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Merge pull request LedgerHQ#90 from blockydevs/develop
Compute budget and split stake instruction support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| #include "compute_budget_instruction.h" | ||
| #include "sol/transaction_summary.h" | ||
|
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| const Pubkey compute_budget_program_id = {{PROGRAM_ID_COMPUTE_BUDGET}}; | ||
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| static int parse_compute_budget_instruction_kind(Parser* parser, | ||
| enum ComputeBudgetInstructionKind* kind) { | ||
| uint8_t maybe_kind; | ||
| BAIL_IF(parse_u8(parser, &maybe_kind)); | ||
| switch (maybe_kind) { | ||
| case ComputeBudgetRequestHeapFrame: | ||
| case ComputeBudgetChangeUnitLimit: | ||
| case ComputeBudgetChangeUnitPrice: | ||
| case ComputeBudgetSetLoadedAccountsDataSizeLimit: | ||
| *kind = (enum ComputeBudgetInstructionKind) maybe_kind; | ||
| return 0; | ||
| default: | ||
| return 1; | ||
| } | ||
| } | ||
|
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| static int parse_request_heap_frame_instruction(Parser* parser, | ||
| ComputeBudgetRequestHeapFrameInfo* info) { | ||
| BAIL_IF(parse_u32(parser, &info->bytes)); | ||
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| return 0; | ||
| } | ||
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| static int parse_unit_limit_instruction(Parser* parse, ComputeBudgetChangeUnitLimitInfo* info) { | ||
| BAIL_IF(parse_u32(parse, &info->units)); | ||
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| return 0; | ||
| } | ||
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| static int parse_unit_price_instruction(Parser* parse, ComputeBudgetChangeUnitPriceInfo* info) { | ||
| BAIL_IF(parse_u64(parse, &info->units)); | ||
|
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| return 0; | ||
| } | ||
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| static int parse_loaded_accounts_data_size_limit( | ||
| Parser* parse, | ||
| ComputeBudgetSetLoadedAccountsDataSizeLimitInfo* info) { | ||
| BAIL_IF(parse_u32(parse, &info->units)); | ||
|
|
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| return 0; | ||
| } | ||
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| static uint32_t calculate_max_fee(const ComputeBudgetFeeInfo* info) { | ||
| uint32_t max_fee = FEE_LAMPORTS_PER_SIGNATURE * info->signatures_count; | ||
|
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| if (info->change_unit_price != NULL) { | ||
| uint32_t max_compute = 0; | ||
| if (info->change_unit_limit != NULL) { | ||
| max_compute = info->change_unit_limit->units; | ||
| } else { | ||
| max_compute = | ||
| MIN(info->instructions_count * MAX_CU_PER_INSTRUCTION, MAX_CU_PER_TRANSACTION); | ||
| } | ||
| return max_fee + (info->change_unit_price->units * max_compute); | ||
| } | ||
| return max_fee; | ||
| } | ||
|
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| static int print_compute_budget_max_fee(uint32_t max_fee, const PrintConfig* print_config) { | ||
| UNUSED(print_config); | ||
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| SummaryItem* item; | ||
|
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| item = transaction_summary_general_item(); | ||
| summary_item_set_amount(item, "Max fees", max_fee); | ||
|
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| return 0; | ||
| } | ||
|
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| /** | ||
| * Display transaction max fees | ||
| * RequestHeapFrame and SetLoadedAccountsDataSizeLimit instruction kinds | ||
| * are omitted on purpose as they currently do not display any data on the screen | ||
| */ | ||
| void print_compute_budget(ComputeBudgetFeeInfo* info, const PrintConfig* print_config) { | ||
| uint32_t transaction_max_fee = calculate_max_fee(info); | ||
| print_compute_budget_max_fee(transaction_max_fee, print_config); | ||
| } | ||
|
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| int parse_compute_budget_instructions(const Instruction* instruction, | ||
| const MessageHeader* header, | ||
| ComputeBudgetInfo* info) { | ||
| Parser parser = {instruction->data, instruction->data_length}; | ||
|
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| BAIL_IF(parse_compute_budget_instruction_kind(&parser, &info->kind)); | ||
|
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| info->signatures_count = header->pubkeys_header.num_required_signatures; | ||
|
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| switch (info->kind) { | ||
| case ComputeBudgetRequestHeapFrame: | ||
| return parse_request_heap_frame_instruction(&parser, &info->request_heap_frame); | ||
| case ComputeBudgetChangeUnitLimit: | ||
| return parse_unit_limit_instruction(&parser, &info->change_unit_limit); | ||
| case ComputeBudgetChangeUnitPrice: | ||
| return parse_unit_price_instruction(&parser, &info->change_unit_price); | ||
| case ComputeBudgetSetLoadedAccountsDataSizeLimit: | ||
| return parse_loaded_accounts_data_size_limit( | ||
| &parser, | ||
| &info->set_loaded_accounts_data_size_limit); | ||
| default: | ||
| return 1; | ||
| } | ||
| } |
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