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61 lines
1.4 KiB
61 lines
1.4 KiB
package binary
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import (
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"bytes"
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"crypto/sha256"
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"github.com/tendermint/tendermint/Godeps/_workspace/src/code.google.com/p/go.crypto/ripemd160"
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)
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// THESE PANICS ARE SANITY CHECKS
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func BinaryBytes(o interface{}) []byte {
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w, n, err := new(bytes.Buffer), new(int64), new(error)
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WriteBinary(o, w, n, err)
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if *err != nil {
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panic(*err)
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}
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return w.Bytes()
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}
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func JSONBytes(o interface{}) []byte {
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w, n, err := new(bytes.Buffer), new(int64), new(error)
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WriteJSON(o, w, n, err)
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if *err != nil {
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panic(*err)
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}
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return w.Bytes()
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}
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// NOTE: does not care about the type, only the binary representation.
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func BinaryEqual(a, b interface{}) bool {
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aBytes := BinaryBytes(a)
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bBytes := BinaryBytes(b)
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return bytes.Equal(aBytes, bBytes)
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}
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// NOTE: does not care about the type, only the binary representation.
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func BinaryCompare(a, b interface{}) int {
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aBytes := BinaryBytes(a)
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bBytes := BinaryBytes(b)
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return bytes.Compare(aBytes, bBytes)
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}
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// NOTE: only use this if you need 32 bytes.
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func BinarySha256(o interface{}) []byte {
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hasher, n, err := sha256.New(), new(int64), new(error)
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WriteBinary(o, hasher, n, err)
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if *err != nil {
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panic(*err)
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}
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return hasher.Sum(nil)
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}
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// NOTE: The default hash function is Ripemd160.
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func BinaryRipemd160(o interface{}) []byte {
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hasher, n, err := ripemd160.New(), new(int64), new(error)
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WriteBinary(o, hasher, n, err)
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if *err != nil {
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panic(*err)
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}
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return hasher.Sum(nil)
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}
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