e2e: Migrate dynamic fees test from kurtosis #1792
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| // Copyright (C) 2019-2023, Ava Labs, Inc. All rights reserved. | ||
| // See the file LICENSE for licensing terms. | ||
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| package c | ||
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| import ( | ||
| "math/big" | ||
| "strings" | ||
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| ginkgo "github.com/onsi/ginkgo/v2" | ||
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| "github.com/stretchr/testify/require" | ||
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| "github.com/ethereum/go-ethereum/accounts/abi" | ||
| "github.com/ethereum/go-ethereum/common" | ||
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| "github.com/ava-labs/coreth/core/types" | ||
| "github.com/ava-labs/coreth/params" | ||
| "github.com/ava-labs/coreth/plugin/evm" | ||
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| "github.com/ava-labs/avalanchego/tests" | ||
| "github.com/ava-labs/avalanchego/tests/e2e" | ||
| "github.com/ava-labs/avalanchego/tests/fixture/testnet" | ||
| "github.com/ava-labs/avalanchego/utils/crypto/secp256k1" | ||
| ) | ||
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| // This test uses the compiled bin for `hashing.sol` as | ||
| // well as its ABI contained in `hashing_contract.go`. | ||
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| var _ = e2e.DescribeCChain("[Dynamic Fees]", func() { | ||
| require := require.New(ginkgo.GinkgoT()) | ||
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| // Need a gas limit much larger than the standard 21_000 to enable | ||
| // the contract to induce a gas price increase | ||
| const largeGasLimit = uint64(8_000_000) | ||
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| // TODO(marun) What is the significance of this value? | ||
| gasTip := big.NewInt(1000 * params.GWei) | ||
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| ginkgo.It("should ensure that the gas price is affected by load", func() { | ||
| ginkgo.By("creating a new private network to ensure isolation from other tests") | ||
| privateNetwork := e2e.Env.NewPrivateNetwork() | ||
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| ginkgo.By("allocating a pre-funded key") | ||
| key := privateNetwork.GetConfig().FundedKeys[0] | ||
| ethAddress := evm.GetEthAddress(key) | ||
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| ginkgo.By("initializing a coreth client") | ||
| node := privateNetwork.GetNodes()[0] | ||
| nodeURI := testnet.NodeURI{ | ||
| NodeID: node.GetID(), | ||
| URI: node.GetProcessContext().URI, | ||
| } | ||
| ethClient := e2e.Env.NewEthClient(nodeURI) | ||
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| ginkgo.By("initializing a transaction signer") | ||
| cChainID, err := ethClient.ChainID(e2e.DefaultContext()) | ||
| require.NoError(err) | ||
| signer := types.NewEIP155Signer(cChainID) | ||
| ecdsaKey := key.ToECDSA() | ||
| sign := func(tx *types.Transaction) *types.Transaction { | ||
| signedTx, err := types.SignTx(tx, signer, ecdsaKey) | ||
| require.NoError(err) | ||
| return signedTx | ||
| } | ||
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| var contractAddress common.Address | ||
| ginkgo.By("deploying an expensive contract", func() { | ||
| // Create transaction | ||
| nonce, err := ethClient.AcceptedNonceAt(e2e.DefaultContext(), ethAddress) | ||
| require.NoError(err) | ||
| compiledContract := common.Hex2Bytes(hashingCompiledContract) | ||
| tx := types.NewTx(&types.LegacyTx{ | ||
| Nonce: nonce, | ||
| GasPrice: gasTip, | ||
| Gas: largeGasLimit, | ||
| Value: common.Big0, | ||
| Data: compiledContract, | ||
| }) | ||
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| // Send the transaction and wait for acceptance | ||
| signedTx := sign(tx) | ||
| receipt := e2e.SendEthTransaction(ethClient, signedTx) | ||
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| contractAddress = receipt.ContractAddress | ||
| }) | ||
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| var gasPrice *big.Int | ||
| ginkgo.By("calling the expensive contract repeatedly until a gas price increase is detected", func() { | ||
| // Evaluate the bytes representation of the contract | ||
| hashingABI, err := abi.JSON(strings.NewReader(hashingABIJson)) | ||
| require.NoError(err) | ||
| contractData, err := hashingABI.Pack("hashIt") | ||
| require.NoError(err) | ||
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| var initialGasPrice *big.Int | ||
| e2e.Eventually(func() bool { | ||
| // Check the gas price | ||
| var err error | ||
| gasPrice, err = ethClient.SuggestGasPrice(e2e.DefaultContext()) | ||
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| require.NoError(err) | ||
| if initialGasPrice == nil { | ||
| initialGasPrice = gasPrice | ||
| tests.Outf("{{blue}}initial gas price is %v{{/}}\n", initialGasPrice) | ||
| } else if gasPrice.Cmp(initialGasPrice) > 0 { | ||
