Added tx fee estimates to Trade Portal

This can be updated with a more exact system later.

qortal-ui-plugins/plugins/core/trade-portal/trade-portal.src.js

@@ -239,7 +239,7 @@ class TradePortal extends LitElement {
 			overflow: hidden;
 		}
 
-		.you-have {
+		.amt-text {
 			color: var(--tradehave);
 			font-size: 15px;
 			text-align: right;
@@ -419,7 +419,8 @@ class TradePortal extends LitElement {
             name: "QORTAL",
             balance: "0",
             coinCode: "QORT",
-            coinAmount: this.amountString
+            coinAmount: this.amountString,
+            tradeFee: "0.002"
         }
 
         let litecoin = {
@@ -434,7 +435,8 @@ class TradePortal extends LitElement {
             myOfferingOrders: [],
             openTradeOrders: null,
             tradeOffersSocketCounter: 1,
-            coinAmount: this.amountString
+            coinAmount: this.amountString,
+            tradeFee: "~0.00005"
         }
 
         let dogecoin = {
@@ -449,7 +451,8 @@ class TradePortal extends LitElement {
             myOfferingOrders: [],
             openTradeOrders: null,
             tradeOffersSocketCounter: 1,
-            coinAmount: this.amountString
+            coinAmount: this.amountString,
+            tradeFee: "~0.005"
         }
 
         let digibyte = {
@@ -687,7 +690,8 @@ class TradePortal extends LitElement {
 								>
 								</mwc-textfield>
 							</p>
-							<span class="you-have">${translate("tradepage.tchange16")}: ${this.listedCoins.get(this.selectedCoin).balance} ${this.listedCoins.get(this.selectedCoin).coinCode}</span>
+							<span class="amt-text">${translate("tradepage.tchange16")}: ${this.listedCoins.get(this.selectedCoin).balance} ${this.listedCoins.get(this.selectedCoin).coinCode}</span>
+							<span class="amt-text">${translate("walletpage.wchange12")}: ${this.listedCoins.get(this.selectedCoin).tradeFee} ${this.listedCoins.get(this.selectedCoin).coinCode}</span>
 							<div class="buttons">
 								<div>
 									<mwc-button class="buy-button" ?disabled="${this.buyBtnDisable}" style="width:100%;" raised @click="${(e) => this.buyAction(e)}">
@@ -746,7 +750,8 @@ class TradePortal extends LitElement {
 								>
 								</mwc-textfield>
 							</p>
-							<span class="you-have">${translate("tradepage.tchange16")}: ${this.listedCoins.get("QORTAL").balance} QORT</span>
+							<span class="amt-text">${translate("tradepage.tchange16")}: ${this.listedCoins.get("QORTAL").balance} QORT</span>
+							<span class="amt-text">${translate("walletpage.wchange12")}: ${this.listedCoins.get("QORTAL").tradeFee} QORT</span>
 							<div class="buttons">
 								<div>
 									<mwc-button class="sell-button" ?disabled="${this.sellBtnDisable}" style="width:100%;" raised @click="${(e) => this.sellAction()}">