feat(target_chains/starknet): create project

Author: Riateche

target_chains/starknet/contracts/.gitignore

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+target

target_chains/starknet/contracts/Scarb.lock

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+# Code generated by scarb DO NOT EDIT.
+version = 1
+
+[[package]]
+name = "pyth"
+version = "0.1.0"

target_chains/starknet/contracts/Scarb.toml

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+[package]
+name = "pyth"
+version = "0.1.0"
+edition = "2023_11"
+
+[dependencies]
+starknet = ">=2.5.4"
+
+[[target.starknet-contract]]

target_chains/starknet/contracts/src/lib.cairo

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+mod pyth;
+mod wormhole;

target_chains/starknet/contracts/src/pyth.cairo

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+#[starknet::interface]
+trait IPyth<T> {
+    fn get_name(self: @T) -> felt252;
+    fn set_name(ref self: T, name: felt252);
+}
+
+#[starknet::contract]
+mod pyth {
+    #[storage]
+    struct Storage {
+        name: felt252,
+    }
+
+    #[constructor]
+    fn constructor(ref self: ContractState, name: felt252) {
+        self.name.write(name);
+    }
+
+    #[abi(embed_v0)]
+    impl HelloImpl of super::IPyth<ContractState> {
+        fn get_name(self: @ContractState) -> felt252 {
+            self.name.read() + 1
+        }
+
+        fn set_name(ref self: ContractState, name: felt252) {
+            self.name.write(name - 1);
+        }
+    }
+}

target_chains/starknet/contracts/src/wormhole.cairo

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+#[starknet::interface]
+trait IWormhole<T> {
+    fn get_value(self: @T) -> felt252;
+    fn set_value(ref self: T, name: felt252);
+}
+
+#[starknet::contract]
+mod wormhole {
+    #[storage]
+    struct Storage {
+        name: felt252,
+    }
+
+    #[constructor]
+    fn constructor(ref self: ContractState, name: felt252) {
+        self.name.write(name);
+    }
+
+    #[abi(embed_v0)]
+    impl HelloImpl of super::IWormhole<ContractState> {
+        fn get_value(self: @ContractState) -> felt252 {
+            self.name.read() + 2
+        }
+
+        fn set_value(ref self: ContractState, name: felt252) {
+            self.name.write(name - 2);
+        }
+    }
+}