| // Gas price has increased | ||
| tests.Outf("{{blue}}gas price has increased to %v{{/}}\n", gasPrice) | ||
| return true | ||
| } | ||
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| // Create the transaction | ||
| nonce, err := ethClient.AcceptedNonceAt(e2e.DefaultContext(), ethAddress) | ||
| require.NoError(err) | ||
| tx := types.NewTx(&types.LegacyTx{ | ||
| Nonce: nonce, | ||
| GasPrice: gasTip, | ||
| Gas: largeGasLimit, | ||
| To: &contractAddress, | ||
| Value: common.Big0, | ||
| Data: contractData, | ||
| }) | ||
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| // Send the transaction and wait for acceptance | ||
| signedTx := sign(tx) | ||
| _ = e2e.SendEthTransaction(ethClient, signedTx) | ||
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| // The gas price will be checked at the start of the next iteration | ||
| return false | ||
| }, e2e.DefaultTimeout, e2e.DefaultPollingInterval, "failed to see gas price increase before timeout") | ||
| }) | ||
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| ginkgo.By("waiting for the gas price to decrease...", func() { | ||
| initialGasPrice := gasPrice | ||
| e2e.Eventually(func() bool { | ||
| var err error | ||
| gasPrice, err = ethClient.SuggestGasPrice(e2e.DefaultContext()) | ||
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| require.NoError(err) | ||
| tests.Outf("{{blue}}.{{/}}") | ||
| return initialGasPrice.Cmp(gasPrice) > 0 | ||
| }, e2e.DefaultTimeout, e2e.DefaultPollingInterval, "failed to see gas price decrease before timeout") | ||
| tests.Outf("\n{{blue}}gas price has decreased to %v{{/}}\n", gasPrice) | ||
| }) | ||
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| ginkgo.By("sending funds at the current gas price", func() { | ||
| // Create a recipient address | ||
| factory := secp256k1.Factory{} | ||
| recipientKey, err := factory.NewPrivateKey() | ||
| require.NoError(err) | ||
| recipientEthAddress := evm.GetEthAddress(recipientKey) | ||
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| // Create transaction | ||
| nonce, err := ethClient.AcceptedNonceAt(e2e.DefaultContext(), ethAddress) | ||
| require.NoError(err) | ||
| tx := types.NewTx(&types.LegacyTx{ | ||
| Nonce: nonce, | ||
| GasPrice: gasPrice, | ||
| Gas: e2e.DefaultGasLimit, | ||
| To: &recipientEthAddress, | ||
| Value: common.Big0, | ||
| }) | ||
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| // Send the transaction and wait for acceptance | ||
| signedTx := sign(tx) | ||
| _ = e2e.SendEthTransaction(ethClient, signedTx) | ||
| }) | ||
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| e2e.CheckBootstrapIsPossible(privateNetwork) | ||
| }) | ||
| }) | ||
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| Original file line number | Diff line number | Diff line change |
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| // SPDX-License-Identifier: MIT | ||
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| pragma solidity = 0.8.6; | ||
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| contract ConsumeGas { | ||
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| bytes hashVar = bytes("This is the hashing text for the test"); | ||
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| function hashIt() public { | ||
| for (uint i=0; i<3700; i++) { | ||
| ripemd160(hashVar); | ||
| } | ||
| } | ||
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| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| // Copyright (C) 2019-2023, Ava Labs, Inc. All rights reserved. | ||
| // See the file LICENSE for licensing terms. | ||
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| // AUTOMATICALLY GENERATED. DO NOT EDIT! | ||
| // Generated from hashing.sol by compile-contract.sh | ||
|
There was a problem hiding this comment. Can we add There was a problem hiding this comment. I lifted this verbatim from avalanche-testing, and the script wasn't committed in that case either. iirc from Aaron that the script in question is only one part of a larger dependency chain and I don't think we would want to commit it here. I figure we have something that works and in the unlikely even that we ever need to modify it we can engage our resident solidity experts to do so. There was a problem hiding this comment. We supported this until go-ethereum removed their Solidity compiler package. I'm not opposed to installing solc and using that where necessary. I don't have a strong opinion on whether it's better to install solc and compile on-demand or hardcode and am open to either. |
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| package c | ||
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| const ( | ||
| hashingCompiledContract = "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" | ||
| hashingABIJson = `[{"inputs":[],"name":"hashIt","outputs":[],"stateMutability":"nonpayable","type":"function"}]` | ||
| ) | ||
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@aaronbuchwald Any hints as to why this is an appropriate value?