feat: add deriveddresses call (#11)

* feat: add testDeriveAddressResult to mock

Signed-off-by: Lorenz Herzberger <[email protected]>

types/const.go

@@ -20,4 +20,5 @@ var (
 	MethodSendToAddress                = "sendtoaddress"
 	MethodSignRawTransactionWithWallet = "signrawtransactionwithwallet"
 	MethodTestMempoolAccept            = "testmempoolaccept"
+	MethodDeriveAddresses              = "deriveaddresses"
 )

types/util.go

@@ -0,0 +1,4 @@
+package types
+
+// DeriveAddressesResult models the data from the deriveaddresses command.
+type DeriveAddressesResult []string

util.go

@@ -0,0 +1,16 @@
+package elementsrpc
+
+import (
+	"github.com/rddl-network/elements-rpc/types"
+	"github.com/rddl-network/elements-rpc/utils"
+)
+
+func DeriveAddresses(url string, params []string) (addresses types.DeriveAddressesResult, err error) {
+	result, err := SendRequest(url, types.MethodDeriveAddresses, params)
+	if err != nil {
+		return
+	}
+
+	addresses = utils.ParseResultToArray(result)
+	return
+}

utils/mocks/client.go

@@ -36,7 +36,8 @@ var (
 	transactionResult                  = types.GetTransactionResult{Hex: zeros, TxID: zeros, Amount: map[string]float64{
 		"7add40beb27df701e02ee85089c5bc0021bc813823fedb5f1dcb5debda7f3da9": 10000,
 	}}
-	zeros = "0000000000000000000000000000000000000000000000000000000000000000"
+	testDeriveAddressesResult = types.DeriveAddressesResult{address}
+	zeros                     = "0000000000000000000000000000000000000000000000000000000000000000"
 )
 
 // GetDoFunc fetches the mock client's `Do` func
@@ -80,6 +81,8 @@ func GetDoFunc(req *http.Request) (*http.Response, error) {
 		response.Result = signRawTransactionWithWalletResult
 	case types.MethodTestMempoolAccept:
 		response.Result = testMempoolAcceptResults
+	case types.MethodDeriveAddresses:
+		response.Result = testDeriveAddressesResult
 	default:
 		response.Result = nil
 		response.Error.Code = -1337

utils/parse_result.go

@@ -0,0 +1,11 @@
+package utils
+
+import "strings"
+
+func ParseResultToArray(result []byte) (resultArr []string) {
+	resultStr := string(result)
+	truncatedStr := resultStr[1 : len(resultStr)-1] // remove [] at beginning and end of Str
+	sanitizedStr := strings.ReplaceAll(truncatedStr, "\"", "")
+
+	return strings.Split(sanitizedStr, ",")
+}