removed old rpc structure and added new inproc api client

3 files changed, 2695 insertions, 6 deletions

diff --git a/rpc/api/api.go b/rpc/api/api.go
index 7fc22a263..10b448594 100644
--- a/rpc/api/api.go
+++ b/rpc/api/api.go
@@ -18,15 +18,13 @@ const (
 	TxPoolApiName   = "txpool"
 	PersonalApiName = "personal"
 	Web3ApiName     = "web3"
+
+	JsonRpcVersion = "2.0"
 )
 
 var (
-	DefaultHttpRpcApis = strings.Join([]string{
-		DbApiName, EthApiName, NetApiName, Web3ApiName,
-	}, ",")
-
-	// List with all API's which are offered over the IPC interface by default
-	DefaultIpcApis = strings.Join([]string{
+	// All API's
+	AllApis = strings.Join([]string{
 		AdminApiName, DbApiName, EthApiName, DebugApiName, MinerApiName, NetApiName,
 		ShhApiName, TxPoolApiName, PersonalApiName, Web3ApiName,
 	}, ",")
diff --git a/rpc/api/args.go b/rpc/api/args.go
new file mode 100644
index 000000000..4ef1b26e7
--- /dev/null
+++ b/rpc/api/args.go
@@ -0,0 +1,57 @@
+package api
+
+import (
+	"encoding/json"
+	"github.com/ethereum/go-ethereum/rpc/shared"
+)
+
+type CompileArgs struct {
+	Source string
+}
+
+func (args *CompileArgs) UnmarshalJSON(b []byte) (err error) {
+	var obj []interface{}
+	if err := json.Unmarshal(b, &obj); err != nil {
+		return shared.NewDecodeParamError(err.Error())
+	}
+
+	if len(obj) < 1 {
+		return shared.NewInsufficientParamsError(len(obj), 1)
+	}
+	argstr, ok := obj[0].(string)
+	if !ok {
+		return shared.NewInvalidTypeError("arg0", "is not a string")
+	}
+	args.Source = argstr
+
+	return nil
+}
+
+type FilterStringArgs struct {
+	Word string
+}
+
+func (args *FilterStringArgs) UnmarshalJSON(b []byte) (err error) {
+	var obj []interface{}
+	if err := json.Unmarshal(b, &obj); err != nil {
+		return shared.NewDecodeParamError(err.Error())
+	}
+
+	if len(obj) < 1 {
+		return shared.NewInsufficientParamsError(len(obj), 1)
+	}
+
+	var argstr string
+	argstr, ok := obj[0].(string)
+	if !ok {
+		return shared.NewInvalidTypeError("filter", "not a string")
+	}
+	switch argstr {
+	case "latest", "pending":
+		break
+	default:
+		return shared.NewValidationError("Word", "Must be `latest` or `pending`")
+	}
+	args.Word = argstr
+	return nil
+}
\ No newline at end of file
diff --git a/rpc/api/args_test.go b/rpc/api/args_test.go
new file mode 100644
index 000000000..4153d5432
--- /dev/null
+++ b/rpc/api/args_test.go
@@ -0,0 +1,2634 @@
+package api
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"math/big"
+	"testing"
+	"github.com/ethereum/go-ethereum/rpc/shared"
+)
+
+func TestBlockheightInvalidString(t *testing.T) {
+	v := "foo"
+	var num int64
+
+	str := ExpectInvalidTypeError(blockHeight(v, &num))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockheightEarliest(t *testing.T) {
+	v := "earliest"
+	e := int64(0)
+	var num int64
+
+	err := blockHeight(v, &num)
+	if err != nil {
+		t.Error(err)
+	}
+
+	if num != e {
+		t.Errorf("Expected %s but got %s", e, num)
+	}
+}
+
+func TestBlockheightLatest(t *testing.T) {
+	v := "latest"
+	e := int64(-1)
+	var num int64
+
+	err := blockHeight(v, &num)
+	if err != nil {
+		t.Error(err)
+	}
+
+	if num != e {
+		t.Errorf("Expected %s but got %s", e, num)
+	}
+}
+
+func TestBlockheightPending(t *testing.T) {
+	v := "pending"
+	e := int64(-2)
+	var num int64
+
+	err := blockHeight(v, &num)
+	if err != nil {
+		t.Error(err)
+	}
+
+	if num != e {
+		t.Errorf("Expected %s but got %s", e, num)
+	}
+}
+
+func ExpectValidationError(err error) string {
+	var str string
+	switch err.(type) {
+	case nil:
+		str = "Expected error but didn't get one"
+	case *shared.ValidationError:
+		break
+	default:
+		str = fmt.Sprintf("Expected *rpc.ValidationError but got %T with message `%s`", err, err.Error())
+	}
+	return str
+}
+
+func ExpectInvalidTypeError(err error) string {
+	var str string
+	switch err.(type) {
+	case nil:
+		str = "Expected error but didn't get one"
+	case *shared.InvalidTypeError:
+		break
+	default:
+		str = fmt.Sprintf("Expected *rpc.InvalidTypeError but got %T with message `%s`", err, err.Error())
+	}
+	return str
+}
+
+func ExpectInsufficientParamsError(err error) string {
+	var str string
+	switch err.(type) {
+	case nil:
+		str = "Expected error but didn't get one"
+	case *shared.InsufficientParamsError:
+		break
+	default:
+		str = fmt.Sprintf("Expected *rpc.InsufficientParamsError but got %T with message %s", err, err.Error())
+	}
+	return str
+}
+
+func ExpectDecodeParamError(err error) string {
+	var str string
+	switch err.(type) {
+	case nil:
+		str = "Expected error but didn't get one"
+	case *shared.DecodeParamError:
+		break
+	default:
+		str = fmt.Sprintf("Expected *rpc.DecodeParamError but got %T with message `%s`", err, err.Error())
+	}
+	return str
+}
+
+func TestSha3(t *testing.T) {
+	input := `["0x68656c6c6f20776f726c64"]`
+	expected := "0x68656c6c6f20776f726c64"
+
+	args := new(Sha3Args)
+	json.Unmarshal([]byte(input), &args)
+
+	if args.Data != expected {
+		t.Error("got %s expected %s", input, expected)
+	}
+}
+
+func TestSha3ArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(Sha3Args)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestSha3ArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(Sha3Args)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+func TestSha3ArgsDataInvalid(t *testing.T) {
+	input := `[4]`
+
+	args := new(Sha3Args)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetBalanceArgs(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1", "0x1f"]`
+	expected := new(GetBalanceArgs)
+	expected.Address = "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
+	expected.BlockNumber = 31
+
+	args := new(GetBalanceArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if args.Address != expected.Address {
+		t.Errorf("Address should be %v but is %v", expected.Address, args.Address)
+	}
+
+	if args.BlockNumber != expected.BlockNumber {
+		t.Errorf("BlockNumber should be %v but is %v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestGetBalanceArgsBlocknumMissing(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1"]`
+	expected := new(GetBalanceArgs)
+	expected.Address = "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
