nimbus-eth2/beacon_chain/libnimbus_lc/test_libnimbus_lc.c

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/**
* beacon_chain
* Copyright (c) 2023 Status Research & Development GmbH
* Licensed and distributed under either of
* * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
* * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
* at your option. This file may not be copied, modified, or distributed except according to those terms.
*/
#include <inttypes.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libnimbus_lc.h"
#define check(condition) \
do { \
if (!(condition)) { \
printf("assertion failed: %s - %s @ %s:%d", \
#condition, __func__, __FILE__, __LINE__); \
exit(1); \
} \
} while (0)
#ifndef __DIR__
#define __DIR__ "."
#endif
ETH_RESULT_USE_CHECK
static void *readEntireFile(const char *path, int *numBytes)
{
int err;
FILE *file = fopen(path, "rb");
check(file);
err = fseek(file, 0, SEEK_END);
check(!err);
long size = ftell(file);
check(size >= 0);
err = fseek(file, 0, SEEK_SET);
check(!err);
char *buffer = malloc((size_t) size + 1);
check(buffer);
size_t actualSize = fread(buffer, 1, (size_t) size, file);
check(actualSize == (size_t) size);
buffer[size] = '\0';
fclose(file);
if (numBytes) {
check(size <= INT_MAX);
*numBytes = (int) actualSize;
}
return buffer;
}
ETH_RESULT_USE_CHECK
static ETHConsensusConfig *loadCfg(const char *path)
{
void *fileContent = readEntireFile(path, /* numBytes: */ NULL);
ETHConsensusConfig *cfg = ETHConsensusConfigCreateFromYaml(fileContent);
check(cfg);
free(fileContent);
return cfg;
}
ETH_RESULT_USE_CHECK
static ETHBeaconState *loadGenesis(const ETHConsensusConfig *cfg, const char *path)
{
const char *consensusFork = ETHConsensusConfigGetConsensusVersionAtEpoch(cfg, /* epoch: */ 0);
check(consensusFork);
int numSszBytes;
void *sszBytes = readEntireFile(path, &numSszBytes);
ETHBeaconState *state = ETHBeaconStateCreateFromSsz(
cfg, consensusFork, sszBytes, numSszBytes);
check(state);
free(sszBytes);
return state;
}
static void printHexString(const void *bytes, int numBytes)
{
const uint8_t *bytes_ = bytes;
printf("0x");
for (int i = 0; i < numBytes; i++) {
printf("%02x", bytes_[i]);
}
}
static void printHexStringReversed(const void *bytes, int numBytes)
{
const uint8_t *bytes_ = bytes;
printf("0x");
for (int i = numBytes - 1; i >= 0; i--) {
printf("%02x", bytes_[i]);
}
}
static void printGweiString(const ETHUInt256 *wei)
{
ETHUInt256 value;
memcpy(&value, wei, sizeof value);
char weiString[80];
int o = 0;
for (;;) {
bool isZero = true;
for (size_t i = 0; i < sizeof value; i++) {
if (value.bytes[i]) {
isZero = false;
break;
}
}
if (isZero) {
break;
}
uint8_t remainder = 0;
for (int i = sizeof value - 1; i >= 0; i--) {
uint16_t temp = (uint16_t) ((uint16_t) remainder << 8) | value.bytes[i];
value.bytes[i] = (uint8_t) (temp / 10);
remainder = temp % 10;
}
weiString[o++] = '0' + (char) remainder;
}
if (!o) {
weiString[o++] = '0';
}
if (o < 9) {
printf("0");
} else {
while (o > 9) {
printf("%c", weiString[--o]);
}
}
int z = 0;
while (z < o && weiString[z] == '0') {
z++;
}
if (o > z) {
printf(".");
while (o > z) {
printf("%c", weiString[--o]);
}
}
}
static void visualizeHeader(const ETHLightClientHeader *header, const ETHConsensusConfig *cfg)
{
ETHRoot *beaconRoot = ETHLightClientHeaderCopyBeaconRoot(header, cfg);
printf(" - beacon: ");
printHexString(beaconRoot, sizeof *beaconRoot);
