get rid of all vars

chain/types/ethtypes/eth_types.go

@@ -188,31 +188,24 @@ type EthBlock struct {
 const EthBloomSize = 2048
 
 var (
-	EmptyEthBloom  = [EthBloomSize / 8]byte{}
-	FullEthBloom   = [EthBloomSize / 8]byte{}
 	EmptyEthHash   = EthHash{}
 	EmptyUncleHash = must.One(ParseEthHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347")) // Keccak-256 of an RLP of an empty array
 	EmptyRootHash  = must.One(ParseEthHash("0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")) // Keccak-256 hash of the RLP of null
 	EmptyEthInt    = EthUint64(0)
 	EmptyEthNonce  = [8]byte{0, 0, 0, 0, 0, 0, 0, 0}
 )
 
-func init() {
-	for i := range FullEthBloom {
-		FullEthBloom[i] = 0xff
-	}
-}
-
 func NewEmptyEthBloom() []byte {
-	b := make([]byte, len(EmptyEthBloom))
-	copy(b, EmptyEthBloom[:])
-	return b
+	eb := [EthBloomSize / 8]byte{}
+	return eb[:]
 }
 
 func NewFullEthBloom() []byte {
-	b := make([]byte, len(FullEthBloom))
-	copy(b, FullEthBloom[:])
-	return b
+	fb := [EthBloomSize / 8]byte{}
+	for i := range fb {
+		fb[i] = 0xff
+	}
+	return fb[:]
 }
 
 func NewEthBlock(hasTransactions bool, tipsetLen int) EthBlock {