451 lines
14 KiB
C
451 lines
14 KiB
C
#include <string.h>
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#include "eth_plugin_interface.h"
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#include "shared_context.h" // TODO : rewrite as independant code
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#include "eth_plugin_internal.h" // TODO : rewrite as independant code
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typedef enum {
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STARKWARE_REGISTER = 0,
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STARKWARE_DEPOSIT_TOKEN,
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STARKWARE_DEPOSIT_ETH,
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STARKWARE_DEPOSIT_CANCEL,
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STARKWARE_DEPOSIT_RECLAIM,
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STARKWARE_WITHDRAW,
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STARKWARE_FULL_WITHDRAW,
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STARKWARE_FREEZE,
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STARKWARE_ESCAPE,
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STARKWARE_VERIFY_ESCAPE
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} starkwareSelector_t;
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// register : starkkey (32), drop param 2
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// Registration
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// Contract Name
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// From ETH address
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// Master account
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// deposit token : verify tokenId (32), vaultId (4), quantized Amount (32)
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// Deposit
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// Contract Name
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// Token Account
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// Amount
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// deposit : verify tokenId (32), vaultId (4)
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// Flow similar to deposit
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// deposit cancel, deposit reclaim : tokenId (32) ignored, vaultId(4)
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// full withdrawal, freeze : vaultId (4)
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// Cancel Deposit | Reclaim Deposit | Full Withdrawal | Freeze
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// Contract Name
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// Token Account
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// withdrawal : verify tokenId (32)
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// Withdrawal
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// Contract Name
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// To Eth Address
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// Token Symbol
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// escape : starkkey (32), vaultId (4), verify tokenId (32), quantized Amount (32)
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// Escape
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// Contract Name
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// Amount
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// Master Account
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// Token Account
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// verify escape : escapeProof (ignore)
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// Verify Escape
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// Contract Name
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static const uint8_t STARKWARE_EXPECTED_DATA_SIZE[] = {
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4 + 32,
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4 + 32 + 32 + 32,
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4 + 32 + 32,
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4 + 32 + 32,
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4 + 32 + 32,
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4 + 32,
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4 + 32,
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4 + 32,
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4 + 32 + 32 + 32 + 32,
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0
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};
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static const uint8_t STARKWARE_NUM_SCREENS[] = {
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4 - 1,
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4 - 1,
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4 - 1,
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3 - 1,
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3 - 1,
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4 - 1,
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3 - 1,
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3 - 1,
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5 - 1,
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2 - 1
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};
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typedef struct starkware_parameters_t {
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uint8_t vaultId[4];
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uint8_t selectorIndex;
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uint8_t starkKey[32];
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uint8_t amount[32];
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uint8_t validToken;
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} starkware_parameters_t;
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// TODO : rewrite as independant code
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bool starkware_verify_token_id(uint8_t *tmp32, uint8_t *tokenId) {
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if (quantumSet) {
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tokenDefinition_t *currentToken = NULL;
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if (dataContext.tokenContext.quantumIndex != MAX_TOKEN) {
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currentToken = &tmpCtx.transactionContext.tokens[dataContext.tokenContext.quantumIndex];
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}
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compute_token_id(&global_sha3,
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(currentToken != NULL ? currentToken->address : NULL),
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dataContext.tokenContext.quantum, tmp32);
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if (memcmp(tokenId, tmp32, 32) != 0) {
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PRINTF("Token ID not matching - computed %.*H\n", 32, tmp32);
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PRINTF("Current quantum %.*H\n", 32, dataContext.tokenContext.quantum);
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PRINTF("Requested %.*H\n", 32, tokenId);
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return false;
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}
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}
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else {
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PRINTF("Quantum not set\n");
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return false;
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}
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return true;
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}
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void starkware_print_vault_id(uint32_t vaultId, char *destination) {
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snprintf(destination, 10, "%d", vaultId);
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}
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void starkware_print_stark_key(uint8_t *starkKey, char *destination) {
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snprintf(destination, 70, "0x%.*H", 32, starkKey);
