[EVM] univ2 loadtest (#1423)

* checkpoint

* add univ2 contracts + deploy_uinv2.sh

* able to deploy uniswapv2

* Unifap -> Uniswap

* univ2 set up

* trying to do swaps

* swaps work

* swaps in both directions work

* increase liquidity in pool

* remove prints

* revert changes to make loadtest work locally

* add legacy to forge cmds

* add print statement

* debug

* add UNIV2 msg type

* turn off ensure tx success

* comment out prints

* print

* print

* cleanup

* cleanup

* print script output

* debug

* forge install + parallelize token mints and approvals

* create intermediary univ2 swapper

* cleanup + remove bindings for univ2 pair and router

* cleanup

* fix

* cleanup

* query wallet balance in script

* appease linter

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "loadtest/contracts/evm/lib/openzeppelin-contracts"]
 	path = loadtest/contracts/evm/lib/openzeppelin-contracts
 	url = https://github.com/OpenZeppelin/openzeppelin-contracts
+[submodule "loadtest/contracts/evm/lib/solmate"]
+	path = loadtest/contracts/evm/lib/solmate
+	url = https://github.com/transmissions11/solmate

loadtest/config.json

@@ -54,7 +54,9 @@
       "wasm_instantiate",
       "wasm_occ_iterator_write",
       "wasm_occ_iterator_range",
-      "wasm_occ_parallel_write"
+      "wasm_occ_parallel_write",
+      "evm",
+      "univ2"
     ],
     "run_oracle": false,
     "metrics_port": 9695,

loadtest/contracts/deploy_univ2.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+
+# This script is used to deploy the UniV2 contract to the target network
+# This avoids trying to predict what address it might be deployed to
+set -e
+
+evm_endpoint=$1
+
+echo "Deploying UniswapV2 contracts to $evm_endpoint"
+
+cd loadtest/contracts/evm || exit 1
+
+echo "Installing forge libaries..."
+forge install
+
+bigNumber=100000000000000000000000000000000 # 10^32
+feeCollector=0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266 # first anvil address, just need a random address for fees
+wallet=0xF87A299e6bC7bEba58dbBe5a5Aa21d49bCD16D52
+
+walletBalance=$(cast balance $wallet --rpc-url "$evm_endpoint")
+if [[ $walletBalance == 0 ]]; then
+    echo "Please fund the wallet $wallet to continue."
+    exit 1
+fi
+
+echo "Deploying factory contract..."
+factoryAddress=$(forge create -r "$evm_endpoint" --private-key 57acb95d82739866a5c29e40b0aa2590742ae50425b7dd5b5d279a986370189e src/univ2/UniswapV2Factory.sol:UniswapV2Factory --json --legacy --constructor-args $feeCollector | jq -r '.deployedTo')
+echo "factoryAddress=$factoryAddress"
+
+echo "Deploying router contract..."
+routerAddress=$(forge create -r "$evm_endpoint" --private-key 57acb95d82739866a5c29e40b0aa2590742ae50425b7dd5b5d279a986370189e src/univ2/UniswapV2Router.sol:UniswapV2Router --json --legacy --constructor-args $factoryAddress $feeCollector | jq -r '.deployedTo')
+echo "routerAddress=$routerAddress"
+
+echo "Deploying token1 contract..."
+token1Address=$(forge create -r "$evm_endpoint" --private-key 57acb95d82739866a5c29e40b0aa2590742ae50425b7dd5b5d279a986370189e src/ERC20Token.sol:ERC20Token --json --legacy --constructor-args "Token1" "T1" | jq -r '.deployedTo')
+echo "token1Address=$token1Address"
+
+echo "Deploying token2 contract..."
+token2Address=$(forge create -r "$evm_endpoint" --private-key 57acb95d82739866a5c29e40b0aa2590742ae50425b7dd5b5d279a986370189e src/ERC20Token.sol:ERC20Token --json --legacy --constructor-args "Token2" "T2" | jq -r '.deployedTo')
+echo "token2Address=$token2Address"
+
+echo "Deploying UniV2Swapper contract..."
+uniV2SwapperAddress=$(forge create -r "$evm_endpoint" --private-key 57acb95d82739866a5c29e40b0aa2590742ae50425b7dd5b5d279a986370189e src/UniV2Swapper.sol:UniV2Swapper --json --legacy --constructor-args $token1Address $token2Address $routerAddress | jq -r '.deployedTo')
+echo "uniV2SwapperAddress=$uniV2SwapperAddress"
+
+echo "Minting tokens..."
+cast send -r "$evm_endpoint" $token1Address --private-key 57acb95d82739866a5c29e40b0aa2590742ae50425b7dd5b5d279a986370189e "mint(address,uint256)" $wallet $bigNumber --legacy --json
+cast send -r "$evm_endpoint" $token2Address --private-key 57acb95d82739866a5c29e40b0aa2590742ae50425b7dd5b5d279a986370189e "mint(address,uint256)" $wallet $bigNumber --legacy --json
+
+echo "Creating a pool..."
+cast send -r "$evm_endpoint" $factoryAddress --private-key 57acb95d82739866a5c29e40b0aa2590742ae50425b7dd5b5d279a986370189e "createPair(address,address)" $token1Address $token2Address --legacy --json
+
+# get the pair address
+pairAddress=$(cast call -r "$evm_endpoint" $factoryAddress "getAllPairsIndex(uint256)" 0)
+
+echo "Approving router to spend tokens..."
+cast send -r "$evm_endpoint" $token1Address --private-key 57acb95d82739866a5c29e40b0aa2590742ae50425b7dd5b5d279a986370189e "approve(address,uint256)" $routerAddress $bigNumber --legacy --json
+cast send -r "$evm_endpoint" $token2Address --private-key 57acb95d82739866a5c29e40b0aa2590742ae50425b7dd5b5d279a986370189e "approve(address,uint256)" $routerAddress $bigNumber --legacy --json
+
+echo "Adding liquidity to the pool..."
+cast send -r "$evm_endpoint" $routerAddress --private-key 57acb95d82739866a5c29e40b0aa2590742ae50425b7dd5b5d279a986370189e "addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256)" $token1Address $token2Address $bigNumber $bigNumber 0 0 $wallet 1000000000000000000 --legacy --json
+
+# print addresses out for use in other scripts
+echo "UniswapV2Factory Address: \"$factoryAddress\""
+echo "UniswapV2Router Address: \"$routerAddress\""
+echo "Token1 Address: \"$token1Address\""
+echo "Token2 Address: \"$token2Address\""
+echo "Pair Address: \"$pairAddress\""
+echo "Swapper Address: \"$uniV2SwapperAddress\""