Added min gas env variable and behavior (#276)

* Added min gas env variable and behavior

* Remove useless export

* Changelog + merge

CHANGELOG.md

@@ -6,6 +6,8 @@
 - Add `BankQuerier` as trait bound to `CwEnv`.
 - Add `WasmCodeQuerier` as trait bound to `CwEnv`.
 - Changed the snapshot feature for better snapshot readability.
+- Added Readonly flag to the daemon state
+- Added min gas fee environment variable
 - Updated `cosmrs` to `0.15.0`
 - Updated tonic to `0.10.2`
 - Bumped MSRV to 1.72 because of dependency `cosmrs@0.15.0`

cw-orch-daemon/src/lib.rs

@@ -21,9 +21,7 @@ pub mod queriers;
 mod traits;
 pub mod tx_broadcaster;
 pub mod tx_builder;
-pub use self::{
-    builder::*, channel::*, core::*, error::*, state::*, sync::*, traits::*, tx_resp::*,
-};
+pub use self::{builder::*, channel::*, core::*, error::*, state::*, sync::*, tx_resp::*};
 pub use cw_orch_networks::chain_info::*;
 pub use cw_orch_networks::networks;
 pub use sender::Wallet;

cw-orch-daemon/src/sender.rs

@@ -138,13 +138,17 @@ impl Sender<All> {
     /// Compute the gas fee from the expected gas in the transaction
     /// Applies a Gas Buffer for including signature verification
     pub(crate) fn get_fee_from_gas(&self, gas: u64) -> Result<(u64, u128), DaemonError> {
-        let gas_expected = if let Some(gas_buffer) = CwOrchEnvVars::load()?.gas_buffer {
+        let mut gas_expected = if let Some(gas_buffer) = CwOrchEnvVars::load()?.gas_buffer {
             gas as f64 * gas_buffer
         } else if gas < BUFFER_THRESHOLD {
             gas as f64 * SMALL_GAS_BUFFER
         } else {
             gas as f64 * GAS_BUFFER
         };
+
+        if let Some(min_gas) = CwOrchEnvVars::load()?.min_gas {
+            gas_expected = (min_gas as f64).max(gas_expected);
+        }
         let fee_amount = gas_expected
             * (self.daemon_state.chain_data.fees.fee_tokens[0]
                 .fixed_min_gas_price

cw-orch-daemon/src/tx_builder.rs

@@ -75,8 +75,7 @@ impl TxBuilder {
         Ok(fee)
     }
 
-    /// Builds the raw tx with a given body and fee and signs it.
-    /// Sets the TxBuilder's gas limit to its simulated amount for later use.
+    /// Simulates the transaction and returns the necessary gas fee returned by the simulation on a node
     pub async fn simulate(&self, wallet: &Sender<All>) -> Result<u64, DaemonError> {
         // get the account number of the wallet
         let BaseAccount {

docs/src/contracts/env-variable.md

@@ -37,9 +37,10 @@ CW_ORCH_SERIALIZE_JSON = "false"
 # Optional - Absolute Path. Sets the directory where the state file will be saved.
 # This is not enforced to be an absolute path but this is highly recommended
 CW_ORCH_STATE_FOLDER = "~/.cw-orchestrator"
+# Optional - Integer. This allows setting a minimum of gas used when broadcasting transactions
+CW_ORCH_MIN_GAS = 100000
 # Optional - boolean.  Disable the "Enable Logs" message.
 CW_ORCH_DISABLE_ENABLE_LOGS_MESSAGE = "false"
-
 ```
 
 ## Mnemonics

packages/cw-orch-core/src/env.rs

@@ -16,6 +16,7 @@ pub const STATE_FOLDER_ENV_NAME: &str = "CW_ORCH_STATE_FOLDER";
 pub const STATE_FILE_ENV_NAME: &str = "STATE_FILE";
 pub const ARTIFACTS_DIR_ENV_NAME: &str = "ARTIFACTS_DIR";
 pub const GAS_BUFFER_ENV_NAME: &str = "CW_ORCH_GAS_BUFFER";
+pub const MIN_GAS_ENV_NAME: &str = "CW_ORCH_MIN_GAS";
 pub const MAX_TX_QUERIES_RETRY_ENV_NAME: &str = "CW_ORCH_MAX_TX_QUERY_RETRIES";
 pub const MIN_BLOCK_SPEED_ENV_NAME: &str = "CW_ORCH_MIN_BLOCK_SPEED";
 pub const SERIALIZE_ENV_NAME: &str = "CW_ORCH_SERIALIZE_JSON";
@@ -50,6 +51,11 @@ pub struct CwOrchEnvVars {
     /// If not specified, a more complex algorithm is applied for dealing with small gas fee cases
     pub gas_buffer: Option<f64>,
 
+    /// Optional - Integer
+    /// Defaults to None
+    /// Minimum gas amount. Useful when transaction still won't pass even when setting a high gas_buffer or for mixed transaction scripts
+    pub min_gas: Option<u64>,
+
     /// Optional - Integer
     /// Defaults to [`DEFAULT_TX_QUERY_RETRIES`]
     /// This changes the number of tx queries before it fails if it doesn't find any result
@@ -110,6 +116,7 @@ impl Default for CwOrchEnvVars {
             state_file: PathBuf::from_str("state.json").unwrap(),
             artifacts_dir: None,
             gas_buffer: None,
+            min_gas: None,
             max_tx_query_retries: DEFAULT_TX_QUERY_RETRIES,
             min_block_speed: 1,
             serialize_json: false,