Use BlockNonce type for marshaling nonce fields for blocks

rpc/eth/types.go

@@ -8,6 +8,7 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	ethtypes "github.com/ethereum/go-ethereum/core/types"
 	"github.com/harmony-one/harmony/core/types"
+	hmytypes "github.com/harmony-one/harmony/core/types"
 	internal_common "github.com/harmony-one/harmony/internal/common"
 	rpc_common "github.com/harmony-one/harmony/rpc/common"
 )
@@ -17,7 +18,7 @@ type Block struct {
 	Number     *hexutil.Big        `json:"number"`
 	Hash       common.Hash         `json:"hash"`
 	ParentHash common.Hash         `json:"parentHash"`
-	Nonce      uint64       `json:"nonce"`
+	Nonce      hmytypes.BlockNonce `json:"nonce"`
 	MixHash    common.Hash         `json:"mixHash"`
 	//UncleHash   common.Hash    `json:"sha3Uncles" - used in Ethereum RPC:s
 	LogsBloom        ethtypes.Bloom `json:"logsBloom"`
@@ -161,12 +162,12 @@ func newBlock(b *types.Block, leader common.Address) *Block {
 		Number:           (*hexutil.Big)(head.Number()),
 		Hash:             b.Hash(),
 		ParentHash:       head.ParentHash(),
-		Nonce:            0, // Remove this because we don't have it in our header
+		Nonce:            hmytypes.BlockNonce{}, // Legacy comment from hmy -> eth RPC porting: "Remove this because we don't have it in our header"
 		MixHash:          head.MixDigest(),
 		LogsBloom:        head.Bloom(),
 		StateRoot:        head.Root(),
 		Miner:            leader,
-		Difficulty:       (*hexutil.Big)(big.NewInt(0)), // Remove this because we don't have it in our header
+		Difficulty:       (*hexutil.Big)(big.NewInt(0)), // Legacy comment from hmy -> eth RPC porting: "Remove this because we don't have it in our header"
 		ExtraData:        hexutil.Bytes(head.Extra()),
 		Size:             hexutil.Uint64(b.Size()),
 		GasLimit:         hexutil.Uint64(head.GasLimit()),