Test walletdisplayaddress

integration_test/tests/signer.rs

@@ -33,3 +33,87 @@ fn signer__enumerate_signers() {
 
     assert_eq!(first_tx.fingerprint, "deadbeef");
 }
+
+#[test]
+#[cfg(unix)]
+#[cfg(not(feature = "v21_and_below"))]
+fn signer__wallet_display_address() {
+    use std::os::unix::fs::PermissionsExt;
+
+    let xpub = "tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B";
+
+    // Mock signer script that handles `enumerate`, `getdescriptors`, and
+    // `displayaddress` sub-commands — the three commands bitcoind invokes when
+    // creating an external-signer wallet and then displaying an address.
+    let script_path = integration_test::random_tmp_file();
+    let script_body = format!(
+        r#"#!/bin/sh
+CMD=""
+ACCOUNT=""
+DESC=""
+while [ $# -gt 0 ]; do
+    case "$1" in
+    --fingerprint) shift ;;
+    --chain)       shift ;;
+    --account)     ACCOUNT="$2'"; shift ;;
+    --desc)        DESC="$2"; shift ;;
+    enumerate|getdescriptors|displayaddress) CMD="$1" ;;
+    esac
+    shift
+done
+
+case "$CMD" in
+    enumerate)
+    echo '[{{"fingerprint":"00000001","type":"trezor","model":"trezor_t"}}]'
+    ;;
+    getdescriptors)
+    cat <<EOF
+{{"receive":["wpkh([00000001/84h/1h/${{ACCOUNT}}]{xpub}/0/*)#h62dxaej"],"internal":["wpkh([00000001/84h/1h/${{ACCOUNT}}]{xpub}/1/*)#xw0vmgf2"]}}
+EOF
+    ;;
+    displayaddress)
+    case "$DESC" in
+        "wpkh([00000001/84h/1h/0h/0/0]02c97dc3f4420402e01a113984311bf4a1b8de376cac0bdcfaf1b3ac81f13433c7)#3te6hhy7"|"wpkh([00000001/84'/1'/0'/0/0]02c97dc3f4420402e01a113984311bf4a1b8de376cac0bdcfaf1b3ac81f13433c7)#0yneg42r")
+        echo '{{"address":"bcrt1qm90ugl4d48jv8n6e5t9ln6t9zlpm5th68x4f8g"}}'
+        ;;
+        *)
+        echo '{{"error":"Unexpected descriptor","desc":"'"$DESC"'"}}'
+        exit 1
+        ;;
+    esac
+    ;;
+    *)
+    echo '{{"error":"Unknown command"}}'
+    exit 1
+    ;;
+esac
+"#
+    );
+    std::fs::write(&script_path, script_body).expect("write signer script");
+    std::fs::set_permissions(&script_path, std::fs::Permissions::from_mode(0o755)).expect("chmod");
+
+    let signer_arg = format!("-signer={}", script_path.to_str().unwrap());
+    let node = Node::with_wallet(Wallet::None, &[&signer_arg]);
+
+    let _: node::serde_json::Value = node
+        .client
+        .call(
+            "createwallet",
+            &[
+                "hww".into(),                  // wallet_name
+                true.into(),                   // disable_private_keys
+                false.into(),                  // blank
+                "".into(),                     // passphrase
+                false.into(),                  // avoid_reuse
+                true.into(),                   // descriptors
+                node::serde_json::Value::Null, // load_on_startup
+                true.into(),                   // external_signer
+            ],
+        )
+        .expect("createwallet with external signer");
+
+    let address = "bcrt1qm90ugl4d48jv8n6e5t9ln6t9zlpm5th68x4f8g";
+    let json: WalletDisplayAddress =
+        node.client.wallet_display_address(address).expect("walletdisplayaddress");
+    assert_eq!(json.address, address);
+}