diff options
Diffstat (limited to 'consensus/ethash/algorithm_test.go')
| -rw-r--r-- | consensus/ethash/algorithm_test.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/consensus/ethash/algorithm_test.go b/consensus/ethash/algorithm_test.go index 841e39233..f0c6465fd 100644 --- a/consensus/ethash/algorithm_test.go +++ b/consensus/ethash/algorithm_test.go @@ -18,6 +18,7 @@ package ethash import ( "bytes" + "encoding/binary" "io/ioutil" "math/big" "os" @@ -30,6 +31,15 @@ import ( "github.com/ethereum/go-ethereum/core/types" ) +// prepare converts an ethash cache or dataset from a byte stream into the internal +// int representation. All ethash methods work with ints to avoid constant byte to +// int conversions as well as to handle both little and big endian systems. +func prepare(dest []uint32, src []byte) { + for i := 0; i < len(dest); i++ { + dest[i] = binary.LittleEndian.Uint32(src[i*4:]) + } +} + // Tests whether the dataset size calculator works correctly by cross checking the // hard coded lookup table with the value generated by it. func TestSizeCalculations(t *testing.T) { |