Replace internal usages of @iov/encoding with @cosmjs/{encoding,math}

packages/faucet/src/addresses.ts

@@ -1,4 +1,4 @@
-import { Bech32 } from "@iov/encoding";
+import { Bech32 } from "@cosmjs/encoding";
 
 export function isValidAddress(input: string, requiredPrefix: string): boolean {
   try {

packages/faucet/src/debugging.ts

@@ -1,5 +1,5 @@
+import { Decimal } from "@cosmjs/math";
 import { Coin } from "@cosmjs/sdk38";
-import { Decimal } from "@iov/encoding";
 
 import { MinimalAccount, SendJob, TokenConfiguration } from "./types";
 

packages/faucet/src/faucet.spec.ts

@@ -1,7 +1,7 @@
 import { Random } from "@cosmjs/crypto";
+import { Bech32 } from "@cosmjs/encoding";
 import { CosmosClient } from "@cosmjs/sdk38";
 import { assert } from "@cosmjs/utils";
-import { Bech32 } from "@iov/encoding";
 
 import { Faucet } from "./faucet";
 import { TokenConfiguration } from "./types";

packages/faucet/src/tokenmanager.ts

@@ -1,5 +1,5 @@
+import { Decimal, Uint53 } from "@cosmjs/math";
 import { Coin } from "@cosmjs/sdk38";
-import { Decimal, Uint53 } from "@iov/encoding";
 
 import { BankTokenMeta, MinimalAccount, TokenConfiguration } from "./types";