bip44 generate public key from account extended public key

iskyd · Jun 28, 2024 · a8e65b7 · a8e65b7
1 parent f3943d9
commit a8e65b7
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/bip44.zig b/src/bip44.zig
@@ -46,6 +46,13 @@ pub fn generateAccountPrivate(epk: bip32.ExtendedPrivateKey, purpose: u32, coint
     return indexepk;
 }
 
+pub fn generatePublicFromAccountPublicKey(pk: bip32.ExtendedPublicKey, change: u32, index: u32) !bip32.PublicKey {
+    const changepk = try bip32.deriveChildFromExtendedPublicKey(pk, change);
+    const indexepk = try bip32.deriveChildFromExtendedPublicKey(changepk, index);
+
+    return indexepk.key;
+}
+
 test "generateAccount" {
     const serializedAddr = "tprv8ZgxMBicQKsPefj8cBDzcXJYcnvWBLQwG9sAvKyAYRPiLtdZXvdAmqtjzeHbX7ZX2LY8Sfb7SaLSJbGCFBPMFZdnmv4D7UebvyLTC974BA4".*;
     const masterExtendedPrivate = try bip32.ExtendedPrivateKey.fromAddress(serializedAddr);