From e26c8db19932bdb7224f17ac465b83b5147766a8 Mon Sep 17 00:00:00 2001
From: jholdstock <jholdstock@decred.org>
Date: Thu, 14 Sep 2023 11:52:47 +0100
Subject: [PATCH] vspd: Copy VSP fee validation func from wallet.

This is such a trivial func that there is no need to import it from
wallet, it can just be copied into this project.
---
 cmd/vspd/config.go | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/cmd/vspd/config.go b/cmd/vspd/config.go
index efaf05e..d1ea646 100644
--- a/cmd/vspd/config.go
+++ b/cmd/vspd/config.go
@@ -7,6 +7,7 @@ package main
 import (
 	"errors"
 	"fmt"
+	"math"
 	"net"
 	"os"
 	"os/user"
@@ -15,7 +16,6 @@ import (
 	"strings"
 	"time"
 
-	"decred.org/dcrwallet/v3/wallet/txrules"
 	"github.com/decred/dcrd/dcrutil/v4"
 	"github.com/decred/dcrd/hdkeychain/v3"
 	"github.com/decred/slog"
@@ -293,8 +293,16 @@ func loadConfig() (*vspdConfig, error) {
 		return nil, errors.New("minimum backupinterval is 30 seconds")
 	}
 
+	// validPoolFeeRate tests to see if a pool fee is a valid percentage from
+	// 0.01% to 100.00%.
+	validPoolFeeRate := func(feeRate float64) bool {
+		poolFeeRateTest := feeRate * 100
+		poolFeeRateTest = math.Floor(poolFeeRateTest)
+		return poolFeeRateTest >= 1.0 && poolFeeRateTest <= 10000.0
+	}
+
 	// Ensure the fee percentage is valid per txrules.
-	if !txrules.ValidPoolFeeRate(cfg.VSPFee) {
+	if !validPoolFeeRate(cfg.VSPFee) {
 		return nil, errors.New("invalid vspfee - should be greater than 0.01 and less than 100.0")
 	}