block size
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@ -10,6 +10,7 @@ use utils;
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const BLOCK_MAX_FUTURE: i64 = 2 * 60 * 60; // 2 hours
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const COINBASE_MATURITY: u32 = 100; // 2 hours
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const MAX_BLOCK_SIGOPS: usize = 20000;
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const MAX_BLOCK_SIZE: usize = 1000000;
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pub struct ChainVerifier {
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store: Arc<db::Store>,
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@ -168,19 +169,23 @@ impl Verify for ChainVerifier {
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return Err(Error::MerkleRoot);
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}
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let size = ::serialization::Serializable::serialized_size(block);
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if size >= MAX_BLOCK_SIZE {
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return Err(Error::Size(size))
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}
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// check first transaction is a coinbase transaction
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if !block.transactions()[0].is_coinbase() {
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return Err(Error::Coinbase)
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}
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else {
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// check that coinbase does not have a signature
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// check that coinbase has a valid signature
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let coinbase = &block.transactions()[0];
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// is_coinbase() = true above guarantees that there is at least one input
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let coinbase_script_len = coinbase.inputs[0].script_sig().len();
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if coinbase_script_len < 2 || coinbase_script_len > 100 {
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return Err(Error::CoinbaseSignatureLength(coinbase_script_len));
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}
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}
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// verify transactions (except coinbase)
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let mut block_sigops = try!(
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@ -52,6 +52,8 @@ pub enum Error {
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MaximumSigops,
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/// Coinbase signature is not in the range 2-100
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CoinbaseSignatureLength(usize),
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/// Block size is invalid
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Size(usize),
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}
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#[derive(Debug, PartialEq)]
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