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feat(monitor): add xcall loadgen to the monitor app (#2723)
This PR adds xcall load generation to the monitor app. issue: #2275
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| package loadgen | ||
|
|
||
| import ( | ||
| "context" | ||
| "math/rand/v2" | ||
| "time" | ||
|
|
||
| "github.com/omni-network/omni/contracts/bindings" | ||
| "github.com/omni-network/omni/lib/contracts" | ||
| "github.com/omni-network/omni/lib/contracts/portal" | ||
| "github.com/omni-network/omni/lib/errors" | ||
| "github.com/omni-network/omni/lib/ethclient/ethbackend" | ||
| "github.com/omni-network/omni/lib/log" | ||
| "github.com/omni-network/omni/lib/netconf" | ||
| "github.com/omni-network/omni/lib/xchain" | ||
|
|
||
| "github.com/ethereum/go-ethereum/accounts/abi/bind" | ||
| "github.com/ethereum/go-ethereum/common" | ||
| ) | ||
|
|
||
| const ( | ||
| deadAddr = "0x000000000000000000000000000000000000dead" | ||
| ) | ||
|
|
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| type xCallConfig struct { | ||
| NetworkID netconf.ID | ||
| XCallerAddr common.Address | ||
| Period time.Duration | ||
| Backends ethbackend.Backends | ||
| Chains []netconf.Chain | ||
| } | ||
|
|
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| func xCallForever(ctx context.Context, cfg xCallConfig) { | ||
| log.Info(ctx, "Starting periodic xcalls", "period", cfg.Period) | ||
|
|
||
| nextPeriod := func() time.Duration { | ||
| jitter := time.Duration(float64(cfg.Period) * rand.Float64() * loadgenJitter) //nolint:gosec // Weak random ok for load tests. | ||
| return cfg.Period + jitter | ||
| } | ||
|
|
||
| // timer will tick immediately | ||
| timer := time.NewTimer(0) | ||
| defer timer.Stop() | ||
|
|
||
| for { | ||
| select { | ||
| case <-ctx.Done(): | ||
| return | ||
| case <-timer.C: | ||
| if err := xCall(ctx, cfg); err != nil { | ||
| log.Warn(ctx, "Failed to xcall (will retry)", err) | ||
| } | ||
| timer.Reset(nextPeriod()) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func xCall(ctx context.Context, cfg xCallConfig) error { | ||
| srcChain, dstChain := getChainPair(cfg.Chains) | ||
| backend, err := cfg.Backends.Backend(srcChain.ID) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| srcPortal, err := getPortal(ctx, cfg.NetworkID, srcChain.ID, cfg.Backends) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| var nilData []byte | ||
| to := common.HexToAddress(deadAddr) | ||
| fee, err := srcPortal.FeeFor(&bind.CallOpts{Context: ctx}, dstChain.ID, nilData, portal.XMsgMinGasLimit) | ||
| if err != nil { | ||
| return errors.Wrap(err, "feeFor", | ||
| "src_chain", srcChain.ID, | ||
| "dst_chain_id", dstChain.ID, | ||
| ) | ||
| } | ||
|
|
||
| txOpts, err := backend.BindOpts(ctx, cfg.XCallerAddr) | ||
| if err != nil { | ||
| return errors.Wrap(err, "bindOpts") | ||
| } | ||
|
|
||
| txOpts.Value = fee | ||
| tx, err := srcPortal.Xcall(txOpts, dstChain.ID, uint8(xchain.ConfLatest), to, nilData, portal.XMsgMinGasLimit) | ||
| if err != nil { | ||
| return errors.Wrap(err, "xcall", | ||
| "src_chain", srcChain.ID, | ||
| "dst_chain_id", dstChain.ID, | ||
| ) | ||
| } | ||
|
|
||
| if _, err = backend.WaitMined(ctx, tx); err != nil { | ||
| return errors.Wrap(err, "wait mined") | ||
| } | ||
|
|
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| log.Debug(ctx, "Xcall made", "src_chain", srcChain.Name, "dst_chain", dstChain.Name, "tx_hash", tx.Hash()) | ||
|
|
||
| return nil | ||
| } | ||
|
|
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| func getPortal(ctx context.Context, networkID netconf.ID, chainID uint64, backends ethbackend.Backends) (*bindings.OmniPortal, error) { | ||
| backend, err := backends.Backend(chainID) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| addrs, err := contracts.GetAddresses(ctx, networkID) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| contract, err := bindings.NewOmniPortal(addrs.Portal, backend) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return contract, nil | ||
| } | ||
|
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| func getChainPair(chains []netconf.Chain) (netconf.Chain, netconf.Chain) { | ||
| i := rand.IntN(len(chains)) //nolint:gosec // Weak random ok for load tests. | ||
| j := rand.IntN(len(chains)) //nolint:gosec // Weak random ok for load tests. | ||
| for i == j { | ||
| j = rand.IntN(len(chains)) //nolint:gosec // Weak random ok for load tests. | ||
| } | ||
|
|
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| return chains[i], chains[j] | ||
| } |