feat(contracts): implement nester protocol orchestrator contract#279
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0xDeon merged 1 commit intoSuncrest-Labs:mainfrom Apr 23, 2026
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…crest-Labs#234) packages/contracts/contracts/nester/ — was an empty crate with no #[contract] attribute, no entry points, and no storage definitions. Deploying it in that state would have produced a zero-function WASM and silently broken every integration that calls into it. What's added: lib.rs - NesterContract with initialize, upgrade, update_contract, and full set of address getters (vault_usdc, vault_xlm, vault_token_usdc, vault_token_xlm, treasury, yield_registry, allocation_strategy) - upgrade() calls env.deployer().update_current_contract_wasm() so the protocol can migrate to a new WASM without losing the contract ID; version counter is incremented on every successful upgrade - ContractKind enum allows atomic single-reference updates via update_contract() without touching the rest of the registry - Delegates RBAC to nester_access_control (Admin role required for all mutating calls); two-step admin transfer forwarded unchanged - All events use the existing (contract, action, entity) 3-topic structure from nester_common::emit_event test.rs — 15 unit tests covering: initialize: all addresses stored, version=1, admin role granted, double-init panics getters: panic before initialization (NotInitialized guard) update_contract: happy path, isolation across kinds, full enum coverage, non-admin rejection access control: grant/revoke, has_role negative case, two-step admin transfer Cargo.toml — renamed crate to nester-contract, added crate-type ["cdylib","rlib"], added soroban-sdk/nester-common/nester-access-control dependencies deploy-testnet.sh — adds build, optimize, deploy, and initialize steps for yield_registry, allocation_strategy, and nester (in correct dependency order); extends output .env file with the new contract IDs
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Closes #234
Summary
contracts/nester/src/lib.rs— implementsNesterContractwith#[contract]/#[contractimpl], replacing the previously empty filecontracts/nester/src/test.rs— 15 unit tests (all green viacargo test -p nester-contract)contracts/nester/Cargo.toml— renamed fromnester-snapshots→nester-contract, addedcdylib/rlibcrate types and proper dependenciesscripts/deploy-testnet.sh— extended to build, optimize, deploy, and initializeyield_registry,allocation_strategy, andnester(in dependency order)What the contract does
initializeupgradeupdate_current_contract_wasm; increments version counterupdate_contractContractKindenum)vault_usdc / vault_xlm / …NotInitializedbeforeinitializeversiongrant_role / revoke_role / transfer_admin / accept_admin / has_rolenester_access_controlUpgrade path (addresses accidental-deployment risk)
upgrade(admin, new_wasm_hash)callsenv.deployer().update_current_contract_wasm()so the protocol can fix bugs or add features without losing the deployed contract ID. The version counter and event are written before the WASM swap.Test plan
cargo check -p nester-contract— clean build (no pre-compiled WASM needed)cargo test -p nester-contract— 15/15 tests passAlreadyInitializedNotInitializedbeforeinitializeupdate_contractcovers all 7ContractKindvariantsUnauthorized