Esempio n. 1
0
block_type genesis_block()
{
    block_type genesis;
    genesis.version = 1;
    genesis.previous_block_hash = null_hash;
    genesis.merkle = 
        hash_digest{0x4a, 0x5e, 0x1e, 0x4b, 0xaa, 0xb8, 0x9f, 0x3a,
                    0x32, 0x51, 0x8a, 0x88, 0xc3, 0x1b, 0xc8, 0x7f,
                    0x61, 0x8f, 0x76, 0x67, 0x3e, 0x2c, 0xc7, 0x7a, 
                    0xb2, 0x12, 0x7b, 0x7a, 0xfd, 0xed, 0xa3, 0x3b};
    genesis.timestamp = 1231006505;
    genesis.bits = 0x1d00ffff;
    genesis.nonce = 2083236893;

    transaction_type coinbase_tx;
    coinbase_tx.version = 1;
    coinbase_tx.locktime = 0;

    transaction_input_type coinbase_input;
    coinbase_input.previous_output.hash = null_hash;
    coinbase_input.previous_output.index = 
        std::numeric_limits<uint32_t>::max();
    // The Times 03/Jan/2009 Chancellor on brink of second bailout for banks
    coinbase_input.input_script = coinbase_script(
        data_chunk{0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, 0x45, 
                   0x54, 0x68, 0x65, 0x20, 0x54, 0x69, 0x6d, 0x65, 
                   0x73, 0x20, 0x30, 0x33, 0x2f, 0x4a, 0x61, 0x6e, 
                   0x2f, 0x32, 0x30, 0x30, 0x39, 0x20, 0x43, 0x68, 
                   0x61, 0x6e, 0x63, 0x65, 0x6c, 0x6c, 0x6f, 0x72, 
                   0x20, 0x6f, 0x6e, 0x20, 0x62, 0x72, 0x69, 0x6e, 
                   0x6b, 0x20, 0x6f, 0x66, 0x20, 0x73, 0x65, 0x63, 
                   0x6f, 0x6e, 0x64, 0x20, 0x62, 0x61, 0x69, 0x6c, 
                   0x6f, 0x75, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 
                   0x62, 0x61, 0x6e, 0x6b, 0x73});
    coinbase_input.sequence = std::numeric_limits<uint32_t>::max();
    coinbase_tx.inputs.push_back(coinbase_input);

    transaction_output_type coinbase_output;
    coinbase_output.value = coin_price(50);
    coinbase_output.output_script.push_operation(
        operation{opcode::special, 
            data_chunk{0x04, 0x67, 0x8a, 0xfd, 0xb0, 0xfe, 0x55, 0x48, 
                       0x27, 0x19, 0x67, 0xf1, 0xa6, 0x71, 0x30, 0xb7, 
                       0x10, 0x5c, 0xd6, 0xa8, 0x28, 0xe0, 0x39, 0x09, 
                       0xa6, 0x79, 0x62, 0xe0, 0xea, 0x1f, 0x61, 0xde, 
                       0xb6, 0x49, 0xf6, 0xbc, 0x3f, 0x4c, 0xef, 0x38, 
                       0xc4, 0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, 0x12, 
                       0xde, 0x5c, 0x38, 0x4d, 0xf7, 0xba, 0x0b, 0x8d, 
                       0x57, 0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d, 
                       0x5f}});
    coinbase_output.output_script.push_operation(
        operation{opcode::checksig, data_chunk()});
    coinbase_tx.outputs.push_back(coinbase_output);

    genesis.transactions.push_back(coinbase_tx);
    BITCOIN_ASSERT(genesis.transactions.size() == 1);
    BITCOIN_ASSERT(
        generate_merkle_root(genesis.transactions) == genesis.merkle);
    return genesis;
}
Esempio n. 2
0
std::string satoshi_to_btc(uint64_t value)
{
    uint64_t major = value / coin_price(1);
    std::string result = boost::lexical_cast<std::string>(major);
    BITCOIN_ASSERT(value >= major);
    uint64_t minor = value - (major * coin_price(1));
    BITCOIN_ASSERT(minor < coin_price(1));
    if (minor > 0)
    {
        std::string minor_str = boost::lexical_cast<std::string>(minor);
        std::string padded_minor(8 - minor_str.size(), '0');
        padded_minor += minor_str;
        boost::algorithm::trim_right_if(padded_minor,
            boost::is_any_of("0"));
        result = result + "." + padded_minor;
    }
    return result;
}