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}
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// TODO : rewrite as independant code
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void starkware_print_eth_address(uint8_t *address, char *destination) {
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destination[0] = '0';
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destination[1] = 'x';
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getEthAddressStringFromBinary(address, destination + 2, &global_sha3, chainConfig);
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destination[42] = '\0';
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}
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// TODO : rewrite as independant code
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void starkware_print_amount(uint8_t *amountData, char *destination, bool forEscape) {
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uint256_t amount, amountPre, quantum;
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uint8_t decimals;
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char *ticker = (char*)PIC(chainConfig->coinName);
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if ((amountData == NULL) || (forEscape && (dataContext.tokenContext.quantumIndex == MAX_TOKEN))) {
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decimals = WEI_TO_ETHER;
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if (!forEscape) {
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convertUint256BE(tmpContent.txContent.value.value, tmpContent.txContent.value.length, &amountPre);
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}
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else {
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readu256BE(amountData, &amountPre);
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}
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}
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else {
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tokenDefinition_t *token = &tmpCtx.transactionContext.tokens[dataContext.tokenContext.quantumIndex];
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decimals = token->decimals;
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ticker = (char*)token->ticker;
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readu256BE(amountData, &amountPre);
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}
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readu256BE(dataContext.tokenContext.quantum, &quantum);
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mul256(&amountPre, &quantum, &amount);
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tostring256(&amount, 10, (char*)(G_io_apdu_buffer + 100), 100);
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strcpy(destination, ticker);
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adjustDecimals((char*)(G_io_apdu_buffer + 100), strlen((char*)(G_io_apdu_buffer + 100)), destination + strlen(ticker), 50 - strlen(ticker), decimals);
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}
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// TODO : rewrite as independant code
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void starkware_print_ticker(char *destination) {
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char *ticker = (char*)PIC(chainConfig->coinName);
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if (dataContext.tokenContext.quantumIndex != MAX_TOKEN) {
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tokenDefinition_t *token = &tmpCtx.transactionContext.tokens[dataContext.tokenContext.quantumIndex];
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ticker = (char*)token->ticker;
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}
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strcpy(destination, ticker);
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}
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// TODO : rewrite as independant code
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void starkware_get_source_address(char *destination) {
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uint8_t privateKeyData[32];
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cx_ecfp_private_key_t privateKey;
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cx_ecfp_public_key_t publicKey;
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os_perso_derive_node_bip32(CX_CURVE_256K1, tmpCtx.transactionContext.bip32Path,
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tmpCtx.transactionContext.pathLength,
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privateKeyData, NULL);
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cx_ecfp_init_private_key(CX_CURVE_256K1, privateKeyData, 32, &privateKey);
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io_seproxyhal_io_heartbeat();
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cx_ecfp_generate_pair(CX_CURVE_256K1, &publicKey, &privateKey, 1);
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os_memset(&privateKey, 0, sizeof(privateKey));
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os_memset(privateKeyData, 0, sizeof(privateKeyData));
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io_seproxyhal_io_heartbeat();
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destination[0] = '0';
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destination[1] = 'x';
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getEthAddressStringFromKey(&publicKey, destination + 2, &global_sha3, chainConfig);
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destination[42] = '\0';
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}
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void starkware_plugin_call(int message, void *parameters) {
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switch(message) {
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case ETH_PLUGIN_INIT_CONTRACT: {
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uint8_t i;
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ethPluginInitContract_t *msg = (ethPluginInitContract_t*)parameters;
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starkware_parameters_t *context = (starkware_parameters_t*)msg->pluginContext;
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PRINTF("starkware plugin init\n");
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for (i=0; i<NUM_STARKWARE_SELECTORS; i++) {
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if (memcmp(PIC(STARKWARE_SELECTORS[i]), msg->selector, SELECTOR_SIZE) == 0) {
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context->selectorIndex = i;
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break;
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}
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}
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if (i == NUM_STARKWARE_SELECTORS) {
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PRINTF("Unknown selector %.*H\n", SELECTOR_SIZE, msg->selector);
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break;
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}
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if (STARKWARE_EXPECTED_DATA_SIZE[context->selectorIndex] != 0) {
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if (msg->dataSize != STARKWARE_EXPECTED_DATA_SIZE[context->selectorIndex]) {
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PRINTF("Unexpected data size for command %d expected %d got %d\n", context->selectorIndex,
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STARKWARE_EXPECTED_DATA_SIZE[context->selectorIndex], msg->dataSize);
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break;
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}
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}
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context->validToken = true;
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msg->result = ETH_PLUGIN_RESULT_OK;
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}
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break;
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case ETH_PLUGIN_PROVIDE_PARAMETER : {
