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fix(ocv2): parameters validation issue
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,249 @@ | ||
| /******************************************************************************* | ||
| * | ||
| * ██╗ ██╗██╗██╗ ███╗ ██╗ | ||
| * ██║ ██╔╝██║██║ ████╗ ██║ | ||
| * █████╔╝ ██║██║ ██╔██╗ ██║ | ||
| * ██╔═██╗ ██║██║ ██║╚██╗██║ | ||
| * ██║ ██╗██║███████╗██║ ╚████║ | ||
| * ╚═╝ ╚═╝╚═╝╚══════╝╚═╝ ╚═══╝ | ||
| * | ||
| * Kiln Ethereum Ledger App | ||
| * (c) 2022-2024 Kiln | ||
| * | ||
| * [email protected] | ||
| ********************************************************************************/ | ||
|
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| #include "provide_parameter.h" | ||
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| void handle_v2_request_exit(ethPluginProvideParameter_t *msg, context_t *context) { | ||
| // ************************************************************************** | ||
| // FUNCTION TO PARSE | ||
| // ************************************************************************** | ||
| // | ||
| // function requestExit( | ||
| // uint256 amount | ||
| // ) external | ||
| // | ||
| // ************************************************************************** | ||
| // example | ||
| // [ 0] selector | ||
| // [ 4] amount | ||
|
|
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| v2_request_exit_t *params = &context->param_data.v2_request_exit; | ||
|
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| switch (context->next_param) { | ||
| case V2_REQUEST_EXIT_AMOUNT: | ||
| copy_parameter(params->amount, msg->parameter, sizeof(params->amount)); | ||
| context->next_param = V2_REQUEST_EXIT_UNEXPECTED_PARAMETER; | ||
| break; | ||
| default: | ||
| PRINTF("Param not supported: %d\n", context->next_param); | ||
| msg->result = ETH_PLUGIN_RESULT_ERROR; | ||
| return; | ||
| } | ||
| msg->result = ETH_PLUGIN_RESULT_OK; | ||
| } | ||
|
|
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| void handle_v2_claim(ethPluginProvideParameter_t *msg, context_t *context) { | ||
| // ************************************************************************** | ||
| // FUNCTION TO PARSE | ||
| // ************************************************************************** | ||
| // | ||
| // function claim( | ||
| // uint256[] ticketIds, | ||
| // uint32[] caskIds, | ||
| // uint16 maxClaimDepth | ||
| // ) | ||
| // | ||
| // ************************************************************************** | ||
| // example for 2 tickets and 3 cask ids | ||
| // [ 0] selector | ||
| // [ 4] ticketIds_offset | ||
| // [ 36] caskIds_offset | ||
| // [ 68] maxClaimDepth | ||
| // [100] ticketIds_length | ||
| // [132] ticketIds_0 | ||
| // [164] ticketIds_1 | ||
| // [196] caskIds_length | ||
| // [228] caskIds_0 | ||
| // [260] caskIds_1 | ||
| // [292] caskIds_2 | ||
|
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| v2_claim_t *params = &context->param_data.v2_claim; | ||
|
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| switch (context->next_param) { | ||
| case V2_CLAIM_TICKET_IDS_OFFSET: | ||
| context->next_param = V2_CLAIM_CASK_IDS_OFFSET; | ||
| break; | ||
| case V2_CLAIM_CASK_IDS_OFFSET: | ||
| context->next_param = V2_CLAIM_MAX_CLAIM_DEPTH; | ||
