solana: example receiver

chains/solana/contracts/Anchor.toml

@@ -24,10 +24,11 @@ wallet = "id.json"
 
 [programs.localnet]
 access_controller = "9xi644bRR8birboDGdTiwBq3C7VEeR7VuamRYYXCubUW"
-ccip_receiver = "CtEVnHsQzhTNWav8skikiV2oF6Xx7r7uGGa8eCDQtTjH"
-ccip_invalid_receiver = "9Vjda3WU2gsJgE4VdU6QuDw8rfHLyigfFyWs3XDPNUn8"
 ccip_router = "C8WSPj3yyus1YN3yNB6YA5zStYtbjQWtpmKadmvyUXq8"
-token_pool = "GRvFSLwR7szpjgNEZbGe4HtxfJYXqySXuuRUAJDpu4WH"
-external_program_cpi_stub  = "4HeqEoSyfYpeC2goFLj9eHgkxV33mR5G7JYAbRsN14uQ"
 mcm = "6UmMZr5MEqiKWD5jqTJd1WCR5kT8oZuFYBLJFi1o6GQX"
 timelock = "LoCoNsJFuhTkSQjfdDfn3yuwqhSYoPujmviRHVCzsqn"
+token_pool = "GRvFSLwR7szpjgNEZbGe4HtxfJYXqySXuuRUAJDpu4WH"
+example_ccip_receiver = "CcipReceiver1111111111111111111111111111111"
+test_ccip_receiver = "CtEVnHsQzhTNWav8skikiV2oF6Xx7r7uGGa8eCDQtTjH"
+test_ccip_invalid_receiver = "9Vjda3WU2gsJgE4VdU6QuDw8rfHLyigfFyWs3XDPNUn8"
+external_program_cpi_stub  = "4HeqEoSyfYpeC2goFLj9eHgkxV33mR5G7JYAbRsN14uQ"

chains/solana/contracts/programs/ccip-router/src/instructions/v1/offramp.rs

@@ -464,11 +464,13 @@ fn internal_execute<'info>(
             CcipRouterError::OfframpInvalidDataLength
         );
 
+        // parse pool return data into SVMTokenAmount
         token_amounts[i] = SVMTokenAmount {
             token: accs.mint.key(),
             amount: ReleaseOrMintOutV1::try_from_slice(&return_data)?.destination_amount,
         };
 
+        // validate user recieved tokens according to the amount returned by the token pool
         let post_bal = get_balance(accs.user_token_account)?;
         require!(
             post_bal >= init_bal && post_bal - init_bal == token_amounts[i].amount,

chains/solana/contracts/programs/ccip-receiver/Cargo.toml → chains/solana/contracts/programs/example-ccip-receiver/Cargo.toml

@@ -1,19 +1,20 @@
 [package]
-name = "ccip_receiver"
+name = "example_ccip_receiver"
 version = "0.1.0-dev"
 description = "Created with Anchor"
 edition = "2021"
 
 [lib]
 crate-type = ["cdylib", "lib"]
-name = "ccip_receiver"
+name = "example_ccip_receiver"
 
 [features]
 no-entrypoint = []
 no-idl = []
 no-log-ix-name = []
 cpi = ["no-entrypoint"]
 default = []
+idel-build = ["anchor-lang/idl-build"]
 
 [dependencies]
 solana-program = "1.17.25" # pin solana to 1.17