mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-12-24 15:25:18 +00:00
feat!(precompile): Add registry and genesis tests (#1999)
* feat!(precompile): Add registry and genesis tests Based on evgeniy-scherbina's work, this adds a new precompile module which defines a contract moudule with an example noop contract that will be will be used for implementing test functions. In addition, it defines a registry module that instantiates stateful precompile contracts and associates them with an address in a global registry defined in kava-labs/go-ethereum. See precompile/README.md for more information. The kava-labs/go-ethereum and kava-labs/etheremint replace statements are updated to support these changes as well as an update to kvtool which includes genesis state for the registry.NoopContractAddress and initializes the contract's EthAccount with a non-zero sequence and codehash set to keccak256(0x01), and sets the contract code to 0x01. See tests/e2e/e2e_precompile_genesis_test.go for an overview of the expected genesis state for an enabled precompile. Co-authored-by: evgeniy-scherbina <evgeniy.shcherbina.es@gmail.com> * chore: Precompile readme improvements This fixes a typo (import -> important) and uses package terminology instead of unclear module terminology. This aligns best with golang terminology were modules and packages are distinctly different and modules are defined using go.mod. * chore: Improve noop contract godoc Add a more meaningful godoc where the noop contract is constructed. * chore(e2e): Improve comments around query checks Improve the clarity of comments around where the error is checked for accounts and why it is not checked directly. In addition, improve comment on why both grpc and rpc code is fetched and where they are used. --------- Co-authored-by: evgeniy-scherbina <evgeniy.shcherbina.es@gmail.com>
This commit is contained in:
Nick DeLuca
GitHub
parent
33932e8ad6
commit
ab3cf7c994
@ -165,6 +165,7 @@ func (suite *EIP712TestSuite) SetupTest() {
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evmtypes.DefaultChainConfig(), // ChainConfig
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nil, // extraEIPs
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nil, // eip712AllowedMsgs
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nil, // enabledPrecompiles
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),
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nil,
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)
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@ -107,6 +107,7 @@ import (
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"github.com/kava-labs/kava/app/ante"
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kavaparams "github.com/kava-labs/kava/app/params"
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_ "github.com/kava-labs/kava/precompile/registry" // Ensure precompiles are registered when using the app module
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"github.com/kava-labs/kava/x/auction"
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auctionkeeper "github.com/kava-labs/kava/x/auction/keeper"
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auctiontypes "github.com/kava-labs/kava/x/auction/types"
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@ -19,6 +19,7 @@ import (
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vestingtypes "github.com/cosmos/cosmos-sdk/x/auth/vesting/types"
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solomachine "github.com/cosmos/ibc-go/v7/modules/light-clients/06-solomachine"
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ibctm "github.com/cosmos/ibc-go/v7/modules/light-clients/07-tendermint"
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"github.com/ethereum/go-ethereum/precompile/modules"
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evmtypes "github.com/evmos/ethermint/x/evm/types"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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@ -119,6 +120,16 @@ func TestLegacyMsgAreAminoRegistered(t *testing.T) {
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}
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}
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// TestPrecompilesAreRegistered asserts that we have loaded the global precompile registry
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// by checking if at least one precompile is set
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//
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// If this test fails then has '_ "github.com/kava-labs/kava/precompile/registry"' been imported?
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func TestPrecompilesAreRegistered(t *testing.T) {
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assert.Greater(t, len(modules.RegisteredModules()), 0,
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"expected precompile registry to be imported and have at least one registered precompile",
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)
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}
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// catchPanic returns the panic value of the passed function. The second return indicates if the function panicked.
