offers: remove blinding from decode JSON-RPC.

rustyrussell · rustyrussell · commit ba75f7bcf1f6 · 2025-10-01T15:32:54.000+09:30
Deprecated in 24.11, disabled in 25.05.

Changelog-Removed: JSON-RPC: `decode` field `blinding` (use `first_path_key` as per modern BOLT naming)
Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
diff --git a/doc/developers-guide/deprecated-features.md b/doc/developers-guide/deprecated-features.md
@@ -8,7 +8,6 @@ hidden: false
 | Name                                 | Type               | First Deprecated | Last Supported | Description                                                                                                                                                                     |
 |--------------------------------------|--------------------|------------------|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | listpeers.features.option_anchors_zero_fee_htlc_tx | Field | v24.08          | v25.09         | Renamed to `option_anchors` in the spec: check for that in `features` instead                                                          |
-| decode.blinding                      | Field              | v24.11           | v25.05         | Renamed to `first_path_key` in BOLT 4 (available in `decode` from v24.11)                                                              |
 | onion_message_recv.blinding          | Hook Field         | v24.11           | v25.05         | Renamed to `first_path_key` in BOLT 4 (available in hook from v24.11)                                                                  |
 | decodepay                            | Command            | v24.11           | v25.12         | Use `decode` which is more powerful (since v23.05)                                                                                     |
 | close.tx                             | Field              | v24.11           | v25.12         | Use txs array instead                                                                                                                  |
diff --git a/plugins/offers.c b/plugins/offers.c
@@ -608,8 +608,6 @@ static bool json_add_blinded_paths(struct command *cmd,
 				     paths[i]->first_node_id.scidd.dir);
 		}
 
-		if (command_deprecated_out_ok(cmd, "blinding", "v24.11", "v25.05"))
-			json_add_pubkey(js, "blinding", &paths[i]->first_path_key);
 		json_add_pubkey(js, "first_path_key", &paths[i]->first_path_key);
 
 		/* Don't crash if we're short a payinfo! */

Original file line number	Diff line number	Diff line change
`@@ -608,8 +608,6 @@ static bool json_add_blinded_paths(struct command *cmd,`
`608`	`608`	`paths[i]->first_node_id.scidd.dir);`
`609`	`609`	`}`
`610`	`610`
`611`		`- if (command_deprecated_out_ok(cmd, "blinding", "v24.11", "v25.05"))`
`612`		`- json_add_pubkey(js, "blinding", &paths[i]->first_path_key);`
`613`	`611`	`json_add_pubkey(js, "first_path_key", &paths[i]->first_path_key);`
`614`	`612`
`615`	`613`	`/* Don't crash if we're short a payinfo! */`