diff --git a/.gas-profile b/.gas-profile
new file mode 100644
index 00000000..9cc7bdee
--- /dev/null
+++ b/.gas-profile
@@ -0,0 +1,16 @@
+new MockERC20: 39792163
+new Payments: 109908523
+setOperatorApproval: 10674805
+createRail: 15093806
+mint: 7360324
+approve: 5547544
+deposit: 24339260
+modifyRailPayment: 18930731
+modifyRailLockup: 20798017
+modifyRailPayment: 24776330
+settleRail: 13521016
+withdraw: 27428591
+withdrawTo: 27519980
+settleRail: 16984893
+terminateRail: 20247937
+burnForFees: 24477208
diff --git a/.gitignore b/.gitignore
index 7dbbb77f..07bff374 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@ out/
 # Ignores development broadcast logs
 !/broadcast
 /broadcast/*/31337/
+/broadcast/*/31415926/
 /broadcast/**/dry-run/
 
 # Dotenv file
diff --git a/tools/Profile.s.sol b/tools/Profile.s.sol
new file mode 100644
index 00000000..8b8b81d7
--- /dev/null
+++ b/tools/Profile.s.sol
@@ -0,0 +1,88 @@
+pragma solidity ^0.8.30;
+
+import "forge-std/Script.sol";
+
+import "../src/Payments.sol";
+import "../test/mocks/MockERC20.sol";
+
+contract Profile is Script {
+    function createRail(address sender) public {
+        vm.deal(sender, 2000 * 10 ** 18);
+
+        vm.startBroadcast();
+
+        MockERC20 token = new MockERC20("MockToken", "MOCK");
+
+        Payments payments = new Payments();
+
+        address from = sender;
+        address to = sender;
+        address operator = sender;
+        address validator = address(0);
+
+        uint256 commissionRateBps = 0;
+        address serviceFeeRecipient = sender;
+        
+        uint256 rateAllowance = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
+        uint256 lockupAllowance = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
+        uint256 maxLockupPeriod = 0x00ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
+
+        payments.setOperatorApproval(token, operator, true, rateAllowance, lockupAllowance, maxLockupPeriod);
+
+        uint256 railId = payments.createRail(token, from, to, validator, commissionRateBps, serviceFeeRecipient);
+
+        uint256 amount = 10**18;
+        token.mint(from, amount);
+        token.approve(address(payments), amount);
+        payments.deposit(token, from, amount);
+
+        // TODO depositWithPermit
+        // TODO depositWithPermitAndApproveOperator
+        // TODO depositWithPermitAndIncreaseOperatorApproval
+        // TODO increaseOperatorApproval
+
+
+        payments.modifyRailPayment(railId, 10**6, 0);
+
+        payments.modifyRailLockup(railId, 5, 10**6);
+
+        payments.modifyRailPayment(railId, 10**3, 10**6);
+
+        payments.settleRail(railId, block.number);
+
+        payments.withdraw(token, 10**6);
+
+        payments.withdrawTo(token, to, 10**6);
+    }
+
+    function settleRail(address sender, Payments payments, uint256 railId) public {
+        vm.deal(sender, 2000 * 10 ** 18);
+        vm.startBroadcast();
+
+        payments.settleRail(railId, block.number);
+    }
+
+    function terminateRail(address sender, Payments payments, uint256 railId) public {
+        vm.deal(sender, 2000 * 10 ** 18);
+        vm.startBroadcast();
+
+        payments.terminateRail(railId);
+
+        // TODO settleTerminatedRailWithoutValidation
+    }
+
+    function endAuction(address sender, Payments payments, uint256 railId) public {
