feat(multisig_change_threshold): expose instruction

Author: vovacodes

programs/squads_multisig_program/src/lib.rs

@@ -55,6 +55,14 @@ pub mod squads_multisig_program {
         MultisigConfig::multisig_set_time_lock(ctx, args)
     }
 
+    /// Set the `threshold` config parameter for the controlled multisig.
+    pub fn multisig_change_threshold(
+        ctx: Context<MultisigConfig>,
+        args: MultisigChangeThresholdArgs,
+    ) -> Result<()> {
+        MultisigConfig::multisig_change_threshold(ctx, args)
+    }
+
     /// Set the multisig `config_authority`.
     pub fn multisig_set_config_authority(
         ctx: Context<MultisigConfig>,

sdk/multisig/idl/squads_multisig_program.json

@@ -192,6 +192,55 @@
         }
       ]
     },
+    {
+      "name": "multisigChangeThreshold",
+      "docs": [
+        "Set the `threshold` config parameter for the controlled multisig."
+      ],
+      "accounts": [
+        {
+          "name": "multisig",
+          "isMut": true,
+          "isSigner": false
+        },
+        {
+          "name": "configAuthority",
+          "isMut": false,
+          "isSigner": true,
+          "docs": [
+            "Multisig `config_authority` that must authorize the configuration change."
+          ]
+        },
+        {
+          "name": "rentPayer",
+          "isMut": true,
+          "isSigner": true,
+          "isOptional": true,
+          "docs": [
+            "The account that will be charged or credited in case the multisig account needs to reallocate space,",
+            "for example when adding a new member or a spending limit.",
+            "This is usually the same as `config_authority`, but can be a different account if needed."
+          ]
+        },
+        {
+          "name": "systemProgram",
+          "isMut": false,
+          "isSigner": false,
+          "isOptional": true,
+          "docs": [
+            "We might need it in case reallocation is needed."
+          ]
+        }
+      ],
+      "args": [
+        {
+          "name": "args",
+          "type": {
+            "defined": "MultisigChangeThresholdArgs"
+          }
+        }
+      ]
+    },
     {
       "name": "multisigSetConfigAuthority",
       "docs": [