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jkawanJenita
jkawan
and
Jenita
authored
feat(certs): Implemented Utxorpc() for Conway governance certs (#1006)
Signed-off-by: Jenita <[email protected]> Signed-off-by: Jenita <[email protected]> Co-authored-by: Jenita <[email protected]>
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‎ledger/common/certs.go‎

Lines changed: 173 additions & 24 deletions
Original file line numberDiff line numberDiff line change
@@ -610,8 +610,13 @@ func (c *RegistrationCertificate) UnmarshalCBOR(
610610
}
611611

612612
func (c *RegistrationCertificate) Utxorpc() *utxorpc.Certificate {
613-
// TODO (#850)
614-
return nil
613+
return &utxorpc.Certificate{
614+
Certificate: &utxorpc.Certificate_RegCert{
615+
RegCert: &utxorpc.RegCert{
616+
StakeCredential: c.StakeCredential.Utxorpc(),
617+
},
618+
},
619+
}
615620
}
616621

617622
func (c *RegistrationCertificate) Type() uint {
@@ -642,8 +647,13 @@ func (c *DeregistrationCertificate) UnmarshalCBOR(
642647
}
643648

644649
func (c *DeregistrationCertificate) Utxorpc() *utxorpc.Certificate {
645-
// TODO (#850)
646-
return nil
650+
return &utxorpc.Certificate{
651+
Certificate: &utxorpc.Certificate_UnregCert{
652+
UnregCert: &utxorpc.UnRegCert{
653+
StakeCredential: c.StakeCredential.Utxorpc(),
654+
},
655+
},
656+
}
647657
}
648658

649659
func (c *DeregistrationCertificate) Type() uint {
@@ -674,8 +684,14 @@ func (c *VoteDelegationCertificate) UnmarshalCBOR(
674684
}
675685

676686
func (c *VoteDelegationCertificate) Utxorpc() *utxorpc.Certificate {
677-
// TODO (#850)
678-
return nil
687+
return &utxorpc.Certificate{
688+
Certificate: &utxorpc.Certificate_VoteDelegCert{
689+
VoteDelegCert: &utxorpc.VoteDelegCert{
690+
StakeCredential: c.StakeCredential.Utxorpc(),
691+
Drep: c.Drep.Utxorpc(),
692+
},
693+
},
694+
}
679695
}
680696

681697
func (c *VoteDelegationCertificate) Type() uint {
@@ -707,8 +723,35 @@ func (c *StakeVoteDelegationCertificate) UnmarshalCBOR(
707723
}
708724

709725
func (c *StakeVoteDelegationCertificate) Utxorpc() *utxorpc.Certificate {
710-
// TODO (#850)
711-
return nil
726+
drepProto := c.Drep.Utxorpc()
727+
var drepBytes []byte
728+
729+
// Extract DRep credential if it exists (AddrKeyHash or ScriptHash)
730+
if drepProto != nil {
731+
switch v := drepProto.GetDrep().(type) {
732+
case *utxorpc.DRep_AddrKeyHash:
733+
drepBytes = v.AddrKeyHash
734+
case *utxorpc.DRep_ScriptHash:
735+
drepBytes = v.ScriptHash
736+
}
737+
}
738+
739+
// Encode both PoolKeyHash and DRep in PoolKeyhash field
740+
// Format: [1-byte type][poolKeyHash][drepBytes]
741+
encodedKey := make([]byte, 0, 1+len(c.PoolKeyHash)+len(drepBytes))
742+
encodedKey = append(encodedKey, byte(0x01)) // Version byte
743+
encodedKey = append(encodedKey, c.PoolKeyHash...)
744+
encodedKey = append(encodedKey, drepBytes...)
745+
746+
return &utxorpc.Certificate{
747+
Certificate: &utxorpc.Certificate_StakeVoteDelegCert{
748+
StakeVoteDelegCert: &utxorpc.StakeVoteDelegCert{
749+
StakeCredential: c.StakeCredential.Utxorpc(),
750+
PoolKeyhash: encodedKey,
751+
Drep: c.Drep.Utxorpc(),
752+
},
753+
},
754+
}
712755
}
713756

714757
func (c *StakeVoteDelegationCertificate) Type() uint {
@@ -740,8 +783,14 @@ func (c *StakeRegistrationDelegationCertificate) UnmarshalCBOR(
740783
}
741784

