mirror of
https://github.com/logos-blockchain/lez-indexer-module.git
synced 2026-07-30 15:13:11 +00:00
191 lines
7.9 KiB
C++
191 lines
7.9 KiB
C++
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#include "lez_ffi_marshalling.h"
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#include <QtCore/QByteArray>
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#include <QtCore/QJsonDocument>
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#include <algorithm>
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#include <cstring>
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namespace marshalling {
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// Lower-case hex of `length` raw bytes (used for 32-byte hashes/ids/keys and
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// 64-byte signatures). Qt's toHex() avoids a hand-rolled nibble loop.
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QString bytesToHex(const uint8_t* data, const size_t length) {
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return QString::fromLatin1(QByteArray(reinterpret_cast<const char*>(data), static_cast<int>(length)).toHex());
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}
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// FfiU128 is a 16-byte little-endian integer (balances, nonces). C++ has no
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// native u128, so build the decimal string via __uint128_t (GCC/Clang, 64-bit).
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QString u128LeToDecimal(const uint8_t data[16]) {
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#if defined(__SIZEOF_INT128__) && __SIZEOF_INT128__ >= 16
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__uint128_t v = 0;
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for (int i = 0; i < 16; ++i) {
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v |= static_cast<__uint128_t>(data[i]) << (i * 8);
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}
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if (v == 0) {
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return QStringLiteral("0");
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}
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char buf[40];
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int n = 0;
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while (v) {
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buf[n++] = static_cast<char>('0' + static_cast<int>(v % 10));
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v /= 10;
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}
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std::reverse(buf, buf + n);
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return QString::fromLatin1(buf, n);
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#else
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#error "u128LeToDecimal requires __uint128_t; build with GCC or Clang on 64-bit"
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#endif
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}
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// 64-bit values are emitted as decimal STRINGS, not JSON numbers: QJsonValue
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// stores numbers as double, which silently loses precision above 2^53.
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QString u64ToString(uint64_t v) {
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return QString::number(static_cast<qulonglong>(v));
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}
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// Parse a hex string (optionally 0x-prefixed) into a fixed 32-byte FfiBytes32.
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// Returns false unless it decodes to exactly 32 bytes.
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bool hexToBytes32(const QString& hex, FfiBytes32* out) {
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QString trimmed = hex.trimmed();
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if (trimmed.startsWith(QLatin1String("0x")) || trimmed.startsWith(QLatin1String("0X"))) {
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trimmed = trimmed.mid(2);
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}
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const QByteArray raw = QByteArray::fromHex(trimmed.toLatin1());
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if (raw.size() != 32) {
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return false;
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}
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std::memcpy(out->data, raw.constData(), 32);
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return true;
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}
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QJsonObject ffiAccountToJson(const FfiAccount& account) {
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QJsonObject obj;
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obj[QStringLiteral("program_owner")] =
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bytesToHex(reinterpret_cast<const uint8_t*>(account.program_owner.data), 32);
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obj[QStringLiteral("balance")] = u128LeToDecimal(account.balance.data);
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obj[QStringLiteral("nonce")] = u128LeToDecimal(account.nonce.data);
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obj[QStringLiteral("data_size")] = static_cast<int>(account.data_len);
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return obj;
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}
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QJsonObject ffiTransactionToJson(const FfiTransaction& tx) {
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QJsonObject obj;
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switch (tx.kind) {
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case Public: {
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const FfiPublicTransactionBody* body = tx.body.public_body;
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if (!body) {
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break;
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}
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obj[QStringLiteral("type")] = QStringLiteral("Public");
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obj[QStringLiteral("hash")] = bytesToHex(body->hash.data, 32);
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obj[QStringLiteral("program_id")] =
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bytesToHex(reinterpret_cast<const uint8_t*>(body->message.program_id.data), 32);
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QJsonArray accounts;
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const FfiAccountIdList& ids = body->message.account_ids;
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const FfiNonceList& nonces = body->message.nonces;
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for (uintptr_t i = 0; i < ids.len; ++i) {
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QJsonObject ref;
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ref[QStringLiteral("account_id")] = bytesToHex(ids.entries[i].data, 32);
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ref[QStringLiteral("nonce")] =
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i < nonces.len ? u128LeToDecimal(nonces.entries[i].data) : QStringLiteral("0");
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accounts.append(ref);
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}
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obj[QStringLiteral("accounts")] = accounts;
