From 1c01de1085e9bd6a664e3e345fec13c457aa108d Mon Sep 17 00:00:00 2001
From: b00f <mostafa.sedaghat@gmail.com>
Date: Tue, 18 Jun 2024 14:23:19 +0800
Subject: [PATCH] feat(config): make minimum fee configurable (#1349)

Co-authored-by: Javad Rajabzadeh <ja7ad@live.com>
---
 config/example_config.toml | 4 ++++
 txpool/config.go           | 4 ++--
 txpool/config_test.go      | 2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/config/example_config.toml b/config/example_config.toml
index b509e1997..ef1ae39ac 100644
--- a/config/example_config.toml
+++ b/config/example_config.toml
@@ -118,6 +118,10 @@
   # Default is `1000`.
   max_size = 1000
 
+  # `min_fee` indicates the minimum fee in PAC for the transaction to enter into the pool.
+  # Default is `0.01`.
+  min_fee = 0.01
+
 # `logger` contains configuration options for the logger.
 [logger]
   # `colorful` indicates whether log can be colorful or not.
diff --git a/txpool/config.go b/txpool/config.go
index 4aebe91dc..87e36cae0 100644
--- a/txpool/config.go
+++ b/txpool/config.go
@@ -6,13 +6,13 @@ import (
 
 type Config struct {
 	MaxSize   int     `toml:"max_size"`
-	MinFeePAC float64 `toml:"-"`
+	MinFeePAC float64 `toml:"min_fee"`
 }
 
 func DefaultConfig() *Config {
 	return &Config{
 		MaxSize:   1000,
-		MinFeePAC: 0.1,
+		MinFeePAC: 0.01,
 	}
 }
 
diff --git a/txpool/config_test.go b/txpool/config_test.go
index f968860c1..d4fd97485 100644
--- a/txpool/config_test.go
+++ b/txpool/config_test.go
@@ -16,7 +16,7 @@ func TestDefaultConfigCheck(t *testing.T) {
 	assert.Equal(t, 100, c.unbondPoolSize())
 	assert.Equal(t, 100, c.withdrawPoolSize())
 	assert.Equal(t, 100, c.sortitionPoolSize())
-	assert.Equal(t, amount.Amount(0.1e9), c.minFee())
+	assert.Equal(t, amount.Amount(0.1e8), c.minFee())
 
 	assert.Equal(t,
 		c.transferPoolSize()+