Accumulator Updater Program (#712)

* feat(accumulator_updater): initial skeleton for accumulator_udpater program

Initial layout for accumulator updater program. Includes mock-cpi-caller which is meant to represent
pyth oracle(or any future allowed program) that will call the accumulator updater program. All
implementation details are open for discussion/subject to change

* test(accumulator_updater): add additional checks in tests and minor clean up

* chore(accumulator_updater): misc clean-up

* refactor(accumulator_updater): added comments & to-dos and minor refactoring to address PR comments

Author: swimricky

.pre-commit-config.yaml

@@ -58,9 +58,23 @@ repos:
         entry: cargo +nightly clippy --manifest-path ./target_chains/cosmwasm/Cargo.toml --tests --fix --allow-dirty --allow-staged -- -D warnings
         pass_filenames: false
         files: target_chains/cosmwasm
+      # Hooks for price-service/server-rust
       - id: cargo-fmt-price-service
         name: Cargo format for Rust Price Service
         language: "rust"
         entry: cargo +nightly fmt --manifest-path ./price_service/server-rust/Cargo.toml --all -- --config-path rustfmt.toml
         pass_filenames: false
         files: price_service/server-rust
+      # Hooks for accumulator updater contract
+      - id: cargo-fmt-accumulator-updater
+        name: Cargo format for accumulator updater contract
+        language: "rust"
+        entry: cargo +nightly fmt --manifest-path ./accumulator_updater/Cargo.toml --all -- --config-path rustfmt.toml
+        pass_filenames: false
+        files: accumulator_updater
+      - id: cargo-clippy-accumulator-updater
+        name: Cargo clippy for accumulator-updater contract
+        language: "rust"
+        entry: cargo +nightly clippy --manifest-path ./accumulator_updater/Cargo.toml --tests --fix --allow-dirty --allow-staged -- -D warnings
+        pass_filenames: false
+        files: accumulator_updater

accumulator_updater/.gitignore

@@ -0,0 +1,7 @@
+
+.anchor
+.DS_Store
+target
+**/*.rs.bk
+node_modules
+test-ledger

accumulator_updater/.prettierignore

@@ -0,0 +1,8 @@
+
+.anchor
+.DS_Store
+target
+node_modules
+dist
+build
+test-ledger

accumulator_updater/Anchor.toml

@@ -0,0 +1,16 @@
+[features]
+seeds = true
+skip-lint = false
+[programs.localnet]
+accumulator_updater = "Fg6PaFpoGXkYsidMpWTK6W2BeZ7FEfcYkg476zPFsLnS"
+mock_cpi_caller = "Dg5PaFpoGXkYsidMpWTK6W2BeZ7FEfcYkg476zPFsLnS"
+
+[registry]
+url = "https://api.apr.dev"
+
+[provider]
+cluster = "Localnet"
+wallet = "~/.config/solana/id.json"
+
+[scripts]
+test = "yarn run ts-mocha -p ./tsconfig.json -t 1000000 tests/**/*.ts"