feat: support for parsing TX reject reason CBOR

Signed-off-by: Chris Gianelloni <[email protected]>

Author: wolf31o2

go.mod

@@ -4,7 +4,7 @@ go 1.18
 
 require (
 	github.com/Bitrue-exchange/libada-go v0.0.1-rc.0.20220817020305-79d8b4c4dd9c
-	github.com/cloudstruct/go-cardano-ledger v0.2.1
+	github.com/cloudstruct/go-cardano-ledger v0.4.0
 	github.com/cloudstruct/go-ouroboros-network v0.16.1
 	github.com/fxamacker/cbor/v2 v2.4.0
 	github.com/gin-contrib/zap v0.0.2

go.sum

@@ -61,8 +61,8 @@ github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWR
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cloudstruct/go-cardano-ledger v0.2.1 h1:J5DAs5GiP4iROwnukEgQhRdSh94cFFGifjnFNnFBSgU=
-github.com/cloudstruct/go-cardano-ledger v0.2.1/go.mod h1:EBB9JG+3nBs3IV0p751yz1468XYkzJce1/A2X+xH8L8=
+github.com/cloudstruct/go-cardano-ledger v0.4.0 h1:4BZvwZSM82r/Bt+W4XHTstJEABg0jXcougcZgDmZBo0=
+github.com/cloudstruct/go-cardano-ledger v0.4.0/go.mod h1:EBB9JG+3nBs3IV0p751yz1468XYkzJce1/A2X+xH8L8=
 github.com/cloudstruct/go-ouroboros-network v0.16.1 h1:iAYviR5keS3/rbAnJp2slXsTcEAE04ut8WDcRYzK6qM=
 github.com/cloudstruct/go-ouroboros-network v0.16.1/go.mod h1:/Rz+GYS+ItV7e5F4rXfZuCVuHa+SkFfaH3zgqjVN3eI=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=

internal/api/api.go

@@ -230,9 +230,8 @@ func handleSubmitTx(c *gin.Context) {
 			if c.GetHeader("Accept") == "application/cbor" {
 				c.Data(400, "application/cbor", reasonCbor)
 			} else {
-				var reason interface{}
-				if err := cbor.Unmarshal(reasonCbor, &reason); err == nil {
-					c.JSON(400, fmt.Sprintf("transaction rejected by node: %v (raw CBOR: %x)", reason, reasonCbor))
+				if reason, err := ledger.NewTxSubmitErrorFromCbor(reasonCbor); err == nil {
+					c.JSON(400, reason)
 				} else {
 					c.JSON(400, fmt.Sprintf("transaction rejected by node, but the 'reason' data could not be parsed (raw CBOR: %x)", reasonCbor))
 				}