Luizhatem/poc offline mode

configs/offline/baseline.toml

@@ -0,0 +1,9 @@
+chain-id = "31337" # Anvil local chain
+base-tokens = [
+    "0x5fbdb2315678afecb367f032d93f642f64180aa3", # WETH (auto-generated from deployment)
+    "0xcf7ed3acca5a467e9e704c703e8d87f634fb0fc9", # DAI (auto-generated from deployment)
+    "0x9fe46736679d2d9a65f0992f2272de9f3c7fa6e0", # USDC (auto-generated from deployment)
+]
+max-hops = 2
+max-partial-attempts = 5
+native-token-price-estimation-amount = "100000000000000000" # 0.1 ETH

configs/offline/driver.toml

@@ -0,0 +1,35 @@
+app-data-fetching-enabled = true
+orderbook-url = "http://orderbook"
+tx-gas-limit = "45000000"
+
+[[solver]]
+name = "baseline" # Arbitrary name given to this solver, must be unique
+endpoint = "http://baseline"
+absolute-slippage = "40000000000000000" # Denominated in wei, optional
+relative-slippage = "0.1" # Percentage in the [0, 1] range
+# Anvil account #0 private key (from test mnemonic)
+account = "0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80"
+
+[submission]
+gas-price-cap = "1000000000000"
+
+[[submission.mempool]]
+mempool = "public"
+
+[contracts]
+gp-v2-settlement = "0xb7f8bc63bbcad18155201308c8f3540b07f84f5e"
+weth = "0x5fbdb2315678afecb367f032d93f642f64180aa3"
+balances = "0xbd5a6618df333f8f66702daadc9a953e2b52a65d"
+signatures = "0x7377795aa7b4a8fca5e4e194f54eaff667db45f0"
+
+[liquidity]
+base-tokens = [
+    "0x5fbdb2315678afecb367f032d93f642f64180aa3", # WETH (auto-generated from deployment)
+    "0xcf7ed3acca5a467e9e704c703e8d87f634fb0fc9", # DAI (auto-generated from deployment)
+    "0x9fe46736679d2d9a65f0992f2272de9f3c7fa6e0", # USDC (auto-generated from deployment)
+]
+
+[[liquidity.uniswap-v2]] # Uniswap V2 configuration (auto-generated from deployment)
+router = "0x5fc8d32690cc91d4c39d9d3abcbd16989f875707"
+pool-code = "0xb6912aa8f91da604bdd903b3484a9f6bb569baa993085fc590133487ff27f91e" # Uniswap V2 init code hash
+missing-pool-cache-time = "1h"

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/solvers/src/infra/contracts.rs

@@ -15,7 +15,15 @@ impl Contracts {
         Self {
             weth: eth::WethAddress(
                 WETH9::deployment_address(&chain.id())
-                    .expect("there should be a contract address for all supported chains")
+                    .unwrap_or_else(|| {
+                        // For local development chains (Hardhat/Anvil), use the standard deployment
+                        // address from the test deployment at 0x5FbDB2315678afecb367f032d93F642f64180aa3
+                        if chain.id() == 31337 {
+                            "0x5FbDB2315678afecb367f032d93F642f64180aa3".parse().unwrap()
+                        } else {
+                            panic!("there should be a contract address for all supported chains")
+                        }
+                    })
                     .into_legacy(),
             ),
         }

playground/.env.offline

@@ -0,0 +1,25 @@
+# Auto-generated by deploy-all.sh
+# Generated at: 1763735432
+
+# Network Configuration
+CHAIN_ID=31337
+NODE_URL=http://chain:8545
+SIMULATION_NODE_URL=http://chain:8545
+
+# Token Addresses (from deployment)
+WETH_ADDRESS=0x5fbdb2315678afecb367f032d93f642f64180aa3
+DAI_ADDRESS=0xcf7ed3acca5a467e9e704c703e8d87f634fb0fc9
+USDC_ADDRESS=0x9fe46736679d2d9a65f0992f2272de9f3c7fa6e0
+NATIVE_TOKEN_ADDRESS=0x5fbdb2315678afecb367f032d93f642f64180aa3
+
+# Uniswap V2 Addresses (from deployment)
+UNISWAP_V2_FACTORY_ADDRESS=0xdc64a140aa3e981100a9beca4e685f962f0cf6c9
+UNISWAP_V2_ROUTER_ADDRESS=0x5fc8d32690cc91d4c39d9d3abcbd16989f875707
+
+# CoW Protocol Addresses (from deployment)
+SETTLEMENT_CONTRACT_ADDRESS=0xb7f8bc63bbcad18155201308c8f3540b07f84f5e
+AUTHENTICATOR_ADDRESS=0x610178da211fef7d417bc0e6fed39f05609ad788
+VAULT_RELAYER_ADDRESS=8daf17a20c9dba35f005b6324f493785d239719d
+BALANCER_VAULT_ADDRESS=0x8A791620dd6260079BF849Dc5567aDC3F2FdC318
+BALANCES_CONTRACT_ADDRESS=0xbd5a6618df333f8f66702daadc9a953e2b52a65d
+SIGNATURES_CONTRACT_ADDRESS=0x7377795aa7b4a8fca5e4e194f54eaff667db45f0