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feat(certs): Implemented Utxorpc() for Conway governance certs #1006

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Merged
merged 6 commits into from
May 17, 2025
Merged

feat(certs): Implemented Utxorpc() for Conway governance certs #1006

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28f231e
feat(certs): implemented Utxorpc() for Conway governance certs
May 5, 2025
f1afa41
feat(certs): implemented Utxorpc() for Conway governance certs
May 5, 2025
76f6288
feat(certs): implemented Utxorpc() for Conway governance certs
May 5, 2025
8a06d7e
feat(certs): implemented Utxorpc() for Conway governance certs
May 16, 2025
c8c46ad
feat(certs): implemented Utxorpc() for Conway governance certs
May 16, 2025
e884502
feat(certs): implemented Utxorpc() for Conway governance certs
May 17, 2025
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197 changes: 173 additions & 24 deletions ledger/common/certs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -610,8 +610,13 @@ func (c *RegistrationCertificate) UnmarshalCBOR(
}

func (c *RegistrationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_RegCert{
RegCert: &utxorpc.RegCert{
StakeCredential: c.StakeCredential.Utxorpc(),
},
},
}
}

func (c *RegistrationCertificate) Type() uint {
Expand Down Expand Up @@ -642,8 +647,13 @@ func (c *DeregistrationCertificate) UnmarshalCBOR(
}

func (c *DeregistrationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_UnregCert{
UnregCert: &utxorpc.UnRegCert{
StakeCredential: c.StakeCredential.Utxorpc(),
},
},
}
}

func (c *DeregistrationCertificate) Type() uint {
Expand Down Expand Up @@ -674,8 +684,14 @@ func (c *VoteDelegationCertificate) UnmarshalCBOR(
}

func (c *VoteDelegationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_VoteDelegCert{
VoteDelegCert: &utxorpc.VoteDelegCert{
StakeCredential: c.StakeCredential.Utxorpc(),
Drep: c.Drep.Utxorpc(),
},
},
}
}

func (c *VoteDelegationCertificate) Type() uint {
Expand Down Expand Up @@ -707,8 +723,35 @@ func (c *StakeVoteDelegationCertificate) UnmarshalCBOR(
}

func (c *StakeVoteDelegationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
drepProto := c.Drep.Utxorpc()
var drepBytes []byte

// Extract DRep credential if it exists (AddrKeyHash or ScriptHash)
if drepProto != nil {
switch v := drepProto.GetDrep().(type) {
case *utxorpc.DRep_AddrKeyHash:
drepBytes = v.AddrKeyHash
case *utxorpc.DRep_ScriptHash:
drepBytes = v.ScriptHash
}
}

// Encode both PoolKeyHash and DRep in PoolKeyhash field
// Format: [1-byte type][poolKeyHash][drepBytes]
encodedKey := make([]byte, 0, 1+len(c.PoolKeyHash)+len(drepBytes))
encodedKey = append(encodedKey, byte(0x01)) // Version byte
encodedKey = append(encodedKey, c.PoolKeyHash...)
encodedKey = append(encodedKey, drepBytes...)

return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeVoteDelegCert{
StakeVoteDelegCert: &utxorpc.StakeVoteDelegCert{
StakeCredential: c.StakeCredential.Utxorpc(),
PoolKeyhash: encodedKey,
Drep: c.Drep.Utxorpc(),
},
},
}
}

func (c *StakeVoteDelegationCertificate) Type() uint {
Expand Down Expand Up @@ -740,8 +783,14 @@ func (c *StakeRegistrationDelegationCertificate) UnmarshalCBOR(
}

func (c *StakeRegistrationDelegationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeVoteDelegCert{
StakeVoteDelegCert: &utxorpc.StakeVoteDelegCert{
StakeCredential: c.StakeCredential.Utxorpc(),
PoolKeyhash: c.PoolKeyHash,
},
},
}
}

func (c *StakeRegistrationDelegationCertificate) Type() uint {
Expand Down Expand Up @@ -773,8 +822,14 @@ func (c *VoteRegistrationDelegationCertificate) UnmarshalCBOR(
}

func (c *VoteRegistrationDelegationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_VoteRegDelegCert{
VoteRegDelegCert: &utxorpc.VoteRegDelegCert{
StakeCredential: c.StakeCredential.Utxorpc(),
Drep: c.Drep.Utxorpc(),
},
},
}
}

func (c *VoteRegistrationDelegationCertificate) Type() uint {
Expand Down Expand Up @@ -807,8 +862,27 @@ func (c *StakeVoteRegistrationDelegationCertificate) UnmarshalCBOR(
}

func (c *StakeVoteRegistrationDelegationCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
drepProto := c.Drep.Utxorpc()
var drepBytes []byte

