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added some abstraction for the used protocol
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| // methods that abstract from the used protocol | ||
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| #include <stdbool.h> | ||
| #include <stdint.h> | ||
| #include <string.h> | ||
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| #include "os.h" | ||
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| #include "essence.h" | ||
| #include "abstraction.h" | ||
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| #include "api.h" | ||
| #include "iota_io.h" | ||
| #include "iota/address.h" | ||
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| // gcc doesn't know this and ledger's SDK cannot be compiled with Werror! | ||
| //#pragma GCC diagnostic error "-Werror" | ||
| #pragma GCC diagnostic error "-Wpedantic" | ||
| #pragma GCC diagnostic error "-Wall" | ||
| #pragma GCC diagnostic error "-Wextra" | ||
| #pragma GCC diagnostic error "-Wmissing-prototypes" | ||
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| extern API_CTX api; | ||
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| uint8_t *get_output_address(const API_CTX *api, uint8_t index) | ||
| { | ||
| MUST(index < api->essence.outputs_count); | ||
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| uint8_t *ret = 0; | ||
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| switch (api->protocol) { | ||
| case PROTOCOL_STARDUST: { | ||
| BASIC_OUTPUT *tmp = (BASIC_OUTPUT *)api->essence.outputs; | ||
| ret = &tmp[index].address_type; | ||
| } | ||
| case PROTOCOL_CHRYSALIS: { | ||
| SIG_LOCKED_SINGLE_OUTPUT *tmp = | ||
| (SIG_LOCKED_SINGLE_OUTPUT *)api->essence.outputs; | ||
| ret = &tmp[index].address_type; | ||
| } | ||
| default: | ||
| THROW(SW_UNKNOWN); | ||
| break; | ||
| } | ||
| return ret; | ||
| } | ||
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| uint64_t get_output_amount(const API_CTX *api, uint8_t index) | ||
| { | ||
| MUST(index < api->essence.outputs_count); | ||
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| uint64_t amount = 0; | ||
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| switch (api->protocol) { | ||
| case PROTOCOL_STARDUST: { | ||
| BASIC_OUTPUT *tmp = (BASIC_OUTPUT *)api->essence.outputs; | ||
| memcpy(&amount, &tmp[index].amount, sizeof(uint64_t)); | ||
| break; | ||
| } | ||
| case PROTOCOL_CHRYSALIS: { | ||
| SIG_LOCKED_SINGLE_OUTPUT *tmp = | ||
| (SIG_LOCKED_SINGLE_OUTPUT *)api->essence.outputs; | ||
| memcpy(&amount, &tmp[index].amount, sizeof(uint64_t)); | ||
| break; | ||
| } | ||
| default: | ||
| THROW(SW_UNKNOWN); | ||
| break; | ||
| } | ||
| return amount; | ||
| } | ||
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| uint8_t address_encode_bech32(const uint8_t *addr_with_type, char *bech32, | ||
| uint32_t bech32_max_length) | ||
| { | ||
| switch (api.coin) { | ||
| case COIN_IOTA: { | ||
| MUST(address_encode_bech32_hrp(addr_with_type, bech32, bech32_max_length, COIN_HRP_IOTA, strlen(COIN_HRP_IOTA))); | ||
| break; | ||
| } | ||
| case COIN_SHIMMER: { | ||
| MUST(address_encode_bech32_hrp(addr_with_type, bech32, bech32_max_length, COIN_HRP_SHIMMER, strlen(COIN_HRP_SHIMMER))); | ||
| break; | ||
| } | ||
| default: | ||
| THROW(SW_UNKNOWN); | ||
| break; | ||
| } | ||
| return 1; | ||
| } | ||
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| uint8_t essence_parse_and_validate(API_CTX *api) | ||
| { | ||
| switch (api->protocol) { | ||
| case PROTOCOL_STARDUST: { | ||
| MUST(essence_parse_and_validate_stardust(api)); | ||
| break; | ||
| } | ||
| case PROTOCOL_CHRYSALIS: { | ||
| MUST(essence_parse_and_validate_chryslis(api)); | ||
| break; | ||
| } | ||
| default: | ||
| THROW(SW_UNKNOWN); | ||
| break; | ||
| } | ||
| return 1; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| #pragma once | ||
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| #include <stdbool.h> | ||
| #include <stdint.h> | ||
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| #include "api.h" | ||
| #include "constants.h" | ||
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| #define IO_STRUCT struct __attribute__((packed, may_alias)) | ||
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| #define MUST(c) \ | ||
| { \ | ||
| if (!(c)) { \ | ||
| return 0; \ | ||
| } \ | ||
| } | ||
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| typedef IO_STRUCT | ||
| { | ||
| // amount first for better data alignment | ||
| // we can keep the struct packed but amount and address_type are | ||
| // aligned on 32bits | ||
| uint64_t amount; | ||
| uint8_t address_type; | ||
| uint8_t address[ADDRESS_SIZE_BYTES]; | ||
| } | ||
| ABS_OUTPUT; | ||
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| uint8_t *get_output_address(const API_CTX *api, uint8_t index); | ||
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| uint64_t get_output_amount(const API_CTX *api, uint8_t index); | ||
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| uint8_t address_encode_bech32(const uint8_t *addr_with_type, char *bech32, | ||
| uint32_t bech32_max_length); | ||
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| uint8_t essence_parse_and_validate(API_CTX *api); |
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