cerc-io/ipld-eth-server
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Fix and add integration test.

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This commit is contained in:
Arijit Das 2021-06-10 00:20:12 +05:30
parent b3ef2934b7
commit 3b3716499f
5 changed files with 27 additions and 16 deletions
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2
pkg/eth/api.go
View File

@ -714,7 +714,7 @@ func (pea *PublicEthAPI) GetStorageAt(ctx context.Context, address common.Addres
}
}
if err == sql.ErrNoRows {
return hexutil.Bytes{}, errors.New("header not found")
return make([]byte, 32), nil
}
return nil, err
}

2
pkg/eth/api_test.go
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@ -333,7 +333,7 @@ var _ = Describe("API", func() {
Expect(err).ToNot(HaveOccurred())
Expect(uncle2).To(Equal(expectedUncle2))
})
It("Returns `nil` if an block for blocknumber cannot be found", func() {
It("Returns `nil` if an block for block number cannot be found", func() {
block, err := api.GetUncleByBlockNumberAndIndex(ctx, wrongNumber, 0)
Expect(err).ToNot(HaveOccurred())
Expect(block).To(BeNil())

4
pkg/eth/backend.go
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@ -598,8 +598,8 @@ func (b *Backend) GetAccountByNumber(ctx context.Context, address common.Address
return nil, errPendingBlockNumber
}
hash, err := b.GetCanonicalHash(uint64(number))
if err == sql.ErrNoRows || hash == (common.Hash{}) {
return nil, fmt.Errorf("no canoncial block hash found for provided height (%d)", number)
if err == sql.ErrNoRows {
return nil, fmt.Errorf("header not found")
} else if err != nil {
return nil, err
}

24
pkg/eth/eth_state_test.go
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@ -79,7 +79,7 @@ var _ = Describe("eth state reading tests", func() {
backend, err = eth.NewEthBackend(db, &eth.Config{
ChainConfig: chainConfig,
VmConfig: vm.Config{},
RPCGasCap: big.NewInt(10000000000),
RPCGasCap: big.NewInt(10000000000), // Max gas capacity for a rpc call.
})
Expect(err).ToNot(HaveOccurred())
api = eth.NewPublicEthAPI(backend, nil, false)
@ -456,19 +456,19 @@ var _ = Describe("eth state reading tests", func() {
})
Describe("eth_getStorageAt", func() {
It("Throws an error if it tries to access a contract which does not exist", func() {
_, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(0))
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("header not found"))
It("Returns empty slice if it tries to access a contract which does not exist", func() {
storage, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(0))
Expect(err).NotTo(HaveOccurred())
Expect(storage).To(Equal(hexutil.Bytes(make([]byte, 32))))
_, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(1))
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("header not found"))
storage, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(1))
Expect(err).NotTo(HaveOccurred())
Expect(storage).To(Equal(hexutil.Bytes(make([]byte, 32))))
})
It("Throws an error if it tries to access a contract slot which does not exist", func() {
_, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, randomHash.Hex(), rpc.BlockNumberOrHashWithNumber(2))
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("header not found"))
It("Returns empty slice if it tries to access a contract slot which does not exist", func() {
storage, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, randomHash.Hex(), rpc.BlockNumberOrHashWithNumber(2))
Expect(err).NotTo(HaveOccurred())
Expect(storage).To(Equal(hexutil.Bytes(make([]byte, 32))))
})
It("Retrieves the storage value at the provided contract address and storage leaf key at the block with the provided hash or number", func() {
// After deployment

11
test/integration_test.go
View File

@ -291,6 +291,17 @@ var _ = Describe("Integration test", func() {
ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(nonExistingAddress), nil)
Expect(err).ToNot(HaveOccurred())
Expect(gethBalance).To(Equal(ipldBalance))
})
It("gets balance for an non-existing block number", func() {
Expect(txErr).ToNot(HaveOccurred())
gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber+3)))
Expect(err).To(MatchError("header not found"))
ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(nonExistingAddress), big.NewInt(int64(tx.BlockNumber+3)))
Expect(err).To(MatchError("header not found"))
Expect(gethBalance).To(Equal(ipldBalance))
})
})