+	expected.BlockNumber = -1
+
+	args := new(GetBalanceArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if args.Address != expected.Address {
+		t.Errorf("Address should be %v but is %v", expected.Address, args.Address)
+	}
+
+	if args.BlockNumber != expected.BlockNumber {
+		t.Errorf("BlockNumber should be %v but is %v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestGetBalanceArgsLatest(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1", "latest"]`
+	expected := new(GetBalanceArgs)
+	expected.Address = "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
+	expected.BlockNumber = -1
+
+	args := new(GetBalanceArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if args.Address != expected.Address {
+		t.Errorf("Address should be %v but is %v", expected.Address, args.Address)
+	}
+
+	if args.BlockNumber != expected.BlockNumber {
+		t.Errorf("BlockNumber should be %v but is %v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestGetBalanceArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(GetBalanceArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetBalanceArgsInvalid(t *testing.T) {
+	input := `6`
+
+	args := new(GetBalanceArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetBalanceArgsBlockInvalid(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1", false]`
+
+	args := new(GetBalanceArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetBalanceArgsAddressInvalid(t *testing.T) {
+	input := `[-9, "latest"]`
+
+	args := new(GetBalanceArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetBlockByHashArgs(t *testing.T) {
+	input := `["0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331", true]`
+	expected := new(GetBlockByHashArgs)
+	expected.BlockHash = "0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331"
+	expected.IncludeTxs = true
+
+	args := new(GetBlockByHashArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if args.BlockHash != expected.BlockHash {
+		t.Errorf("BlockHash should be %v but is %v", expected.BlockHash, args.BlockHash)
+	}
+
+	if args.IncludeTxs != expected.IncludeTxs {
+		t.Errorf("IncludeTxs should be %v but is %v", expected.IncludeTxs, args.IncludeTxs)
+	}
+}
+
+func TestGetBlockByHashArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(GetBlockByHashArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetBlockByHashArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(GetBlockByHashArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetBlockByHashArgsHashInt(t *testing.T) {
+	input := `[8]`
+
+	args := new(GetBlockByHashArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetBlockByHashArgsHashBool(t *testing.T) {
+	input := `[false, true]`
+
+	args := new(GetBlockByHashArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetBlockByNumberArgsBlockNum(t *testing.T) {
+	input := `[436, false]`
+	expected := new(GetBlockByNumberArgs)
+	expected.BlockNumber = 436
+	expected.IncludeTxs = false
+
+	args := new(GetBlockByNumberArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if args.BlockNumber != expected.BlockNumber {
+		t.Errorf("BlockNumber should be %v but is %v", expected.BlockNumber, args.BlockNumber)
+	}
+
+	if args.IncludeTxs != expected.IncludeTxs {
+		t.Errorf("IncludeTxs should be %v but is %v", expected.IncludeTxs, args.IncludeTxs)
+	}
+}
+
+func TestGetBlockByNumberArgsBlockHex(t *testing.T) {
+	input := `["0x1b4", false]`
+	expected := new(GetBlockByNumberArgs)
+	expected.BlockNumber = 436
+	expected.IncludeTxs = false
+
+	args := new(GetBlockByNumberArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if args.BlockNumber != expected.BlockNumber {
+		t.Errorf("BlockNumber should be %v but is %v", expected.BlockNumber, args.BlockNumber)
+	}
+
+	if args.IncludeTxs != expected.IncludeTxs {
+		t.Errorf("IncludeTxs should be %v but is %v", expected.IncludeTxs, args.IncludeTxs)
+	}
+}
+func TestGetBlockByNumberArgsWords(t *testing.T) {
+	input := `["earliest", true]`
+	expected := new(GetBlockByNumberArgs)
+	expected.BlockNumber = 0
+	expected.IncludeTxs = true
+
+	args := new(GetBlockByNumberArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if args.BlockNumber != expected.BlockNumber {
+		t.Errorf("BlockNumber should be %v but is %v", expected.BlockNumber, args.BlockNumber)
+	}
+
+	if args.IncludeTxs != expected.IncludeTxs {
+		t.Errorf("IncludeTxs should be %v but is %v", expected.IncludeTxs, args.IncludeTxs)
+	}
+}
+
+func TestGetBlockByNumberEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(GetBlockByNumberArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetBlockByNumberShort(t *testing.T) {
+	input := `["0xbbb"]`
+
+	args := new(GetBlockByNumberArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetBlockByNumberBool(t *testing.T) {
+	input := `[true, true]`
+
+	args := new(GetBlockByNumberArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+func TestGetBlockByNumberBlockObject(t *testing.T) {
+	input := `{}`
+
+	args := new(GetBlockByNumberArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestNewTxArgs(t *testing.T) {
+	input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+  "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+  "gas": "0x76c0",
+  "gasPrice": "0x9184e72a000",
+  "value": "0x9184e72a000",
+  "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"},
+  "0x10"]`
+	expected := new(NewTxArgs)
+	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(NewTxArgs)
+	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 TestNewTxArgsInt(t *testing.T) {
+	input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+  "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+  "gas": 100,
+  "gasPrice": 50,
+  "value": 8765456789,
+  "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"},
+  5]`
+	expected := new(NewTxArgs)
+	expected.Gas = big.NewInt(100)
+	expected.GasPrice = big.NewInt(50)
+	expected.Value = big.NewInt(8765456789)
+	expected.BlockNumber = int64(5)
+
+	args := new(NewTxArgs)
+	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 TestNewTxArgsBlockBool(t *testing.T) {
+	input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+  "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+  "gas": "0x76c0",
