Add missing block fields to the type used for eth_getBlockByNumber and eth_getBlockByHash

api/api.go

@@ -277,34 +277,12 @@ func (b *BlockChainAPI) GetBlockByHash(
 	hash common.Hash,
 	fullTx bool,
 ) (*Block, error) {
-	bl, err := b.blocks.GetByID(hash)
+	block, err := b.blocks.GetByID(hash)
 	if err != nil {
 		return handleError[*Block](b.logger, err)
 	}
 
-	h, err := bl.Hash()
-	if err != nil {
-		b.logger.Error().Err(err).Msg("failed to calculate hash for block by hash")
-		return nil, errs.ErrInternal
-	}
-
-	block := &Block{
-		Hash:         h,
-		Number:       hexutil.Uint64(bl.Height),
-		ParentHash:   bl.ParentBlockHash,
-		ReceiptsRoot: bl.ReceiptRoot,
-		Transactions: bl.TransactionHashes,
-	}
-
-	if fullTx {
-		transactions, err := b.fetchBlockTransactions(ctx, bl)
-		if err != nil {
-			return nil, err
-		}
-		block.Transactions = transactions
-	}
-
-	return block, nil
+	return b.prepareBlockResponse(ctx, block, fullTx)
 }
 
 // GetBlockByNumber returns the requested canonical block.
@@ -329,34 +307,12 @@ func (b *BlockChainAPI) GetBlockByNumber(
 		}
 	}
 
-	bl, err := b.blocks.GetByHeight(height)
+	block, err := b.blocks.GetByHeight(height)
 	if err != nil {
 		return handleError[*Block](b.logger, err)
 	}
 
-	h, err := bl.Hash()
-	if err != nil {
-		b.logger.Error().Err(err).Msg("failed to calculate hash for block by number")
-		return nil, errs.ErrInternal
-	}
-
-	block := &Block{
-		Hash:         h,
-		Number:       hexutil.Uint64(bl.Height),
-		ParentHash:   bl.ParentBlockHash,
-		ReceiptsRoot: bl.ReceiptRoot,
-		Transactions: bl.TransactionHashes,
-	}
-
-	if fullTx {
-		transactions, err := b.fetchBlockTransactions(ctx, bl)
-		if err != nil {
-			return nil, err
-		}
-		block.Transactions = transactions
-	}
-
-	return block, nil
+	return b.prepareBlockResponse(ctx, block, fullTx)
 }
 
 // GetBlockReceipts returns the block receipts for the given block hash or number or tag.
@@ -791,3 +747,44 @@ func (b *BlockChainAPI) fetchBlockTransactions(
 
 	return transactions, nil
 }
+
+func (b *BlockChainAPI) prepareBlockResponse(
+	ctx context.Context,
+	block *evmTypes.Block,
+	fullTx bool,
+) (*Block, error) {
+	h, err := block.Hash()
+	if err != nil {
+		b.logger.Error().Err(err).Msg("failed to calculate hash for block by number")
+		return nil, errs.ErrInternal
+	}
+
+	blockResponse := &Block{
+		Hash:         h,
+		Number:       hexutil.Uint64(block.Height),
+		ParentHash:   block.ParentBlockHash,
+		ReceiptsRoot: block.ReceiptRoot,
+		Transactions: block.TransactionHashes,
+		Uncles:       []common.Hash{},
+		GasLimit:     hexutil.Uint64(15_000_000),
+		Nonce:        types.BlockNonce{0x1},
+	}
+
+	transactions, err := b.fetchBlockTransactions(ctx, block)
+	if err != nil {
+		return nil, err
+	}
+	if len(transactions) > 0 {
+		totalGasUsed := hexutil.Uint64(0)
+		for _, tx := range transactions {
+			totalGasUsed += tx.Gas
+		}
+		blockResponse.GasUsed = totalGasUsed
+	}
+
+	if fullTx {
+		blockResponse.Transactions = transactions
+	}
+
+	return blockResponse, nil
+}

api/models.go

@@ -134,10 +134,24 @@ type BlockOverrides struct {
 }
 
 type Block struct {
-	Hash         common.Hash    `json:"hash"`
-	Number       hexutil.Uint64 `json:"number"`
-	ParentHash   common.Hash    `json:"parentHash"`
-	ReceiptsRoot common.Hash    `json:"receiptsRoot"`
-	Transactions interface{}    `json:"transactions"`
-	// todo add more fields needed
+	Number           hexutil.Uint64   `json:"number"`
+	Hash             common.Hash      `json:"hash"`
+	ParentHash       common.Hash      `json:"parentHash"`
+	Nonce            types.BlockNonce `json:"nonce"`
+	Sha3Uncles       common.Hash      `json:"sha3Uncles"`
+	LogsBloom        hexutil.Bytes    `json:"logsBloom"`
+	TransactionsRoot common.Hash      `json:"transactionsRoot"`
+	StateRoot        common.Hash      `json:"stateRoot"`
+	ReceiptsRoot     common.Hash      `json:"receiptsRoot"`
+	Miner            common.Address   `json:"miner"`
+	Difficulty       hexutil.Uint64   `json:"difficulty"`
+	TotalDifficulty  hexutil.Uint64   `json:"totalDifficulty"`
+	ExtraData        hexutil.Bytes    `json:"extraData"`
+	Size             hexutil.Uint64   `json:"size"`
+	GasLimit         hexutil.Uint64   `json:"gasLimit"`
+	GasUsed          hexutil.Uint64   `json:"gasUsed"`
+	Timestamp        hexutil.Uint64   `json:"timestamp"`
+	Transactions     interface{}      `json:"transactions"`
+	Uncles           []common.Hash    `json:"uncles"`
+	MixHash          common.Hash      `json:"mixHash"`
 }

config/config.go

@@ -81,7 +81,7 @@ func FromFlags() (*Config, error) {
 	flag.StringVar(&keysPath, "coa-key-file", "", "File path that contains JSON array of COA keys used in key-rotation mechanism, this is exclusive with coa-key flag.")
 	flag.BoolVar(&cfg.CreateCOAResource, "coa-resource-create", false, "Auto-create the COA resource in the Flow COA account provided if one doesn't exist")
 	flag.StringVar(&logLevel, "log-level", "debug", "Define verbosity of the log output ('debug', 'info', 'error')")
-	flag.StringVar(&filterExpiry, "filter-expiry", "5min", "Filter defines the time it takes for an idle filter to expire")
+	flag.StringVar(&filterExpiry, "filter-expiry", "5m", "Filter defines the time it takes for an idle filter to expire")
 	flag.Parse()
 
 	if coinbase == "" {