742785
func (c *StakeRegistrationDelegationCertificate) Utxorpc() *utxorpc.Certificate {
743-
// TODO (#850)
744-
return nil
786+
return &utxorpc.Certificate{
787+
Certificate: &utxorpc.Certificate_StakeVoteDelegCert{
788+
StakeVoteDelegCert: &utxorpc.StakeVoteDelegCert{
789+
StakeCredential: c.StakeCredential.Utxorpc(),
790+
PoolKeyhash: c.PoolKeyHash,
791+
},
792+
},
793+
}
745794
}
746795

747796
func (c *StakeRegistrationDelegationCertificate) Type() uint {
@@ -773,8 +822,14 @@ func (c *VoteRegistrationDelegationCertificate) UnmarshalCBOR(
773822
}
774823

775824
func (c *VoteRegistrationDelegationCertificate) Utxorpc() *utxorpc.Certificate {
776-
// TODO (#850)
777-
return nil
825+
return &utxorpc.Certificate{
826+
Certificate: &utxorpc.Certificate_VoteRegDelegCert{
827+
VoteRegDelegCert: &utxorpc.VoteRegDelegCert{
828+
StakeCredential: c.StakeCredential.Utxorpc(),
829+
Drep: c.Drep.Utxorpc(),
830+
},
831+
},
832+
}
778833
}
779834

780835
func (c *VoteRegistrationDelegationCertificate) Type() uint {
@@ -807,8 +862,27 @@ func (c *StakeVoteRegistrationDelegationCertificate) UnmarshalCBOR(
807862
}
808863

809864
func (c *StakeVoteRegistrationDelegationCertificate) Utxorpc() *utxorpc.Certificate {
810-
// TODO (#850)
811-
return nil
865+
drepProto := c.Drep.Utxorpc()
866+
var drepBytes []byte
867+
868+
if drepProto != nil {
869+
switch v := drepProto.GetDrep().(type) {
870+
case *utxorpc.DRep_AddrKeyHash:
871+
drepBytes = v.AddrKeyHash
872+
case *utxorpc.DRep_ScriptHash:
873+
drepBytes = v.ScriptHash
874+
}
875+
}
876+
877+
return &utxorpc.Certificate{
878+
Certificate: &utxorpc.Certificate_StakeVoteRegDelegCert{
879+
StakeVoteRegDelegCert: &utxorpc.StakeVoteRegDelegCert{
880+
StakeCredential: c.StakeCredential.Utxorpc(),
881+
PoolKeyhash: drepBytes,
882+
Drep: c.Drep.Utxorpc(),
883+
},
884+
},
885+
}
812886
}
813887

814888
func (c *StakeVoteRegistrationDelegationCertificate) Type() uint {
@@ -839,8 +913,14 @@ func (c *AuthCommitteeHotCertificate) UnmarshalCBOR(
839913
}
840914

841915
func (c *AuthCommitteeHotCertificate) Utxorpc() *utxorpc.Certificate {
842-
// TODO (#850)
843-
return nil
916+
return &utxorpc.Certificate{
917+
Certificate: &utxorpc.Certificate_AuthCommitteeHotCert{
918+
AuthCommitteeHotCert: &utxorpc.AuthCommitteeHotCert{
919+
CommitteeColdCredential: c.ColdCredential.Utxorpc(),
920+
CommitteeHotCredential: c.HostCredential.Utxorpc(),
921+
},
922+
},
923+
}
844924
}
845925

846926
func (c *AuthCommitteeHotCertificate) Type() uint {
@@ -871,8 +951,21 @@ func (c *ResignCommitteeColdCertificate) UnmarshalCBOR(
871951
}
872952

873953
func (c *ResignCommitteeColdCertificate) Utxorpc() *utxorpc.Certificate {
874-
// TODO (#850)
875-
return nil
954+
var anchor *utxorpc.Anchor
955+
if c.Anchor != nil {
956+
anchor = &utxorpc.Anchor{
957+
Url: c.Anchor.Url,
958+
ContentHash: c.Anchor.DataHash[:],
959+
}
960+
}
961+
return &utxorpc.Certificate{
962+
Certificate: &utxorpc.Certificate_ResignCommitteeColdCert{
963+
ResignCommitteeColdCert: &utxorpc.ResignCommitteeColdCert{
964+
CommitteeColdCredential: c.ColdCredential.Utxorpc(),
965+
Anchor: anchor,
966+
},
967+
},
968+
}
876969
}
877970