+  "gasPrice": "0x9184e72a000",
+  "value": "0x9184e72a000",
+  "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"},
+  false]`
+
+	args := new(NewTxArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestNewTxArgsGasInvalid(t *testing.T) {
+	input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+  "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+  "gas": false,
+  "gasPrice": "0x9184e72a000",
+  "value": "0x9184e72a000",
+  "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+  }]`
+
+	args := new(NewTxArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestNewTxArgsGaspriceInvalid(t *testing.T) {
+	input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+  "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+  "gas": "0x76c0",
+  "gasPrice": false,
+  "value": "0x9184e72a000",
+  "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+  }]`
+
+	args := new(NewTxArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestNewTxArgsValueInvalid(t *testing.T) {
+	input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+  "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+  "gas": "0x76c0",
+  "gasPrice": "0x9184e72a000",
+  "value": false,
+  "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+	}]`
+
+	args := new(NewTxArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestNewTxArgsGasMissing(t *testing.T) {
+	input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+  "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+  "gasPrice": "0x9184e72a000",
+  "value": "0x9184e72a000",
+  "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+  }]`
+	expected := new(NewTxArgs)
+	expected.Gas = nil
+
+	args := new(NewTxArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if args.Gas != expected.Gas {
+		// if bytes.Compare(expected.Gas.Bytes(), args.Gas.Bytes()) != 0 {
+		t.Errorf("Gas shoud be %v but is %v", expected.Gas, args.Gas)
+	}
+}
+
+func TestNewTxArgsBlockGaspriceMissing(t *testing.T) {
+	input := `[{
+	"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+  "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+  "gas": "0x76c0",
+  "value": "0x9184e72a000",
+  "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+  }]`
+	expected := new(NewTxArgs)
+	expected.GasPrice = nil
+
+	args := new(NewTxArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if args.GasPrice != expected.GasPrice {
+		// if bytes.Compare(expected.GasPrice.Bytes(), args.GasPrice.Bytes()) != 0 {
+		t.Errorf("GasPrice shoud be %v but is %v", expected.GasPrice, args.GasPrice)
+	}
+
+}
+
+func TestNewTxArgsValueMissing(t *testing.T) {
+	input := `[{
+	"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+  "to": "0xd46e8dd67c5d32be8058bb8eb970870f072445675",
+  "gas": "0x76c0",
+  "gasPrice": "0x9184e72a000",
+  "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+	}]`
+	expected := new(NewTxArgs)
+	expected.Value = big.NewInt(0)
+
+	args := new(NewTxArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if bytes.Compare(expected.Value.Bytes(), args.Value.Bytes()) != 0 {
+		t.Errorf("Value shoud be %v but is %v", expected.Value, args.Value)
+	}
+
+}
+
+func TestNewTxArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(NewTxArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestNewTxArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(NewTxArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+func TestNewTxArgsNotStrings(t *testing.T) {
+	input := `[{"from":6}]`
+
+	args := new(NewTxArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestNewTxArgsFromEmpty(t *testing.T) {
+	input := `[{"to": "0xb60e8dd61c5d32be8058bb8eb970870f07233155"}]`
+
+	args := new(NewTxArgs)
+	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.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 = nil
+
+	if args.Gas != expected.Gas {
+		// 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 = nil
+
+	if args.GasPrice != expected.GasPrice {
+		// 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 TestCallArgsToEmpty(t *testing.T) {
+	input := `[{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155"}]`
+	args := new(CallArgs)
+	str := ExpectValidationError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetStorageArgs(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1", "latest"]`
+	expected := new(GetStorageArgs)
+	expected.Address = "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
+	expected.BlockNumber = -1
+
+	args := new(GetStorageArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Address != args.Address {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestGetStorageArgsMissingBlocknum(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1"]`
+	expected := new(GetStorageArgs)
+	expected.Address = "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
+	expected.BlockNumber = -1
+
+	args := new(GetStorageArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Address != args.Address {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestGetStorageInvalidArgs(t *testing.T) {
+	input := `{}`
+
+	args := new(GetStorageArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetStorageInvalidBlockheight(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1", {}]`
+
+	args := new(GetStorageArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetStorageEmptyArgs(t *testing.T) {
+	input := `[]`
+
+	args := new(GetStorageArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetStorageAddressInt(t *testing.T) {
+	input := `[32456785432456, "latest"]`
+
+	args := new(GetStorageArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetStorageAtArgs(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1", "0x0", "0x2"]`
+	expected := new(GetStorageAtArgs)
+	expected.Address = "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
+	expected.Key = "0x0"
+	expected.BlockNumber = 2
+
+	args := new(GetStorageAtArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Address != args.Address {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.Key != args.Key {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestGetStorageAtArgsMissingBlocknum(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1", "0x0"]`
