From 2f3a9681360f5326137de3aeb0aa8e2130de562a Mon Sep 17 00:00:00 2001
From: Taylor Gerring <taylor.gerring@gmail.com>
Date: Mon, 30 Mar 2015 16:20:30 +0200
Subject: New CallArgs
Requirements for calls differ from transactions
---
rpc/api.go | 2 +-
rpc/args.go | 87 +++++++++++++++++
rpc/args_test.go | 277 +++++++++++++++++++++++++++++++++++++++++++++++++++++--
3 files changed, 357 insertions(+), 9 deletions(-)
diff --git a/rpc/api.go b/rpc/api.go
index 502079177..bcd073ed2 100644
--- a/rpc/api.go
+++ b/rpc/api.go
@@ -159,7 +159,7 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
}
*reply = v
case "eth_call":
- args := new(NewTxArgs)
+ args := new(CallArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
return err
}
diff --git a/rpc/args.go b/rpc/args.go
index 25a6c7a4f..dd013147d 100644
--- a/rpc/args.go
+++ b/rpc/args.go
@@ -238,6 +238,93 @@ func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
return nil
}
+type CallArgs struct {
+ From string
+ To string
+ Value *big.Int
+ Gas *big.Int
+ GasPrice *big.Int
+ Data string
+
+ BlockNumber int64
+}
+
+func (args *CallArgs) UnmarshalJSON(b []byte) (err error) {
+ var obj []json.RawMessage
+ var ext struct {
+ From string
+ To string
+ Value interface{}
+ Gas interface{}
+ GasPrice interface{}
+ Data string
+ }
+
+ // Decode byte slice to array of RawMessages
+ if err := json.Unmarshal(b, &obj); err != nil {
+ return NewDecodeParamError(err.Error())
+ }
+
+ // Check for sufficient params
+ if len(obj) < 1 {
+ return NewInsufficientParamsError(len(obj), 1)
+ }
+
+ // Decode 0th RawMessage to temporary struct
+ if err := json.Unmarshal(obj[0], &ext); err != nil {
+ return NewDecodeParamError(err.Error())
+ }
+
+ if len(ext.From) == 0 {
+ return NewValidationError("from", "is required")
+ }
+ args.From = ext.From
+
+ if len(ext.To) == 0 {
+ return NewValidationError("to", "is required")
+ }
+ args.To = ext.To
+
+ var num int64
+ if ext.Value == nil {
+ num = int64(0)
+ } else {
+ if err := numString(ext.Value, &num); err != nil {
+ return err
+ }
+ }
+ args.Value = big.NewInt(num)
+
+ if ext.Gas == nil {
+ num = int64(0)
+ } else {
+ if err := numString(ext.Gas, &num); err != nil {
+ return err
+ }
+ }
+ args.Gas = big.NewInt(num)
+
+ if ext.GasPrice == nil {
+ num = int64(0)
+ } else {
+ if err := numString(ext.GasPrice, &num); err != nil {
+ return err
+ }
+ }
+ args.GasPrice = big.NewInt(num)
+
+ args.Data = ext.Data
+
+ // Check for optional BlockNumber param
+ if len(obj) > 1 {
+ if err := blockHeightFromJson(obj[1], &args.BlockNumber); err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
+
type GetStorageArgs struct {
Address string
BlockNumber int64
diff --git a/rpc/args_test.go b/rpc/args_test.go
index 602631b67..3635882c0 100644
--- a/rpc/args_test.go
+++ b/rpc/args_test.go
@@ -531,14 +531,275 @@ func TestNewTxArgsFromEmpty(t *testing.T) {
input := `[{"to": "0xb60e8dd61c5d32be8058bb8eb970870f07233155"}]`
args := new(NewTxArgs)
- err := json.Unmarshal([]byte(input), &args)
- switch err.(type) {
- case nil:
- t.Error("Expected error but didn't get one")
- case *ValidationError:
- break
- default:
- t.Errorf("Expected *rpc.ValidationError, but got %T with message `%s`", err, err.Error())
+ str := ExpectValidationError(json.Unmarshal([]byte(input), &args))
+ if len(str) > 0 {
+ t.Error(str)
+ }
+}
+
+func TestCallArgs(t *testing.T) {
+ input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+ "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+ "gas": "0x76c0",
+ "gasPrice": "0x9184e72a000",
+ "value": "0x9184e72a000",
+ "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"},
