Add derivation methods for claims and spl meta

Change-Id: I4e8056b37d441caf7bca94037585c37afe25cc24

solana/bridge/program/src/wasm.rs

@@ -46,6 +46,8 @@ use crate::{
         GovernancePayloadTransferFees,
         GovernancePayloadUpgrade,
     },
+    Claim,
+    ClaimDerivationData,
     PostVAAData,
     VerifySignaturesData,
 };
@@ -343,6 +345,22 @@ pub fn fee_collector_address(bridge: String) -> Vec<u8> {
     bridge_key.to_bytes().to_vec()
 }
 
+#[wasm_bindgen]
+pub fn claim_address(program_id: String, vaa: Vec<u8>) -> Vec<u8> {
+    let program_id = Pubkey::from_str(program_id.as_str()).unwrap();
+
+    let vaa = VAA::deserialize(vaa.as_slice()).unwrap();
+    let claim_key = Claim::<'_, { AccountState::Initialized }>::key(
+        &ClaimDerivationData {
+            emitter_address: vaa.emitter_address,
+            emitter_chain: vaa.emitter_chain,
+            sequence: vaa.sequence,
+        },
+        &program_id,
+    );
+    claim_key.to_bytes().to_vec()
+}
+
 #[wasm_bindgen]
 pub fn parse_posted_message(data: Vec<u8>) -> JsValue {
     JsValue::from_serde(&PostedVAAData::try_from_slice(data.as_slice()).unwrap().0).unwrap()

solana/modules/nft_bridge/program/src/wasm.rs

@@ -2,6 +2,8 @@ use crate::{
     accounts::{
         AuthoritySigner,
         EmitterAccount,
+        SplTokenMeta,
+        SplTokenMetaDerivationData,
         WrappedDerivationData,
         WrappedMetaDerivationData,
         WrappedMint,
@@ -404,6 +406,18 @@ pub fn wrapped_meta_address(program_id: String, mint_address: Vec<u8>) -> Vec<u8
     wrapped_meta_addr.to_bytes().to_vec()
 }
 
+#[wasm_bindgen]
+pub fn spl_meta_address(mint_address: Vec<u8>) -> Vec<u8> {
+    let mint_key = Pubkey::new(mint_address.as_slice());
+
+    let spl_metadata = SplTokenMeta::key(
+        &SplTokenMetaDerivationData { mint: mint_key },
+        &spl_token_metadata::id(),
+    );
+
+    spl_metadata.to_bytes().to_vec()
+}
+
 #[wasm_bindgen]
 pub fn parse_wrapped_meta(data: Vec<u8>) -> JsValue {
     JsValue::from_serde(&WrappedMeta::try_from_slice(data.as_slice()).unwrap()).unwrap()