printf("\n");
ETHRootDestroy(beaconRoot);
const ETHBeaconBlockHeader *beacon = ETHLightClientHeaderGetBeacon(header);
int beaconSlot = ETHBeaconBlockHeaderGetSlot(beacon);
printf(" - slot: %d\n", beaconSlot);
int beaconProposerIndex = ETHBeaconBlockHeaderGetProposerIndex(beacon);
printf(" - proposer_index: %d\n", beaconProposerIndex);
const ETHRoot *beaconParentRoot = ETHBeaconBlockHeaderGetParentRoot(beacon);
printf(" - parent_root: ");
printHexString(beaconParentRoot, sizeof *beaconParentRoot);
printf("\n");
const ETHRoot *beaconStateRoot = ETHBeaconBlockHeaderGetStateRoot(beacon);
printf(" - state_root: ");
printHexString(beaconStateRoot, sizeof *beaconStateRoot);
printf("\n");
const ETHRoot *beaconBodyRoot = ETHBeaconBlockHeaderGetBodyRoot(beacon);
printf(" - body_root: ");
printHexString(beaconBodyRoot, sizeof *beaconBodyRoot);
printf("\n");
ETHRoot *executionHash = ETHLightClientHeaderCopyExecutionHash(header, cfg);
printf(" - execution: ");
printHexString(executionHash, sizeof *executionHash);
printf("\n");
ETHRootDestroy(executionHash);
const ETHExecutionPayloadHeader *execution = ETHLightClientHeaderGetExecution(header);
const ETHRoot *executionParentHash = ETHExecutionPayloadHeaderGetParentHash(execution);
printf(" - parent_hash: ");
printHexString(executionParentHash, sizeof *executionParentHash);
printf("\n");
const ETHExecutionAddress *executionFeeRecipient =
ETHExecutionPayloadHeaderGetFeeRecipient(execution);
printf(" - fee_recipient: ");
printHexString(executionFeeRecipient, sizeof *executionFeeRecipient);
printf("\n");
const ETHRoot *executionStateRoot = ETHExecutionPayloadHeaderGetStateRoot(execution);
printf(" - state_root: ");
printHexString(executionStateRoot, sizeof *executionStateRoot);
printf("\n");
const ETHRoot *executionReceiptsRoot = ETHExecutionPayloadHeaderGetReceiptsRoot(execution);
printf(" - receipts_root: ");
printHexString(executionReceiptsRoot, sizeof *executionReceiptsRoot);
printf("\n");
const ETHLogsBloom *executionLogsBloom = ETHExecutionPayloadHeaderGetLogsBloom(execution);
printf(" - logs_bloom: ");
printHexString(executionLogsBloom, sizeof *executionLogsBloom);
printf("\n");
const ETHRoot *executionPrevRandao = ETHExecutionPayloadHeaderGetPrevRandao(execution);
printf(" - prev_randao: ");
printHexString(executionPrevRandao, sizeof *executionPrevRandao);
printf("\n");
int executionBlockNumber = ETHExecutionPayloadHeaderGetBlockNumber(execution);
printf(" - block_number: %d\n", executionBlockNumber);
int executionGasLimit = ETHExecutionPayloadHeaderGetGasLimit(execution);
printf(" - gas_limit: %d\n", executionGasLimit);
int executionGasUsed = ETHExecutionPayloadHeaderGetGasUsed(execution);
printf(" - gas_used: %d\n", executionGasUsed);
int executionTimestamp = ETHExecutionPayloadHeaderGetTimestamp(execution);
printf(" - timestamp: %d\n", executionTimestamp);
int numExecutionExtraDataBytes;
const void *executionExtraDataBytes =
ETHExecutionPayloadHeaderGetExtraDataBytes(execution, &numExecutionExtraDataBytes);
printf(" - extra_data: ");
printHexString(executionExtraDataBytes, numExecutionExtraDataBytes);
printf("\n");
const ETHUInt256 *executionBaseFeePerGas = ETHExecutionPayloadHeaderGetBaseFeePerGas(execution);
printf(" - base_fee_per_gas: ");
printGweiString(executionBaseFeePerGas);
printf(" Gwei\n");
int executionBlobGasUsed = ETHExecutionPayloadHeaderGetBlobGasUsed(execution);
