#include "Transaction.h"
#include "VarInt.h"

Transaction::Transaction(const std::byte *data) {
    _version = *((uint32_t*)data);
    VarInt inputCount(data + sizeof(_version));
    const std::byte* curPtr = data + sizeof(_version) + inputCount.size();

    for(size_t i = 0; i < inputCount.value(); ++i) {
        TxInput input(curPtr);
        curPtr += input.size();
        _inputs.emplace_back(std::move(input));
    }

    VarInt outputCount(curPtr);
    curPtr += outputCount.size();
    for(size_t i = 0; i < outputCount.value(); ++i) {
        TxOutput output(curPtr);
        curPtr += output.size();
        _outputs.emplace_back(std::move(output));
    }

    _lockTime = *((uint32_t*)curPtr);
    _size = curPtr - data + sizeof(_lockTime);
}

size_t Transaction::size() const {
    return _size;
}