+ "0x10"]`
+ expected := new(CallArgs)
+ expected.From = "0xb60e8dd61c5d32be8058bb8eb970870f07233155"
+ expected.To = "0xd46e8dd67c5d32be8058bb8eb970870f072445675"
+ expected.Gas = big.NewInt(30400)
+ expected.GasPrice = big.NewInt(10000000000000)
+ expected.Value = big.NewInt(10000000000000)
+ expected.Data = "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+ expected.BlockNumber = big.NewInt(16).Int64()
+
+ args := new(CallArgs)
+ if err := json.Unmarshal([]byte(input), &args); err != nil {
+ t.Error(err)
+ }
+
+ if expected.From != args.From {
+ t.Errorf("From shoud be %#v but is %#v", expected.From, args.From)
+ }
+
+ if expected.To != args.To {
+ t.Errorf("To shoud be %#v but is %#v", expected.To, args.To)
+ }
+
+ if bytes.Compare(expected.Gas.Bytes(), args.Gas.Bytes()) != 0 {
+ t.Errorf("Gas shoud be %#v but is %#v", expected.Gas.Bytes(), args.Gas.Bytes())
+ }
+
+ if bytes.Compare(expected.GasPrice.Bytes(), args.GasPrice.Bytes()) != 0 {
+ t.Errorf("GasPrice shoud be %#v but is %#v", expected.GasPrice, args.GasPrice)
+ }
+
+ if bytes.Compare(expected.Value.Bytes(), args.Value.Bytes()) != 0 {
+ t.Errorf("Value shoud be %#v but is %#v", expected.Value, args.Value)
+ }
+
+ if expected.Data != args.Data {
+ t.Errorf("Data shoud be %#v but is %#v", expected.Data, args.Data)
+ }
+
+ if expected.BlockNumber != args.BlockNumber {
+ t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+ }
+}
+
+func TestCallArgsInt(t *testing.T) {
+ input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+ "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+ "gas": 100,
+ "gasPrice": 50,
+ "value": 8765456789,
+ "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"},
+ 5]`
+ expected := new(CallArgs)
+ expected.Gas = big.NewInt(100)
+ expected.GasPrice = big.NewInt(50)
+ expected.Value = big.NewInt(8765456789)
+ expected.BlockNumber = int64(5)
+
+ args := new(CallArgs)
+ if err := json.Unmarshal([]byte(input), &args); err != nil {
+ t.Error(err)
+ }
+
+ if bytes.Compare(expected.Gas.Bytes(), args.Gas.Bytes()) != 0 {
+ t.Errorf("Gas shoud be %v but is %v", expected.Gas, args.Gas)
+ }
+
+ if bytes.Compare(expected.GasPrice.Bytes(), args.GasPrice.Bytes()) != 0 {
+ t.Errorf("GasPrice shoud be %v but is %v", expected.GasPrice, args.GasPrice)
+ }
+
+ if bytes.Compare(expected.Value.Bytes(), args.Value.Bytes()) != 0 {
+ t.Errorf("Value shoud be %v but is %v", expected.Value, args.Value)
+ }
+
+ if expected.BlockNumber != args.BlockNumber {
+ t.Errorf("BlockNumber shoud be %v but is %v", expected.BlockNumber, args.BlockNumber)
+ }
+}
+
+func TestCallArgsBlockBool(t *testing.T) {
+ input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+ "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+ "gas": "0x76c0",
+ "gasPrice": "0x9184e72a000",
+ "value": "0x9184e72a000",
+ "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"},
+ false]`
+
+ args := new(CallArgs)
+ str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+ if len(str) > 0 {
+ t.Error(str)
+ }
+}
+
+func TestCallArgsGasInvalid(t *testing.T) {
+ input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+ "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+ "gas": false,
+ "gasPrice": "0x9184e72a000",
+ "value": "0x9184e72a000",
+ "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+ }]`
+
+ args := new(CallArgs)
+ str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+ if len(str) > 0 {
+ t.Error(str)
+ }
+}
+
+func TestCallArgsGaspriceInvalid(t *testing.T) {
+ input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+ "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+ "gas": "0x76c0",