+	expected := new(GetStorageAtArgs)
+	expected.Address = "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
+	expected.Key = "0x0"
+	expected.BlockNumber = -1
+
+	args := new(GetStorageAtArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Address != args.Address {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.Key != args.Key {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestGetStorageAtEmptyArgs(t *testing.T) {
+	input := `[]`
+
+	args := new(GetStorageAtArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetStorageAtArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(GetStorageAtArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetStorageAtArgsAddressNotString(t *testing.T) {
+	input := `[true, "0x0", "0x2"]`
+
+	args := new(GetStorageAtArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetStorageAtArgsKeyNotString(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1", true, "0x2"]`
+
+	args := new(GetStorageAtArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetStorageAtArgsValueNotString(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1", "0x1", true]`
+
+	args := new(GetStorageAtArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetTxCountArgs(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1", "pending"]`
+	expected := new(GetTxCountArgs)
+	expected.Address = "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
+	expected.BlockNumber = -2
+
+	args := new(GetTxCountArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Address != args.Address {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestGetTxCountEmptyArgs(t *testing.T) {
+	input := `[]`
+
+	args := new(GetTxCountArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetTxCountEmptyArgsInvalid(t *testing.T) {
+	input := `false`
+
+	args := new(GetTxCountArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetTxCountAddressNotString(t *testing.T) {
+	input := `[false, "pending"]`
+
+	args := new(GetTxCountArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetTxCountBlockheightMissing(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1"]`
+	expected := new(GetTxCountArgs)
+	expected.Address = "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
+	expected.BlockNumber = -1
+
+	args := new(GetTxCountArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Address != args.Address {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestGetTxCountBlockheightInvalid(t *testing.T) {
+	input := `["0x407d73d8a49eeb85d32cf465507dd71d507100c1", {}]`
+
+	args := new(GetTxCountArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetDataArgs(t *testing.T) {
+	input := `["0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8", "latest"]`
+	expected := new(GetDataArgs)
+	expected.Address = "0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8"
+	expected.BlockNumber = -1
+
+	args := new(GetDataArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Address != args.Address {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestGetDataArgsBlocknumMissing(t *testing.T) {
+	input := `["0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8"]`
+	expected := new(GetDataArgs)
+	expected.Address = "0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8"
+	expected.BlockNumber = -1
+
+	args := new(GetDataArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Address != args.Address {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestGetDataArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(GetDataArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetDataArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(GetDataArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetDataArgsAddressNotString(t *testing.T) {
+	input := `[12, "latest"]`
+
+	args := new(GetDataArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestGetDataArgsBlocknumberNotString(t *testing.T) {
+	input := `["0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8", false]`
+
+	args := new(GetDataArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockFilterArgs(t *testing.T) {
+	input := `[{
+  "fromBlock": "0x1",
+  "toBlock": "0x2",
+  "limit": "0x3",
+  "offset": "0x0",
+  "address": "0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8",
+  "topics":
+  [
+  	["0xAA", "0xBB"],
+  	["0xCC", "0xDD"]
+  ]
+  }]`
+
+	expected := new(BlockFilterArgs)
+	expected.Earliest = 1
+	expected.Latest = 2
+	expected.Max = 3
+	expected.Skip = 0
+	expected.Address = []string{"0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8"}
+	expected.Topics = [][]string{
+		[]string{"0xAA", "0xBB"},
+		[]string{"0xCC", "0xDD"},
+	}
+
+	args := new(BlockFilterArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Earliest != args.Earliest {
+		t.Errorf("Earliest shoud be %#v but is %#v", expected.Earliest, args.Earliest)
+	}
+
+	if expected.Latest != args.Latest {
+		t.Errorf("Latest shoud be %#v but is %#v", expected.Latest, args.Latest)
+	}
+
+	if expected.Max != args.Max {
+		t.Errorf("Max shoud be %#v but is %#v", expected.Max, args.Max)
+	}
+
+	if expected.Skip != args.Skip {
+		t.Errorf("Skip shoud be %#v but is %#v", expected.Skip, args.Skip)
+	}
+
+	if expected.Address[0] != args.Address[0] {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.Topics[0][0] != args.Topics[0][0] {
+		t.Errorf("Topics shoud be %#v but is %#v", expected.Topics, args.Topics)
+	}
+	if expected.Topics[0][1] != args.Topics[0][1] {
+		t.Errorf("Topics shoud be %#v but is %#v", expected.Topics, args.Topics)
+	}
+	if expected.Topics[1][0] != args.Topics[1][0] {
+		t.Errorf("Topics shoud be %#v but is %#v", expected.Topics, args.Topics)
+	}
+	if expected.Topics[1][1] != args.Topics[1][1] {
+		t.Errorf("Topics shoud be %#v but is %#v", expected.Topics, args.Topics)
+	}
+
+}
+
+func TestBlockFilterArgsDefaults(t *testing.T) {
+	input := `[{
+  "address": ["0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8"],
+  "topics": ["0xAA","0xBB"]
+  }]`
+	expected := new(BlockFilterArgs)
+	expected.Earliest = -1
+	expected.Latest = -1
+	expected.Max = 100
+	expected.Skip = 0
+	expected.Address = []string{"0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8"}
