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integrating the existing state of TON Storage / TON Payments / CPS Fift development branches
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parent
040df63c98
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153 changed files with 10760 additions and 1695 deletions
69
storage/Bitset.h
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69
storage/Bitset.h
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#pragma once
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#include "td/utils/Slice.h"
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#include "td/utils/logging.h"
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namespace td {
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struct Bitset {
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public:
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td::Slice as_slice() const {
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return td::Slice(bits_).substr(0, (bits_size_ + 7) / 8);
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}
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bool get(size_t offset) const {
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auto i = offset / 8;
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if (i >= bits_.size()) {
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return false;
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}
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auto bit_i = offset % 8;
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return (bits_[i] & (1 << bit_i)) != 0;
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}
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void reserve(size_t offset) {
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auto i = offset / 8;
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if (i >= bits_.size()) {
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bits_.resize(i + 1);
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}
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}
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bool set_one(size_t offset) {
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auto i = offset / 8;
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auto bit_i = offset % 8;
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bits_size_ = std::max(bits_size_, offset + 1);
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if (i >= bits_.size()) {
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bits_.resize(std::max(i + 1, bits_.size() * 2));
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}
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auto mask = 1 << bit_i;
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if ((bits_[i] & mask) == 0) {
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bits_[i] |= mask;
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count_++;
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return true;
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}
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return false;
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}
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size_t ones_count() const {
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return count_;
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}
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void set_raw(std::string bits) {
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bits_ = std::move(bits);
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bits_size_ = 0;
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count_ = 0;
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for (size_t n = size(), i = 0; i < n; i++) {
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if (get(i)) {
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count_++;
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bits_size_ = i + 1;
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}
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}
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}
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size_t size() const {
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return bits_.size() * 8;
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}
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private:
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std::string bits_;
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size_t bits_size_{0};
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size_t count_{0};
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};
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} // namespace td
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