Offline mode

crates/chain/src/lib.rs

@@ -66,9 +66,7 @@ impl Chain {
             | Self::Optimism => U256::from(10u128.pow(17)),
             Self::Gnosis | Self::Avalanche | Self::Lens => U256::from(10u128.pow(18)),
             Self::Polygon | Self::Plasma => U256::from(10u128.pow(20)),
-            Self::Hardhat => {
-                panic!("unsupported chain for default amount to estimate native prices with")
-            }
+            Self::Hardhat => U256::from(10u128.pow(17)), // Use same as testnets for local testing
         }
     }
 

crates/shared/src/price_estimation/native/coingecko.rs

@@ -83,7 +83,9 @@ impl CoinGecko {
             Chain::Lens => "lens".to_string(),
             Chain::Linea => "linea".to_string(),
             Chain::Plasma => "plasma".to_string(),
-            Chain::Sepolia | Chain::Goerli | Chain::Hardhat => {
+            // Hardhat/Anvil is a local Ethereum fork, use ethereum pricing for offline development
+            Chain::Hardhat => "ethereum".to_string(),
+            Chain::Sepolia | Chain::Goerli => {
                 anyhow::bail!("unsupported network {}", chain.name())
             }
         };

crates/solvers/src/infra/contracts.rs

@@ -15,7 +15,13 @@ impl Contracts {
         Self {
             weth: eth::WethAddress(
                 WETH9::deployment_address(&chain.id())
-                    .expect("there should be a contract address for all supported chains")
+                    .or_else(|| {
+                        std::env::var("WETH_ADDRESS")
+                            .or_else(|_| std::env::var("NATIVE_TOKEN_ADDRESS"))
+                            .ok()
+                            .and_then(|addr| addr.parse().ok())
+                    })
+                    .expect("no WETH address for chain - set WETH_ADDRESS or NATIVE_TOKEN_ADDRESS environment variable")
                     .into_legacy(),
             ),
         }

playground/.env.offline

@@ -0,0 +1,32 @@
+# Auto-generated by deploy-all.ts
+# Generated at: 1765463809
+
+# Network Configuration
+CHAIN_ID=31337
+NODE_URL=http://chain:8545
+SIMULATION_NODE_URL=http://chain:8545
+
+# Token Addresses
+WETH_ADDRESS=0x2affea51aaf12ef2df1253d5f4f1137488f266df
+DAI_ADDRESS=0x40ad751bdc22ebdfdd41afa3ced2260e12485de9
+USDC_ADDRESS=0xa40d523b294f92b09d066e6679fda4ddf79ba26c
+USDT_ADDRESS=0x4142ef2d123cd994f4bca7b06bcae6c441e764f2
+GNO_ADDRESS=0xc242f5cb5fb5c43143f97c8da44ce2f067adb4b7
+NATIVE_TOKEN_ADDRESS=0x2affea51aaf12ef2df1253d5f4f1137488f266df
+
+# Uniswap V2 Addresses
+UNISWAP_V2_FACTORY_ADDRESS=0x75bb62d11fc5aa893827203d977e0931d269580d
+UNISWAP_V2_ROUTER_ADDRESS=0x205200ad9c2f01fee2f8f5a0ca3ea24395530bbb
+
+# CoW Protocol Addresses
+SETTLEMENT_CONTRACT_ADDRESS=0x73fce72b0d67ca1b22b81f07440c71a018aaa0f1
+AUTHENTICATOR_ADDRESS=0xee308bbdaafbd435312741abed5883278aa6a783
+VAULT_RELAYER_ADDRESS=0x477468f95f2de81d0e8482940c8a2c8f2bf41928
+BALANCER_VAULT_ADDRESS=0x77604580e57a1632a3fe5d899fc81ea197beae43
+BALANCES_CONTRACT_ADDRESS=0xc0aaa2bafd66721e583c7b41002d0771aa95f6bf
+SIGNATURES_CONTRACT_ADDRESS=0x74b0d030c84a587ded98abec87bbbbb4d0790037
+HOOKS_CONTRACT_ADDRESS=0x11a17c3b360ad70a7c8fff06d2d858f31031f8be
+
+# CoWShed Addresses
+COWSHED_FACTORY_ADDRESS=0xdb086a44b9db2650e9e3c1f21fc7ba6b7d4b6681
+COWSHED_IMPLEMENTATION_ADDRESS=0xceeea420f4dae4e0405f0e218b8da6114d01dde3

playground/.env.offline.services

@@ -0,0 +1,48 @@
+# CoW Protocol Services Configuration
+# Common environment variables for orderbook, autopilot, driver, and baseline
+
+# Network Configuration
+NODE_URL=http://chain:8545
+SIMULATION_NODE_URL=http://chain:8545
+
+# Price Estimation Configuration
+PRICE_ESTIMATORS=None
+PRICE_ESTIMATION_DRIVERS=baseline|http://driver/baseline
+NATIVE_PRICE_ESTIMATORS=baseline|http://driver/baseline,CoinGecko
+COIN_GECKO_URL=http://coingecko-mock:3000/api/v3/simple/token_price
+AMOUNT_TO_ESTIMATE_PRICES_WITH=100000000000000000
+
+# Baseline Solver Configuration
+BASELINE_SOURCES=UniswapV2
+TOKEN_OWNER_FINDERS=liquidity
+
+# Drivers Configuration
+DRIVERS=baseline|http://driver/baseline
+
+# Debugging & Tracing
+RUST_BACKTRACE=1
+TOML_TRACE_ERROR=1
+TRACING_COLLECTOR_ENDPOINT=http://tempo:4317
+
+# Tokio Console
+TOKIO_CONSOLE=true
+TOKIO_CONSOLE_RETENTION=600sec
+TOKIO_CONSOLE_BIND=0.0.0.0:6669
+
+# Autopilot Specific
+SETTLE_INTERVAL=15s
+GAS_ESTIMATORS=Native,Web3
+BLOCK_STREAM_POLL_INTERVAL=1s
+NATIVE_PRICE_CACHE_MAX_UPDATE_SIZE=100
+NATIVE_PRICE_CACHE_MAX_AGE=20m
+SOLVER_TIME_LIMIT=5
+RUN_LOOP_NATIVE_PRICE_TIMEOUT=5s
+NATIVE_PRICE_ESTIMATION_RESULTS_REQUIRED=1
+DISABLE_ORDER_FILTERING=true
+SKIP_EVENT_SYNC=true
+
+# Orderbook Specific
+SKIP_TRACE_API=true
+EIP1271_SKIP_CREATION_VALIDATION=true
+ENABLE_EIP1271_ORDERS=true
+BIND_ADDRESS=0.0.0.0:80