+	expected.Topics = [][]string{[]string{"0xAA"}, []string{"0xBB"}}
+
+	args := new(BlockFilterArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Earliest != args.Earliest {
+		t.Errorf("Earliest shoud be %#v but is %#v", expected.Earliest, args.Earliest)
+	}
+
+	if expected.Latest != args.Latest {
+		t.Errorf("Latest shoud be %#v but is %#v", expected.Latest, args.Latest)
+	}
+
+	if expected.Max != args.Max {
+		t.Errorf("Max shoud be %#v but is %#v", expected.Max, args.Max)
+	}
+
+	if expected.Skip != args.Skip {
+		t.Errorf("Skip shoud be %#v but is %#v", expected.Skip, args.Skip)
+	}
+
+	if expected.Address[0] != args.Address[0] {
+		t.Errorf("Address shoud be %#v but is %#v", expected.Address, args.Address)
+	}
+
+	if expected.Topics[0][0] != args.Topics[0][0] {
+		t.Errorf("Topics shoud be %#v but is %#v", expected.Topics, args.Topics)
+	}
+
+	if expected.Topics[1][0] != args.Topics[1][0] {
+		t.Errorf("Topics shoud be %#v but is %#v", expected.Topics, args.Topics)
+	}
+}
+
+func TestBlockFilterArgsWords(t *testing.T) {
+	input := `[{
+  "fromBlock": "latest",
+  "toBlock": "pending"
+  }]`
+	expected := new(BlockFilterArgs)
+	expected.Earliest = -1
+	expected.Latest = -2
+
+	args := new(BlockFilterArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Earliest != args.Earliest {
+		t.Errorf("Earliest shoud be %#v but is %#v", expected.Earliest, args.Earliest)
+	}
+
+	if expected.Latest != args.Latest {
+		t.Errorf("Latest shoud be %#v but is %#v", expected.Latest, args.Latest)
+	}
+}
+
+func TestBlockFilterArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(BlockFilterArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockFilterArgsFromBool(t *testing.T) {
+	input := `[{
+  "fromBlock": true,
+  "toBlock": "pending"
+  }]`
+
+	args := new(BlockFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockFilterArgsToBool(t *testing.T) {
+	input := `[{
+  "fromBlock": "pending",
+  "toBlock": true
+  }]`
+
+	args := new(BlockFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockFilterArgsEmptyArgs(t *testing.T) {
+	input := `[]`
+
+	args := new(BlockFilterArgs)
+	err := json.Unmarshal([]byte(input), &args)
+	if err == nil {
+		t.Error("Expected error but didn't get one")
+	}
+}
+
+func TestBlockFilterArgsLimitInvalid(t *testing.T) {
+	input := `[{"limit": false}]`
+
+	args := new(BlockFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockFilterArgsOffsetInvalid(t *testing.T) {
+	input := `[{"offset": true}]`
+
+	args := new(BlockFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockFilterArgsAddressInt(t *testing.T) {
+	input := `[{
+  "address": 1,
+  "topics": "0x12341234"}]`
+
+	args := new(BlockFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockFilterArgsAddressSliceInt(t *testing.T) {
+	input := `[{
+  "address": [1],
+  "topics": "0x12341234"}]`
+
+	args := new(BlockFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockFilterArgsTopicInt(t *testing.T) {
+	input := `[{
+  "address": ["0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8"],
+  "topics": 1}]`
+
+	args := new(BlockFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockFilterArgsTopicSliceInt(t *testing.T) {
+	input := `[{
+  "address": "0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8",
+  "topics": [1]}]`
+
+	args := new(BlockFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockFilterArgsTopicSliceInt2(t *testing.T) {
+	input := `[{
+  "address": "0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8",
+  "topics": ["0xAA", [1]]}]`
+
+	args := new(BlockFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockFilterArgsTopicComplex(t *testing.T) {
+	input := `[{
+	"address": "0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8",
+  "topics": ["0xAA", ["0xBB", "0xCC"]]
+  }]`
+
+	args := new(BlockFilterArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+		fmt.Printf("%v\n", args)
+		return
+	}
+
+	if args.Topics[0][0] != "0xAA" {
+		t.Errorf("Topic should be %s but is %s", "0xAA", args.Topics[0][0])
+	}
+
+	if args.Topics[1][0] != "0xBB" {
+		t.Errorf("Topic should be %s but is %s", "0xBB", args.Topics[0][0])
+	}
+
+	if args.Topics[1][1] != "0xCC" {
+		t.Errorf("Topic should be %s but is %s", "0xCC", args.Topics[0][0])
+	}
+}
+
+func TestDbArgs(t *testing.T) {
+	input := `["testDB","myKey","0xbeef"]`
+	expected := new(DbArgs)
+	expected.Database = "testDB"
+	expected.Key = "myKey"
+	expected.Value = []byte("0xbeef")
+
+	args := new(DbArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if err := args.requirements(); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Database != args.Database {
+		t.Errorf("Database shoud be %#v but is %#v", expected.Database, args.Database)
+	}
+
+	if expected.Key != args.Key {
+		t.Errorf("Key shoud be %#v but is %#v", expected.Key, args.Key)
+	}
+
+	if bytes.Compare(expected.Value, args.Value) != 0 {
+		t.Errorf("Value shoud be %#v but is %#v", expected.Value, args.Value)
+	}
+}
+
+func TestDbArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(DbArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(DbArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbArgsDatabaseType(t *testing.T) {
+	input := `[true, "keyval", "valval"]`
+
+	args := new(DbArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbArgsKeyType(t *testing.T) {
+	input := `["dbval", 3, "valval"]`
+
+	args := new(DbArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbArgsValType(t *testing.T) {
+	input := `["dbval", "keyval", {}]`
+
+	args := new(DbArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbArgsDatabaseEmpty(t *testing.T) {
+	input := `["", "keyval", "valval"]`
+
+	args := new(DbArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err.Error())
+	}
+
+	str := ExpectValidationError(args.requirements())
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbArgsKeyEmpty(t *testing.T) {
+	input := `["dbval", "", "valval"]`
+
+	args := new(DbArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err.Error())
+	}
+
+	str := ExpectValidationError(args.requirements())
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbHexArgs(t *testing.T) {
+	input := `["testDB","myKey","0xbeef"]`
