add CreateRawTransaction command

.gitignore

@@ -23,3 +23,4 @@ _testmain.go
 *.test
 
 /examples/example
+.idea/

bitcoind.go

@@ -47,6 +47,15 @@ func (b *Bitcoind) AddMultiSigAddress(cmd *AddMultisigAddressCmd) (address strin
 	return
 }
 
+func (b *Bitcoind) CreateRawTransaction(cmd *CreateRawTransactionCmd) (result string, err error) {
+	r, err := b.client.call("createrawtransaction", []interface{}{cmd.Inputs, cmd.Amounts})
+	if err = handleError(err, &r); err != nil {
+		return
+	}
+	err = json.Unmarshal(r.Result, &result)
+	return
+}
+
 func (b *Bitcoind) SignRawTransaction(cmd *SignRawTransactionCmd) (result SignRawTransactionResult, err error) {
 	r, err := b.client.call("signrawtransaction", []interface{}{cmd.RawTx, cmd.Inputs, cmd.PrivKeys, cmd.Flags})
 	if err = handleError(err, &r); err != nil {

transaction.go

@@ -115,3 +115,17 @@ type SendRawTransactionCmd struct {
 	HexTx         string
 	AllowHighFees *bool `jsonrpcdefault:"false"`
 }
+
+// TransactionInput represents the inputs to a transaction.  Specifically a
+// transaction hash and output number pair.
+type TransactionInput struct {
+	Txid string `json:"txid"`
+	Vout uint32 `json:"vout"`
+}
+
+// CreateRawTransactionCmd defines the createrawtransaction JSON-RPC command.
+type CreateRawTransactionCmd struct {
+	Inputs   []TransactionInput
+	Amounts  map[string]float64 `jsonrpcusage:"{\"address\":amount,...}"` // In BTC
+	LockTime *int64
+}