printf(" - blob_gas_used: %d\n", executionBlobGasUsed);
int executionExcessBlobGas = ETHExecutionPayloadHeaderGetExcessBlobGas(execution);
printf(" - excess_blob_gas: %d\n", executionExcessBlobGas);
}
ETH_RESULT_USE_CHECK
int main(void)
{
NimMain();
ETHRandomNumber *rng = ETHRandomNumberCreate();
check(rng);
ETHConsensusConfig *cfg = loadCfg(__DIR__ "/test_files/config.yaml");
ETHBeaconState *genesisState = loadGenesis(cfg, __DIR__ "/test_files/genesis.ssz");
ETHRoot *genesisValRoot = ETHBeaconStateCopyGenesisValidatorsRoot(genesisState);
ETHForkDigests *forkDigests = ETHForkDigestsCreateFromState(cfg, genesisState);
ETHBeaconClock *beaconClock = ETHBeaconClockCreateFromState(genesisState);
ETHBeaconStateDestroy(genesisState);
printf("Current slot: %d\n", ETHBeaconClockGetSlot(beaconClock));
printf("\n");
const ETHRoot trustedBlockRoot = {{
0x15, 0xcf, 0x56, 0xeb, 0xf8, 0x87, 0xed, 0xe9,
0xcf, 0x3f, 0xc1, 0x0a, 0x26, 0xec, 0x83, 0x82,
0x86, 0x28, 0x93, 0x2c, 0x10, 0x0e, 0x42, 0xc9,
0x8c, 0x84, 0xf8, 0x3d, 0xa7, 0x10, 0xc8, 0x63
}};
int numBootstrapBytes;
void *bootstrapBytes = readEntireFile(__DIR__ "/test_files/bootstrap.ssz", &numBootstrapBytes);
ETHLightClientStore *store = ETHLightClientStoreCreateFromBootstrap(
cfg, &trustedBlockRoot,
"application/octet-stream", "capella", bootstrapBytes, numBootstrapBytes);
check(store);
free(bootstrapBytes);
int startPeriod;
int count;
int syncKind = ETHLightClientStoreGetNextSyncTask(store, beaconClock, &startPeriod, &count);
check(syncKind == kETHLcSyncKind_UpdatesByRange);
check(startPeriod == 800);
check(count > 0 && count <= 128);
printf("Sync task: UpdatesByRange(%d, %d)\n", startPeriod, count);
int latestProcessResult;
int numUpdatesBytes;
void *updatesBytes = readEntireFile(__DIR__ "/test_files/updates.ssz", &numUpdatesBytes);
latestProcessResult = ETHLightClientStoreProcessUpdatesByRange(
store, cfg, forkDigests, genesisValRoot, beaconClock,
startPeriod, count, "application/octet-stream", updatesBytes, numUpdatesBytes);
check(!latestProcessResult);
free(updatesBytes);
int millisecondsToNextSyncTask = ETHLightClientStoreGetMillisecondsToNextSyncTask(
store, rng, beaconClock, latestProcessResult);
printf("Next sync task: %d.%03ds\n",
millisecondsToNextSyncTask / 1000,
millisecondsToNextSyncTask % 1000);
int numFinUpdateBytes;
void *finUpdateBytes = readEntireFile(__DIR__ "/test_files/finUpdate.ssz", &numFinUpdateBytes);
latestProcessResult = ETHLightClientStoreProcessFinalityUpdate(
store, cfg, forkDigests, genesisValRoot, beaconClock,
"application/octet-stream", "capella", finUpdateBytes, numFinUpdateBytes);
check(!latestProcessResult);
free(finUpdateBytes);
int numOptUpdateBytes;
void *optUpdateBytes = readEntireFile(__DIR__ "/test_files/optUpdate.ssz", &numOptUpdateBytes);
latestProcessResult = ETHLightClientStoreProcessOptimisticUpdate(
store, cfg, forkDigests, genesisValRoot, beaconClock,
"application/octet-stream", "capella", optUpdateBytes, numOptUpdateBytes);
check(!latestProcessResult);
free(optUpdateBytes);
finUpdateBytes = readEntireFile(__DIR__ "/test_files/finUpdate.json", &numFinUpdateBytes);
latestProcessResult = ETHLightClientStoreProcessFinalityUpdate(
store, cfg, forkDigests, genesisValRoot, beaconClock,
"application/json", /* consensusVersion: */ NULL, finUpdateBytes, numFinUpdateBytes);
check(!latestProcessResult);