878971
func (c *ResignCommitteeColdCertificate) Type() uint {
@@ -904,8 +997,22 @@ func (c *RegistrationDrepCertificate) UnmarshalCBOR(
904997
}
905998

906999
func (c *RegistrationDrepCertificate) Utxorpc() *utxorpc.Certificate {
907-
// TODO (#850)
908-
return nil
1000+
// Handle anchor data if present
1001+
var anchor *utxorpc.Anchor
1002+
if c.Anchor != nil {
1003+
anchor = &utxorpc.Anchor{
1004+
Url: c.Anchor.Url,
1005+
ContentHash: c.Anchor.DataHash[:],
1006+
}
1007+
}
1008+
return &utxorpc.Certificate{
1009+
Certificate: &utxorpc.Certificate_RegDrepCert{
1010+
RegDrepCert: &utxorpc.RegDRepCert{
1011+
DrepCredential: c.DrepCredential.Utxorpc(),
1012+
Anchor: anchor,
1013+
},
1014+
},
1015+
}
9091016
}
9101017

9111018
func (c *RegistrationDrepCertificate) Type() uint {
@@ -936,8 +1043,13 @@ func (c *DeregistrationDrepCertificate) UnmarshalCBOR(
9361043
}
9371044

9381045
func (c *DeregistrationDrepCertificate) Utxorpc() *utxorpc.Certificate {
939-
// TODO (#850)
940-
return nil
1046+
return &utxorpc.Certificate{
1047+
Certificate: &utxorpc.Certificate_UnregDrepCert{
1048+
UnregDrepCert: &utxorpc.UnRegDRepCert{
1049+
DrepCredential: c.DrepCredential.Utxorpc(),
1050+
},
1051+
},
1052+
}
9411053
}
9421054

9431055
func (c *DeregistrationDrepCertificate) Type() uint {
@@ -968,10 +1080,47 @@ func (c *UpdateDrepCertificate) UnmarshalCBOR(
9681080
}
9691081

9701082
func (c *UpdateDrepCertificate) Utxorpc() *utxorpc.Certificate {
971-
// TODO (#850)
972-
return nil
1083+
var anchor *utxorpc.Anchor
1084+
if c.Anchor != nil {
1085+
anchor = &utxorpc.Anchor{
1086+
Url: c.Anchor.Url,
1087+
ContentHash: c.Anchor.DataHash[:],
1088+
}
1089+
}
1090+
return &utxorpc.Certificate{
1091+
Certificate: &utxorpc.Certificate_UpdateDrepCert{
1092+
UpdateDrepCert: &utxorpc.UpdateDRepCert{
1093+
DrepCredential: c.DrepCredential.Utxorpc(),
1094+
Anchor: anchor,
1095+
},
1096+
},
1097+
}
9731098
}
9741099

9751100
func (c *UpdateDrepCertificate) Type() uint {
9761101
return c.CertType
9771102
}
1103+
1104+
// DRep implementation
1105+
func (d *Drep) Utxorpc() *utxorpc.DRep {
1106+
switch d.Type {
1107+
case DrepTypeAddrKeyHash:
1108+
return &utxorpc.DRep{
1109+
Drep: &utxorpc.DRep_AddrKeyHash{AddrKeyHash: d.Credential},
1110+
}
1111+
case DrepTypeScriptHash:
1112+
return &utxorpc.DRep{
1113+
Drep: &utxorpc.DRep_ScriptHash{ScriptHash: d.Credential},
1114+
}
1115+
case DrepTypeAbstain:
1116+
return &utxorpc.DRep{
1117+
Drep: &utxorpc.DRep_Abstain{Abstain: true},
1118+
}
1119+
case DrepTypeNoConfidence:
1120+
return &utxorpc.DRep{
1121+
Drep: &utxorpc.DRep_NoConfidence{NoConfidence: true},
1122+
}
1123+
default:
1124+
return nil
1125+
}
1126+
}

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