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rpc: fix eth_getBlockTransactionCountByNumber crash on block not found (#254)

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* Fix GetBlockTransactionCountByNumber crashed on block not found

* Fix getTransactionByBlock*

* Update log based on review

* Apply suggestions from code review

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

* Apply suggestions from code review

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
This commit is contained in:
Calvin Lau 2021-07-16 18:13:15 +08:00 committed by GitHub
parent 333a76bdf8
commit 071ae3f618
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 98 additions and 1 deletions
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24
ethereum/rpc/namespaces/eth/api.go
View File

@ -273,6 +273,12 @@ func (e *PublicAPI) GetBlockTransactionCountByHash(hash common.Hash) *hexutil.Ui
resBlock, err := e.clientCtx.Client.BlockByHash(e.ctx, hash.Bytes())
if err != nil {
e.logger.Debug("block not found", "hash", hash.Hex(), "error", err.Error())
return nil
}
if resBlock.Block == nil {
e.logger.Debug("block not found", "hash", hash.Hex())
return nil
}
@ -282,9 +288,15 @@ func (e *PublicAPI) GetBlockTransactionCountByHash(hash common.Hash) *hexutil.Ui
// GetBlockTransactionCountByNumber returns the number of transactions in the block identified by number.
func (e *PublicAPI) GetBlockTransactionCountByNumber(blockNum rpctypes.BlockNumber) *hexutil.Uint {
e.logger.Debug("eth_getBlockTransactionCountByNumber", "block number", blockNum)
e.logger.Debug("eth_getBlockTransactionCountByNumber", "height", blockNum.Int64())
resBlock, err := e.clientCtx.Client.Block(e.ctx, blockNum.TmHeight())
if err != nil {
e.logger.Debug("block not found", "height", blockNum.Int64(), "error", err.Error())
return nil
}
if resBlock.Block == nil {
e.logger.Debug("block not found", "height", blockNum.Int64())
return nil
}
@ -668,6 +680,11 @@ func (e *PublicAPI) GetTransactionByBlockHashAndIndex(hash common.Hash, idx hexu
return nil, nil
}
if resBlock.Block == nil {
e.logger.Debug("block not found", "hash", hash.Hex())
return nil, nil
}
i := int(idx)
if i >= len(resBlock.Block.Txs) {
e.logger.Debug("block txs index out of bound", "index", i)
@ -706,6 +723,11 @@ func (e *PublicAPI) GetTransactionByBlockNumberAndIndex(blockNum rpctypes.BlockN
return nil, nil
}
if resBlock.Block == nil {
e.logger.Debug("block not found", "height", blockNum.Int64())
return nil, nil
}
i := int(idx)
if i >= len(resBlock.Block.Txs) {
e.logger.Debug("block txs index out of bound", "index", i)

75
tests/rpc/rpc_test.go
View File

@ -214,6 +214,81 @@ func TestEth_GetTransactionCount(t *testing.T) {
require.Equal(t, prev, post-1)
}
func TestETH_GetBlockTransactionCountByHash(t *testing.T) {
txHash := sendTestTransaction(t)
time.Sleep(time.Second * 5)
param := []string{txHash.String()}
rpcRes := call(t, "eth_getTransactionReceipt", param)
require.Nil(t, rpcRes.Error)
receipt := make(map[string]interface{})
err := json.Unmarshal(rpcRes.Result, &receipt)
require.NoError(t, err)
require.NotEmpty(t, receipt)
blockHash := receipt["blockHash"].(string)
param = []string{blockHash}
rpcRes = call(t, "eth_getBlockTransactionCountByHash", param)
var res hexutil.Uint
err = res.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
require.Equal(t, "0x1", res.String())
}
func TestETH_GetBlockTransactionCountByHash_BlockHashNotFound(t *testing.T) {
anyBlockHash := "0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35"
param := []string{anyBlockHash}
rpcRes := call(t, "eth_getBlockTransactionCountByHash", param)
var result interface{}
err := json.Unmarshal(rpcRes.Result, &result)
require.NoError(t, err)
require.Nil(t, result)
}
func TestETH_GetTransactionByBlockHashAndIndex(t *testing.T) {
txHash := sendTestTransaction(t)
time.Sleep(time.Second * 5)
param := []string{txHash.String()}
rpcRes := call(t, "eth_getTransactionReceipt", param)
require.Nil(t, rpcRes.Error)
receipt := make(map[string]interface{})
err := json.Unmarshal(rpcRes.Result, &receipt)
require.NoError(t, err)
require.NotEmpty(t, receipt)
blockHash := receipt["blockHash"].(string)
param = []string{blockHash, "0x0"}
rpcRes = call(t, "eth_getTransactionByBlockHashAndIndex", param)
tx := make(map[string]interface{})
err = json.Unmarshal(rpcRes.Result, &tx)
require.NoError(t, err)
require.NotNil(t, tx)
require.Equal(t, blockHash, tx["blockHash"].(string))
require.Equal(t, "0x0", tx["transactionIndex"].(string))
}
func TestETH_GetTransactionByBlockHashAndIndex_BlockHashNotFound(t *testing.T) {
anyBlockHash := "0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35"
param := []string{anyBlockHash, "0x0"}
rpcRes := call(t, "eth_getTransactionByBlockHashAndIndex", param)
var result interface{}
err := json.Unmarshal(rpcRes.Result, &result)
require.NoError(t, err)
require.Nil(t, result)
}
func TestEth_GetTransactionLogs(t *testing.T) {
// TODO: this test passes on when run on its own, but fails when run with the other tests
if testing.Short() {