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fix: eth_getTransactionByHash + eth_getTransactionReceipt fixes #9933

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merged 8 commits into from
Dec 23, 2022
Merged

fix: eth_getTransactionByHash + eth_getTransactionReceipt fixes #9933

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48b4e75
fix: eth_getTransactionByHash: return hash.
raulk Dec 23, 2022
061e214
eth_getTransactionByHash: return nil in some fields when tx is in mpool.
raulk Dec 23, 2022
645221d
fix nonce
ychiaoli18 Dec 23, 2022
ac39d5c
regen docs.
raulk Dec 23, 2022
51c0f1b
fix: Eth JSON-RPC API: eth_getTransactionReceipt logs-related fixes.
raulk Dec 23, 2022
2445487
add test coverage.
raulk Dec 23, 2022
4963c0b
add docs.
raulk Dec 23, 2022
a2af7df
refine docs.
raulk Dec 23, 2022
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Binary file modified build/openrpc/full.json.gz
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6 changes: 3 additions & 3 deletions chain/types/ethtypes/eth_transactions.go
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Original file line number Diff line number Diff line change
Expand Up @@ -29,9 +29,9 @@ type EthTx struct {
ChainID EthUint64 `json:"chainId"`
Nonce EthUint64 `json:"nonce"`
Hash EthHash `json:"hash"`
BlockHash EthHash `json:"blockHash"`
BlockNumber EthUint64 `json:"blockNumber"`
TransactionIndex EthUint64 `json:"transactionIndex"`
BlockHash *EthHash `json:"blockHash"`
BlockNumber *EthUint64 `json:"blockNumber"`
TransactionIndex *EthUint64 `json:"transactionIndex"`
From EthAddress `json:"from"`
To *EthAddress `json:"to"`
Value EthBigInt `json:"value"`
Expand Down
18 changes: 9 additions & 9 deletions documentation/en/api-v1-unstable-methods.md
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Expand Up @@ -2319,9 +2319,9 @@ Response:
"chainId": "0x0",
"nonce": "0x5",
"hash": "0x0707070707070707070707070707070707070707070707070707070707070707",
"blockHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"blockNumber": "0x0",
"transactionIndex": "0x0",
"blockHash": null,
"blockNumber": null,
"transactionIndex": null,
"from": "0x0707070707070707070707070707070707070707",
"to": "0x5cbeecf99d3fdb3f25e309cc264f240bb0664031",
"value": "0x0",
Expand Down Expand Up @@ -2355,9 +2355,9 @@ Response:
"chainId": "0x0",
"nonce": "0x5",
"hash": "0x0707070707070707070707070707070707070707070707070707070707070707",
"blockHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"blockNumber": "0x0",
"transactionIndex": "0x0",
"blockHash": null,
"blockNumber": null,
"transactionIndex": null,
"from": "0x0707070707070707070707070707070707070707",
"to": "0x5cbeecf99d3fdb3f25e309cc264f240bb0664031",
"value": "0x0",
Expand Down Expand Up @@ -2390,9 +2390,9 @@ Response:
"chainId": "0x0",
"nonce": "0x5",
"hash": "0x0707070707070707070707070707070707070707070707070707070707070707",
"blockHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"blockNumber": "0x0",
"transactionIndex": "0x0",
"blockHash": null,
"blockNumber": null,
"transactionIndex": null,
"from": "0x0707070707070707070707070707070707070707",
"to": "0x5cbeecf99d3fdb3f25e309cc264f240bb0664031",
"value": "0x0",
Expand Down
38 changes: 33 additions & 5 deletions itests/eth_deploy_test.go
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Expand Up @@ -28,7 +28,9 @@ func TestDeployment(t *testing.T) {
// He who writes the second test, shall do that.
// kit.QuietMiningLogs()

blockTime := 100 * time.Millisecond
// reasonable blocktime so that the tx sits in the mpool for a bit during the test.
// although this is non-deterministic...
blockTime := 1 * time.Second
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I'd consider increasing this -- this test isn't really constrained by epochs (needs ~3 epochs), so even if the blocktime were like 5 seconds, it would still finish pretty quickly

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Plus the boot up time for the chain (around 10 epochs).

client, _, ens := kit.EnsembleMinimal(
t,
kit.MockProofs(),
Expand Down Expand Up @@ -94,17 +96,25 @@ func TestDeployment(t *testing.T) {
hash := client.EVM().SubmitTransaction(ctx, &tx)
fmt.Println(hash)

mpoolTx, err := client.EthGetTransactionByHash(ctx, &hash)
require.NoError(t, err)

// require that the hashes are identical
require.Equal(t, hash, mpoolTx.Hash)

// these fields should be nil because the tx hasn't landed on chain.
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Yeah, let's not play this game, we're inviting flakiness here.

