Add config variables FAUCET_FEE and FAUCET_GAS

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - @cosmjs/faucet: Log errors for failed send transactions.
 - @cosmjs/faucet: Add config variable `FAUCET_MEMO`.
+- @cosmjs/faucet: Add config variables `FAUCET_FEE` and `FAUCET_GAS`.
 - @cosmjs/launchpad: Add `parseCoins` helper.
 
 ## 0.22.1 (2020-08-11)

packages/faucet/README.md

@@ -47,6 +47,9 @@ Environment variables
 FAUCET_CONCURRENCY        Number of distributor accounts. Defaults to 5.
 FAUCET_PORT               Port of the webserver. Defaults to 8000.
 FAUCET_MEMO               Memo for send transactions. Defaults to unset.
+FAUCET_FEE                Fee for send transactions as a comma separated list,
+                          e.g. "200ushell,30ureef". Defaults to "2000ucosm".
+FAUCET_GAS                Gas for send transactions. Defaults to 80000.
 FAUCET_MNEMONIC           Secret mnemonic that serves as the base secret for the
                           faucet HD accounts
 FAUCET_ADDRESS_PREFIX     The bech32 address prefix. Defaults to "cosmos".

packages/faucet/src/actions/help.ts

@@ -20,6 +20,9 @@ Environment variables
 FAUCET_CONCURRENCY        Number of distributor accounts. Defaults to 5.
 FAUCET_PORT               Port of the webserver. Defaults to 8000.
 FAUCET_MEMO               Memo for send transactions. Defaults to unset.
+FAUCET_FEE                Fee for send transactions as a comma separated list,
+                          e.g. "200ushell,30ureef". Defaults to "2000ucosm".
+FAUCET_GAS                Gas for send transactions. Defaults to 80000.
 FAUCET_MNEMONIC           Secret mnemonic that serves as the base secret for the
                           faucet HD accounts
 FAUCET_ADDRESS_PREFIX     The bech32 address prefix. Defaults to "cosmos".

packages/faucet/src/constants.ts

@@ -1,8 +1,12 @@
+import { Coin, parseCoins } from "@cosmjs/launchpad";
+
 import { TokenConfiguration } from "./tokenmanager";
 import { parseBankTokens } from "./tokens";
 
 export const binaryName = "cosmwasm-faucet";
 export const memo: string | undefined = process.env.FAUCET_MEMO;
+export const fee: readonly Coin[] = parseCoins(process.env.FAUCET_FEE || "2000ucosm");
+export const gas: string = process.env.FAUCET_GAS || "80000";
 export const concurrency: number = Number.parseInt(process.env.FAUCET_CONCURRENCY || "", 10) || 5;
 export const port: number = Number.parseInt(process.env.FAUCET_PORT || "", 10) || 8000;
 export const mnemonic: string | undefined = process.env.FAUCET_MNEMONIC;

packages/faucet/src/faucet.ts

@@ -1,4 +1,10 @@
-import { assertIsPostTxSuccess, CosmosClient, OfflineSigner, SigningCosmosClient } from "@cosmjs/launchpad";
+import {
+  assertIsPostTxSuccess,
+  CosmosClient,
+  FeeTable,
+  OfflineSigner,
+  SigningCosmosClient,
+} from "@cosmjs/launchpad";
 import { sleep } from "@cosmjs/utils";
 
 import * as constants from "./constants";
@@ -51,10 +57,17 @@ export class Faucet {
     this.holderAddress = wallets[0][0];
     this.distributorAddresses = wallets.slice(1).map((pair) => pair[0]);
 
+    const fees: Partial<FeeTable> = {
+      send: {
+        amount: constants.fee,
+        gas: constants.gas,
+      },
+    };
+
     // we need one client per sender
     const clients: { [senderAddress: string]: SigningCosmosClient } = {};
     for (const [senderAddress, wallet] of wallets) {
-      clients[senderAddress] = new SigningCosmosClient(apiUrl, senderAddress, wallet);
+      clients[senderAddress] = new SigningCosmosClient(apiUrl, senderAddress, wallet, fees);
     }
     this.clients = clients;
     this.logging = logging;