| break; | ||
| case V2_CLAIM_MAX_CLAIM_DEPTH: | ||
| context->next_param = V2_CLAIM_TICKET_IDS_LENGTH; | ||
| break; | ||
| case V2_CLAIM_TICKET_IDS_LENGTH: | ||
| U2BE_from_parameter(msg->parameter, ¶ms->current_item_count); | ||
| context->next_param = V2_CLAIM_TICKET_IDS__ITEMS; | ||
| break; | ||
| case V2_CLAIM_TICKET_IDS__ITEMS: | ||
| params->current_item_count -= 1; | ||
| if (params->current_item_count == 0) { | ||
| context->next_param = V2_CLAIM_CASK_IDS_LENGTH; | ||
| } | ||
| break; | ||
| case V2_CLAIM_CASK_IDS_LENGTH: | ||
| U2BE_from_parameter(msg->parameter, ¶ms->current_item_count); | ||
| context->next_param = V2_CLAIM_CASK_IDS__ITEMS; | ||
| break; | ||
| case V2_CLAIM_CASK_IDS__ITEMS: | ||
| params->current_item_count -= 1; | ||
| if (params->current_item_count == 0) { | ||
| context->next_param = V2_CLAIM_UNEXPECTED_PARAMETER; | ||
| } | ||
| break; | ||
| default: | ||
| PRINTF("Param not supported: %d\n", context->next_param); | ||
| msg->result = ETH_PLUGIN_RESULT_ERROR; | ||
| return; | ||
| } | ||
| } | ||
|
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| void handle_v2_multiclaim(ethPluginProvideParameter_t *msg, context_t *context) { | ||
| // ************************************************************************** | ||
| // FUNCTION TO PARSE | ||
| // ************************************************************************** | ||
| // | ||
| // function multiClaim( | ||
| // address[] exitQueues, | ||
| // uint256[][] ticketIds, | ||
| // uint32[][] casksIds | ||
| // ) | ||
| // | ||
| // ************************************************************************** | ||
| // example for 2 exit queues, 4 tickets and 4 cask ids | ||
| // [ 0] selector | ||
| // [ 4] exitQueues_offset | ||
| // [ 36] ticketIds_offset | ||
| // [ 68] caskIds_offset | ||
| // [100] exitQueues_length | ||
| // [132] exitQueues_0 | ||
| // [164] exitQueues_1 | ||
| // [196] ticketIds_length | ||
| // [228] ticketIds_0_offset | ||
| // [260] ticketIds_1_offset | ||
| // [292] ticketIds_0_length | ||
| // [324] ticketIds_0_0 | ||
| // [356] ticketIds_0_1 | ||
| // [388] ticketIds_1_length | ||
| // [420] ticketIds_1_0 | ||
| // [452] ticketIds_1_1 | ||
| // [484] caskIds_length | ||
| // [516] caskIds_0_offset | ||
| // [548] caskIds_1_offset | ||
| // [580] caskIds_0_length | ||
| // [612] caskIds_0_0 | ||
| // [644] caskIds_0_1 | ||
| // [676] caskIds_1_length | ||
| // [708] caskIds_1_0 | ||
| // [740] caskIds_1_1 | ||
|
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| v2_multiclaim_t *params = &context->param_data.v2_multiclaim; | ||
|
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| switch (context->next_param) { | ||
| case V2_MULTICLAIM_EXIT_QUEUES_OFFSET: | ||
| context->next_param = V2_MULTICLAIM_TICKET_IDS_OFFSET; | ||
| break; | ||
| case V2_MULTICLAIM_TICKET_IDS_OFFSET: | ||
| context->next_param = V2_MULTICLAIM_CASK_IDS_OFFSET; | ||
| break; | ||
| case V2_MULTICLAIM_CASK_IDS_OFFSET: | ||
| context->next_param = V2_MULTICLAIM_EXIT_QUEUES_LENGTH; | ||
| break; | ||
| case V2_MULTICLAIM_EXIT_QUEUES_LENGTH: | ||
| U2BE_from_parameter(msg->parameter, ¶ms->current_item_count); | ||
| context->next_param = V2_MULTICLAIM_EXIT_QUEUES__ITEMS; | ||
| break; | ||
| case V2_MULTICLAIM_EXIT_QUEUES__ITEMS: { | ||
