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32 lines
742 B
32 lines
742 B
package types
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import (
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"github.com/tendermint/go-merkle"
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)
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type Tx []byte
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// NOTE: this is the hash of the go-wire encoded Tx.
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// Tx has no types at this level, so just length-prefixed.
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// Alternatively, it may make sense to add types here and let
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// []byte be type 0x1 so we can have versioned txs if need be in the future.
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func (tx Tx) Hash() []byte {
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return merkle.SimpleHashFromBinary(tx)
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}
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type Txs []Tx
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func (txs Txs) Hash() []byte {
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// Recursive impl.
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// Copied from go-merkle to avoid allocations
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switch len(txs) {
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case 0:
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return nil
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case 1:
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return txs[0].Hash()
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default:
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left := Txs(txs[:(len(txs)+1)/2]).Hash()
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right := Txs(txs[(len(txs)+1)/2:]).Hash()
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return merkle.SimpleHashFromTwoHashes(left, right)
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}
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}
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