a2d9a8068a
* Add network name display instead of chainID * Add display of correct ticker along with network * Add FTM * Clang-format * Add comment in python script * Rename SIZE_MAX to MAX_SIZE * Change %u to %d in printf * Remove needless PIC * Update comment about get_chain_id() * Update example script to follow EIP155 * Remove unused PIC calls * Add whitespace between ticker and amount when using EIP155 * Remove decimal config per network, set back 18 everywhere * Adapt u32_from_BE to swith cases * Remove chainid from signTx.py * Switch to switch in stead of if in get_chain_id * Revert "Remove chainid from signTx.py" This reverts commit 454e09f280ec3e3ec1c7d7cc0027247ef4390088. * Change Ethereum chainid to 1 * Rename chainid_step to network_step * Adapt finalizeParsing to new chainid for Ethereum * Update snapshots * clang-format * Fix network display logic for clones * Fix tests * Add clone tests Co-authored-by: TamtamHero <10632523+TamtamHero@users.noreply.github.com>
90 lines
3.4 KiB
C
90 lines
3.4 KiB
C
#ifdef HAVE_STARKWARE
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#include "shared_context.h"
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#include "stark_utils.h"
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#include "ui_callbacks.h"
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#include "utils.h"
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static unsigned char const C_cx_Stark256_n[] = {
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// n: 0x0800000000000010ffffffffffffffffb781126dcae7b2321e66a241adc64d2f
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0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xb7, 0x81, 0x12, 0x6d, 0xca, 0xe7, 0xb2, 0x32, 0x1e, 0x66, 0xa2, 0x41, 0xad, 0xc6, 0x4d, 0x2f};
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// C_cx_secp256k1_n - (C_cx_secp256k1_n % C_cx_Stark256_n)
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static unsigned char const STARK_DERIVE_BIAS[] = {
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0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x0e, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf7,
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0x38, 0xa1, 0x3b, 0x4b, 0x92, 0x0e, 0x94, 0x11, 0xae, 0x6d, 0xa5, 0xf4, 0x0b, 0x03, 0x58, 0xb1};
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void starkDerivePrivateKey(uint32_t *bip32Path, uint32_t bip32PathLength, uint8_t *privateKeyData) {
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#if 0
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// Sanity check
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if (bip32Path[0] != STARK_BIP32_PATH_0) {
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PRINTF("Invalid Stark derivation path %d\n", bip32Path[0]);
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THROW(0x6a80);
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}
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os_perso_derive_node_bip32(CX_CURVE_256K1, bip32Path, bip32PathLength, privateKeyData, NULL);
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PRINTF("Private key before processing %.*H\n", 32, privateKeyData);
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// TODO - support additional schemes
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cx_math_modm(privateKeyData, 32, C_cx_Stark256_n, 32);
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PRINTF("Private key after processing %.*H\n", 32, privateKeyData);
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#else
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uint8_t tmp[33];
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uint8_t index = 0;
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// Sanity check
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if ((bip32PathLength < 2) || (bip32Path[0] != STARK_BIP32_PATH_0) ||
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(bip32Path[1] != STARK_BIP32_PATH_1)) {
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PRINTF("Invalid Stark derivation path %d %d\n", bip32Path[0], bip32Path[1]);
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THROW(0x6a80);
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}
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os_perso_derive_node_bip32(CX_CURVE_256K1, bip32Path, bip32PathLength, tmp, NULL);
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PRINTF("Private key before processing %.*H\n", 32, tmp);
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for (;;) {
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tmp[32] = index;
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cx_hash_sha256(tmp, 33, privateKeyData, 32);
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PRINTF("Key hash %.*H\n", 32, privateKeyData);
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if (cx_math_cmp(privateKeyData, STARK_DERIVE_BIAS, 32) < 0) {
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cx_math_modm(privateKeyData, 32, C_cx_Stark256_n, 32);
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break;
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}
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index++;
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}
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PRINTF("Key result %.*H\n", 32, privateKeyData);
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#endif
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}
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void stark_get_amount_string(uint8_t *contractAddress,
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uint8_t *quantum256,
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uint8_t *amount64,
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char *tmp100,
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char *target100) {
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uint256_t amountPre, quantum, amount;
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uint8_t decimals;
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char *ticker = chainConfig->coinName;
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PRINTF("stark_get_amount_string %.*H\n", 20, contractAddress);
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if (allzeroes(contractAddress, 20)) {
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decimals = WEI_TO_ETHER;
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PRINTF("stark_get_amount_string - ETH\n");
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} else {
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tokenDefinition_t *token = getKnownToken(contractAddress);
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if (token == NULL) { // caught earlier
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THROW(0x6A80);
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}
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decimals = token->decimals;
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ticker = (char *) token->ticker;
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PRINTF("stark_get_amount_string - decimals %d ticker %s\n", decimals, ticker);
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}
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convertUint256BE(amount64, 8, &amountPre);
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readu256BE(quantum256, &quantum);
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mul256(&amountPre, &quantum, &amount);
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tostring256(&amount, 10, tmp100, 100);
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PRINTF("stark_get_amount_string - mul256 %s\n", tmp100);
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strcpy(target100, ticker);
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adjustDecimals(tmp100, strlen(tmp100), target100 + strlen(ticker), 100, decimals);
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PRINTF("get_amount_string %s\n", target100);
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}
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#endif // HAVE_STARK
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