_whitelisted = is_token_whitelisted,
 };
 
 static const cy_app_desc_t arbitrum_app_desc = {
@@ -124,6 +137,14 @@ static const cy_app_desc_t arbitrum_app_desc = {
  * STATIC FUNCTIONS
  *****************************************************************************/
 
+static bool is_token_whitelisted(const uint8_t *address,
+                                 const erc20_contracts_t **contract) {
+  if (NULL != contract) {
+    *contract = NULL;
+  }
+  return false;
+}
+
 /*****************************************************************************
  * GLOBAL FUNCTIONS
  *****************************************************************************/

apps/evm_family/avalanche/avalanche_app.c

@@ -92,6 +92,20 @@ extern const erc20_contracts_t avalanche_contracts[];
  * STATIC FUNCTION PROTOTYPES
  *****************************************************************************/
 
+/**
+ * @brief Checks if the provided token address is whitelisted and return the
+ * matching contract instance.
+ *
+ * @param address Reference to the buffer containing the token address
+ * @param contract Pointer to store the matched contract address instance
+ *
+ * @return bool Indicating if the provided token address is whitelisted
+ * @return true If the address matches to an entry in the whitelist
+ * @return false If the address does not match to an entry in the whitelist
+ */
+static bool is_token_whitelisted(const uint8_t *address,
+                                 const erc20_contracts_t **contract);
+
 /*****************************************************************************
  * STATIC VARIABLES
  *****************************************************************************/
@@ -102,8 +116,7 @@ static const evm_config_t avalanche_app_config = {
     .chain_id = 43114,
 
     // whitelisted contracts
-    .whitelisted_contracts = NULL,
-    .whitelist_count = AVALANCHE_WHITELISTED_CONTRACTS_COUNT,
+    .is_token_whitelisted = is_token_whitelisted,
 };
 
 static const cy_app_desc_t avalanche_app_desc = {
@@ -125,6 +138,14 @@ static const cy_app_desc_t avalanche_app_desc = {
  * STATIC FUNCTIONS
  *****************************************************************************/
 
+static bool is_token_whitelisted(const uint8_t *address,
+                                 const erc20_contracts_t **contract) {
+  if (NULL != contract) {
+    *contract = NULL;
+  }
+  return false;
+}
+
 /*****************************************************************************
  * GLOBAL FUNCTIONS
  *****************************************************************************/

apps/evm_family/bsc/bsc_app.c

@@ -92,6 +92,20 @@ extern const erc20_contracts_t bsc_contracts[];
  * STATIC FUNCTION PROTOTYPES
  *****************************************************************************/
 
+/**
+ * @brief Checks if the provided token address is whitelisted and return the
+ * matching contract instance.
+ *
+ * @param address Reference to the buffer containing the token address
+ * @param contract Pointer to store the matched contract address instance
+ *
+ * @return bool Indicating if the provided token address is whitelisted
+ * @return true If the address matches to an entry in the whitelist
+ * @return false If the address does not match to an entry in the whitelist
+ */
+static bool is_token_whitelisted(const uint8_t *address,
+                                 const erc20_contracts_t **contract);
+
 /*****************************************************************************
  * STATIC VARIABLES
  *****************************************************************************/
@@ -102,8 +116,7 @@ static const evm_config_t bsc_app_config = {
     .chain_id = 56,
 
     // whitelisted contracts
-    .whitelisted_contracts = NULL,
-    .whitelist_count = BSC_WHITELISTED_CONTRACTS_COUNT,
+    .is_token_whitelisted = is_token_whitelisted,
 };
 
 static const cy_app_desc_t bsc_app_desc = {.id = 11,
@@ -124,6 +137,14 @@ static const cy_app_desc_t bsc_app_desc = {.id = 11,
  * STATIC FUNCTIONS
  *****************************************************************************/
 
+static bool is_token_whitelisted(const uint8_t *address,
+                                 const erc20_contracts_t **contract) {
+  if (NULL != contract) {
+    *contract = NULL;
+  }
+  return false;
+}
+
 /*****************************************************************************
  * GLOBAL FUNCTIONS
  *****************************************************************************/

apps/evm_family/eth/eth_app.c

@@ -90,6 +90,20 @@ extern const erc20_contracts_t eth_contracts[];
  * STATIC FUNCTION PROTOTYPES
  *****************************************************************************/
 
+/**
+ * @brief Checks if the provided token address is whitelisted and return the
+ * matching contract instance.
+ *
+ * @param address Reference to the buffer containing the token address
+ * @param contract Pointer to store the matched contract address instance
+ *
+ * @return bool Indicating if the provided token address is whitelisted
+ * @return true If the address matches to an entry in the whitelist
+ * @return false If the address does not match to an entry in the whitelist
+ */
+static bool is_token_whitelisted(const uint8_t *address,
+                                 const erc20_contracts_t **contract);
+
 /*****************************************************************************
  * STATIC VARIABLES
  *****************************************************************************/
@@ -99,9 +113,7 @@ static const evm_config_t eth_app_config = {
     .name = "Ethereum",
     .chain_id = 1,
 
-    // whitelisted contracts
-    .whitelisted_contracts = eth_contracts,
-    .whitelist_count = ETH_WHITELISTED_CONTRACTS_COUNT,
+    .is_token_whitelisted = is_token_whitelisted,
 };
 
 static const cy_app_desc_t eth_app_desc = {.id = 7,
@@ -122,6 +134,24 @@ static const cy_app_desc_t eth_app_desc = {.id = 7,
  * STATIC FUNCTIONS
  *****************************************************************************/
 
+static bool is_token_whitelisted(const uint8_t *address,
+                                 const erc20_contracts_t **contract) {
+  const erc20_contracts_t *match = NULL;
+  bool status = false;
+  for (int16_t i = 0; i < ETH_WHITELISTED_CONTRACTS_COUNT; i++) {
+    if (memcmp(address, eth_contracts[i].address, EVM_ADDRESS_LENGTH) == 0) {
+      match = &eth_contracts[i];
+      status = true;
+      break;
+    }
+  }
+
+  if (NULL != contract) {
+    *contract = match;
+  }
+  return status;
+}
+
 /*****************************************************************************
  * GLOBAL FUNCTIONS
  *****************************************************************************/

apps/evm_family/evm_context.h

@@ -44,8 +44,8 @@ typedef struct {
    * https://github.com/ethereum/EIPs/blob/830708a049fc982fd595cb0c4dca703aebefd003/EIPS/eip-2294.md
    */
   const uint64_t chain_id;
-  const erc20_contracts_t *whitelisted_contracts;
-  const uint16_t whitelist_count;
+  bool (*is_token_whitelisted)(const uint8_t *address,
+                               const erc20_contracts_t **contract);
 } evm_config_t;
 
 /*****************************************************************************