Merge pull request #15042 from rjl493456442/receipt_rpc

internal/ethapi: add status code to receipt rpc return

Author: karalabe

core/database_util_test.go

@@ -336,7 +336,7 @@ func TestBlockReceiptStorage(t *testing.T) {
 	db, _ := ethdb.NewMemDatabase()
 
 	receipt1 := &types.Receipt{
-		Failed:            true,
+		Status:            types.ReceiptStatusFailed,
 		CumulativeGasUsed: big.NewInt(1),
 		Logs: []*types.Log{
 			{Address: common.BytesToAddress([]byte{0x11})},

core/types/gen_receipt_json.go

@@ -30,15 +30,23 @@ import (
 //go:generate gencodec -type Receipt -field-override receiptMarshaling -out gen_receipt_json.go
 
 var (
-	receiptStatusFailed     = []byte{}
-	receiptStatusSuccessful = []byte{0x01}
+	receiptStatusFailedRLP     = []byte{}
+	receiptStatusSuccessfulRLP = []byte{0x01}
+)
+
+const (
+	// ReceiptStatusFailed is the status code of a transaction if execution failed.
+	ReceiptStatusFailed = uint(0)
+
+	// ReceiptStatusSuccessful is the status code of a transaction if execution succeeded.
+	ReceiptStatusSuccessful = uint(1)
 )
 
 // Receipt represents the results of a transaction.
 type Receipt struct {
 	// Consensus fields
 	PostState         []byte   `json:"root"`
-	Failed            bool     `json:"failed"`
+	Status            uint     `json:"status"`
 	CumulativeGasUsed *big.Int `json:"cumulativeGasUsed" gencodec:"required"`
 	Bloom             Bloom    `json:"logsBloom"         gencodec:"required"`
 	Logs              []*Log   `json:"logs"              gencodec:"required"`
@@ -51,6 +59,7 @@ type Receipt struct {
 
 type receiptMarshaling struct {
 	PostState         hexutil.Bytes
+	Status            hexutil.Uint
 	CumulativeGasUsed *hexutil.Big
 	GasUsed           *hexutil.Big
 }
@@ -75,7 +84,13 @@ type receiptStorageRLP struct {
 
 // NewReceipt creates a barebone transaction receipt, copying the init fields.
 func NewReceipt(root []byte, failed bool, cumulativeGasUsed *big.Int) *Receipt {
-	return &Receipt{PostState: common.CopyBytes(root), Failed: failed, CumulativeGasUsed: new(big.Int).Set(cumulativeGasUsed)}
+	r := &Receipt{PostState: common.CopyBytes(root), CumulativeGasUsed: new(big.Int).Set(cumulativeGasUsed)}
+	if failed {
+		r.Status = ReceiptStatusFailed
+	} else {
+		r.Status = ReceiptStatusSuccessful
+	}
+	return r
 }
 
 // EncodeRLP implements rlp.Encoder, and flattens the consensus fields of a receipt
@@ -100,10 +115,10 @@ func (r *Receipt) DecodeRLP(s *rlp.Stream) error {
 
 func (r *Receipt) setStatus(postStateOrStatus []byte) error {
 	switch {
-	case bytes.Equal(postStateOrStatus, receiptStatusSuccessful):
-		r.Failed = false
-	case bytes.Equal(postStateOrStatus, receiptStatusFailed):
-		r.Failed = true
+	case bytes.Equal(postStateOrStatus, receiptStatusSuccessfulRLP):
+		r.Status = ReceiptStatusSuccessful
+	case bytes.Equal(postStateOrStatus, receiptStatusFailedRLP):
+		r.Status = ReceiptStatusFailed
 	case len(postStateOrStatus) == len(common.Hash{}):
 		r.PostState = postStateOrStatus
 	default:
@@ -114,19 +129,18 @@ func (r *Receipt) setStatus(postStateOrStatus []byte) error {
 
 func (r *Receipt) statusEncoding() []byte {
 	if len(r.PostState) == 0 {
-		if r.Failed {
-			return receiptStatusFailed
-		} else {
-			return receiptStatusSuccessful
+		if r.Status == ReceiptStatusFailed {
+			return receiptStatusFailedRLP
 		}
+		return receiptStatusSuccessfulRLP
 	}
 	return r.PostState
 }
 
 // String implements the Stringer interface.
 func (r *Receipt) String() string {
-	if r.PostState == nil {
-		return fmt.Sprintf("receipt{failed=%t cgas=%v bloom=%x logs=%v}", r.Failed, r.CumulativeGasUsed, r.Bloom, r.Logs)
+	if len(r.PostState) == 0 {
+		return fmt.Sprintf("receipt{status=%d cgas=%v bloom=%x logs=%v}", r.Status, r.CumulativeGasUsed, r.Bloom, r.Logs)
 	}
 	return fmt.Sprintf("receipt{med=%x cgas=%v bloom=%x logs=%v}", r.PostState, r.CumulativeGasUsed, r.Bloom, r.Logs)
 }

core/types/receipt.go

@@ -991,7 +991,6 @@ func (s *PublicTransactionPoolAPI) GetTransactionReceipt(hash common.Hash) (map[
 	from, _ := types.Sender(signer, tx)
 
 	fields := map[string]interface{}{
-		"root":              hexutil.Bytes(receipt.PostState),
 		"blockHash":         blockHash,
 		"blockNumber":       hexutil.Uint64(blockNumber),
 		"transactionHash":   hash,
@@ -1004,6 +1003,13 @@ func (s *PublicTransactionPoolAPI) GetTransactionReceipt(hash common.Hash) (map[
 		"logs":              receipt.Logs,
 		"logsBloom":         receipt.Bloom,
 	}
+
+	// Assign receipt status or post state.
+	if len(receipt.PostState) > 0 {
+		fields["root"] = hexutil.Bytes(receipt.PostState)
+	} else {
+		fields["status"] = hexutil.Uint(receipt.Status)
+	}
 	if receipt.Logs == nil {
 		fields["logs"] = [][]*types.Log{}
 	}