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ethPluginProvideParameter_t *msg = (ethPluginProvideParameter_t*)parameters;
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starkware_parameters_t *context = (starkware_parameters_t*)msg->pluginContext;
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PRINTF("starkware plugin provide parameter %d %.*H\n", msg->parameterOffset, 32, msg->parameter);
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// Ignore for verify escape
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if (context->selectorIndex == STARKWARE_VERIFY_ESCAPE) {
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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}
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switch(msg->parameterOffset) {
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case 4:
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switch(context->selectorIndex) {
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case STARKWARE_REGISTER:
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case STARKWARE_ESCAPE:
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memmove(context->starkKey, msg->parameter, 32);
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break;
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case STARKWARE_DEPOSIT_CANCEL:
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case STARKWARE_DEPOSIT_RECLAIM:
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break;
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case STARKWARE_FULL_WITHDRAW:
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case STARKWARE_FREEZE:
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memmove(context->vaultId, msg->parameter + 32 - 4, 4);
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break;
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case STARKWARE_DEPOSIT_ETH:
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case STARKWARE_DEPOSIT_TOKEN:
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case STARKWARE_WITHDRAW:
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context->validToken = starkware_verify_token_id(context->amount, msg->parameter);
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break;
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default:
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break;
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}
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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case 4 + 32:
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switch(context->selectorIndex) {
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case STARKWARE_DEPOSIT_CANCEL:
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case STARKWARE_DEPOSIT_RECLAIM:
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case STARKWARE_DEPOSIT_ETH:
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case STARKWARE_DEPOSIT_TOKEN:
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case STARKWARE_ESCAPE:
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memmove(context->vaultId, msg->parameter + 32 - 4, 4);
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break;
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default:
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break;
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}
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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case 4 + 32 + 32:
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switch(context->selectorIndex) {
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case STARKWARE_DEPOSIT_TOKEN:
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memmove(context->amount, msg->parameter, 32);
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break;
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case STARKWARE_ESCAPE:
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context->validToken = starkware_verify_token_id(context->amount, msg->parameter);
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break;
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default:
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break;
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}
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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case 4 + 32 + 32 + 32:
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switch(context->selectorIndex) {
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case STARKWARE_ESCAPE:
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memmove(context->amount, msg->parameter, 32);
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break;
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default:
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break;
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}
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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default:
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switch(context->selectorIndex) {
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case STARKWARE_VERIFY_ESCAPE:
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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default:
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PRINTF("Unhandled parameter offset\n");
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break;
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}
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}
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}
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break;
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case ETH_PLUGIN_FINALIZE: {
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ethPluginFinalize_t *msg = (ethPluginFinalize_t*)parameters;
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starkware_parameters_t *context = (starkware_parameters_t*)msg->pluginContext;
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PRINTF("starkware plugin finalize\n");
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if (!context->validToken) {
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msg->result = ETH_PLUGIN_RESULT_FALLBACK;
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}
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else {
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msg->uiType = ETH_UI_TYPE_GENERIC;
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msg->numScreens = STARKWARE_NUM_SCREENS[context->selectorIndex];
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msg->result = ETH_PLUGIN_RESULT_OK;
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}
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}
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break;
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case ETH_PLUGIN_QUERY_CONTRACT_ID: {
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ethQueryContractID_t *msg = (ethQueryContractID_t*)parameters;
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starkware_parameters_t *context = (starkware_parameters_t*)msg->pluginContext;
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PRINTF("starkware query contract id\n");
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switch(context->selectorIndex) {
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case STARKWARE_REGISTER:
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strcpy(msg->name, "Register");
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break;
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case STARKWARE_DEPOSIT_TOKEN:
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case STARKWARE_DEPOSIT_ETH:
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strcpy(msg->name, "Deposit");
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break;
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case STARKWARE_DEPOSIT_CANCEL:
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strcpy(msg->name, "Cancel Deposit");
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break;
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case STARKWARE_DEPOSIT_RECLAIM:
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strcpy(msg->name, "Reclaim Deposit");
