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What This is TSS's RPC Caller Service as described in this doc: https://docs.google.com/document/d/1xcX86-w8lwT_60flCuYBK9X9co-108-5X6D9e5epw0U/edit#heading=h.76emp0zcbvdy Why This service is responsible for handling incoming transaction submission requests from clients and calling RPC (for the very first time) to submit those transactions to the network
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| package servicesmocks | ||
|
|
||
| import ( | ||
| "github.com/stellar/wallet-backend/internal/entities" | ||
| "github.com/stellar/wallet-backend/internal/services" | ||
| "github.com/stretchr/testify/mock" | ||
| ) | ||
|
|
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| type RPCServiceMock struct { | ||
| mock.Mock | ||
| } | ||
|
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| var _ services.RPCService = (*RPCServiceMock)(nil) | ||
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| func (r *RPCServiceMock) SendTransaction(transactionXdr string) (entities.RPCSendTransactionResult, error) { | ||
| args := r.Called(transactionXdr) | ||
| return args.Get(0).(entities.RPCSendTransactionResult), args.Error(1) | ||
| } | ||
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| func (r *RPCServiceMock) GetTransaction(transactionHash string) (entities.RPCGetTransactionResult, error) { | ||
| args := r.Called(transactionHash) | ||
| return args.Get(0).(entities.RPCGetTransactionResult), args.Error(1) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package channels | ||
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| import ( | ||
| "context" | ||
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| "github.com/alitto/pond" | ||
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| "github.com/stellar/go/support/log" | ||
| "github.com/stellar/wallet-backend/internal/tss" | ||
| "github.com/stellar/wallet-backend/internal/tss/router" | ||
| "github.com/stellar/wallet-backend/internal/tss/services" | ||
| "github.com/stellar/wallet-backend/internal/tss/store" | ||
| ) | ||
|
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| type RPCCallerChannelConfigs struct { | ||
| TxManager services.TransactionManager | ||
| Router router.Router | ||
| Store store.Store | ||
| MaxBufferSize int | ||
| MaxWorkers int | ||
| } | ||
|
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| type rpcCallerPool struct { | ||
| Pool *pond.WorkerPool | ||
| TxManager services.TransactionManager | ||
| Router router.Router | ||
| Store store.Store | ||
| } | ||
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| var RPCCallerChannelName = "RPCCallerChannel" | ||
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| var _ tss.Channel = (*rpcCallerPool)(nil) | ||
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| func NewRPCCallerChannel(cfg RPCCallerChannelConfigs) *rpcCallerPool { | ||
| pool := pond.New(cfg.MaxBufferSize, cfg.MaxWorkers, pond.Strategy(pond.Balanced())) | ||
| return &rpcCallerPool{ | ||
| Pool: pool, | ||
| TxManager: cfg.TxManager, | ||
| Store: cfg.Store, | ||
| Router: cfg.Router, | ||
| } | ||
|
|
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| } | ||
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| func (p *rpcCallerPool) Send(payload tss.Payload) { | ||
| p.Pool.Submit(func() { | ||
| p.Receive(payload) | ||
| }) | ||
| } | ||
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| func (p *rpcCallerPool) Receive(payload tss.Payload) { | ||
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| ctx := context.Background() | ||
| // Create a new transaction record in the transactions table. | ||
| err := p.Store.UpsertTransaction(ctx, payload.WebhookURL, payload.TransactionHash, payload.TransactionXDR, tss.RPCTXStatus{OtherStatus: tss.NewStatus}) | ||
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| if err != nil { | ||
| log.Errorf("%s: unable to upsert transaction into transactions table: %e", RPCCallerChannelName, err) | ||
| return | ||
| } | ||
| rpcSendResp, err := p.TxManager.BuildAndSubmitTransaction(ctx, RPCCallerChannelName, payload) | ||
|
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| if err != nil { | ||
| log.Errorf("%s: unable to sign and submit transaction: %e", RPCCallerChannelName, err) | ||
| return | ||
| } | ||
| payload.RpcSubmitTxResponse = rpcSendResp | ||
| err = p.Router.Route(payload) | ||
| if err != nil { | ||
| log.Errorf("%s: unable to route payload: %e", RPCCallerChannelName, err) | ||
| } | ||
| } | ||
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| func (p *rpcCallerPool) SetRouter(router router.Router) { | ||
| p.Router = router | ||
| } | ||
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| func (p *rpcCallerPool) Stop() { | ||
| p.Pool.StopAndWait() | ||
| } |
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