+	expected := new(DbHexArgs)
+	expected.Database = "testDB"
+	expected.Key = "myKey"
+	expected.Value = []byte{0xbe, 0xef}
+
+	args := new(DbHexArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if err := args.requirements(); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Database != args.Database {
+		t.Errorf("Database shoud be %#v but is %#v", expected.Database, args.Database)
+	}
+
+	if expected.Key != args.Key {
+		t.Errorf("Key shoud be %#v but is %#v", expected.Key, args.Key)
+	}
+
+	if bytes.Compare(expected.Value, args.Value) != 0 {
+		t.Errorf("Value shoud be %#v but is %#v", expected.Value, args.Value)
+	}
+}
+
+func TestDbHexArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(DbHexArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbHexArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(DbHexArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbHexArgsDatabaseType(t *testing.T) {
+	input := `[true, "keyval", "valval"]`
+
+	args := new(DbHexArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbHexArgsKeyType(t *testing.T) {
+	input := `["dbval", 3, "valval"]`
+
+	args := new(DbHexArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbHexArgsValType(t *testing.T) {
+	input := `["dbval", "keyval", {}]`
+
+	args := new(DbHexArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbHexArgsDatabaseEmpty(t *testing.T) {
+	input := `["", "keyval", "valval"]`
+
+	args := new(DbHexArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err.Error())
+	}
+
+	str := ExpectValidationError(args.requirements())
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDbHexArgsKeyEmpty(t *testing.T) {
+	input := `["dbval", "", "valval"]`
+
+	args := new(DbHexArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err.Error())
+	}
+
+	str := ExpectValidationError(args.requirements())
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestWhisperMessageArgs(t *testing.T) {
+	input := `[{"from":"0xc931d93e97ab07fe42d923478ba2465f2",
+  "topics": ["0x68656c6c6f20776f726c64"],
+  "payload":"0x68656c6c6f20776f726c64",
+  "ttl": "0x64",
+  "priority": "0x64"}]`
+	expected := new(WhisperMessageArgs)
+	expected.From = "0xc931d93e97ab07fe42d923478ba2465f2"
+	expected.To = ""
+	expected.Payload = "0x68656c6c6f20776f726c64"
+	expected.Priority = 100
+	expected.Ttl = 100
+	// expected.Topics = []string{"0x68656c6c6f20776f726c64"}
+
+	args := new(WhisperMessageArgs)
+	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 expected.Payload != args.Payload {
+		t.Errorf("Value shoud be %#v but is %#v", expected.Payload, args.Payload)
+	}
+
+	if expected.Ttl != args.Ttl {
+		t.Errorf("Ttl shoud be %#v but is %#v", expected.Ttl, args.Ttl)
+	}
+
+	if expected.Priority != args.Priority {
+		t.Errorf("Priority shoud be %#v but is %#v", expected.Priority, args.Priority)
+	}
+
+	// if expected.Topics != args.Topics {
+	// 	t.Errorf("Topic shoud be %#v but is %#v", expected.Topic, args.Topic)
+	// }
+}
+
+func TestWhisperMessageArgsInt(t *testing.T) {
+	input := `[{"from":"0xc931d93e97ab07fe42d923478ba2465f2",
+  "topics": ["0x68656c6c6f20776f726c64"],
+  "payload":"0x68656c6c6f20776f726c64",
+  "ttl": 12,
+  "priority": 16}]`
+	expected := new(WhisperMessageArgs)
+	expected.From = "0xc931d93e97ab07fe42d923478ba2465f2"
+	expected.To = ""
+	expected.Payload = "0x68656c6c6f20776f726c64"
+	expected.Priority = 16
+	expected.Ttl = 12
+	// expected.Topics = []string{"0x68656c6c6f20776f726c64"}
+
+	args := new(WhisperMessageArgs)
+	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 expected.Payload != args.Payload {
+		t.Errorf("Value shoud be %#v but is %#v", expected.Payload, args.Payload)
+	}
+
+	if expected.Ttl != args.Ttl {
+		t.Errorf("Ttl shoud be %v but is %v", expected.Ttl, args.Ttl)
+	}
+
+	if expected.Priority != args.Priority {
+		t.Errorf("Priority shoud be %v but is %v", expected.Priority, args.Priority)
+	}
+
+	// if expected.Topics != args.Topics {
+	// 	t.Errorf("Topic shoud be %#v but is %#v", expected.Topic, args.Topic)
+	// }
+}
+
+func TestWhisperMessageArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(WhisperMessageArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestWhisperMessageArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(WhisperMessageArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestWhisperMessageArgsTtlBool(t *testing.T) {
+	input := `[{"from":"0xc931d93e97ab07fe42d923478ba2465f2",
+  "topics": ["0x68656c6c6f20776f726c64"],
+  "payload":"0x68656c6c6f20776f726c64",
+  "ttl": true,
+  "priority": "0x64"}]`
+	args := new(WhisperMessageArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestWhisperMessageArgsPriorityBool(t *testing.T) {
+	input := `[{"from":"0xc931d93e97ab07fe42d923478ba2465f2",
+  "topics": ["0x68656c6c6f20776f726c64"],
+  "payload":"0x68656c6c6f20776f726c64",
+  "ttl": "0x12",
+  "priority": true}]`
+	args := new(WhisperMessageArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestFilterIdArgs(t *testing.T) {
+	input := `["0x7"]`
+	expected := new(FilterIdArgs)
+	expected.Id = 7
+
+	args := new(FilterIdArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Id != args.Id {
+		t.Errorf("Id shoud be %#v but is %#v", expected.Id, args.Id)
+	}
+}
+
+func TestFilterIdArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(FilterIdArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestFilterIdArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(FilterIdArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestFilterIdArgsBool(t *testing.T) {
+	input := `[true]`
+
+	args := new(FilterIdArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestWhisperFilterArgs(t *testing.T) {
+	input := `[{"topics": ["0x68656c6c6f20776f726c64"], "to": "0x34ag445g3455b34"}]`
+	expected := new(WhisperFilterArgs)
+	expected.To = "0x34ag445g3455b34"
+	expected.Topics = [][]string{[]string{"0x68656c6c6f20776f726c64"}}
+
+	args := new(WhisperFilterArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.To != args.To {
+		t.Errorf("To shoud be %#v but is %#v", expected.To, args.To)
+	}
+
+	// if expected.Topics != args.Topics {
+	// 	t.Errorf("Topics shoud be %#v but is %#v", expected.Topics, args.Topics)