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QJsonArray instructionData;
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const FfiInstructionDataList& instr = body->message.instruction_data;
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for (uintptr_t i = 0; i < instr.len; ++i) {
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instructionData.append(static_cast<double>(instr.entries[i]));
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}
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obj[QStringLiteral("instruction_data")] = instructionData;
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obj[QStringLiteral("signature_count")] = static_cast<int>(body->witness_set.len);
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break;
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}
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case Private: {
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const FfiPrivateTransactionBody* body = tx.body.private_body;
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if (!body) {
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break;
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}
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obj[QStringLiteral("type")] = QStringLiteral("PrivacyPreserving");
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obj[QStringLiteral("hash")] = bytesToHex(body->hash.data, 32);
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QJsonArray accounts;
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const FfiAccountIdList& ids = body->message.public_account_ids;
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const FfiNonceList& nonces = body->message.nonces;
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for (uintptr_t i = 0; i < ids.len; ++i) {
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QJsonObject ref;
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ref[QStringLiteral("account_id")] = bytesToHex(ids.entries[i].data, 32);
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ref[QStringLiteral("nonce")] =
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i < nonces.len ? u128LeToDecimal(nonces.entries[i].data) : QStringLiteral("0");
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accounts.append(ref);
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}
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obj[QStringLiteral("accounts")] = accounts;
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obj[QStringLiteral("new_commitments_count")] = static_cast<int>(body->message.new_commitments.len);
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obj[QStringLiteral("nullifiers_count")] = static_cast<int>(body->message.new_nullifiers.len);
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obj[QStringLiteral("encrypted_states_count")] =
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static_cast<int>(body->message.encrypted_private_post_states.len);
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obj[QStringLiteral("validity_window_start")] = u64ToString(body->message.block_validity_window[0]);
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obj[QStringLiteral("validity_window_end")] = u64ToString(body->message.block_validity_window[1]);
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obj[QStringLiteral("signature_count")] = static_cast<int>(body->witness_set.len);
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obj[QStringLiteral("proof_size")] = static_cast<int>(body->proof.len);
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break;
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}
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case ProgramDeploy: {
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const FfiProgramDeploymentTransactionBody* body = tx.body.program_deployment_body;
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if (!body) {
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break;
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}
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obj[QStringLiteral("type")] = QStringLiteral("ProgramDeployment");
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obj[QStringLiteral("hash")] = bytesToHex(body->hash.data, 32);
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obj[QStringLiteral("bytecode_size")] = static_cast<int>(body->message.len);
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break;
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}
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}
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return obj;
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}
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namespace {
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QString bedrockStatusToString(FfiBedrockStatus status) {
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switch (status) {
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case Safe:
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return QStringLiteral("Safe");
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case Finalized:
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return QStringLiteral("Finalized");
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case Pending:
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default:
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return QStringLiteral("Pending");
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}
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}
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} // namespace
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QJsonObject ffiBlockToJson(const FfiBlock& block) {
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QJsonObject obj;
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obj[QStringLiteral("block_id")] = u64ToString(block.header.block_id);
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obj[QStringLiteral("hash")] = bytesToHex(block.header.hash.data, 32);
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obj[QStringLiteral("prev_block_hash")] = bytesToHex(block.header.prev_block_hash.data, 32);
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obj[QStringLiteral("timestamp")] = u64ToString(block.header.timestamp);
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obj[QStringLiteral("signature")] = bytesToHex(block.header.signature.data, 64);
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obj[QStringLiteral("bedrock_status")] = bedrockStatusToString(block.bedrock_status);
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QJsonArray transactions;
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for (uintptr_t i = 0; i < block.body.len; ++i) {
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transactions.append(ffiTransactionToJson(block.body.entries[i]));
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}
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obj[QStringLiteral("transactions")] = transactions;
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return obj;
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}
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QString jsonToCompactString(const QJsonObject& obj) {
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return QString::fromUtf8(QJsonDocument(obj).toJson(QJsonDocument::Compact));
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}
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QString jsonToCompactString(const QJsonArray& arr) {
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return QString::fromUtf8(QJsonDocument(arr).toJson(QJsonDocument::Compact));
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}
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} // namespace marshalling
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