Rename some files

programs/zk-token-proof/src/lib.rs

@@ -0,0 +1,30 @@
+#![forbid(unsafe_code)]
+
+use {
+    solana_sdk::{
+        ic_msg, instruction::InstructionError, process_instruction::InvokeContext, pubkey::Pubkey,
+    },
+    spl_zk_token_crypto::instruction::*,
+    std::result::Result,
+};
+
+pub fn process_instruction(
+    program_id: &Pubkey,
+    input: &[u8],
+    invoke_context: &mut dyn InvokeContext,
+) -> Result<(), InstructionError> {
+    match ProofInstruction::decode_type(program_id, input)
+        .ok_or(InstructionError::InvalidInstructionData)?
+    {
+        ProofInstruction::VerifyUpdateAccountPkData => {
+            ic_msg!(invoke_context, "VerifyUpdateAccountPkData");
+            let proof = ProofInstruction::decode_data::<UpdateAccountPkData>(input)
+                .ok_or(InstructionError::InvalidInstructionData)?;
+
+            proof.verify().map_err(|err| {
+                ic_msg!(invoke_context, "proof verification failed: {:?}", err);
+                InstructionError::InvalidInstructionData
+            })
+        }
+    }
+}