variable priorityFeePercentile

Author: MilanKomsa

services/blockchain-service/blockchain-service-base.js

@@ -1402,8 +1402,9 @@ export default class BlockchainServiceBase {
         try {
             // eth_feeHistory params: blockCount, newestBlock, rewardPercentiles
             // [50] = median priority fee per block
-            const feeHistory = await web3Instance.eth.getFeeHistory(blockCount, 'latest', [80]);
-            
+            const priorityFeePercentile = blockchain.priorityFeePercentile ?? 50;
+            const feeHistory = await web3Instance.eth.getFeeHistory(blockCount, 'latest', [priorityFeePercentile]);
+
             // Extract median priority fees from each block (reward[blockIndex][percentileIndex])
             const priorityFees = feeHistory.reward
                 ? feeHistory.reward.map((blockRewards) => BigInt(blockRewards[0] || 0))

services/input-service.js

@@ -198,6 +198,10 @@ export default class InputService {
             options.blockchain?.gasPriceBufferPercent ??
             this.config.blockchain?.gasPriceBufferPercent ??
             undefined;
+        const priorityFeePercentile =
+            options.blockchain?.priorityFeePercentile ??
+            this.config.blockchain?.priorityFeePercentile ??
+            undefined;
         const retryTxGasPriceMultiplier =
             options.blockchain?.retryTxGasPriceMultiplier ??
             this.config.blockchain?.retryTxGasPriceMultiplier ??
@@ -218,6 +222,7 @@ export default class InputService {
             gasPriceOracleLink,
             maxAllowance,
             gasPriceBufferPercent,
+            priorityFeePercentile,
             retryTxGasPriceMultiplier,
         };