feat(drip): multi-chain config

drip/config.json

@@ -7,7 +7,7 @@
     {
       "id": "union-devnet-1",
       "bech32_prefix": "union",
-      "memo": "drip drop",
+      "memo": "drip drop greetings from union faucet",
       "ws_url": "ws://localhost:26657/websocket",
       "grpc_url": "http://localhost:9090",
       "gas_config": {
@@ -23,6 +23,26 @@
           "amount": 13370
         }
       ]
+    },
+    {
+      "id": "stargaze-devnet-1",
+      "bech32_prefix": "stars",
+      "memo": "drip drop greetings from union faucet on stargaze",
+      "ws_url": "ws://localhost:26757/websocket",
+      "grpc_url": "http://localhost:9190",
+      "gas_config": {
+        "gas_price": "1.0",
+        "gas_denom": "ustars",
+        "gas_multiplier": "1.1",
+        "max_gas": 40000000
+      },
+      "signer": "0xaa820fa947beb242032a41b6dc9a8b9c37d8f5fbcda0966b1ec80335b10a7d6f",
+      "coins": [
+        {
+          "denom": "ustars",
+          "amount": 13370
+        }
+      ]
     }
   ]
 }

drip/example-request-stars.json

@@ -0,0 +1,9 @@
+{
+  "query": "mutation UnoFaucetMutation($chain_id: String!, $denom: String!, $address: String!, $captchaToken: String!) { send(chainId: $chain_id, denom: $denom, address: $address, captchaToken: $captchaToken) }",
+  "variables": {
+    "chain_id": "stargaze-devnet-1",
+    "denom": "ustars",
+    "address": "stars1yt66vjvy3dp3m2e49tffvxe7vwf6qrukkj8ax6",
+    "captchaToken": "helloworld"
+  }
+}

drip/src/main.rs

@@ -124,16 +124,23 @@ async fn main() {
                                 )
                                 .expect("???");
 
-                            let mut rows = stmt.query((chain.id, batch_size as i64)).expect("can't query rows");
+                            let mut rows = stmt.query((&chain.id, batch_size as i64)).expect("can't query rows");
 
                             let mut requests = vec![];
 
+
                             while let Some(row) = rows.next().expect("could not read row") {
                                 let id: i64 = row.get(0).expect("could not read id");
                                 let denom: String = row.get(1).expect("could not read denom");
                                 let receiver: String = row.get(2).expect("could not read address");
 
-                                requests.push(SendRequest { id, receiver, denom, amount: 42 }); //todo fix amount
+                                let Some(coin) = chain.coins.iter().find(|coin| coin.denom == denom) else {
+                                    error!(%denom, chain_id=&chain.id, "dropping request for unknown denom");
+                                    break;
+                                };
+
+
+                                requests.push(SendRequest { id, receiver, denom, amount: coin.amount }); //todo fix amount
                             }
 
                             Ok(requests)
@@ -493,6 +500,11 @@ impl Mutation {
             return Err(format!("invalid chain_id {chain_id}").into());
         };
 
+        // Ensure denom exists for chain
+        if !chain.coins.iter().any(|coin| coin.denom == denom) {
+            return Err(format!("invalid denom {denom}").into());
+        };
+
         let allow_bypass = bypass_secret
             .as_ref()
             .is_some_and(|CaptchaBypassSecret(secret)| secret == &captcha_token);