| uint8_t buffer[ADDRESS_LENGTH]; | ||
| copy_address(buffer, msg->parameter, sizeof(buffer)); | ||
| char address_buffer[ADDRESS_STR_LEN]; | ||
| getEthDisplayableAddress(buffer, address_buffer, sizeof(address_buffer), 0); | ||
| // we add a check to make sure we know the exit queue addresses | ||
| // that will be called in the multiclaim tx | ||
| bool is_valid = false; | ||
| for (int i = 0; i < OCV2_MAX_EXIT_QUEUES; i += 1) { | ||
| if (memcmp(ocv2_exit_queues[i], address_buffer, ADDRESS_STR_LEN) == 0) { | ||
| is_valid = true; | ||
| break; | ||
| } | ||
| } | ||
| if (!is_valid) { | ||
| PRINTF("Unexpected exit queue address: %s\n", address_buffer); | ||
| msg->result = ETH_PLUGIN_RESULT_ERROR; | ||
| return; | ||
| } | ||
|
|
||
| params->current_item_count -= 1; | ||
| if (params->current_item_count == 0) { | ||
| context->next_param = V2_MULTICLAIM_TICKETIDS_LENGTH; | ||
| } | ||
| break; | ||
| } | ||
| case V2_MULTICLAIM_TICKETIDS_LENGTH: | ||
| U2BE_from_parameter(msg->parameter, ¶ms->parent_item_count); | ||
| params->current_item_count = params->parent_item_count; | ||
| context->next_param = V2_MULTICLAIM_TICKETIDS__OFFSET_ITEMS; | ||
| break; | ||
| case V2_MULTICLAIM_TICKETIDS__OFFSET_ITEMS: | ||
| params->current_item_count -= 1; | ||
| if (params->current_item_count == 0) { | ||
| context->next_param = V2_MULTICLAIM_TICKETIDS__ITEM_LENGTH; | ||
| } | ||
| break; | ||
| case V2_MULTICLAIM_TICKETIDS__ITEM_LENGTH: | ||
| U2BE_from_parameter(msg->parameter, ¶ms->current_item_count); | ||
| context->next_param = V2_MULTICLAIM_TICKETIDS__ITEM__ITEMS; | ||
| break; | ||
| case V2_MULTICLAIM_TICKETIDS__ITEM__ITEMS: | ||
| params->current_item_count -= 1; | ||
| if (params->current_item_count == 0) { | ||
| params->parent_item_count -= 1; | ||
| if (params->parent_item_count == 0) { | ||
| context->next_param = V2_MULTICLAIM_CASKIDS_LENGTH; | ||
| } else { | ||
| context->next_param = V2_MULTICLAIM_TICKETIDS__ITEM_LENGTH; | ||
| } | ||
| } | ||
| break; | ||
| case V2_MULTICLAIM_CASKIDS_LENGTH: | ||
| U2BE_from_parameter(msg->parameter, ¶ms->parent_item_count); | ||
| params->current_item_count = params->parent_item_count; | ||
| context->next_param = V2_MULTICLAIM_CASKIDS__OFFSET_ITEMS; | ||
| break; | ||
| case V2_MULTICLAIM_CASKIDS__OFFSET_ITEMS: | ||
| params->current_item_count -= 1; | ||
| if (params->current_item_count == 0) { | ||
| context->next_param = V2_MULTICLAIM_CASKIDS__ITEM_LENGTH; | ||
| } | ||
| break; | ||
| case V2_MULTICLAIM_CASKIDS__ITEM_LENGTH: | ||
| U2BE_from_parameter(msg->parameter, ¶ms->current_item_count); | ||
| context->next_param = V2_MULTICLAIM_CASKIDS__ITEM__ITEMS; | ||
| break; | ||
| case V2_MULTICLAIM_CASKIDS__ITEM__ITEMS: | ||
| params->current_item_count -= 1; | ||
| if (params->current_item_count == 0) { | ||
| if (params->parent_item_count == 0) { | ||
| context->next_param = V2_MULTICLAIM_UNEXPECTED_PARAMETER; | ||
| } else { | ||
| context->next_param = V2_MULTICLAIM_CASKIDS__ITEM_LENGTH; | ||
| } | ||
| } | ||
| break; | ||
| default: | ||
| PRINTF("Param not supported: %d\n", context->next_param); | ||
| msg->result = ETH_PLUGIN_RESULT_ERROR; | ||
| return; | ||
| } | ||
| msg->result = ETH_PLUGIN_RESULT_OK; | ||
| } |
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