Can we just try to lookup the receipt before making these assertions? If found, let's simply skip them (with a log saying that we're doing so).

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This is actually a pretty important assertion (we had bugs here before, so want to lock these for regression testing). I'm onboard with deflaking, as long as we don't withdraw coverage we need.

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The Miners in the itest framework have pause and unpause functions exposed, but we should implement a function for the test kit that allows us to pause and unpause all mining.

require.Nil(t, mpoolTx.BlockNumber)
require.Nil(t, mpoolTx.BlockHash)
require.Nil(t, mpoolTx.TransactionIndex)

changes, err := client.EthGetFilterChanges(ctx, pendingFilter)
require.NoError(t, err)
require.Len(t, changes.Results, 1)
require.Equal(t, hash.String(), changes.Results[0])

time.Sleep(5 * time.Second)

var receipt *api.EthTxReceipt
for i := 0; i < 10000000000; i++ {
for i := 0; i < 20; i++ {
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Let's just actually StateWaitMsg here instead of this funkiness -- if we don't have the tooling to easily get the msgCid, slap a TODO on it for now (I think the work @geoff-vball is doing will make this easy to do).

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We do need to check that the receipt is null while the transaction hasn't landed on chain -- it's part of the test's coverage.

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Sure, keep doing that every 500ms, but the cue to stop is StateWaitMsg returning (not "i waited 10 seconds").

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We still need a timeout for the test (should not let it run indefinitely). We could have a timed context with StateWaitMsg, but at that point we're achieving the same effect as here with more complicated code, so it's a matter of choice.

receipt, err = client.EthGetTransactionReceipt(ctx, hash)
fmt.Println(receipt, err)
if err != nil || receipt == nil {
time.Sleep(500 * time.Millisecond)
continue
Expand All @@ -113,10 +123,28 @@ func TestDeployment(t *testing.T) {
}
require.NoError(t, err)
require.NotNil(t, receipt)
// logs must be an empty array, not a nil value, to avoid tooling compatibility issues
require.Empty(t, receipt.Logs)
// a correctly formed logs bloom, albeit empty, has 256 zeroes
require.Len(t, receipt.LogsBloom, 256)
require.Equal(t, ethtypes.EthBytes(make([]byte, 256)), receipt.LogsBloom)

// Success.
require.EqualValues(t, ethtypes.EthUint64(0x1), receipt.Status)

// Verify that the chain transaction now has new fields set.
chainTx, err := client.EthGetTransactionByHash(ctx, &hash)
require.NoError(t, err)

// require that the hashes are identical
require.Equal(t, hash, chainTx.Hash)
require.NotNil(t, chainTx.BlockNumber)
require.Greater(t, uint64(*chainTx.BlockNumber), uint64(0))
require.NotNil(t, chainTx.BlockHash)
require.NotEmpty(t, *chainTx.BlockHash)
require.NotNil(t, chainTx.TransactionIndex)
require.Equal(t, uint64(*chainTx.TransactionIndex), uint64(0)) // only transaction

// Verify that the deployer is now an account.
client.AssertActorType(ctx, deployer, manifest.EthAccountKey)

Expand Down
81 changes: 68 additions & 13 deletions node/impl/full/eth.go
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Expand Up @@ -79,9 +79,35 @@ var (
_ EthEventAPI = *new(api.FullNode)
)

// EthModule provides a default implementation of EthModuleAPI.
// It can be swapped out with another implementation through Dependency
// Injection (for example with a thin RPC client).
var EmptyLogsBloom = make([]byte, 256)