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func catchPanic(f func()) (panicValue interface{}, didPanic bool) {
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didPanic = true
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8
go.mod
8
go.mod
@ -234,9 +234,13 @@ replace (
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github.com/cosmos/cosmos-sdk => github.com/kava-labs/cosmos-sdk v0.47.10-iavl-v1-kava.1
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// See https://github.com/cosmos/cosmos-sdk/pull/13093
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github.com/dgrijalva/jwt-go => github.com/golang-jwt/jwt/v4 v4.4.2
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github.com/ethereum/go-ethereum => github.com/Kava-Labs/go-ethereum v1.10.27-0.20240308170502-da7973e5eee0
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// Tracking kava-labs/go-ethereum kava/release/v1.10 branch
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// TODO: Tag before release
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github.com/ethereum/go-ethereum => github.com/Kava-Labs/go-ethereum v1.10.27-0.20240513233504-6e038346780b
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// Use ethermint fork that respects min-gas-price with NoBaseFee true and london enabled, and includes eip712 support
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github.com/evmos/ethermint => github.com/kava-labs/ethermint v0.21.1-0.20240719175058-d18ee9bd0f84
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// Tracking kava-labs/etheremint master branch
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// TODO: Tag before release
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github.com/evmos/ethermint => github.com/kava-labs/ethermint v0.21.1-0.20240802224012-586960857184
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// See https://github.com/cosmos/cosmos-sdk/pull/10401, https://github.com/cosmos/cosmos-sdk/commit/0592ba6158cd0bf49d894be1cef4faeec59e8320
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github.com/gin-gonic/gin => github.com/gin-gonic/gin v1.9.0
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// Downgraded to avoid bugs in following commits which causes "version does not exist" errors
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8
go.sum
8
go.sum
@ -225,8 +225,8 @@ github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3
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github.com/DataDog/zstd v1.5.0/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
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github.com/DataDog/zstd v1.5.5 h1:oWf5W7GtOLgp6bciQYDmhHHjdhYkALu6S/5Ni9ZgSvQ=
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github.com/DataDog/zstd v1.5.5/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
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github.com/Kava-Labs/go-ethereum v1.10.27-0.20240308170502-da7973e5eee0 h1:pPFzOjEZmihLk70TQRPUCWs8uar6nfh4vZ/I1r0zeso=
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github.com/Kava-Labs/go-ethereum v1.10.27-0.20240308170502-da7973e5eee0/go.mod h1:/6CsT5Ceen2WPLI/oCA3xMcZ5sWMF/D46SjM/ayY0Oo=
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github.com/Kava-Labs/go-ethereum v1.10.27-0.20240513233504-6e038346780b h1:gTLS1VJL+6TEcttEmQ9rAmm/UZZw23WlQf6n8R/Xjx0=
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github.com/Kava-Labs/go-ethereum v1.10.27-0.20240513233504-6e038346780b/go.mod h1:tvRm5KYJQ6LT+uss34spIP1oi6JgCfsFYiMKwJLZr6M=
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github.com/Kava-Labs/opendb v0.0.0-20240719173129-a2f11f6d7e51 h1:tMTENCeSPIJO8yCpEQbT15XYXt4EFNQUx3s334uxVts=
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github.com/Kava-Labs/opendb v0.0.0-20240719173129-a2f11f6d7e51/go.mod h1:LbPsJiWvj90NT3Y9YV8EFPkWfvp8A15Tp88qqKa3LxA=
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github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
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@ -894,8 +894,8 @@ github.com/kava-labs/cometbft-db v0.9.1-kava.2 h1:ZQaio886ifvml9XtJB4IYHhlArgA3+
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github.com/kava-labs/cometbft-db v0.9.1-kava.2/go.mod h1:PvUZbx7zeR7I4CAvtKBoii/5ia5gXskKjDjIVpt7gDw=
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github.com/kava-labs/cosmos-sdk v0.47.10-iavl-v1-kava.1 h1:vQwrm3sdAG1pkwrsi2mmCHSGDje5fzUR6vApEux/nVA=
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github.com/kava-labs/cosmos-sdk v0.47.10-iavl-v1-kava.1/go.mod h1:OwLYEBcsnijCLE8gYkwQ7jycZZ/Acd+a83pJU+V+MKw=
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github.com/kava-labs/ethermint v0.21.1-0.20240719175058-d18ee9bd0f84 h1:kAoQaPVKpEIG8t6+F3crawO7vgJIGlUy68XayjkYz8A=
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github.com/kava-labs/ethermint v0.21.1-0.20240719175058-d18ee9bd0f84/go.mod h1:kbyr3La2Co3Hy3U3N2EvVk7W1srQ2x88JUpgsu2KrXo=
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github.com/kava-labs/ethermint v0.21.1-0.20240802224012-586960857184 h1:MWwCXFnkagXk93QiiD41I+S9wyrHZUQWLRFKo2tXL6A=
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github.com/kava-labs/ethermint v0.21.1-0.20240802224012-586960857184/go.mod h1:kbyr3La2Co3Hy3U3N2EvVk7W1srQ2x88JUpgsu2KrXo=
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github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
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github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
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github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
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27
precompile/README.md
Normal file
27
precompile/README.md
Normal file
@ -0,0 +1,27 @@
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# Precompile
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The `precompile` package defines stateful precompile contracts used for creating precompile contracts that enhance the EVM, enable interactions between cosmos state and EVM state, or are used soley for testing purposes.
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This package is made of two subpackages:
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- `contracts` - Defines stateful precompiles and their constructors.
