imp(tests): prune node integration tests (#1212)

* first pass

* extra comment

* fixed pruned node tests. Fix getBalance on pruned. Fix BaseFee on pruned.

* fix tests execution

* check logs on tests

* address pr comments

* address comments

* Update rpc/namespaces/ethereum/eth/api.go

* update error msg check

* fix lint

* fix linter

* fix linter

* fix py lint

* test lint

* fix lint

* pin golangcli version

* pin golanci version

* pin lint to version 0.48

* fix linter

* fix last linter last file

Co-authored-by: ramacarlucho <ramirocarlucho@gmail.com>
Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

rpc/backend/backend.go

@@ -22,7 +22,7 @@ import (
 )
 
 // BackendI implements the Cosmos and EVM backend.
-type BackendI interface { // nolint: revive
+type BackendI interface { //nolint: revive
 	CosmosBackend
 	EVMBackend
 }

rpc/namespaces/ethereum/debug/api.go

@@ -287,7 +287,7 @@ func (a *API) BlockProfile(file string, nsec uint) error {
 
 // CpuProfile turns on CPU profiling for nsec seconds and writes
 // profile data to file.
-func (a *API) CpuProfile(file string, nsec uint) error { // nolint: golint, stylecheck, revive
+func (a *API) CpuProfile(file string, nsec uint) error { //nolint: golint, stylecheck, revive
 	a.logger.Debug("debug_cpuProfile", "file", file, "nsec", nsec)
 	if err := a.StartCPUProfile(file); err != nil {
 		return err

rpc/namespaces/ethereum/eth/api.go

@@ -128,7 +128,7 @@ func (e *PublicAPI) ProtocolVersion() hexutil.Uint {
 }
 
 // ChainId is the EIP-155 replay-protection chain id for the current ethereum chain config.
-func (e *PublicAPI) ChainId() (*hexutil.Big, error) { // nolint
+func (e *PublicAPI) ChainId() (*hexutil.Big, error) { //nolint
 	e.logger.Debug("eth_chainId")
 	// if current block is at or past the EIP-155 replay-protection fork block, return chainID from config
 	bn, err := e.backend.BlockNumber()
@@ -294,6 +294,11 @@ func (e *PublicAPI) GetBalance(address common.Address, blockNrOrHash rpctypes.Bl
 		return nil, errors.New("invalid balance")
 	}
 
+	// balance can only be negative in case of pruned node
+	if val.IsNegative() {
+		return nil, errors.New("couldn't fetch balance. Node state is pruned")
+	}
+
 	return (*hexutil.Big)(val.BigInt()), nil
 }
 

rpc/namespaces/ethereum/eth/filters/filters.go

@@ -48,7 +48,7 @@ func NewRangeFilter(logger log.Logger, backend Backend, begin, end int64, addres
 	// Flatten the address and topic filter clauses into a single bloombits filter
 	// system. Since the bloombits are not positional, nil topics are permitted,
 	// which get flattened into a nil byte slice.
-	var filtersBz [][][]byte // nolint: prealloc
+	var filtersBz [][][]byte //nolint: prealloc
 	if len(addresses) > 0 {
 		filter := make([][]byte, len(addresses))
 		for i, address := range addresses {

rpc/types/query_client.go

@@ -15,9 +15,9 @@ import (
 )
 
 // QueryClient defines a gRPC Client used for:
-//  - Transaction simulation
-//  - EVM module queries
-// 	- Fee market module queries
+//   - Transaction simulation
+//   - EVM module queries
+//   - Fee market module queries
 type QueryClient struct {
 	tx.ServiceClient
 	evmtypes.QueryClient