rpcclient: CreateRawTransaction replaceable parameter

Support the RPC `createrawtransaction` `replaceable` parameter, which allows disabling opt-in RBF.

btcjson/chainsvrcmds.go

@@ -57,9 +57,10 @@ type TransactionInput struct {
 
 // CreateRawTransactionCmd defines the createrawtransaction JSON-RPC command.
 type CreateRawTransactionCmd struct {
-	Inputs   []TransactionInput
-	Amounts  map[string]float64 `jsonrpcusage:"{\"address\":amount,...}"` // In BTC
-	LockTime *int64
+	Inputs      []TransactionInput
+	Amounts     map[string]float64 `jsonrpcusage:"{\"address\":amount,...}"` // In BTC
+	LockTime    *int64
+	Replaceable *bool
 }
 
 // NewCreateRawTransactionCmd returns a new instance which can be used to issue
@@ -68,16 +69,17 @@ type CreateRawTransactionCmd struct {
 // Amounts are in BTC. Passing in nil and the empty slice as inputs is equivalent,
 // both gets interpreted as the empty slice.
 func NewCreateRawTransactionCmd(inputs []TransactionInput, amounts map[string]float64,
-	lockTime *int64) *CreateRawTransactionCmd {
+	lockTime *int64, replaceable *bool) *CreateRawTransactionCmd {
 	// to make sure we're serializing this to the empty list and not null, we
 	// explicitly initialize the list
 	if inputs == nil {
 		inputs = []TransactionInput{}
 	}
 	return &CreateRawTransactionCmd{
-		Inputs:   inputs,
-		Amounts:  amounts,
-		LockTime: lockTime,
+		Inputs:      inputs,
+		Amounts:     amounts,
+		LockTime:    lockTime,
+		Replaceable: replaceable,
 	}
 }
 

btcjson/chainsvrcmds_test.go

@@ -24,6 +24,7 @@ func TestChainSvrCmds(t *testing.T) {
 	t.Parallel()
 
 	testID := int(1)
+	trueB := true
 	tests := []struct {
 		name         string
 		newCmd       func() (interface{}, error)
@@ -53,7 +54,7 @@ func TestChainSvrCmds(t *testing.T) {
 					{Txid: "123", Vout: 1},
 				}
 				amounts := map[string]float64{"456": .0123}
-				return btcjson.NewCreateRawTransactionCmd(txInputs, amounts, nil)
+				return btcjson.NewCreateRawTransactionCmd(txInputs, amounts, nil, nil)
 			},
 			marshalled: `{"jsonrpc":"1.0","method":"createrawtransaction","params":[[{"txid":"123","vout":1}],{"456":0.0123}],"id":1}`,
 			unmarshalled: &btcjson.CreateRawTransactionCmd{
@@ -68,7 +69,7 @@ func TestChainSvrCmds(t *testing.T) {
 			},
 			staticCmd: func() interface{} {
 				amounts := map[string]float64{"456": .0123}
-				return btcjson.NewCreateRawTransactionCmd(nil, amounts, nil)
+				return btcjson.NewCreateRawTransactionCmd(nil, amounts, nil, nil)
 			},
 			marshalled: `{"jsonrpc":"1.0","method":"createrawtransaction","params":[[],{"456":0.0123}],"id":1}`,
 			unmarshalled: &btcjson.CreateRawTransactionCmd{
@@ -80,20 +81,21 @@ func TestChainSvrCmds(t *testing.T) {
 			name: "createrawtransaction optional",
 			newCmd: func() (interface{}, error) {
 				return btcjson.NewCmd("createrawtransaction", `[{"txid":"123","vout":1}]`,
-					`{"456":0.0123}`, int64(12312333333))
+					`{"456":0.0123}`, int64(12312333333), &trueB)
 			},
 			staticCmd: func() interface{} {
 				txInputs := []btcjson.TransactionInput{
 					{Txid: "123", Vout: 1},
 				}
 				amounts := map[string]float64{"456": .0123}
-				return btcjson.NewCreateRawTransactionCmd(txInputs, amounts, btcjson.Int64(12312333333))
+				return btcjson.NewCreateRawTransactionCmd(txInputs, amounts, btcjson.Int64(12312333333), &trueB)
 			},
-			marshalled: `{"jsonrpc":"1.0","method":"createrawtransaction","params":[[{"txid":"123","vout":1}],{"456":0.0123},12312333333],"id":1}`,
+			marshalled: `{"jsonrpc":"1.0","method":"createrawtransaction","params":[[{"txid":"123","vout":1}],{"456":0.0123},12312333333,true],"id":1}`,
 			unmarshalled: &btcjson.CreateRawTransactionCmd{
-				Inputs:   []btcjson.TransactionInput{{Txid: "123", Vout: 1}},
-				Amounts:  map[string]float64{"456": .0123},
-				LockTime: btcjson.Int64(12312333333),
+				Inputs:      []btcjson.TransactionInput{{Txid: "123", Vout: 1}},
+				Amounts:     map[string]float64{"456": .0123},
+				LockTime:    btcjson.Int64(12312333333),
+				Replaceable: &trueB,
 			},
 		},
 		{

rpcclient/rawtransactions.go

@@ -291,23 +291,23 @@ func (r FutureCreateRawTransactionResult) Receive() (*wire.MsgTx, error) {
 //
 // See CreateRawTransaction for the blocking version and more details.
 func (c *Client) CreateRawTransactionAsync(inputs []btcjson.TransactionInput,
-	amounts map[btcutil.Address]btcutil.Amount, lockTime *int64) FutureCreateRawTransactionResult {
+	amounts map[btcutil.Address]btcutil.Amount, lockTime *int64, replaceable *bool) FutureCreateRawTransactionResult {
 
 	convertedAmts := make(map[string]float64, len(amounts))
 	for addr, amount := range amounts {
 		convertedAmts[addr.String()] = amount.ToBTC()
 	}
-	cmd := btcjson.NewCreateRawTransactionCmd(inputs, convertedAmts, lockTime)
+	cmd := btcjson.NewCreateRawTransactionCmd(inputs, convertedAmts, lockTime, replaceable)
 	return c.SendCmd(cmd)
 }
 
 // CreateRawTransaction returns a new transaction spending the provided inputs
 // and sending to the provided addresses. If the inputs are either nil or an
 // empty slice, it is interpreted as an empty slice.
 func (c *Client) CreateRawTransaction(inputs []btcjson.TransactionInput,
-	amounts map[btcutil.Address]btcutil.Amount, lockTime *int64) (*wire.MsgTx, error) {
+	amounts map[btcutil.Address]btcutil.Amount, lockTime *int64, replaceable *bool) (*wire.MsgTx, error) {
 
-	return c.CreateRawTransactionAsync(inputs, amounts, lockTime).Receive()
+	return c.CreateRawTransactionAsync(inputs, amounts, lockTime, replaceable).Receive()
 }
 
 // FutureSendRawTransactionResult is a future promise to deliver the result

rpcserverhelp.go

@@ -54,6 +54,7 @@ var helpDescsEnUS = map[string]string{
 	"createrawtransaction-amounts--value": "n.nnn",
 	"createrawtransaction-amounts--desc":  "The destination address as the key and the amount in BTC as the value",
 	"createrawtransaction-locktime":       "Locktime value; a non-zero value will also locktime-activate the inputs",
+	"createrawtransaction-replaceable":    "If false, do not mark this transaction as BIP125-replaceable.",
 	"createrawtransaction--result0":       "Hex-encoded bytes of the serialized transaction",
 
 	// ScriptSig help.