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break;
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case STARKWARE_WITHDRAW:
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strcpy(msg->name, "Withdrawal");
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break;
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case STARKWARE_FULL_WITHDRAW:
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strcpy(msg->name, "Full Withdrawal");
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break;
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case STARKWARE_FREEZE:
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strcpy(msg->name, "Freeze");
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break;
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case STARKWARE_ESCAPE:
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strcpy(msg->name, "Escape");
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break;
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case STARKWARE_VERIFY_ESCAPE:
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strcpy(msg->name, "Verify Escape");
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break;
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default:
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break;
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}
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strcpy(msg->version, "Starkware");
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msg->result = ETH_PLUGIN_RESULT_OK;
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}
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break;
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case ETH_PLUGIN_QUERY_CONTRACT_UI: {
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ethQueryContractUI_t *msg = (ethQueryContractUI_t*)parameters;
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starkware_parameters_t *context = (starkware_parameters_t*)msg->pluginContext;
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switch(msg->screenIndex) {
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case 0:
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strcpy(msg->title, "Contract Name");
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starkware_print_eth_address(tmpContent.txContent.destination, msg->msg);
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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case 1:
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switch(context->selectorIndex) {
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case STARKWARE_REGISTER:
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strcpy(msg->title, "From ETH Address");
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starkware_get_source_address(msg->msg);
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break;
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case STARKWARE_DEPOSIT_TOKEN:
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case STARKWARE_DEPOSIT_ETH:
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case STARKWARE_DEPOSIT_CANCEL:
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case STARKWARE_DEPOSIT_RECLAIM:
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case STARKWARE_FULL_WITHDRAW:
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case STARKWARE_FREEZE:
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strcpy(msg->title, "Token Account");
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starkware_print_vault_id(U4BE(context->vaultId, 0), msg->msg);
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break;
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case STARKWARE_WITHDRAW:
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strcpy(msg->title, "To ETH Address");
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starkware_get_source_address(msg->msg);
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break;
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case STARKWARE_ESCAPE:
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strcpy(msg->title, "Amount");
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starkware_print_amount(context->amount, msg->msg, true);
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break;
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default:
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PRINTF("Unexpected screen %d for %d\n", msg->screenIndex, context->selectorIndex);
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break;
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}
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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case 2:
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switch(context->selectorIndex) {
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case STARKWARE_REGISTER:
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case STARKWARE_ESCAPE:
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strcpy(msg->title, "Master Account");
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PRINTF("Master account %s\n", msg->msg);
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starkware_print_stark_key(context->starkKey, msg->msg);
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break;
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case STARKWARE_DEPOSIT_TOKEN:
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case STARKWARE_DEPOSIT_ETH:
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strcpy(msg->title, "Amount");
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starkware_print_amount(
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(context->selectorIndex == STARKWARE_DEPOSIT_ETH ? NULL : context->amount),
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msg->msg, false);
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break;
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case STARKWARE_WITHDRAW:
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strcpy(msg->title, "Token Symbol");
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starkware_print_ticker(msg->msg);
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break;
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default:
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PRINTF("Unexpected screen %d for %d\n", msg->screenIndex, context->selectorIndex);
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break;
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}
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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case 3:
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switch(context->selectorIndex) {
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case STARKWARE_ESCAPE:
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strcpy(msg->title, "Token Account");
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starkware_print_vault_id(U4BE(context->vaultId, 0), msg->msg);
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break;
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default:
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PRINTF("Unexpected screen %d for %d\n", msg->screenIndex, context->selectorIndex);
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break;
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}
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msg->result = ETH_PLUGIN_RESULT_OK;
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break;
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default:
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PRINTF("Unexpected screen %d for %d\n", msg->screenIndex, context->selectorIndex);
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break;
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}
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}
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break;
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default:
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PRINTF("Unhandled message %d\n", message);
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}
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}
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