+        vm.deal(sender, 2000 * 10 ** 18);
+
+        Payments.RailView memory railView = payments.getRail(railId);
+        IERC20 token = railView.token;
+
+        (uint256 fullAmount,,,) = payments.accounts(token, address(payments));
+
+        address recipient = address(0x4a6f6B9fF1fc974096f9063a45Fd12bD5B928AD1);
+
+        vm.startBroadcast();
+
+        payments.burnForFees{value: FIRST_AUCTION_START_PRICE}(token, recipient, fullAmount);
+    }
+}
diff --git a/tools/profile.sh b/tools/profile.sh
new file mode 100755
index 00000000..8f04c012
--- /dev/null
+++ b/tools/profile.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -e
+
+pushd ../localnet
+bash ./reset.sh
+source ./local_lotus.sh
+popd
+
+TOKEN_ADDRESS=0xe9ae74e0c182aab11bddb483227cc1f6600b3625
+RAIL_ADDRESS=0xf6990c51dc94b36c5d5184bf60107efe99dde592
+
+forge script -vvv -g 49400 --broadcast --chain-id $CHAIN_ID --sender $SENDER_ADDRESS --private-key $SENDER_KEY --rpc-url $API_URL/rpc/v1 --sig "createRail(address)" tools/Profile.s.sol:Profile $SENDER_ADDRESS
+[[ "$(../forge-script-gas-report/forge_script_block_numbers ./broadcast/Profile.s.sol/$CHAIN_ID/createRail-latest.json | wc -l)" -eq 1 ]] || (echo possible nondeterminism detected && exit 1)
+../forge-script-gas-report/forge_script_gas_report ./broadcast/Profile.s.sol/$CHAIN_ID/createRail-latest.json | tee .gas-profile
+
+forge script -vvv -g 49400 --broadcast --chain-id $CHAIN_ID --sender $SENDER_ADDRESS --private-key $SENDER_KEY --rpc-url $API_URL/rpc/v1 --sig "settleRail(address,address,uint256)" tools/Profile.s.sol:Profile $SENDER_ADDRESS $RAIL_ADDRESS 1
+[[ "$(../forge-script-gas-report/forge_script_block_numbers ./broadcast/Profile.s.sol/$CHAIN_ID/createRail-latest.json | wc -l)" -eq 1 ]] || (echo possible nondeterminism detected && exit 1)
+../forge-script-gas-report/forge_script_gas_report ./broadcast/Profile.s.sol/$CHAIN_ID/settleRail-latest.json | tee -a .gas-profile
+
+forge script -vvv -g 49400 --broadcast --chain-id $CHAIN_ID --sender $SENDER_ADDRESS --private-key $SENDER_KEY --rpc-url $API_URL/rpc/v1 --sig "terminateRail(address,address,uint256)" tools/Profile.s.sol:Profile $SENDER_ADDRESS $RAIL_ADDRESS 1
+[[ "$(../forge-script-gas-report/forge_script_block_numbers ./broadcast/Profile.s.sol/$CHAIN_ID/createRail-latest.json | wc -l)" -eq 1 ]] || (echo possible nondeterminism detected && exit 1)
+../forge-script-gas-report/forge_script_gas_report ./broadcast/Profile.s.sol/$CHAIN_ID/terminateRail-latest.json | tee -a .gas-profile
+
+forge script -vvv -g 49400 --broadcast --chain-id $CHAIN_ID --sender $SENDER_ADDRESS --private-key $SENDER_KEY --rpc-url $API_URL/rpc/v1 --sig "endAuction(address,address,uint256)" tools/Profile.s.sol:Profile $SENDER_ADDRESS $RAIL_ADDRESS 1
+[[ "$(../forge-script-gas-report/forge_script_block_numbers ./broadcast/Profile.s.sol/$CHAIN_ID/createRail-latest.json | wc -l)" -eq 1 ]] || (echo possible nondeterminism detected && exit 1)
+../forge-script-gas-report/forge_script_gas_report ./broadcast/Profile.s.sol/$CHAIN_ID/endAuction-latest.json | tee -a .gas-profile
diff --git a/tools/retry_profile.sh b/tools/retry_profile.sh
new file mode 100755
index 00000000..b1899fd2
--- /dev/null
+++ b/tools/retry_profile.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+# retry tools/profile.sh until it succeeds
+
+
+until ./tools/profile.sh ; do {} ; done