Feat wrote smart contract for project milestone

.gitignore

@@ -40,3 +40,9 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+target
+.snfoundry_cache/
+snfoundry_trace/
+coverage/
+profile/

onchain/budget_contract/Scarb.lock

@@ -0,0 +1,24 @@
+# Code generated by scarb DO NOT EDIT.
+version = 1
+
+[[package]]
+name = "fund_request_contract"
+version = "0.1.0"
+dependencies = [
+ "snforge_std",
+]
+
+[[package]]
+name = "snforge_scarb_plugin"
+version = "0.44.0"
+source = "registry+https://scarbs.xyz/"
+checksum = "sha256:ec8c7637b33392a53153c1e5b87a4617ddcb1981951b233ea043cad5136697e2"
+
+[[package]]
+name = "snforge_std"
+version = "0.44.0"
+source = "registry+https://scarbs.xyz/"
+checksum = "sha256:d4affedfb90715b1ac417b915c0a63377ae6dd69432040e5d933130d65114702"
+dependencies = [
+ "snforge_scarb_plugin",
+]

onchain/budget_contract/Scarb.toml

@@ -0,0 +1,52 @@
+[package]
+name = "fund_request_contract"
+version = "0.1.0"
+edition = "2024_07"
+
+# See more keys and their definitions at https://docs.swmansion.com/scarb/docs/reference/manifest.html
+
+[dependencies]
+starknet = "2.11.4"
+
+[dev-dependencies]
+snforge_std = "0.44.0"
+assert_macros = "2.11.4"
+
+[[target.starknet-contract]]
+sierra = true
+
+[scripts]
+test = "snforge test"
+
+[tool.scarb]
+allow-prebuilt-plugins = ["snforge_std"]
+
+# Visit https://foundry-rs.github.io/starknet-foundry/appendix/scarb-toml.html for more information
+
+# [tool.snforge]                                             # Define `snforge` tool section
+# exit_first = true                                          # Stop tests execution immediately upon the first failure
+# fuzzer_runs = 1234                                         # Number of runs of the random fuzzer
+# fuzzer_seed = 1111                                         # Seed for the random fuzzer
+
+# [[tool.snforge.fork]]                                      # Used for fork testing
+# name = "SOME_NAME"                                         # Fork name
+# url = "http://your.rpc.url"                                # Url of the RPC provider
+# block_id.tag = "latest"                                    # Block to fork from (block tag)
+
+# [[tool.snforge.fork]]
+# name = "SOME_SECOND_NAME"
+# url = "http://your.second.rpc.url"                         
+# block_id.number = "123"                                    # Block to fork from (block number)
+
+# [[tool.snforge.fork]]
+# name = "SOME_THIRD_NAME"
+# url = "http://your.third.rpc.url"
+# block_id.hash = "0x123"                                    # Block to fork from (block hash)
+
+# [profile.dev.cairo]                                        # Configure Cairo compiler
+# unstable-add-statements-code-locations-debug-info = true   # Should be used if you want to use coverage
+# unstable-add-statements-functions-debug-info = true        # Should be used if you want to use coverage/profiler
+# inlining-strategy = "avoid"                                # Should be used if you want to use coverage
+
+# [features]                                                 # Used for conditional compilation
+# enable_for_tests = []                                      # Feature name and list of other features that should be enabled with it

onchain/budget_contract/snfoundry.toml

@@ -0,0 +1,11 @@
+# Visit https://foundry-rs.github.io/starknet-foundry/appendix/snfoundry-toml.html
+# and https://foundry-rs.github.io/starknet-foundry/projects/configuration.html for more information
+
+# [sncast.default]                                         # Define a profile name
+# url = "https://starknet-sepolia.public.blastapi.io/rpc/v0_8" # Url of the RPC provider
+# accounts-file = "../account-file"                        # Path to the file with the account data
+# account = "mainuser"                                     # Account from `accounts_file` or default account file that will be used for the transactions
+# keystore = "~/keystore"                                  # Path to the keystore file
+# wait-params = { timeout = 300, retry-interval = 10 }     # Wait for submitted transaction parameters
+# block-explorer = "StarkScan"                             # Block explorer service used to display links to transaction details
+# show-explorer-links = true                               # Print links pointing to pages with transaction details in the chosen block explorer