diff --git a/src/pools/fixedRate/FixedRateExchange.ts b/src/pools/fixedRate/FixedRateExchange.ts
index c2847d2f..31d06994 100644
--- a/src/pools/fixedRate/FixedRateExchange.ts
+++ b/src/pools/fixedRate/FixedRateExchange.ts
@@ -197,6 +197,7 @@ export class FixedRateExchange {
       consumeMarketAddress,
       consumeMarketFeeFormatted
     )
+    console.log('estGas', estGas)
     try {
       const trxReceipt = await this.fixedRateContract.methods
         .buyDT(
@@ -294,6 +295,7 @@ export class FixedRateExchange {
       consumeMarketAddress,
       consumeMarketFeeFormatted
     )
+    console.log('estGas', estGas)
     try {
       const trxReceipt = await this.fixedRateContract.methods
         .sellDT(
@@ -371,6 +373,7 @@ export class FixedRateExchange {
     newRate: string
   ): Promise<TransactionReceipt> {
     const estGas = await this.estSetRate(address, exchangeId, newRate)
+    console.log('estGas', estGas)
     const trxReceipt = await this.fixedRateContract.methods
       .setRate(exchangeId, this.web3.utils.toWei(newRate))
       .send({
@@ -400,7 +403,7 @@ export class FixedRateExchange {
     let estGas
     try {
       estGas = await fixedRate.methods
-        .setRate(exchangeId, newAllowedSwapper)
+        .setAllowedSwapper(exchangeId, newAllowedSwapper)
         .estimateGas({ from: account }, (err, estGas) => (err ? gasLimitDefault : estGas))
     } catch (e) {
       estGas = gasLimitDefault
@@ -421,6 +424,7 @@ export class FixedRateExchange {
     newAllowedSwapper: string
   ): Promise<TransactionReceipt> {
     const estGas = await this.estSetAllowedSwapper(address, exchangeId, newAllowedSwapper)
+    console.log('estGas', estGas)
     const trxReceipt = await this.fixedRateContract.methods
       .setAllowedSwapper(exchangeId, newAllowedSwapper)
       .send({
@@ -471,6 +475,7 @@ export class FixedRateExchange {
     if (exchange.active === true) return null
 
     const estGas = await this.estActivate(address, exchangeId)
+    console.log('estGas', estGas)
     const trxReceipt = await this.fixedRateContract.methods
       .toggleExchangeState(exchangeId)
       .send({
@@ -521,6 +526,7 @@ export class FixedRateExchange {
     if (exchange.active === false) return null
 
     const estGas = await this.estDeactivate(address, exchangeId)
+    console.log('estGas', estGas)
 
     const trxReceipt = await this.fixedRateContract.methods
       .toggleExchangeState(exchangeId)
@@ -776,6 +782,7 @@ export class FixedRateExchange {
     if (exchange.withMint === true) return null
 
     const estGas = await this.estActivateMint(address, exchangeId)
+    console.log('estGas', estGas)
     const trxReceipt = await this.fixedRateContract.methods
       .toggleMintState(exchangeId, true)
       .send({
@@ -805,7 +812,9 @@ export class FixedRateExchange {
       estGas = await fixedRate.methods
         .toggleMintState(exchangeId)
         .estimateGas({ from: account }, (err, estGas) => (err ? gasLimitDefault : estGas))
+      console.log('### estGas', estGas)
     } catch (e) {
+      console.log('e', e)
       estGas = gasLimitDefault
     }
     return estGas
@@ -826,6 +835,7 @@ export class FixedRateExchange {
     if (exchange.withMint === false) return null
 
     const estGas = await this.estDeactivate(address, exchangeId)
+    console.log('estGas', estGas)
 
     const trxReceipt = await this.fixedRateContract.methods
       .toggleMintState(exchangeId, false)
@@ -889,6 +899,7 @@ export class FixedRateExchange {
     if (!exchange) return null
 
     const estGas = await this.estCollectBT(address, exchangeId, amount)
+    console.log('estGas', estGas)
     const fixedrate: FixedPriceExchange = await this.fixedRateContract.methods
       .getExchange(exchangeId)
       .call()
@@ -958,6 +969,7 @@ export class FixedRateExchange {
     if (!exchange) return null
 
     const estGas = await this.estCollectDT(address, exchangeId, amount)
+    console.log('estGas', estGas)
     const fixedrate: FixedPriceExchange = await this.fixedRateContract.methods
       .getExchange(exchangeId)
       .call()
@@ -1015,6 +1027,7 @@ export class FixedRateExchange {
     if (!exchange) return null
 
     const estGas = await this.estCollectMarketFee(address, exchangeId)
+    console.log('estGas', estGas)
     const trxReceipt = await this.fixedRateContract.methods
       .collectMarketFee(exchangeId)
       .send({
@@ -1064,6 +1077,7 @@ export class FixedRateExchange {
     if (!exchange) return null
 
     const estGas = await this.estCollectOceanFee(address, exchangeId)
+    console.log('estGas', estGas)
     const trxReceipt = await this.fixedRateContract.methods
       .collectOceanFee(exchangeId)
       .send({
@@ -1161,6 +1175,7 @@ export class FixedRateExchange {
       exchangeId,
       this.web3.utils.toWei(newMarketFee)
     )
+    console.log('estGas', estGas)
     const trxReceipt = await this.fixedRateContract.methods
       .updateMarketFee(exchangeId, this.web3.utils.toWei(newMarketFee))
       .send({
@@ -1215,6 +1230,7 @@ export class FixedRateExchange {
       exchangeId,
       newMarketFeeCollector
     )
+    console.log('estGas', estGas)
     const trxReceipt = await this.fixedRateContract.methods
       .updateMarketFeeCollector(exchangeId, newMarketFeeCollector)
       .send({