Add env variable docs to readme (#434)

* Add env variable docs to readme * Update README.md --------- Co-authored-by: Joey Hiller <[email protected]>
helium · Dec 18, 2024 · 21208fc · 21208fc
1 parent 8b9266d
commit 21208fc
Showing 1 changed file with 9 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -190,8 +190,13 @@ actual payment to the API for processing by the blockchain.
 
 The following environment variables are supported:
 
-* `HELIUM_API_URL` - The API URL to use for commands that need API
-  access, for example sending tokens.
+* `SOLANA_MAINNET_URL` - The Solana RPC URL to use for mainnet. 
+  This will get used by default or when `--url m` is passed in.
+  The default mainnet URL is a rate limited API served by the Helium 
+  Foundation. Use a custom provider for repeated or large requests.  
+
+* `SOLANA_DEVNET_URL` - The Solana RPC URL to use for devnet. 
+  This will get used when `--url d` is passed in.
 
 * `HELIUM_WALLET_PASSWORD` - The password to use to decrypt the
   wallet. Useful for scripting or other non-interactive commands, but
@@ -200,6 +205,8 @@ The following environment variables are supported:
 * `HELIUM_WALLET_SEED_WORDS` - Space separated list of seed words to use
   when restoring a wallet from a mnemonic word list.
 
+* `HELIUM_WALLET_SECRET` - Solana style byte array form of the keypair secret.
+
 ### Building from Source
 
 You will need a working Rust tool-chain installed to build this CLI