decred.org/dcrdex@v1.0.5/dex/keygen/keygen_test.go (about)

     1  package keygen
     2  
     3  import (
     4  	"bytes"
     5  	"testing"
     6  
     7  	"decred.org/dcrdex/dex/encode"
     8  	"github.com/decred/dcrd/hdkeychain/v3"
     9  )
    10  
    11  func TestGenDeepChild(t *testing.T) {
    12  	seed := encode.RandomBytes(64)
    13  
    14  	root, err := hdkeychain.NewMaster(seed, &RootKeyParams{})
    15  	if err != nil {
    16  		t.Fatalf("error getting HD keychain root: %v", err)
    17  	}
    18  
    19  	expectedChild, err := root.ChildBIP32Std(1)
    20  	if err != nil {
    21  		t.Fatalf("error deriving child: %v", err)
    22  	}
    23  
    24  	expectedChild, err = expectedChild.ChildBIP32Std(2)
    25  	if err != nil {
    26  		t.Fatalf("error deriving child: %v", err)
    27  	}
    28  
    29  	expectedChild, err = expectedChild.ChildBIP32Std(3)
    30  	if err != nil {
    31  		t.Fatalf("error deriving child: %v", err)
    32  	}
    33  
    34  	child, err := GenDeepChild(seed, []uint32{1, 2, 3})
    35  	if err != nil {
    36  		t.Fatalf("error in GenDeepChild: %v", err)
    37  	}
    38  
    39  	expectedSerializedPrivKey, err := expectedChild.SerializedPrivKey()
    40  	if err != nil {
    41  		t.Fatalf("error serializing priv key: %v", err)
    42  	}
    43  
    44  	serializedPrivKey, err := child.SerializedPrivKey()
    45  	if err != nil {
    46  		t.Fatalf("error serializing priv key: %v", err)
    47  	}
    48  
    49  	if !bytes.Equal(expectedSerializedPrivKey, serializedPrivKey) {
    50  		t.Fatalf("private keys not equal:\n%x\n%x", expectedSerializedPrivKey, serializedPrivKey)
    51  	}
    52  }