Use ok_or for constants, rather than a redudant closure
* Use ok_or for constants in zebra-network * Use ok_or for constants in zebra-consensus
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@ -15,7 +15,7 @@ pub fn is_coinbase_first(block: &Block) -> Result<(), Error> {
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let first = block
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.transactions
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.get(0)
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.ok_or_else(|| "block has no transactions")?;
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.ok_or("block has no transactions")?;
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let mut rest = block.transactions.iter().skip(1);
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if !first.is_coinbase() {
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return Err("first transaction must be coinbase".into());
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@ -262,7 +262,7 @@ where
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let remote_msg = stream
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.next()
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.await
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.ok_or_else(|| HandshakeError::ConnectionClosed)??;
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.ok_or(HandshakeError::ConnectionClosed)??;
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// Check that we got a Version and destructure its fields into the local scope.
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debug!(?remote_msg, "got message from remote peer");
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@ -295,7 +295,7 @@ where
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let remote_msg = stream
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.next()
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.await
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.ok_or_else(|| HandshakeError::ConnectionClosed)??;
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.ok_or(HandshakeError::ConnectionClosed)??;
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if let Message::Verack = remote_msg {
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debug!("got verack from remote peer");
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} else {
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