+ "gasPrice": false,
+ "value": "0x9184e72a000",
+ "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+ }]`
+
+ args := new(CallArgs)
+ str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+ if len(str) > 0 {
+ t.Error(str)
+ }
+}
+
+func TestCallArgsValueInvalid(t *testing.T) {
+ input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+ "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+ "gas": "0x76c0",
+ "gasPrice": "0x9184e72a000",
+ "value": false,
+ "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+ }]`
+
+ args := new(CallArgs)
+ str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+ if len(str) > 0 {
+ t.Error(str)
+ }
+}
+
+func TestCallArgsGasMissing(t *testing.T) {
+ input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+ "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+ "gasPrice": "0x9184e72a000",
+ "value": "0x9184e72a000",
+ "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+ }]`
+
+ args := new(CallArgs)
+ if err := json.Unmarshal([]byte(input), &args); err != nil {
+ t.Error(err)
+ }
+
+ expected := new(CallArgs)
+ expected.Gas = big.NewInt(0)
+
+ if bytes.Compare(expected.Gas.Bytes(), args.Gas.Bytes()) != 0 {
+ t.Errorf("Gas shoud be %v but is %v", expected.Gas, args.Gas)
+ }
+
+}
+
+func TestCallArgsBlockGaspriceMissing(t *testing.T) {
+ input := `[{
+ "from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+ "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+ "gas": "0x76c0",
+ "value": "0x9184e72a000",
+ "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+ }]`
+
+ args := new(CallArgs)
+ if err := json.Unmarshal([]byte(input), &args); err != nil {
+ t.Error(err)
+ }
+
+ expected := new(CallArgs)
+ expected.GasPrice = big.NewInt(0)
+
+ if bytes.Compare(expected.GasPrice.Bytes(), args.GasPrice.Bytes()) != 0 {
+ t.Errorf("GasPrice shoud be %v but is %v", expected.GasPrice, args.GasPrice)
+ }
+}
+
+func TestCallArgsValueMissing(t *testing.T) {
+ input := `[{
+ "from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+ "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+ "gas": "0x76c0",
+ "gasPrice": "0x9184e72a000",
+ "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+ }]`
+
+ args := new(CallArgs)
+ if err := json.Unmarshal([]byte(input), &args); err != nil {
+ t.Error(err)
+ }
+
+ expected := new(CallArgs)
+ expected.Value = big.NewInt(int64(0))
+
+ if bytes.Compare(expected.Value.Bytes(), args.Value.Bytes()) != 0 {
+ t.Errorf("GasPrice shoud be %v but is %v", expected.Value, args.Value)
+ }
+}
+
+func TestCallArgsEmpty(t *testing.T) {
+ input := `[]`
+
+ args := new(CallArgs)
+ str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+ if len(str) > 0 {
+ t.Error(str)
+ }
+}
+
+func TestCallArgsInvalid(t *testing.T) {
+ input := `{}`
+
+ args := new(CallArgs)
+ str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+ if len(str) > 0 {
+ t.Error(str)
+ }
+}
+func TestCallArgsNotStrings(t *testing.T) {
+ input := `[{"from":6}]`
+
+ args := new(CallArgs)
+ str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+ if len(str) > 0 {
+ t.Error(str)
+ }
+}
+
+func TestCallArgsFromEmpty(t *testing.T) {
+ input := `[{"to": "0xb60e8dd61c5d32be8058bb8eb970870f07233155"}]`
+
+ args := new(CallArgs)
+ str := ExpectValidationError(json.Unmarshal([]byte(input), &args))
+ if len(str) > 0 {
+ t.Error(str)
+ }
+}
+
+func TestCallArgsToEmpty(t *testing.T) {
+ input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155"}]`
+
+ args := new(CallArgs)
+ str := ExpectValidationError(json.Unmarshal([]byte(input), &args))
+ if len(str) > 0 {
+ t.Error(str)
}
}
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