free(finUpdateBytes);
optUpdateBytes = readEntireFile(__DIR__ "/test_files/optUpdate.json", &numOptUpdateBytes);
latestProcessResult = ETHLightClientStoreProcessOptimisticUpdate(
store, cfg, forkDigests, genesisValRoot, beaconClock,
"application/json", /* consensusVersion: */ NULL, optUpdateBytes, numOptUpdateBytes);
check(!latestProcessResult);
free(optUpdateBytes);
printf("\n");
printf("- finalized_header\n");
visualizeHeader(ETHLightClientStoreGetFinalizedHeader(store), cfg);
bool isNextSyncCommitteeKnown = ETHLightClientStoreIsNextSyncCommitteeKnown(store);
printf("- next_sync_committee: %s\n", isNextSyncCommitteeKnown ? "known" : "unknown");
printf("- optimistic_header\n");
visualizeHeader(ETHLightClientStoreGetOptimisticHeader(store), cfg);
int safetyThreshold = ETHLightClientStoreGetSafetyThreshold(store);
printf("- safety_threshold: %d\n", safetyThreshold);
ETHLightClientHeader *copiedHeader =
ETHLightClientHeaderCreateCopy(ETHLightClientStoreGetFinalizedHeader(store));
ETHLightClientStoreDestroy(store);
ETHBeaconClockDestroy(beaconClock);
ETHForkDigestsDestroy(forkDigests);
ETHRootDestroy(genesisValRoot);
ETHConsensusConfigDestroy(cfg);
ETHRandomNumberDestroy(rng);
ETHRoot *copiedExecutionHash = ETHLightClientHeaderCopyExecutionHash(copiedHeader, cfg);
void *blockHeaderJson = readEntireFile(
__DIR__ "/test_files/executionBlockHeader.json", /* numBytes: */ NULL);
ETHExecutionBlockHeader *executionBlockHeader =
ETHExecutionBlockHeaderCreateFromJson(copiedExecutionHash, blockHeaderJson);
check(executionBlockHeader);
free(blockHeaderJson);
ETHRootDestroy(copiedExecutionHash);
ETHLightClientHeaderDestroy(copiedHeader);
printf("\nFinalized_header (execution block header):\n");
const ETHRoot *executionTransactionsRoot =
ETHExecutionBlockHeaderGetTransactionsRoot(executionBlockHeader);
printf(" - transactions_root: ");
printHexString(executionTransactionsRoot, sizeof *executionTransactionsRoot);
printf("\n");
const ETHRoot *executionWithdrawalsRoot =
ETHExecutionBlockHeaderGetWithdrawalsRoot(executionBlockHeader);
printf(" - withdrawals_root: ");
printHexString(executionWithdrawalsRoot, sizeof *executionWithdrawalsRoot);
printf("\n");
const ETHWithdrawals *withdrawals =
ETHExecutionBlockHeaderGetWithdrawals(executionBlockHeader);
int numWithdrawals = ETHWithdrawalsGetCount(withdrawals);
printf(" - withdrawals:\n");
for (int withdrawalIndex = 0; withdrawalIndex < numWithdrawals; withdrawalIndex++) {
const ETHWithdrawal *withdrawal = ETHWithdrawalsGet(withdrawals, withdrawalIndex);
const uint64_t *index = ETHWithdrawalGetIndex(withdrawal);
printf(" - index: %" PRIu64 "\n", *index);
const uint64_t *validatorIndex = ETHWithdrawalGetValidatorIndex(withdrawal);
printf(" - validator_index: %" PRIu64 "\n", *validatorIndex);
const ETHExecutionAddress *address = ETHWithdrawalGetAddress(withdrawal);
printf(" - address: ");
printHexString(address, sizeof *address);
printf("\n");
const uint64_t *amount = ETHWithdrawalGetAmount(withdrawal);
printf(" - amount: %" PRIu64 "\n", *amount);
int numBytes;
const void *bytes = ETHWithdrawalGetBytes(withdrawal, &numBytes);
printf(" - bytes: ");
printHexString(bytes, numBytes);
printf("\n");
}
ETHExecutionBlockHeaderDestroy(executionBlockHeader);
ETHRoot sampleTransactionsRoot = {{
0x73, 0x36, 0x36, 0xe8, 0x0e, 0x47, 0x60, 0x09,
0xd1, 0xc8, 0x9f, 0x81, 0xaa, 0x64, 0xe1, 0xfd,