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- `registry` - Defines stateful precompile addresses and registers them with the global registry
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defined at `github.com/kava-labs/go-ethereum/precompile/modules`.
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This is architected to isolate the dependency on the global registry (`github.com/kava-labs/go-ethereum/precompile/modules` package) to as few places as possible, have one source of truth for address registration (see `./registry/registry.go`), and isolate registration testing to one package.
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In order to use the precompile registry, it must be imported for it's init function to run and register the precompiles. For the kava app, this is done in the `app.go` file with the import `_ "github.com/kava-labs/kava/precompile/registry"`. This is done in the `app.go` since this is the main file used for app dependencies and so all modules using the app cause the registry to be loaded. This is important for any consumers of the app outside of the kava cmd, as well as test code using the app for integration and unit testing.
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## Defining a new precompile
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1) Add the expected 0x address to the expected list in `./registry/registry_test.go`.
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2) Create a new sub-directory under `./contracts` with a `contract_test.go` and `contract.go` file.
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3) Implement `NewContract` function with associated tests in contract and contract test files.
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4) Add the contract registration to `./registry/registry.go`.
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## Contracts
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### Noop
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This contract is used for testing purposes only and should not be used on public chains. The functions of this contract (once implemented), will be used to exercise and test the various aspects of the EVM such as gas usage, argument parsing, events, etc. The specific operations tested under this contract are still to be determined.
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23
precompile/contracts/noop/contract.go
Normal file
23
precompile/contracts/noop/contract.go
Normal file
@ -0,0 +1,23 @@
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package noop
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/precompile/contract"
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)
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// NewContract returns a new noop stateful precompiled contract.
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//
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// This contract is used for testing purposes only and should not be used on public chains.
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// The functions of this contract (once implemented), will be used to exercise and test the various aspects of
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// the EVM such as gas usage, argument parsing, events, etc. The specific operations tested under this contract are
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// still to be determined.
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func NewContract() (contract.StatefulPrecompiledContract, error) {
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precompile, err := contract.NewStatefulPrecompileContract([]*contract.StatefulPrecompileFunction{})
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if err != nil {
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return nil, fmt.Errorf("failed to instantiate noop precompile: %w", err)
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}
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return precompile, nil
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}
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18
precompile/contracts/noop/contract_test.go
Normal file
18
precompile/contracts/noop/contract_test.go
Normal file
@ -0,0 +1,18 @@
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package noop_test
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/kava-labs/kava/precompile/contracts/noop"
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)
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// TestContractConstructor ensures we have a valid constructor. This will fail
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// if we attempt to define invalid or duplicate function selectors.
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func TestContractConstructor(t *testing.T) {
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precompile, err := noop.NewContract()
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require.NoError(t, err, "expected precompile not error when created")
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assert.NotNil(t, precompile, "expected precompile contract to be defined")
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}
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46
precompile/registry/registry.go
Normal file
46
precompile/registry/registry.go
Normal file
@ -0,0 +1,46 @@
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package registry
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/precompile/contract"
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"github.com/ethereum/go-ethereum/precompile/modules"
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"github.com/kava-labs/kava/precompile/contracts/noop"
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)
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const (
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// NoopContractAddress the primary noop contract address for testing
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NoopContractAddress = "0x9000000000000000000000000000000000000001"
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// NoopContractAddress2 the secondary noop contract address for testing
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NoopContractAddress2 = "0x9000000000000000000000000000000000000002"
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)
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// init registers stateful precompile contracts with the global precompile registry
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// defined in kava-labs/go-ethereum/precompile/modules
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func init() {
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register(NoopContractAddress, noop.NewContract)
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register(NoopContractAddress2, noop.NewContract)
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}
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// register accepts a 0x address string and a stateful precompile contract constructor, instantiates the
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// precompile contract via the constructor, and registers it with the precompile module registry.
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//
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// This panics if the contract can not be created or the module can not be registered
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func register(address string, newContract func() (contract.StatefulPrecompiledContract, error)) {
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contract, err := newContract()
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if err != nil {
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panic(fmt.Errorf("error creating contract for address %s: %w", address, err))
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}
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module := modules.Module{
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Address: common.HexToAddress(address),
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Contract: contract,
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}
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err = modules.RegisterModule(module)
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if err != nil {
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panic(fmt.Errorf("error registering contract module for address %s: %w", address, err))
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}
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}
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33
precompile/registry/registry_test.go
Normal file
33
precompile/registry/registry_test.go
Normal file
@ -0,0 +1,33 @@
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package registry_test
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import (
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"testing"
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"github.com/ethereum/go-ethereum/precompile/modules"
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"github.com/stretchr/testify/assert"
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)
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// TestRegisteredPrecompiles asserts precompiles are registered
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//
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// In addition, this serves as an integration test to
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// 1. Ensure modules.RegisteredModules() is returning addresses in the correct ascending order
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// 2. Ensure that that the address defined in the module is correct. Since we use common.HexToAddress and
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// then back to 0x encoded string, we can be certain that the string defined in the module is the
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// expected length, not missing 0's, etc.