// EthModule provides the default implementation of the standard Ethereum JSON-RPC API.
//
// # Execution model reconciliation
//
// Ethereum relies on an immediate block-based execution model. The block that includes
// a transaction is also the block that executes it. Each block specifies the state root
// resulting from executing all transactions within it (output state).
//
// In Filecoin, at every epoch there is an unknown number of round winners all of whom are
// entitled to publish a block. Blocks are collected into a tipset. A tipset is committed
// only when the subsequent tipset is built on it (i.e. it becomes a parent). Block producers
// execute the parent tipset and specify the resulting state root in the block being produced.
// In other words, contrary to Ethereum, each block specifies the input state root.
//
// Ethereum clients expect transactions returned via eth_getBlock* to have a receipt
// (due to immediate execution). For this reason:
//
// - eth_blockNumber returns the latest executed epoch (head - 1)
// - The 'latest' block refers to the latest executed epoch (head - 1)
// - The 'pending' block refers to the current speculative tipset (head)
// - eth_getTransactionByHash returns the inclusion tipset of a message, but
// only after it has executed.
// - eth_getTransactionReceipt ditto.
//
// "Latest executed epoch" refers to the tipset that this node currently
// accepts as the best parent tipset, based on the blocks it is accumulating
// within the HEAD tipset.
type EthModule struct {
fx.In

Expand Down Expand Up @@ -1480,7 +1506,14 @@ func newEthTxFromFilecoinMessage(ctx context.Context, smsg *types.SignedMessage,
r, s, v = ethtypes.EthBigIntZero, ethtypes.EthBigIntZero, ethtypes.EthBigIntZero
}

hash, err := ethtypes.NewEthHashFromCid(smsg.Cid())
if err != nil {
return ethtypes.EthTx{}, err
}

tx := ethtypes.EthTx{
Hash: hash,
Nonce: ethtypes.EthUint64(smsg.Message.Nonce),
ChainID: ethtypes.EthUint64(build.Eip155ChainId),
From: fromEthAddr,
To: toAddr,
Expand Down Expand Up @@ -1559,24 +1592,46 @@ func newEthTxFromFilecoinMessageLookup(ctx context.Context, msgLookup *api.MsgLo
return ethtypes.EthTx{}, err
}

var (
bn = ethtypes.EthUint64(parentTs.Height())
ti = ethtypes.EthUint64(txIdx)
)

tx.ChainID = ethtypes.EthUint64(build.Eip155ChainId)
tx.Hash = txHash
tx.BlockHash = blkHash
tx.BlockNumber = ethtypes.EthUint64(parentTs.Height())
tx.TransactionIndex = ethtypes.EthUint64(txIdx)
tx.BlockHash = &blkHash
tx.BlockNumber = &bn
tx.TransactionIndex = &ti
return tx, nil
}

func newEthTxReceipt(ctx context.Context, tx ethtypes.EthTx, lookup *api.MsgLookup, replay *api.InvocResult, events []types.Event, sa StateAPI) (api.EthTxReceipt, error) {
var (
transactionIndex ethtypes.EthUint64
blockHash ethtypes.EthHash
blockNumber ethtypes.EthUint64
)

if tx.TransactionIndex != nil {
transactionIndex = *tx.TransactionIndex
}
if tx.BlockHash != nil {
blockHash = *tx.BlockHash
}
if tx.BlockNumber != nil {
blockNumber = *tx.BlockNumber
}

receipt := api.EthTxReceipt{
TransactionHash: tx.Hash,
TransactionIndex: tx.TransactionIndex,
BlockHash: tx.BlockHash,
BlockNumber: tx.BlockNumber,
From: tx.From,
To: tx.To,
TransactionIndex: transactionIndex,
BlockHash: blockHash,
BlockNumber: blockNumber,
Type: ethtypes.EthUint64(2),
LogsBloom: []byte{0},
LogsBloom: EmptyLogsBloom,
Logs: make([]ethtypes.EthLog, 0),
}

if receipt.To == nil && lookup.Receipt.ExitCode.IsSuccess() {
Expand Down Expand Up @@ -1608,10 +1663,10 @@ func newEthTxReceipt(ctx context.Context, tx ethtypes.EthTx, lookup *api.MsgLook
l := ethtypes.EthLog{
Removed: false,
LogIndex: ethtypes.EthUint64(i),
TransactionIndex: tx.TransactionIndex,
TransactionHash: tx.Hash,
BlockHash: tx.BlockHash,
BlockNumber: tx.BlockNumber,
TransactionIndex: transactionIndex,
BlockHash: blockHash,
BlockNumber: blockNumber,
}

for _, entry := range evt.Entries {
Expand Down