0xf7, 0xff, 0x36, 0xd6, 0x04, 0x6e, 0x95, 0x6c,
0x39, 0xed, 0xcd, 0x6c, 0x95, 0x2d, 0xce, 0xc2,
}};
void *sampleTransactionsJson = readEntireFile(
__DIR__ "/test_files/transactions.json", /* numBytes: */ NULL);
ETHTransactions *transactions =
ETHTransactionsCreateFromJson(&sampleTransactionsRoot, sampleTransactionsJson);
check(transactions);
free(sampleTransactionsJson);
ETHRoot sampleReceiptsRoot = {{
0x51, 0x4d, 0xdf, 0xd7, 0xf8, 0x33, 0xfb, 0x2a,
0x4f, 0x60, 0xed, 0x49, 0xdf, 0xc7, 0x9c, 0x07,
0xb6, 0x9c, 0x37, 0xef, 0xd1, 0xa5, 0x97, 0xca,
0x42, 0x76, 0x23, 0xff, 0xa1, 0x79, 0x49, 0xae,
}};
void *sampleReceiptsJson = readEntireFile(
__DIR__ "/test_files/receipts.json", /* numBytes: */ NULL);
ETHReceipts *receipts =
ETHReceiptsCreateFromJson(&sampleReceiptsRoot, sampleReceiptsJson, transactions);
check(receipts);
free(sampleReceiptsJson);
int numTransactions = ETHTransactionsGetCount(transactions);
int numReceipts = ETHReceiptsGetCount(receipts);
check(numTransactions == numReceipts);
printf("\nSample transactions:\n");
for (int transactionIndex = 0; transactionIndex < numTransactions; transactionIndex++) {
const ETHTransaction *transaction = ETHTransactionsGet(transactions, transactionIndex);
const ETHReceipt *receipt = ETHReceiptsGet(receipts, transactionIndex);
const ETHRoot *transactionHash = ETHTransactionGetHash(transaction);
printf("- ");
printHexString(transactionHash, sizeof *transactionHash);
printf("\n");
const ETHUInt256 *transactionChainId = ETHTransactionGetChainId(transaction);
printf(" - chain_id: ");
printHexStringReversed(transactionChainId, sizeof *transactionChainId);
printf("\n");
const ETHExecutionAddress *transactionFrom = ETHTransactionGetFrom(transaction);
printf(" - from: ");
printHexString(transactionFrom, sizeof *transactionFrom);
printf("\n");
const uint64_t *transactionNonce = ETHTransactionGetNonce(transaction);
printf(" - nonce: %" PRIu64 "\n", *transactionNonce);
const uint64_t *transactionMaxPriorityFeePerGas =
ETHTransactionGetMaxPriorityFeePerGas(transaction);
printf(" - max_priority_fee_per_gas: %" PRIu64 "\n", *transactionMaxPriorityFeePerGas);
const uint64_t *transactionMaxFeePerGas = ETHTransactionGetMaxFeePerGas(transaction);
printf(" - max_fee_per_gas: %" PRIu64 "\n", *transactionMaxFeePerGas);
const uint64_t *transactionGas = ETHTransactionGetGas(transaction);
printf(" - gas: %" PRIu64 "\n", *transactionGas);
bool transactionIsCreatingContract = ETHTransactionIsCreatingContract(transaction);
const ETHExecutionAddress *transactionTo = ETHTransactionGetTo(transaction);
if (transactionIsCreatingContract) {
printf(" - contract_address: ");
} else {
printf(" - to: ");
}
printHexString(transactionTo, sizeof *transactionTo);
printf("\n");
const ETHUInt256 *transactionValue = ETHTransactionGetValue(transaction);
printf(" - value: ");
printGweiString(transactionValue);
printf(" Gwei\n");
int numTransactionInputBytes;
const void *transactionInputBytes =
ETHTransactionGetInputBytes(transaction, &numTransactionInputBytes);
printf(" - input: ");
printHexString(transactionInputBytes, numTransactionInputBytes);
printf("\n");
const ETHAccessList *transactionAccessList = ETHTransactionGetAccessList(transaction);
printf(" - access_list:\n");
int numAccessTuples = ETHAccessListGetCount(transactionAccessList);
for (int accessTupleIndex = 0; accessTupleIndex < numAccessTuples; accessTupleIndex++) {