+	// }
+}
+
+func TestWhisperFilterArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(WhisperFilterArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestWhisperFilterArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(WhisperFilterArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestWhisperFilterArgsToInt(t *testing.T) {
+	input := `[{"to": 2}]`
+
+	args := new(WhisperFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestWhisperFilterArgsToBool(t *testing.T) {
+	input := `[{"topics": ["0x68656c6c6f20776f726c64"], "to": false}]`
+
+	args := new(WhisperFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestWhisperFilterArgsToMissing(t *testing.T) {
+	input := `[{"topics": ["0x68656c6c6f20776f726c64"]}]`
+	expected := new(WhisperFilterArgs)
+	expected.To = ""
+
+	args := new(WhisperFilterArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if args.To != expected.To {
+		t.Errorf("To shoud be %v but is %v", expected.To, args.To)
+	}
+}
+
+func TestWhisperFilterArgsTopicInt(t *testing.T) {
+	input := `[{"topics": [6], "to": "0x34ag445g3455b34"}]`
+
+	args := new(WhisperFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestCompileArgs(t *testing.T) {
+	input := `["contract test { function multiply(uint a) returns(uint d) {   return a * 7;   } }"]`
+	expected := new(CompileArgs)
+	expected.Source = `contract test { function multiply(uint a) returns(uint d) {   return a * 7;   } }`
+
+	args := new(CompileArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Source != args.Source {
+		t.Errorf("Source shoud be %#v but is %#v", expected.Source, args.Source)
+	}
+}
+
+func TestCompileArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(CompileArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestCompileArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(CompileArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestCompileArgsBool(t *testing.T) {
+	input := `[false]`
+
+	args := new(CompileArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestFilterStringArgs(t *testing.T) {
+	input := `["pending"]`
+	expected := new(FilterStringArgs)
+	expected.Word = "pending"
+
+	args := new(FilterStringArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Word != args.Word {
+		t.Errorf("Word shoud be %#v but is %#v", expected.Word, args.Word)
+	}
+}
+
+func TestFilterStringEmptyArgs(t *testing.T) {
+	input := `[]`
+
+	args := new(FilterStringArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestFilterStringInvalidArgs(t *testing.T) {
+	input := `{}`
+
+	args := new(FilterStringArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestFilterStringWordInt(t *testing.T) {
+	input := `[7]`
+
+	args := new(FilterStringArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestFilterStringWordWrong(t *testing.T) {
+	input := `["foo"]`
+
+	args := new(FilterStringArgs)
+	str := ExpectValidationError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestWhisperIdentityArgs(t *testing.T) {
+	input := `["0xc931d93e97ab07fe42d923478ba2465f283"]`
+	expected := new(WhisperIdentityArgs)
+	expected.Identity = "0xc931d93e97ab07fe42d923478ba2465f283"
+
+	args := new(WhisperIdentityArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Identity != args.Identity {
+		t.Errorf("Identity shoud be %#v but is %#v", expected.Identity, args.Identity)
+	}
+}
+
+func TestWhisperIdentityArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(WhisperIdentityArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestWhisperIdentityArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(WhisperIdentityArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestWhisperIdentityArgsInt(t *testing.T) {
+	input := `[4]`
+
+	args := new(WhisperIdentityArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Errorf(str)
+	}
+}
+
+func TestBlockNumArgs(t *testing.T) {
+	input := `["0x29a"]`
+	expected := new(BlockNumIndexArgs)
+	expected.BlockNumber = 666
+
+	args := new(BlockNumArg)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestBlockNumArgsWord(t *testing.T) {
+	input := `["pending"]`
+	expected := new(BlockNumIndexArgs)
+	expected.BlockNumber = -2
+
+	args := new(BlockNumArg)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+}
+
+func TestBlockNumArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(BlockNumArg)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockNumArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(BlockNumArg)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+func TestBlockNumArgsBool(t *testing.T) {
+	input := `[true]`
+
+	args := new(BlockNumArg)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockNumIndexArgs(t *testing.T) {
+	input := `["0x29a", "0x0"]`
+	expected := new(BlockNumIndexArgs)
+	expected.BlockNumber = 666
+	expected.Index = 0
+
+	args := new(BlockNumIndexArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+
+	if expected.Index != args.Index {
+		t.Errorf("Index shoud be %#v but is %#v", expected.Index, args.Index)
+	}
+}
+
+func TestBlockNumIndexArgsWord(t *testing.T) {
+	input := `["latest", 67]`
+	expected := new(BlockNumIndexArgs)
+	expected.BlockNumber = -1
+	expected.Index = 67
+
+	args := new(BlockNumIndexArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.BlockNumber != args.BlockNumber {
+		t.Errorf("BlockNumber shoud be %#v but is %#v", expected.BlockNumber, args.BlockNumber)
+	}
+
+	if expected.Index != args.Index {
+		t.Errorf("Index shoud be %#v but is %#v", expected.Index, args.Index)
+	}
+}
+
+func TestBlockNumIndexArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(BlockNumIndexArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockNumIndexArgsInvalid(t *testing.T) {
+	input := `"foo"`
+
+	args := new(BlockNumIndexArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockNumIndexArgsBlocknumInvalid(t *testing.T) {
+	input := `[{}, "0x1"]`
+
+	args := new(BlockNumIndexArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockNumIndexArgsIndexInvalid(t *testing.T) {
+	input := `["0x29a", true]`
+
+	args := new(BlockNumIndexArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestHashIndexArgs(t *testing.T) {