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func TestRegisteredPrecompilesAddresses(t *testing.T) {
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// build list of 0x addresses that are registered
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registeredModules := modules.RegisteredModules()
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registeredPrecompiles := make([]string, 0, len(registeredModules))
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for _, rp := range registeredModules {
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registeredPrecompiles = append(registeredPrecompiles, rp.Address.String())
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}
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expectedPrecompiles := []string{
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// 0x9 address space used for e2e & integration tests
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"0x9000000000000000000000000000000000000001", // noop
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"0x9000000000000000000000000000000000000002", // noop (duplicated for testing)
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}
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assert.Equal(t, expectedPrecompiles, registeredPrecompiles,
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"expected registered precompile address list to match to match expected")
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}
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173
tests/e2e/e2e_precompile_genesis_test.go
Normal file
173
tests/e2e/e2e_precompile_genesis_test.go
Normal file
@ -0,0 +1,173 @@
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package e2e_test
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import (
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"context"
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"math/big"
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sdk "github.com/cosmos/cosmos-sdk/types"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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ethermint "github.com/evmos/ethermint/types"
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evmtypes "github.com/evmos/ethermint/x/evm/types"
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"github.com/kava-labs/kava/precompile/registry"
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)
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// TestPrecompileGenesis tests that the the following is true for enabled precompiles:
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//
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// - An enabled precompile has an EthAccount with matching code hash,
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// sequence of 1, and no public key
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// - An enabled precompile has code equal to 0x01
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// - An enabled precompile has a nonce of 1
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//
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// This is important to ensure the genesis setup for precompiles is correct.
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func (suite *IntegrationTestSuite) TestPrecompileGenesis() {
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type fixture struct {
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address string
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expectIsEnabled bool
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expectIsEthAccount bool
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expectCode []byte
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expectNonce uint64
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}
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// enabled represnets the expected state for a registered precompile
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// that is enabled at genesis
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enabled := func(address string) func() fixture {
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return func() fixture {
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return fixture{
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address: address,
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expectIsEnabled: true,
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expectIsEthAccount: true,
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expectCode: []byte{0x01},
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expectNonce: uint64(1),
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}
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||||
}
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}
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|
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// disabled represents the expected state for a registered precompile
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// that is not enabled at genesis
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disabled := func(address string) func() fixture {
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return func() fixture {
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return fixture{
|
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address: address,
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expectIsEnabled: false,
|
||||
expectIsEthAccount: false,
|
||||
expectCode: []byte{},
|
||||
expectNonce: uint64(0),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
testCases := []struct {
|
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name string
|
||||
genFixture func() fixture
|
||||
}{
|
||||
{
|
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name: "noop contract address is enabled and initialized",
|
||||
genFixture: enabled(registry.NoopContractAddress),
|
||||
},
|
||||
{
|
||||
name: "noop contract address second address is disabled and not initialized",
|
||||
genFixture: disabled(registry.NoopContractAddress2),
|
||||
},
|
||||
}
|
||||
|
||||
for _, tc := range testCases {
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suite.Run(tc.name, func() {
|
||||
tf := tc.genFixture()
|
||||
|
||||
//
|
||||
// Addresses
|
||||
//
|
||||
evmAddress := common.HexToAddress(tf.address)
|
||||
sdkAddress := sdk.AccAddress(evmAddress.Bytes())
|
||||
|
||||
//
|
||||
// Heights
|
||||
//
|
||||
// We ensure all queries happen at block 1 after genesis
|
||||
// and help ensure determisitc behavior
|
||||
genesisHeight := big.NewInt(1)
|
||||
grpcGenesisContext := suite.Kava.Grpc.CtxAtHeight(genesisHeight.Int64())
|
||||
|
||||
//
|
||||
// Queries
|
||||
//
|
||||
evmParamsResp, err := suite.Kava.Grpc.Query.Evm.Params(grpcGenesisContext, &evmtypes.QueryParamsRequest{})
|
||||
suite.Require().NoError(err)
|
||||
|
||||
// accountErr is checked during in the assertions below if tf.expectIsEthAccount is true
|
||||
// This is due to the service returning a not found error for address that are not enabled,
|
||||
// which can be ignored when we do not expect an eth account to exist.