if drepProto != nil {
switch v := drepProto.GetDrep().(type) {
case *utxorpc.DRep_AddrKeyHash:
drepBytes = v.AddrKeyHash
case *utxorpc.DRep_ScriptHash:
drepBytes = v.ScriptHash
}
}

return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_StakeVoteRegDelegCert{
StakeVoteRegDelegCert: &utxorpc.StakeVoteRegDelegCert{
StakeCredential: c.StakeCredential.Utxorpc(),
PoolKeyhash: drepBytes,
Drep: c.Drep.Utxorpc(),
},
},
}
}

func (c *StakeVoteRegistrationDelegationCertificate) Type() uint {
Expand Down Expand Up @@ -839,8 +913,14 @@ func (c *AuthCommitteeHotCertificate) UnmarshalCBOR(
}

func (c *AuthCommitteeHotCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_AuthCommitteeHotCert{
AuthCommitteeHotCert: &utxorpc.AuthCommitteeHotCert{
CommitteeColdCredential: c.ColdCredential.Utxorpc(),
CommitteeHotCredential: c.HostCredential.Utxorpc(),
},
},
}
}

func (c *AuthCommitteeHotCertificate) Type() uint {
Expand Down Expand Up @@ -871,8 +951,21 @@ func (c *ResignCommitteeColdCertificate) UnmarshalCBOR(
}

func (c *ResignCommitteeColdCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
var anchor *utxorpc.Anchor
if c.Anchor != nil {
anchor = &utxorpc.Anchor{
Url: c.Anchor.Url,
ContentHash: c.Anchor.DataHash[:],
}
}
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_ResignCommitteeColdCert{
ResignCommitteeColdCert: &utxorpc.ResignCommitteeColdCert{
CommitteeColdCredential: c.ColdCredential.Utxorpc(),
Anchor: anchor,
},
},
}
}

func (c *ResignCommitteeColdCertificate) Type() uint {
Expand Down Expand Up @@ -904,8 +997,22 @@ func (c *RegistrationDrepCertificate) UnmarshalCBOR(
}

func (c *RegistrationDrepCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
// Handle anchor data if present
var anchor *utxorpc.Anchor
if c.Anchor != nil {
anchor = &utxorpc.Anchor{
Url: c.Anchor.Url,
ContentHash: c.Anchor.DataHash[:],
}
}
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_RegDrepCert{
RegDrepCert: &utxorpc.RegDRepCert{
DrepCredential: c.DrepCredential.Utxorpc(),
Anchor: anchor,
},
},
}
}

func (c *RegistrationDrepCertificate) Type() uint {
Expand Down Expand Up @@ -936,8 +1043,13 @@ func (c *DeregistrationDrepCertificate) UnmarshalCBOR(
}

func (c *DeregistrationDrepCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_UnregDrepCert{
UnregDrepCert: &utxorpc.UnRegDRepCert{
DrepCredential: c.DrepCredential.Utxorpc(),
},
},
}
}

func (c *DeregistrationDrepCertificate) Type() uint {
Expand Down Expand Up @@ -968,10 +1080,47 @@ func (c *UpdateDrepCertificate) UnmarshalCBOR(
}

func (c *UpdateDrepCertificate) Utxorpc() *utxorpc.Certificate {
// TODO (#850)
return nil
var anchor *utxorpc.Anchor
if c.Anchor != nil {
anchor = &utxorpc.Anchor{
Url: c.Anchor.Url,
ContentHash: c.Anchor.DataHash[:],
}
}
return &utxorpc.Certificate{
Certificate: &utxorpc.Certificate_UpdateDrepCert{
UpdateDrepCert: &utxorpc.UpdateDRepCert{
DrepCredential: c.DrepCredential.Utxorpc(),
Anchor: anchor,
},
},
}
}

func (c *UpdateDrepCertificate) Type() uint {
return c.CertType
}

// DRep implementation
func (d *Drep) Utxorpc() *utxorpc.DRep {
switch d.Type {
case DrepTypeAddrKeyHash:
return &utxorpc.DRep{
Drep: &utxorpc.DRep_AddrKeyHash{AddrKeyHash: d.Credential},
}
case DrepTypeScriptHash:
return &utxorpc.DRep{
Drep: &utxorpc.DRep_ScriptHash{ScriptHash: d.Credential},
}
case DrepTypeAbstain:
return &utxorpc.DRep{
Drep: &utxorpc.DRep_Abstain{Abstain: true},
}
case DrepTypeNoConfidence:
return &utxorpc.DRep{
Drep: &utxorpc.DRep_NoConfidence{NoConfidence: true},
}
default:
return nil
}
}
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