+	input := `["0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b", "0x1"]`
+	expected := new(HashIndexArgs)
+	expected.Hash = "0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b"
+	expected.Index = 1
+
+	args := new(HashIndexArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Hash != args.Hash {
+		t.Errorf("Hash shoud be %#v but is %#v", expected.Hash, args.Hash)
+	}
+
+	if expected.Index != args.Index {
+		t.Errorf("Index shoud be %#v but is %#v", expected.Index, args.Index)
+	}
+}
+
+func TestHashIndexArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(HashIndexArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestHashIndexArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(HashIndexArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestHashIndexArgsInvalidHash(t *testing.T) {
+	input := `[7, "0x1"]`
+
+	args := new(HashIndexArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestHashIndexArgsInvalidIndex(t *testing.T) {
+	input := `["0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b", false]`
+
+	args := new(HashIndexArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestHashArgs(t *testing.T) {
+	input := `["0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b"]`
+	expected := new(HashIndexArgs)
+	expected.Hash = "0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b"
+
+	args := new(HashArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Hash != args.Hash {
+		t.Errorf("Hash shoud be %#v but is %#v", expected.Hash, args.Hash)
+	}
+}
+
+func TestHashArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(HashArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestHashArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(HashArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestHashArgsInvalidHash(t *testing.T) {
+	input := `[7]`
+
+	args := new(HashArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestSubmitWorkArgs(t *testing.T) {
+	input := `["0x0000000000000001", "0x1234567890abcdef1234567890abcdef", "0xD1GE5700000000000000000000000000"]`
+	expected := new(SubmitWorkArgs)
+	expected.Nonce = 1
+	expected.Header = "0x1234567890abcdef1234567890abcdef"
+	expected.Digest = "0xD1GE5700000000000000000000000000"
+
+	args := new(SubmitWorkArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Nonce != args.Nonce {
+		t.Errorf("Nonce shoud be %d but is %d", expected.Nonce, args.Nonce)
+	}
+
+	if expected.Header != args.Header {
+		t.Errorf("Header shoud be %#v but is %#v", expected.Header, args.Header)
+	}
+
+	if expected.Digest != args.Digest {
+		t.Errorf("Digest shoud be %#v but is %#v", expected.Digest, args.Digest)
+	}
+}
+
+func TestSubmitWorkArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(SubmitWorkArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestSubmitWorkArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(SubmitWorkArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestSubmitWorkArgsNonceInt(t *testing.T) {
+	input := `[1, "0x1234567890abcdef1234567890abcdef", "0xD1GE5700000000000000000000000000"]`
+
+	args := new(SubmitWorkArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+func TestSubmitWorkArgsHeaderInt(t *testing.T) {
+	input := `["0x0000000000000001", 1, "0xD1GE5700000000000000000000000000"]`
+
+	args := new(SubmitWorkArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+func TestSubmitWorkArgsDigestInt(t *testing.T) {
+	input := `["0x0000000000000001", "0x1234567890abcdef1234567890abcdef", 1]`
+
+	args := new(SubmitWorkArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestBlockHeightFromJsonInvalid(t *testing.T) {
+	var num int64
+	var msg json.RawMessage = []byte(`}{`)
+	str := ExpectDecodeParamError(blockHeightFromJson(msg, &num))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestSourceArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(SourceArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestSigArgs(t *testing.T) {
+	input := `["0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b", "0x0"]`
+	expected := new(NewSigArgs)
+	expected.From = "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b"
+	expected.Data = "0x0"
+
+	args := new(NewSigArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.From != args.From {
+		t.Errorf("From should be %v but is %v", expected.From, args.From)
+	}
+
+	if expected.Data != args.Data {
+		t.Errorf("Data should be %v but is %v", expected.Data, args.Data)
+	}
+}
+
+func TestSigArgsEmptyData(t *testing.T) {
+	input := `["0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b", ""]`
+
+	args := new(NewSigArgs)
+	str := ExpectValidationError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestSigArgsDataType(t *testing.T) {
+	input := `["0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b", 13]`
+
+	args := new(NewSigArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestSigArgsEmptyFrom(t *testing.T) {
+	input := `["", "0x0"]`
+
+	args := new(NewSigArgs)
+	str := ExpectValidationError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestSigArgsFromType(t *testing.T) {
+	input := `[false, "0x0"]`
+
+	args := new(NewSigArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestSigArgsEmpty(t *testing.T) {
+	input := `[]`
+	args := new(NewSigArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDataArgs(t *testing.T) {
+	input := `["0x0123"]`
+	expected := new(NewDataArgs)
+	expected.Data = "0x0123"
+
+	args := new(NewDataArgs)
+	if err := json.Unmarshal([]byte(input), &args); err != nil {
+		t.Error(err)
+	}
+
+	if expected.Data != args.Data {
+		t.Errorf("Data should be %v but is %v", expected.Data, args.Data)
+	}
+}
+
+func TestDataArgsEmptyData(t *testing.T) {
+	input := `[""]`
+
+	args := new(NewDataArgs)
+	str := ExpectValidationError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDataArgsDataType(t *testing.T) {
+	input := `[13]`
+
+	args := new(NewDataArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDataArgsEmpty(t *testing.T) {
+	input := `[]`
+	args := new(NewDataArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestDataArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(NewDataArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}