Merge #938: Allow deprecated function call

29843c4 Allow deprecated function call (Tobin Harding)

Pull request description:

  We have a deprecated function call because of the MSRV, tell clippy to ignore it.

ACKs for top commit:
  Kixunil:
    ACK 29843c4 conditioned on adding this to MSRV bump TODO list.
  sanket1729:
    ACK 29843c4.

Tree-SHA512: 3e2bf95d05c3baff4f01c447717dde4e78d686cbc6f720591f6656ce1e5d8cf3a276a0c3dc0016dea357b61350091778d4500a59427ea9863eb5bb9344b822e4

src/util/psbt/map/input.rs

@@ -166,6 +166,7 @@ impl fmt::Display for PsbtSighashType {
     }
 }
 
+#[allow(deprecated)]  // TODO: Swap `trim_left_matches` for `trim_start_matches` once MSRV >= 1.30.
 impl FromStr for PsbtSighashType {
     type Err = SighashTypeParseError;
 
@@ -183,7 +184,6 @@ impl FromStr for PsbtSighashType {
         }
 
         // We accept non-standard sighash values.
-        // TODO: Swap `trim_left_matches` for `trim_start_matches` once MSRV >= 1.30.
         if let Ok(inner) = u32::from_str_radix(s.trim_left_matches("0x"), 16) {
             return Ok(PsbtSighashType { inner });
         }