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fix: use gouroboros tx hash #38

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merged 1 commit into from
Oct 18, 2023
Merged

fix: use gouroboros tx hash #38

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28 changes: 15 additions & 13 deletions api/api.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,17 +3,15 @@ package api
import (
"bytes"
"context"
"encoding/hex"
"fmt"
"io"
"net/http"
"net/http/httptrace"
"time"

"github.com/fxamacker/cbor/v2"
"github.com/blinklabs-io/gouroboros/ledger"
ginzap "github.com/gin-contrib/zap"
"github.com/gin-gonic/gin"
"golang.org/x/crypto/blake2b"

"github.com/blinklabs-io/tx-submit-api-mirror/config"
"github.com/blinklabs-io/tx-submit-api-mirror/logging"
Expand Down Expand Up @@ -66,16 +64,20 @@ func handleSubmitTx(c *gin.Context) {
logger.Errorf("failed to close request body: %s", err)
}
logger.Debugf("transaction dump: %x", rawTx)
// Unwrap transaction and calculate ID
var txUnwrap []cbor.RawMessage
if err := cbor.Unmarshal(rawTx, &txUnwrap); err != nil {
logger.Errorf("failed to unwrap transaction CBOR: %s", err)
c.String(400, fmt.Sprintf("failed to unwrap transaction CBOR: %s", err))
// Determine transaction type (era)
txType, err := ledger.DetermineTransactionType(rawTx)
if err != nil {
logger.Errorf("could not parse transaction to determine type: %s", err)
c.JSON(400, "could not parse transaction to determine type")
return
}
tx, err := ledger.NewTransactionFromCbor(txType, rawTx)
if err != nil {
logger.Errorf("failed to parse transaction CBOR: %s", err)
c.String(400, fmt.Sprintf("failed to parse transaction CBOR: %s", err))
return
}
txId := blake2b.Sum256(txUnwrap[0])
txIdHex := hex.EncodeToString(txId[:])
logger.Debugf("calculated transaction ID %s", txIdHex)
logger.Debugf("transaction ID %s", tx.Hash())
// Send request to each backend
for _, backend := range cfg.Backends {
go func(backend string) {
Expand Down Expand Up @@ -107,12 +109,12 @@ func handleSubmitTx(c *gin.Context) {
}
defer resp.Body.Close()
if resp.StatusCode == 202 {
logger.Infow(fmt.Sprintf("successfully submitted transaction %s to backend %s", txIdHex, backend), "latency", elapsedTime.Seconds(), "connReused", connReused)
logger.Infow(fmt.Sprintf("successfully submitted transaction %s to backend %s", tx.Hash(), backend), "latency", elapsedTime.Seconds(), "connReused", connReused)
} else {
logger.Errorw(fmt.Sprintf("failed to send request to backend %s: got response %d, %s", backend, resp.StatusCode, string(respBody)), "latency", elapsedTime.Seconds(), "connReused", connReused)
}
}(backend)
}
// Return transaction ID
c.String(202, txIdHex)
c.String(202, tx.Hash())
}
6 changes: 4 additions & 2 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -3,26 +3,27 @@ module github.com/blinklabs-io/tx-submit-api-mirror
go 1.20

require (
github.com/fxamacker/cbor/v2 v2.5.0
github.com/blinklabs-io/gouroboros v0.57.0
github.com/gin-contrib/zap v0.2.0
github.com/gin-gonic/gin v1.9.1
github.com/kelseyhightower/envconfig v1.4.0
go.uber.org/zap v1.26.0
golang.org/x/crypto v0.14.0
gopkg.in/yaml.v2 v2.4.0
)

require (
github.com/bytedance/sonic v1.10.0 // indirect
github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d // indirect
github.com/chenzhuoyu/iasm v0.9.0 // indirect
github.com/fxamacker/cbor/v2 v2.5.0 // indirect
github.com/gabriel-vasile/mimetype v1.4.2 // indirect
github.com/gin-contrib/sse v0.1.0 // indirect
github.com/go-playground/locales v0.14.1 // indirect
github.com/go-playground/universal-translator v0.18.1 // indirect
github.com/go-playground/validator/v10 v10.15.3 // indirect
github.com/goccy/go-json v0.10.2 // indirect
github.com/google/go-cmp v0.5.8 // indirect
github.com/jinzhu/copier v0.4.0 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/klauspost/cpuid/v2 v2.2.5 // indirect
github.com/leodido/go-urn v1.2.4 // indirect
Expand All @@ -35,6 +36,7 @@ require (
github.com/x448/float16 v0.8.4 // indirect
go.uber.org/multierr v1.11.0 // indirect
golang.org/x/arch v0.5.0 // indirect
golang.org/x/crypto v0.14.0 // indirect
golang.org/x/net v0.17.0 // indirect
golang.org/x/sys v0.13.0 // indirect
golang.org/x/text v0.13.0 // indirect
Expand Down
4 changes: 4 additions & 0 deletions go.sum
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
github.com/blinklabs-io/gouroboros v0.57.0 h1:k5Y706vvYAGM3bCtEhh6WRHGrvS3S6n1MT9vNLFAe/E=
github.com/blinklabs-io/gouroboros v0.57.0/go.mod h1:D5YJka8EyVmiXNMbRvjH23H9lNMLA4+qSlNNC/j7R0k=
github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
github.com/bytedance/sonic v1.10.0-rc/go.mod h1:ElCzW+ufi8qKqNW0FY314xriJhyJhuoJ3gFZdAHF7NM=
github.com/bytedance/sonic v1.10.0 h1:qtNZduETEIWJVIyDl01BeNxur2rW9OwTQ/yBqFRkKEk=
Expand Down Expand Up @@ -35,6 +37,8 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/jinzhu/copier v0.4.0 h1:w3ciUoD19shMCRargcpm0cm91ytaBhDvuRpz1ODO/U8=
github.com/jinzhu/copier v0.4.0/go.mod h1:DfbEm0FYsaqBcKcFuvmOZb218JkPGtvSHsKg8S8hyyg=
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
github.com/kelseyhightower/envconfig v1.4.0 h1:Im6hONhd3pLkfDFsbRgu68RDNkGF1r3dvMUtDTo2cv8=
Expand Down
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