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