const ETHAccessTuple *accessTuple =
ETHAccessListGet(transactionAccessList, accessTupleIndex);
const ETHExecutionAddress *accessTupleAddress = ETHAccessTupleGetAddress(accessTuple);
printf(" - ");
printHexString(accessTupleAddress, sizeof *accessTupleAddress);
printf("\n");
int numStorageKeys = ETHAccessTupleGetNumStorageKeys(accessTuple);
for (int storageKeyIndex = 0; storageKeyIndex < numStorageKeys; storageKeyIndex++) {
const ETHRoot *storageKey =
ETHAccessTupleGetStorageKey(accessTuple, storageKeyIndex);
printf(" - ");
printHexString(storageKey, sizeof *storageKey);
printf("\n");
}
}
const uint64_t *transactionMaxFeePerBlobGas =
ETHTransactionGetMaxFeePerBlobGas(transaction);
printf(" - max_fee_per_blob_gas: %" PRIu64 "\n", *transactionMaxFeePerBlobGas);
printf(" - blob_versioned_hashes:\n");
int numBlobVersionedHashes = ETHTransactionGetNumBlobVersionedHashes(transaction);
for (int hashIndex = 0; hashIndex < numBlobVersionedHashes; hashIndex++) {
const ETHRoot *blobVersionedHash =
ETHTransactionGetBlobVersionedHash(transaction, hashIndex);
printf(" - ");
printHexString(blobVersionedHash, sizeof *blobVersionedHash);
printf("\n");
}
int numTransactionSignatureBytes;
const void *transactionSignatureBytes =
ETHTransactionGetSignatureBytes(transaction, &numTransactionSignatureBytes);
printf(" - signature: ");
printHexString(transactionSignatureBytes, numTransactionSignatureBytes);
printf("\n");
int numTransactionBytes;
const void *transactionBytes = ETHTransactionGetBytes(transaction, &numTransactionBytes);
printf(" - bytes: ");
printHexString(transactionBytes, numTransactionBytes);
printf("\n");
printf(" - receipt:\n");
bool receiptHasStatus = ETHReceiptHasStatus(receipt);
if (!receiptHasStatus) {
const ETHRoot *receiptRoot = ETHReceiptGetRoot(receipt);
printf(" - root: ");
printHexString(receiptRoot, sizeof *receiptRoot);
printf("\n");
} else {
bool receiptStatus = ETHReceiptGetStatus(receipt);
printf(" - status: %d\n", receiptStatus);
}
const uint64_t *receiptGasUsed = ETHReceiptGetGasUsed(receipt);
printf(" - gas_used: %" PRIu64 "\n", *receiptGasUsed);
const ETHLogsBloom *receiptLogsBloom = ETHReceiptGetLogsBloom(receipt);
printf(" - logs_bloom: ");
printHexString(receiptLogsBloom, sizeof *receiptLogsBloom);
printf("\n");
const ETHLogs *receiptLogs = ETHReceiptGetLogs(receipt);
printf(" - logs:\n");
int numLogs = ETHLogsGetCount(receiptLogs);
for (int logIndex = 0; logIndex < numLogs; logIndex++) {
const ETHLog *log = ETHLogsGet(receiptLogs, logIndex);
const ETHExecutionAddress *logAddress = ETHLogGetAddress(log);
printf(" - address: ");
printHexString(logAddress, sizeof *logAddress);
printf("\n");
printf(" - topics:\n");
int numTopics = ETHLogGetNumTopics(log);
for (int topicIndex = 0; topicIndex < numTopics; topicIndex++) {
const ETHRoot *topic = ETHLogGetTopic(log, topicIndex);
printf(" - ");
printHexString(topic, sizeof *topic);
printf("\n");
}
int numLogDataBytes;
const void *logDataBytes = ETHLogGetDataBytes(log, &numLogDataBytes);
printf(" - data: ");
printHexString(logDataBytes, numLogDataBytes);
printf("\n");
}
int numReceiptBytes;
const void *receiptBytes = ETHReceiptGetBytes(receipt, &numReceiptBytes);
printf(" - bytes: ");
printHexString(receiptBytes, numReceiptBytes);
printf("\n");
}
ETHReceiptsDestroy(receipts);
ETHTransactionsDestroy(transactions);
return 0;
}