|
||||
accountResponse, accountErr := suite.Kava.Grpc.Query.Auth.Account(
|
||||
grpcGenesisContext, &authtypes.QueryAccountRequest{Address: sdkAddress.String()})
|
||||
var account authtypes.AccountI
|
||||
if accountErr == nil {
|
||||
err = suite.Kava.EncodingConfig.Marshaler.UnpackAny(accountResponse.Account, &account)
|
||||
suite.Require().NoError(err)
|
||||
}
|
||||
|
||||
// We ensure both the evm json rpc and x/evm grpc code endpoints return the same value
|
||||
// in the assertions below
|
||||
grpcCodeResponse, err := suite.Kava.Grpc.Query.Evm.Code(grpcGenesisContext,
|
||||
&evmtypes.QueryCodeRequest{Address: evmAddress.String()})
|
||||
suite.Require().NoError(err)
|
||||
rpcCode, err := suite.Kava.EvmClient.CodeAt(context.Background(), evmAddress, genesisHeight)
|
||||
suite.Require().NoError(err)
|
||||
|
||||
nonce, err := suite.Kava.EvmClient.NonceAt(context.Background(), evmAddress, genesisHeight)
|
||||
suite.Require().NoError(err)
|
||||
|
||||
//
|
||||
// Assertions
|
||||
//
|
||||
if tf.expectIsEnabled {
|
||||
suite.Containsf(evmParamsResp.Params.EnabledPrecompiles, tf.address,
|
||||
"expected %s to be enabled in evm params", tf.address)
|
||||
} else {
|
||||
suite.NotContainsf(evmParamsResp.Params.EnabledPrecompiles, tf.address,
|
||||
"expected %s to not be enabled in evm params", tf.address)
|
||||
}
|
||||
|
||||
// Fail if fixuture configuration is invalid
|
||||
if tf.expectIsEthAccount && len(tf.expectCode) == 0 {
|
||||
suite.Failf("an eth account must have expected code for address %s", tf.address)
|
||||
}
|
||||
|
||||
// Run addition EthAccount assertions
|
||||
if tf.expectIsEthAccount {
|
||||
suite.Require().NoErrorf(accountErr, "expected account query to not error for address %s", tf.address)
|
||||
|
||||
// All contracts including precompiles must be EthAccount's
|
||||
ethAccount, isEthAccount := account.(*ethermint.EthAccount)
|
||||
suite.Require().Truef(isEthAccount, "expected account at address %s to be an eth account", tf.address)
|
||||
|
||||
// Code hash must always match the EthAccount
|
||||
codeHash := ethAccount.GetCodeHash()
|
||||
suite.Equalf(crypto.Keccak256Hash(tf.expectCode), codeHash,
|
||||
"expected codehash for account %s to match expected code", tf.address)
|
||||
|
||||
// A precompile (and contract) should never have a public key set
|
||||
suite.Nilf(ethAccount.PubKey, "expected account %s to have no public key", tf.address)
|
||||
|
||||
// Assert the account sequence matches the expected nonce
|
||||
// This a duplicate of the nonce assertion below, but also helps ensure these
|
||||
// two sources agree
|
||||
suite.Equal(tf.expectNonce, ethAccount.GetSequence())
|
||||
}
|
||||
|
||||
// We assert both methods of code retrieval report the same value
|
||||
suite.Equalf(tf.expectCode, rpcCode, "expected code for address %s to match expected", tf.address)
|
||||
// The GRPC endpoint returns []byte(nil) when the code is not in state, which is different from
|
||||
// the rpc endpoint that returns []byte{}.
|
||||
grpcExpectedCode := tf.expectCode
|
||||
if len(grpcExpectedCode) == 0 {
|
||||
grpcExpectedCode = []byte(nil)
|
||||
}
|
||||
suite.Equalf(grpcExpectedCode, grpcCodeResponse.Code, "expected code for address %s to match expected", tf.address)
|
||||
// We assert this outside of the account context since the evm rpc always returns a nonce
|
||||
suite.Equalf(tf.expectNonce, nonce, "expected nonce for address %s to match expected", tf.address)
|
||||
})
|
||||
}
|
||||
}
|
||||
@ -1 +1 @@
|
||||
Subproject commit d98dac4213b0e34ac41793e54c42731e395ab752
|
||||
Subproject commit f78c74549f62d975d8de99c7bd158b3d92e5b145
|
||||
Loading…
Reference in New Issue
Block a user