From 3a983d2419cdd053f5e03193794d1663c841f4b2 Mon Sep 17 00:00:00 2001
From: Taylor Gerring <taylor.gerring@gmail.com>
Date: Fri, 3 Jul 2015 11:20:07 -0500
Subject: [PATCH] Initial getTransactionReceipt support

---
 rpc/api/eth.go     | 20 ++++++++++++++++++++
 rpc/api/parsing.go | 23 +++++++++++++++++++++++
 2 files changed, 43 insertions(+)

diff --git a/rpc/api/eth.go b/rpc/api/eth.go
index db0b4b024..c556c739f 100644
--- a/rpc/api/eth.go
+++ b/rpc/api/eth.go
@@ -77,6 +77,7 @@ var (
 		"eth_submitWork":                          (*ethApi).SubmitWork,
 		"eth_resend":                              (*ethApi).Resend,
 		"eth_pendingTransactions":                 (*ethApi).PendingTransactions,
+		"eth_getTransactionReceipt":               (*ethApi).GetTransactionReceipt,
 	}
 )
 
@@ -596,3 +597,22 @@ func (self *ethApi) PendingTransactions(req *shared.Request) (interface{}, error
 
 	return ltxs, nil
 }
+
+func (self *ethApi) GetTransactionReceipt(req *shared.Request) (interface{}, error) {
+	args := new(HashArgs)
+	if err := self.codec.Decode(req.Params, &args); err != nil {
+		return nil, shared.NewDecodeParamError(err.Error())
+	}
+
+	rec, _ := self.xeth.GetTxReceipt(common.StringToHash(args.Hash))
+	// We could have an error of "not found". Should disambiguate
+	// if err != nil {
+	// 	return err, nil
+	// }
+	if rec != nil {
+		v := NewReceiptRes(rec)
+		return v, nil
+	}
+
+	return nil, nil
+}
diff --git a/rpc/api/parsing.go b/rpc/api/parsing.go
index 632462c31..d1f9ccac2 100644
--- a/rpc/api/parsing.go
+++ b/rpc/api/parsing.go
@@ -402,6 +402,29 @@ func NewUncleRes(h *types.Header) *UncleRes {
 // 	WorkProved string `json:"workProved"`
 // }
 
+type ReceiptRes struct {
+	TransactionHash   *hexdata       `json:transactionHash`
+	TransactionIndex  *hexnum        `json:transactionIndex`
+	BlockNumber       *hexnum        `json:blockNumber`
+	BlockHash         *hexdata       `json:blockHash`
+	CumulativeGasUsed *hexnum        `json:cumulativeGasUsed`
+	GasUsed           *hexnum        `json:gasUsed`
+	ContractAddress   *hexdata       `json:contractAddress`
+	Logs              *[]interface{} `json:logs`
+}
+
+func NewReceiptRes(rec *types.Receipt) *ReceiptRes {
+	if rec == nil {
+		return nil
+	}
+
+	var v = new(ReceiptRes)
+	// TODO fill out rest of object
+	v.CumulativeGasUsed = newHexNum(rec.CumulativeGasUsed)
+
+	return v
+}
+
 func numString(raw interface{}) (*big.Int, error) {
 	var number *big.Int
 	// Parse as integer